Best PC Power Supply Cord: 7 Reliable Cables for Your PC

A reliable PC power supply cord connects your desktop computer to a grounded electrical outlet, helping deliver stable AC power to the power supply unit. Whether you’re replacing a damaged cable, setting up a gaming PC, or organizing a workstation, choosing the correct connector, wire gauge, amperage rating, and length is essential for safe operation.

Quick Verdict: Best PC Power Supply Cords

For most desktop computers in the United States, a grounded NEMA 5-15P to IEC C13 power cord is the standard replacement. The important factors are safety certification, electrical ratings, cable length, and correct PSU inlet compatibility.

Our seven recommendations cover typical desks, cramped spaces, long cable runs, and heavier-duty systems.

Best Overall: StarTech.com PXT101. A versatile six-foot, 18 AWG AC power cord rated for 10A at 125V, with UL listing and molded strain relief.

Best Everyday Replacement: Eaton Tripp Lite P006-006. A six-foot, three-conductor cable with an SJT jacket and documented safety certification.

Best for Tight Spaces: Eaton Tripp Lite P006-006-13RA. Its right-angle C13 connector helps when the rear of a desktop PC is close to a wall.

Best Short Cable: Eaton Tripp Lite P006-003. A three-foot power cord for nearby grounded outlets and shorter cable runs.

Best Long Cable: StarTech.com PXT10112. A 12-foot replacement cable suitable for workstation layouts where a standard six-foot cord cannot reach.

Best for Compact Cable Routing: StarTech.com PXTR1016. A six-foot cable with a right-angle wall plug and straight C13 device connector.

Best Heavy-Duty Alternative: IronBox Electric 14/3 SJT Power Cord. A 14 AWG, three-conductor cable intended for buyers who need a higher-rated cord and have confirmed the exact selected variant’s electrical specifications.

Quick Comparison Table

How We Selected These PC Power Supply Cords

We prioritized identifiable AC power cables with documented connector arrangements and electrical specifications. The main criteria were conductor size, stated voltage and current ratings, connector construction, cable length, and any documented safety certification.

We also considered practical compatibility. Most desktop PSUs with a standard IEC C14 inlet can accept an appropriately rated IEC C13 cord, but some high-power systems use different connectors.

These selections concern external AC power cables, not internal modular PSU cables. They are not interchangeable. Internal modular cables must be specifically compatible with the PSU manufacturer and model; mixing them can damage connected components.

7 Best PC Power Supply Cords Reviewed

1. StarTech.com PXT101 — Best Overall PC Power Supply Cord

Best For: Gaming desktops, office PCs, workstations, and standard computer power cable replacement.

Why We Picked It

The StarTech.com PXT101 offers a balanced combination of common connector compatibility, practical length, copper conductors, and documented electrical safety specifications.

Its six-foot length is sufficient for many desk arrangements without creating excessive cable clutter.

Key Specifications

Features and Benefits

The PXT101 connects a grounded North American wall outlet to a standard IEC C14 computer power inlet.

Its three-conductor design includes a protective ground connection, an important safety feature for compatible grounded desktop equipment.

StarTech specifies 100% copper conductors, molded connector strain relief, and a VW-1 flame rating.

These are useful characteristics for a replacement power cord because cable flexibility, insulation quality, and connector integrity matter during everyday handling.

Performance and Practical Use

This cable is suitable for a broad range of desktop computers, monitors, and other compatible equipment drawing within its 10A rating.

For a typical office PC or mainstream gaming desktop, it provides a straightforward replacement when the original cable is missing or damaged.

It should not be chosen solely because a computer has a powerful GPU. Check the maximum AC input current stated on the PSU label and confirm that the cable rating is sufficient.

What Makes It Different

The PXT101 is supported by detailed manufacturer specifications covering cable construction, connector types, electrical limits, and safety listing.

That documentation makes it easier to verify suitability than with generic replacement cords that provide incomplete electrical information.

Pros

• Documented UL listing.

