STARTECH USB312SAT3CB USB 3.1 Gen 2 to SATA converter cable 2.5
- 2.5 in (6.35 cm)
- USB to SATA
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Two USB-C female-to-female couplers extend cables and support 20Gbps data, 100W charging and 8K@60Hz video
The pack contains two female-to-female USB-C adapters that join two USB-C cables into a single longer link. Each unit accepts a USB-C plug on both ends so you can extend charging or data connections without replacing existing cables. The grey zinc-alloy housing measures 28.7 by 12 by 6.2 mm, making it small enough to carry in a laptop sleeve or pocket.
The coupler supports up to 20 Gbps throughput for moving large video or image files and is backward compatible with USB 3.1 at 10 Gbps. It also passes up to 100 W of USB Power Delivery at 20 V and 5 A, so a connected charger can keep a laptop powered while data flows continuously. Actual speeds depend on the cables and host devices used.
The metal shell resists oxidation and provides a firm grip when inserting or removing cables, reducing wear on ports over time. No driver installation is required on any supported operating system. The adapter also carries 8K video at 60 Hz when both host and display support USB-C video output, enabling a direct monitor connection through the coupler.
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| Product | |
|---|---|
| Product type | Female to Female |
| Product color | Gray |
| Ports & slots | |
| First connector | 1 x USB C Female |
| Second connector | 1 x USB C Female |
| Size & build | |
| Product dimensions | 28.7 × 12 × 6.2 mm |
| In the box | |
| Units per package | 2 |
| In the box | 2 x USB C Female to Female Adapter |
The zinc-alloy housing dissipates heat from the 20V 5A power path, so the coupler stays cool even during sustained 100W charging sessions.
You need two USB-C cables or devices with USB-C ports — one on each side — because both ends are female sockets.
The adapter is backward compatible with USB 3.1 Type-C 10Gb/s, so a 10Gbps cable will run at its full rated speed.
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