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Cable Matters 2-Pack SATA to 6+2-Pin Power Cable, 7 inches | SATA to 8-Pin PCIe / 6-Pin PCIe Power Cable
Cable Matters

Cable Matters 2-Pack SATA to 6+2-Pin Power Cable, 7 inches | SATA to 8-Pin PCIe / 6-Pin PCIe Power Cable

Bottom line: The Cable Matters 2-Pack SATA to 6+2-Pin Power Cable: 6+2 pin PCIe end fits both 6-pin and 8-pin graphics card sockets; main trade-off: single SATA feed limits safe draw; not suited to high-wattage GPUs.

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Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ 6+2 pin PCIe end fits both 6-pin and 8-pin graphics card sockets
  • ✓ Latching (6+2) PCIe plug plus keyed SATA rails resist accidental disconnects
  • ✓ Powers a PCIe graphics card from an older PSU with no native PCIe lead

Cons

  • ✗ Single SATA feed limits safe draw; not suited to high-wattage GPUs
  • ✗ Short 7-inch length restricts routing room in larger cases
  • ✗ SATA-to-PCIe adapters carry inherent overload risk if the card overdraws
  • ✗ One-way design: female SATA in, male 6+2 PCIe out only

SpecPicks Verdict

SpecPicks scored Cable Matters 2-Pack SATA to 6+2-Pin Power Cable using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies & cables category. Cable Matters's power supplies & cables lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies & cables of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • PCI express power cable adapter connects a PCIe video card with an 8-Pin or 6-Pin PCIe connection to a power supply with a SATA power connection
  • PSU upgrade saver power cable provides an option for a power supply without a PCIe connection for GPU power; a SATA connector is designed to power a PCIe video graphics card from an older PSU via a 6-Pin or 8-Pin PCIe connection
  • 8 pin PCIe to 15 pin SATA female to male cable provides a convenient solution for video graphics card power with SATA connector for GPU cards that require more power
  • Sturdy graphics card power cable has a male SATA connector with keyed rails and a female (6+2) Pin PCIe connector with a latch for a secure connection on each end to prevent accidental disconnections
  • 6 pin PCIe to SATA cable is compatible with popular graphics cards such as Gigabyte, Radeon, and Sapphire

Full Specifications

BrandCable Matters
ColorBlack
Model104055x2
Cable Type8 Pine PCIe, SATA Cable
Item ShapeRound
Model NamePCI to 15 Pin SATA Power Cable
Unit Count2 Count
Part Number104055x2
Connector Type8 Pine Pcie, Sata
Number of Pins2
Maximum Current26.4 A
Maximum Voltage12 volts
Number of Items2
Special FeatureData Transfer
Connector GenderMale-to-Male
Specification MetUL
Compatible DevicesGraphics cards from Gigabyte, Radeon, and Sapphire
Indoor Outdoor UsageIndoor, Outdoor
Customer Package Typeprotective packaging
Recommended Uses For ProductConnecting PCIe video cards with SATA power connections, providing an option for power supplies without PCIe connections for GPU power

Ready to buy?

Cable Matters 2-Pack SATA to 6+2-Pin Power Cable, 7 inches | SATA to 8-Pin PCIe / 6-Pin PCIe Power Cable is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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