STARTECH PEXUSB3S25 2 Port PCI Express USB 3.0 Expansion Card
- 2x USB Ports
- USB 3.0
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Splits one PCIe 1x slot into four 16x connectors with a 60 cm USB 3.0 cable for multi-GPU mining rigs
This adapter converts a single PCI-E 1x slot into four 16x connectors using a 60 cm USB 3.0 cable. It is designed for cryptocurrency mining systems that need multiple graphics cards from one motherboard slot. The flexible shielded cable fits 1U, 2U and 3U chassis. Each connected card runs at reduced bandwidth because the upstream link remains 1x.
Verify that your motherboard has at least one free PCI-E 1x or larger slot and that its chipset can enumerate four downstream devices. Confirm the power supply can deliver enough current for all installed graphics cards plus the riser board itself. The 23.63 inch cable length limits how far the cards can sit from the motherboard, so measure your chassis layout before ordering. Builders who need full 16-lane bandwidth per card cannot use this product.
The included 60 cm USB 3.0 shielded cable carries the PCI-E signals from the motherboard to the four-slot riser board. No extra cables, brackets or driver discs are supplied. The board simply splits the single upstream lane across four downstream slots, so mining software sees four separate devices. Users who expect plug-and-play gaming performance or hot-plug support will not find those features here.
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No published specifications for this item yet.
The listing states No Cable, so the four USB 3.0 shield cables must be purchased separately.
The board splits one PCIe 1x connection into four 16x slots, allowing up to four cards to run from the same slot.
Each USB 3.0 cable reaches roughly 23.63 inches, giving enough slack to space cards across a standard 1U to 3U chassis.
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