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Black cable with two 15-pin SATA plugs and one 8-pin PCI-E connector

SOURCEPRO

SOURCEPRO Dual 15Pin SATA Male to 8Pin(6+2) / 6Pin PCI-E Power Cable

SKU CH-QDW9-99BP9

Adapts two 15-pin SATA power connectors to a single 8-pin or 6-pin PCI-E graphics card socket

  • Connector TypeUSB A to USB A
  • Connects PCI-E video card using existing SATA power connectors
  • Dual 15-pin SATA male plugs feed one 8-pin (6+2) or 6-pin PCI-E female socket
  • Two SATA sources supply 12 V current for high-end graphics cards
  • Avoids upgrading the power supply for video card compatibility
  • Solves insufficient single-line current when powering multiple GPUs

Dual SATA to PCI-E Power Adapter

This adapter converts two 15-pin SATA male connectors into a single 8-pin (6+2) or 6-pin PCI-E female connector. It lets you power a graphics card from existing SATA power leads on a computer power supply. The cable is sold new and targets builders who need a PCI-E power connection without replacing the power supply.

Replaces missing native PCI-E cables

Use this when a power supply lacks dedicated 8-pin or 6-pin PCI-E outputs but has spare SATA connectors. The dual-SATA design delivers 12 V through two lines to meet higher current demands of 8-pin graphics cards. It is not for systems that already provide sufficient native PCI-E power connectors.

Limited by SATA connector rating

Each SATA connector is rated for a maximum of 12 A on the 12 V rail, so the adapter inherits that limit. Drawing more current than the SATA plugs can handle risks overheating or melting the cable. It does not increase the total power available from the power supply itself.

Highlights

  • Connects PCI-E video card using existing SATA power connectors
  • Dual 15-pin SATA male plugs feed one 8-pin (6+2) or 6-pin PCI-E female socket
  • Two SATA sources supply 12 V current for high-end graphics cards
  • Avoids upgrading the power supply for video card compatibility
  • Solves insufficient single-line current when powering multiple GPUs

Specifications

Connector TypeUSB A to USB A

Questions about this item

What clearance do the two 15‑pin SATA plugs and the 8‑pin (6+2) / 6‑pin PCI‑E socket need inside the case?

Each 15‑pin SATA male connector and the 8‑pin (6+2) / 6‑pin PCI‑E female socket are standard width; allow room for the cable bend radius so the plugs seat fully without pressing against the side panel or other components.

Which connectors must be attached first when wiring the dual SATA to PCI‑E adapter to avoid a loose 12 V feed?

Plug both 15‑pin SATA males into separate power‑supply SATA ports before connecting the 8‑pin (6+2) / 6‑pin PCI‑E end to the graphics card; using only one STA port leaves the 12 V line under‑powered.

When should the cable be inspected or replaced to prevent a burnt 12 V line?

Check the SATA and PCI‑E connectors for discolouration or melted insulation after any heavy GPU load session; replace the cable immediately if the 12 V wires show heat damage.

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