STARTECH PEXUSB3S25 2 Port PCI Express USB 3.0 Expansion Card
- 2x USB Ports
- USB 3.0
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Converts an M.2 NGFF slot into four PCIe x1 connectors using a 60cm USB 3.0 cable with SATA power and gold-plated contacts
This adapter converts a single M.2 NGFF slot into four PCIe 1x connections for expansion cards. It includes a 60cm USB 3.0 cable for flexible placement and draws auxiliary power through a SATA 6-pin connector. The board uses solid capacitors and 15U gold-plated contacts for stable power delivery and durable connectivity. No driver installation is required for operation.
Builders assembling dedicated bitcoin mining systems that have an available M.2 NGFF interface can use this multiplier to attach multiple graphics cards. It is not suitable for systems that only provide an mSATA interface, as the keying and signalling are incompatible. Buyers who need more than four expansion ports or who lack an M.2 NGFF slot on their motherboard should look at something else.
The riser card seats directly into the M.2 NGFF slot and the USB 3.0 cable connects to the breakout board without tools. Foam insulation on the underside helps prevent accidental shorts against the chassis. Common issues include the Windows limit on recognised graphics cards and the need to use identical graphics cards with modified drivers on a single motherboard.
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| Product | |
|---|---|
| Product type | PCI Express Controller Card |
Yes, the riser plugs directly into an M.2 NGFF slot and provides four PCIe x1 connectors using the included 60 cm USB 3.0 cable.
The adapter includes a SATA 6-pin power connector; your existing SATA cables can supply the board, but each graphics card still needs its own power connection.
Check Device Manager — all four PCIe x1 links should appear, and the solid capacitors on the board will be warm but not hot during normal mining operation.
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