• Molded connectors with strain relief.

• Three copper conductors.

• Practical six-foot length.

• Standard desktop PSU compatibility.

Cons

• Not suitable for electrical loads exceeding its rating.

• Straight connectors require space behind the PC and wall outlet.

• Intended for North American NEMA 5-15 power connections.

Buy If: You want a well-documented replacement power cord for a standard desktop PC.

Skip If: You need a longer cable, angled connection, or higher current rating.

2. Eaton Tripp Lite P006-006 — Best Everyday Replacement Cord

Best For: Home computers, office desktops, monitors, and equipment using a standard IEC C14 power inlet.

Why We Picked It

The Eaton Tripp Lite P006-006 provides a conventional six-foot NEMA 5-15P to IEC C13 connection, with 18 AWG conductors, a durable SJT cable jacket, and recognized safety listing.

Key Specifications

Features and Benefits

The P006-006 uses a conventional computer power connector arrangement compatible with many desktop power supply units.

Its SJT-rated jacket provides a flexible service cord suitable for ordinary indoor equipment connections.

Fully molded ends help reinforce the connection between the cable and plugs, reducing stress at the areas commonly handled during installation or removal.

The six-foot length is useful for computers positioned below a desk or beside a workstation.

Performance and Practical Use

This cord is a straightforward choice for replacing a lost or worn desktop computer cable.

It is also compatible with many monitors, printers, and UPS-connected devices that use a standard IEC C14 inlet, provided their electrical requirements match.

For a gaming computer, the important distinction is the AC input requirement rather than the PSU’s advertised DC wattage alone.

A desktop with an 850W PSU does not continuously consume 850 watts; its actual AC input changes with system load and efficiency.

What Makes It Different

The P006-006 provides established manufacturer documentation and an ordinary straight-connector design without unnecessary features.

Pros

• Standard six-foot length.

• Documented 10A, 125V rating.

• UL and cUL listed.

• SJT cable construction.

• Molded connector ends.

Cons

• No right-angle connector.

• Limited to its 10A rated current.

• Longer than necessary for tightly arranged equipment racks.

Buy If: You need a conventional replacement power cord for a compatible desktop or monitor.

Skip If: The rear of your computer has very limited clearance or you need a short cable.

3. Eaton Tripp Lite P006-006-13RA — Best for Tight PC Clearance

Best For: Desktop computers positioned close to walls or the back of a desk.

Why We Picked It

The P006-006-13RA uses a right-angle IEC C13 connector on the computer end, helping reduce the clearance required for a traditional straight power cable.

Key Specifications

Features and Benefits

The angled C13 connector changes the direction in which the cable leaves the computer.

This can be useful when a desktop tower sits near a wall, cabinet, or rear desk panel.

A straight connector may require additional clearance because the cable extends directly outward before bending.

The right-angle design may provide more convenient routing without forcing the cable into a tight bend.

Performance and Practical Use

The P006-006-13RA is particularly relevant for compact gaming setups and desks where the computer’s rear panel faces an obstruction.

However, right-angle connectors have a fixed orientation.

Before purchasing, check whether the direction of the cable would block the PSU switch, neighboring connectors, ventilation openings, or part of the computer case.

Electrical compatibility is otherwise similar to that of a conventional 10A C13 power cable.

What Makes It Different

Its angled device-side connector is the defining advantage.

Rather than changing power delivery performance, it changes the cable’s physical routing.

Pros

• Space-saving right-angle connector.

• Six-foot length.

• Standard grounded plug.

• Suitable for many conventional PC PSUs.

Cons

• Fixed connector orientation.

• May obstruct nearby switches or connectors.

• Does not provide a higher current rating than standard 10A alternatives.

Buy If: Your desktop computer needs reduced rear clearance.

Skip If: The angled connector would interfere with the PSU layout.

4. Eaton Tripp Lite P006-003 — Best Short PC Power Supply Cord

Best For: Compact workstations, desktop computers placed near power outlets, and users who want minimal cable clutter.

