Looking for a reliable PCIe power cable to power high-performance graphics cards? This guide helps you choose cables compatible with common Corsair, Thermaltake, EVGA, and other modular power supplies. It targets builders upgrading or repairing power runs without replacing your entire PSU. Best for: gamers and hobbyists upgrading single-card or multi-GPU rigs, IT professionals customizing workstation power routing, and anyone extending PCIe power where stock cables fall short. Below is a quick table of five relevant cables followed by in-depth product insights and a buying guide.
| Product | Brand | Key Use | Compatibility Notes |
|---|---|---|---|
| PCIe Cable For Corsair, 25 Inch 8 Pin PSU To 6+2 Pin | Thsion Store | Modular PSU to GPU power | Corsair Type 3/4, Thermaltake, ARESGAME; not EVGA |
| Cable Matters 8-Pin GPU Power Cable, 6+2Pin PCIe/GPU | Cable Matters Store | 8-pin PSU to PCIe GPU power | Best with Corsair Type 3/4; not EVGA |
| YEZriler 8 Pin PCIe Cable For Corsair PSUs | YEZriler Store | PCIe power to GPU for Corsair PSUs | 6+2 or 8-pin ends; Corsair compatibility listed |
| lkelyonewy 2Pcs PCIe Gpu Power Extension Cable | lkelyonewy Store | Dual PCIe power extension | 7-7/8″ 18AWG; general PCIe extensison |
| YEZriler 8 Pin PCIe Cable For EVGA PSUs | YEZriler Store | EVGA-specific PCIe power cable | Not compatible with Corsair; 6+2 ends |
PCIe Cable For Corsair, 25 Inch 8 Pin PSU To 6+2 Pin GPU
This cable is designed for Corsair, Thermaltake, and ARESGAME modular PSUs, delivering 18 AWG, 300V, 10A rated copper wire. It fits Corsair Type 3 and Type 4 PSUs and certain Thermaltake models. Best for users with Corsair modular power supplies seeking stable GPU power delivery and a longer reach (25 inches). Caution: Not compatible with EVGA PSUs and double-check model compatibility before purchase.
Cable Matters 8-Pin GPU Power Cable
This 8-pin PSU to 6+2 PCIe/GPU cable supports Corsair Type 3 and Type 4 PSUs and select others with matching pinouts. It explicitly warns about incompatibility with EVGA PSUs and certain Corsair RMX/Shift models. Best for users who want a flexible, motherboard-agnostic PCIe connector that converts EPS/ATX power to PCIe power. Limitation: verify pinout compatibility to avoid power issues on non-standard PSUs.
YEZriler 8 Pin PCIe Cable For Corsair PSUs
YEZriler’s Corsair-compatible PCIe cable provides 8-pin (ATX) to 6+2 PCIe ends with sleeved construction. It lists broad Corsair compatibility including AX, AXi, HX, HXi, RM, RMi, SF, TX, and CS series, plus various Thermaltake models. Best for Corsair modular PSUs requiring a sleeved extension for clean builds. Caution: 8-pin end and 6+2 end are not interchangeable; ensure the correct orientation for your GPU.
lkelyonewy PCIe Gpu Power Extension Cable
Features two 8-pin to dual 8-pin (6+2) PCIe connections, enabling two additional PCIe power ports from a single PSU. It uses 18AWG copper wire and includes locking connectors to prevent disconnections. Best for systems needing extra PCIe power rails without upgrading the PSU. Limitation: not universally compatible with all PSU pinouts; verify connector shapes on your unit.
YEZriler 8 Pin PCIe Cable For EVGA PSUs
This EVGA-focused PCIe 8-pin to 6+2 PCIe power adapter targets EVGA semi-modular PSUs and similar models with compatible 8-pin ports. Not compatible with Corsair PSUs. Best for EVGA users needing reliable GPU power without replacing cables. Caution: verify that your EVGA PSU’s 8-pin port is PCIe, not CPU, to avoid misfit and possible damage.
Buying Guide
Key purchase considerations help ensure you pick the right PCIe power cable for your setup.
- PSU compatibility: Confirm your PSU brand, model, and pinout type (Type 3/4, EVGA, Corsair, Thermaltake, etc.) before buying. Mismatch can cause power delivery issues or damage.
- Connector ends: Decide between 6+2 pin or pure 8-pin ends. Some GPUs need both for flexibility; some PSUs require specific end orientations.
- Cable length and routing: Longer cables help with complex builds or open cases; shorter cables reduce clutter and potential power loss. Sleeved cables improve aesthetics and durability.
- Wire gauge and rating: 18 AWG is common and adequate for typical GPUs, but heavier GPUs or multi-GPU setups may benefit from thicker wires or higher current ratings.
- Certification and safety: Look for cables with proper insulation, heat resistance, and TÜV or equivalent assurances where available. Avoid improvised or mismatched cables.
- Installation cautions: Ensure Pin 4 and Pin 5 configurations align with the PSU’s instructions. Incorrect wiring can cause boot failures or hardware damage.
What to consider for specific scenarios
- Single GPU upgrade: A 6+2 PCIe connector provides flexibility for newer GPUs that require 8 pins or just a 6-pin.
- Custom builds with visible cable management: Sleeved cables present a cleaner look and aid airflow with tidy routing.
- Older or mixed-brand PSUs: Verify compatibility lists and avoid cables that target only specific brands if yours isn’t listed.
Quick compatibility tips
- For Corsair Type 3/4 PSUs, most 6+2 PCIe cables labeled for Corsair work reliably when pinouts match.
- EVGA users should target EVGA-compatible cables explicitly; Corsair or Thermaltake cables may not fit electrically.
- Thermaltake RGB GOLD, RGB PLATINUM, ARGB GOLD models often align with general PCIe 6+2 ends but confirm your model’s pinout.
FAQ
- Can I use any 8-pin PCIe cable with my GPU?
- Is 18 AWG sufficient for all GPUs?
- Should I buy a sleeved cable or a plain one?
- What is the risk of using an incompatible cable?
- Do these cables work with all Corsair PSUs?
- Can I use these cables for mining rigs?
No. Cable pinouts must match your PSU and GPU connector shapes. Mismatched cables can power incorrectly or cause damage.
For many GPUs, yes, but multi-GPU rigs or high-wattage cards may benefit from thicker wires or shorter runs.
Sleeved cables are preferred for aesthetics and durability in visible builds; performance is similar if wire gauge and connectors match specs.
Possible power failure, system instability, or hardware damage due to incorrect voltage delivery or connector misfit.
Not all Corsair PSUs; verify model compatibility lists (Type 3/4 and specific series) before purchasing.
Yes, but ensure the PSU supports sustained high current and the cables maintain safe temperature and insulation under load.