Why We Picked It

The Eaton Tripp Lite P006-003 offers a three-foot cable length instead of the more common six-foot design. It is particularly useful for desktop computers positioned near grounded outlets or compatible UPS systems.

Key Specifications

Features and Benefits

The main advantage of this cable is its shorter length. When a desktop sits close to an electrical outlet, extra cable can create unnecessary loops behind the computer.

The P006-003 reduces this issue while retaining the familiar grounded connector design used by many desktop power supplies.

Its 18 AWG conductors are rated for a maximum of 10A in this assembly, making it suitable for compatible office computers, monitors, and many mainstream gaming desktops.

The cable features molded connectors and a PVC jacket, with manufacturer-documented UL and cUL listings.

Performance and Practical Use

A three-foot cord is useful for computers connected to a UPS located directly beside the tower.

It can also work well in compact home offices where the computer and outlet are positioned close together.

However, short cables require careful measurement. The cord must reach without stretching, pulling against the PSU connector, or placing stress on the power outlet.

What Makes It Different

Unlike a typical six-foot replacement cable, the P006-003 prioritizes tidy cable management.

Its compact length is especially helpful in permanent workstation arrangements where the computer rarely moves.

Pros

• Short three-foot length minimizes excess cable.

• Standard NEMA 5-15P to IEC C13 connectors.

• UL and cUL listed.

• Molded connector construction.

• Suitable for compatible UPS connections.

Cons

• Limited reach.

• Not ideal for height-adjustable desks.

• May require replacement if the computer is repositioned.

Buy If: Your desktop PC sits close to a compatible power source and you want reduced cable clutter.

Skip If: Your computer is positioned far from an outlet or needs additional cable slack.

5. StarTech.com PXT10112 — Best Long PC Power Supply Cord

Best For: Large desks, gaming setups with distant wall outlets, and workstations requiring longer cable runs.

Why We Picked It

The StarTech.com PXT10112 provides a 12-foot cable length while retaining the standard NEMA 5-15P to IEC C13 connector arrangement.

Key Specifications

Features and Benefits

A longer power cord provides greater flexibility when setting up a desktop computer.

This can be particularly useful for users with large gaming desks, corner workstations, or computers located several feet away from the wall outlet.

The PXT10112 uses a grounded three-conductor design and molded connectors.

Its 18 AWG construction is appropriate for equipment operating within the cable’s documented 10A rating.

The manufacturer also specifies a VW-1 flame rating.

Performance and Practical Use

The PXT10112 is useful when a six-foot cord cannot comfortably reach the intended power source.

For example, a desktop positioned on the opposite side of a large workstation may require a longer cable to follow a safe route around desk supports.

A longer cable does introduce additional electrical resistance compared with a shorter cable of the same gauge, although the practical effect depends on current and cable construction.

Users should avoid tightly coiling excess cable, routing it through doorways where it could be damaged, or placing it beneath furniture that compresses the insulation.

What Makes It Different

The 12-foot reach is its primary advantage.

Instead of connecting multiple short cords, users can employ one appropriately rated cable that reaches directly between the computer and power source.

Pros

• Generous 12-foot length.

• Standard desktop computer connectors.

• UL-listed construction.

• Three copper conductors.

• Molded strain relief.

Cons

• Extra length can create cable clutter.

• Requires more careful routing.

• Not rated for loads above 10A.

Buy If: You need a longer direct connection between your PC and a compatible grounded outlet.

Skip If: A three- or six-foot cable already provides sufficient reach.

6. StarTech.com PXTR1016 — Best Right-Angle Wall Plug

Best For: Crowded wall outlets, outlets behind furniture, and workstations with restricted plug clearance.

Why We Picked It

The StarTech.com PXTR1016 uses a right-angle NEMA 5-15P wall plug with a straight IEC C13 connector on the computer end.

This arrangement differs from cables with an angled PC-side connector and solves a different physical clearance problem.

Key Specifications

Features and Benefits

The right-angle wall plug redirects the cable close to the outlet rather than extending outward in the same way as a conventional straight plug.

This can be helpful when an electrical outlet sits behind a desk or nearby furniture.

The design may also allow better access to an adjacent receptacle, depending on outlet orientation and the size of any neighboring plugs.

The PC-side C13 connector remains straight, making it suitable for computers with enough rear clearance.

Performance and Practical Use

The PXTR1016 is especially useful for home offices where furniture sits close to a wall.

It can also reduce the likelihood of a cable protruding into a narrow space behind a workstation.

However, the fixed orientation of the angled plug matters. Depending on the outlet arrangement, the cable may extend in an inconvenient direction.

The cable does not inherently provide better power quality than a standard cord. Its advantage is physical routing.

What Makes It Different

Unlike the Eaton Tripp Lite P006-006-13RA, which angles the connector at the computer, the PXTR1016 angles the wall plug.

The choice depends on where clearance is limited.

Pros

• Right-angle grounded wall connector.

• Standard IEC C13 PC connector.

• Six-foot length.

• UL-listed construction.

• Useful behind desks and furniture.

Cons

• Fixed plug direction.

• Straight PC-side connector.

• No electrical capacity advantage over ordinary 10A cables.

Buy If: The power outlet is close to furniture and a straight plug would protrude excessively.

Skip If: The clearance problem is behind the computer rather than at the wall.

7. IronBox Electric 14/3 SJT Power Cord — Best Heavy-Duty Alternative

Best For: Buyers who need a heavier-gauge AC cable for compatible equipment with higher current requirements.

Why We Picked It

The IronBox Electric 5-15P to C13 power cord is available in a 14/3 SJT configuration rated for 15A at 125V. This provides a higher nominal current rating than the 10A cables reviewed above, although the connected PSU inlet must also support the intended load.

Key Specifications

Features and Benefits

The primary distinction is conductor size.

In American Wire Gauge terminology, a lower AWG number generally means a thicker conductor. A 14 AWG conductor has a larger cross-sectional area than an 18 AWG conductor.

All else being equal, thicker conductors have lower electrical resistance and can reduce voltage drop over a given cable length.

However, wire thickness alone does not establish the electrical rating of the complete cord assembly.

Connector ratings, construction, certification, operating conditions, and applicable electrical requirements also matter.

Performance and Practical Use

This cable is worth considering when a compatible system requires a higher-rated external AC connection.

It should not be purchased simply because a gaming PC has a powerful graphics card or an enthusiast PSU.

For a standard PSU using an IEC C14 inlet, the inlet rating and complete equipment requirements must be checked carefully.

In particular, a cord advertised as 15A does not increase the rating of a 10A device inlet or permit the computer to draw more power than its electrical components allow.

Heavy-duty cords can also be thicker and less flexible, which may complicate cable routing behind compact desks.

What Makes It Different

Its 14 AWG conductor size distinguishes it from the conventional 18 AWG models in this roundup.

For buyers who need a heavy-duty cable, this construction may be useful, provided the exact purchased assembly has suitable certification and compatible connector ratings.

Pros

• Thicker 14 AWG conductors.

• Advertised 15A, 125V configuration.

• Three-conductor grounded design.

• Different length options.

Cons

• Thicker cable may be less flexible.

• Requires careful verification of complete connector and equipment ratings.

• Unnecessary for many ordinary desktop computers.

• Exact certification should be checked for the selected variant.

Buy If: Your equipment specifications justify a heavier-gauge cord and the complete assembly meets the intended electrical requirements.

Skip If: A properly rated standard 18 AWG cable already satisfies your PC’s requirements.

How to Choose the Best PC Power Supply Cord

1. Identify the Correct Power Connector

The most common removable AC power cable for a desktop PC in the United States uses two connectors.

NEMA 5-15P: A grounded three-prong plug designed for compatible North American outlets.

IEC C13: A female connector that fits the common IEC C14 power inlet found on many desktop PSUs.

These connectors form a standard arrangement for numerous gaming computers, office desktops, monitors, and peripherals.

However, not every computer uses C13.

Certain compact PCs use an external power adapter, while some high-power systems use a larger IEC C19 connector that mates with a C20 inlet.

Always inspect the equipment connector and manufacturer specifications before purchasing.

2. Understand 18 AWG vs 16 AWG vs 14 AWG

Wire gauge describes the approximate size of an electrical conductor.

Smaller AWG numbers indicate larger conductors.

A thicker cable can reduce electrical resistance, particularly over longer runs.

However, the complete assembly’s rating is more important than conductor size alone.

A cable must be used within its specified current and voltage limits.

Do not assume every 14 AWG cable is suitable for every PSU or that thicker wire automatically improves computer performance.

3. Check the Power Supply’s Input Rating

A desktop PSU converts incoming AC power to the DC voltages required by computer components.

Its advertised wattage usually describes its maximum rated DC output, not necessarily its AC input under all operating conditions.

For example, a PSU rated for 850W output may consume more than 850W from the wall when delivering its maximum output because power conversion is not perfectly efficient.

The actual input also depends on the operating load.

Check the PSU label for its accepted voltage range, maximum input current, and inlet type.

The cord must be appropriately rated for the supply voltage and the equipment’s electrical requirements.

4. Choose the Correct Cable Length

The ideal cable should reach the power source comfortably without unnecessary excess.

Measure the intended cable route rather than the straight-line distance between the PC and outlet.

Include extra clearance for routing around desk legs and moving adjustable furniture.

Avoid stretching the cable taut or using a damaged cord to reach an outlet.

5. Consider Straight vs Right-Angle Connectors

Straight connectors are widely compatible and convenient when ample clearance is available.

Right-angle connectors redirect the cable immediately after the plug.

A right-angle C13 connector can be helpful behind a desktop tower, while a right-angle NEMA 5-15P plug may provide better clearance at the wall.

Neither configuration is universally superior.

Check connector orientation, neighboring outlets, PSU switches, and case panels before purchasing.

6. Look for Safety Certifications

For buyers in the United States, an appropriate UL or ETL listing from a recognized testing organization is a useful purchasing criterion.

Certification can provide additional assurance that the cord assembly has been evaluated against applicable safety requirements.

However, buyers must verify the exact product rather than relying on generic statements in a marketplace listing.

A certification claim for one cable variant does not automatically apply to every related cable sold by a brand.

The cable should also include clear current and voltage ratings, secure molded connections, and suitable insulation.

7. Understand International Power Compatibility

The cords reviewed here target North American outlets using NEMA 5-15P plugs.

They should not be assumed suitable for direct connection to outlets in countries using different plug standards.

Many modern desktop PSUs accept a wide AC voltage range, but some do not.

A universal-input PSU may operate on both 120V and 230V supplies with an appropriate locally rated cable, while a voltage-specific PSU may require different equipment or settings.

A power cord does not convert voltage.

Always verify the PSU input label and use a compliant cable for the destination country’s electrical system.

Common Mistakes When Buying a PC Power Supply Cord

Confusing External AC Cords With Modular PSU Cables

An external IEC C13 power cord connects the computer PSU to the wall.

Internal modular PSU cables connect the PSU to components such as the motherboard, CPU, GPU, and storage drives.

These cable types serve completely different purposes.

Internal modular cables may look similar across manufacturers, but their PSU-side pin assignments can differ.

Never substitute modular PSU cables from another PSU unless compatibility is explicitly confirmed by the manufacturer.

Choosing a Cord Based Only on Wattage

A product described as a gaming PC power cable is not necessarily suitable for every gaming system.

Check the maximum voltage and current ratings and confirm connector compatibility.

Marketing descriptions do not replace electrical specifications.

Using a Cable With a Damaged Connector

Cracked insulation, exposed conductors, loose plug contacts, or signs of overheating are reasons to discontinue using a power cable.

Replace the cable with an appropriately rated product rather than attempting an improvised repair.

Using an Incorrect International Plug Adapter

A physical plug adapter does not change the incoming voltage.

If a PSU does not support the destination’s electrical supply, changing the plug shape will not solve the problem.

Use equipment specifically rated for the local supply.

Routing a Cable Through Unsafe Locations

Avoid placing power cords where chair wheels can crush them, desk mechanisms can pinch them, or people can repeatedly trip over them.

Do not route ordinary power cords through walls or permanently conceal them in building structures unless the wiring method is explicitly permitted by applicable electrical codes.

PC Power Supply Cord Compatibility Guide

Gaming Desktop PCs

Most conventional gaming desktops with standard ATX power supplies use an IEC C14 inlet.

An appropriately rated C13 cord is suitable when it meets the PSU’s electrical requirements.

High-wattage configurations should receive particular attention to inlet and cord ratings.

Office Computers

Office desktops commonly use standard IEC C13 cords or external power adapters.

For systems with an external adapter, use the specified adapter and compatible AC lead rather than assuming an ATX-style cable will fit.

Gaming Monitors

Many monitors accept IEC C13 connectors, while others use external power supplies or smaller connector designs.

Check the monitor’s power inlet before buying a replacement.

UPS Battery Backup Systems

Many UPS products provide ordinary NEMA 5-15R receptacles for connected equipment.

A standard NEMA 5-15P to C13 cord may work when the UPS outlet, PC inlet, and electrical load are compatible.

Other UPS and PDU equipment may use IEC output connectors and require different cable assemblies.

Frequently Asked Questions

Are All PC Power Supply Cords the Same?

No. Although many desktop computers use NEMA 5-15P to IEC C13 cables, cords differ in current rating, voltage rating, wire gauge, connector geometry, length, and regional plug design.

Check compatibility before using a replacement.

Can I Use Any Power Cord for My Gaming PC?

You can use a compatible external AC power cord that matches your PSU inlet and electrical requirements.

However, the cord must be appropriately rated and in safe condition.

Do not substitute internal modular PSU cables without confirmed compatibility.

Is a Thicker Power Cord Better for a PC?

A thicker conductor can provide lower electrical resistance, but it does not automatically improve computer performance.

For a system operating safely within a quality cable’s ratings, moving to thicker wire generally provides no gaming FPS benefit.

Can a Bad Power Cord Damage My Computer?

A damaged, incorrectly rated, or poorly connected cord can create electrical and fire hazards.

Loose or intermittent connections may also cause unexpected shutdowns.

Replace damaged power cords promptly and address any signs of overheating.

Is a 10A Power Cord Enough for an 850W PSU?

It can be, depending on the PSU’s actual maximum AC input current, efficiency, supply voltage, inlet rating, and manufacturer requirements.

At 125V, a 10A cord has a nominal apparent-power limit of 1,250VA, but that simple multiplication is not a blanket approval for every 850W PSU.

Check the complete electrical requirements instead of relying on PSU output wattage alone.

Can I Use a Monitor Power Cable for My PC?

Sometimes. If the monitor cable has the correct connectors, an appropriate electrical rating, protective grounding, and suitable certification, it may also work with a compatible desktop PSU.

Do not assume compatibility merely because the connectors appear similar.

Conclusion: Which PC Power Supply Cord Should You Buy?

The StarTech.com PXT101 is the best overall PC power supply cord for many standard desktop computers thanks to its six-foot length, 18 AWG copper conductors, UL listing, and common NEMA 5-15P to IEC C13 connection. The Eaton Tripp Lite P006-006 is another dependable everyday replacement, while the P006-006-13RA and StarTech PXTR1016 address different clearance problems. Choose the P006-003 for short connections or the PXT10112 when greater reach is necessary. For higher-current applications, consider the IronBox Electric 14/3 SJT only after confirming the exact cord assembly and PSU ratings. Above all, prioritize correct connectors, electrical safety, and verified compatibility rather than cable thickness or marketing claims.

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