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Green PCIe x16 adapter board with U.2 SFF-8639 connector and SATA power socket

Vszerda

Vszerda PCIe x16 to U.2 SFF-8639 NVMe/SAS/SATA Adapter

SKU CH-A7S5-5CHNY

Connects a U.2 NVMe, SAS or SATA SSD to a PCIe x16 slot at Gen 3 x4 speeds

  • Connect U.2 NVMe drives via PCIe x16 slot
  • Supports SAS and SATA 2.5-inch SSDs simultaneously
  • PCIe 3.0 x4 bandwidth up to 32 GT/s
  • Backward compatible with PCIe 2.0 and 1.0 boards
  • No driver needed for Windows 10 and Linux

PCIe x16 to U.2 NVMe adapter

This Vszerda add-on card converts a PCI Express x16 slot into a U.2 SFF-8639 connector for 2.5-inch NVMe, SAS or SATA solid-state drives. It targets builders who want enterprise-style U.2 storage on a consumer motherboard without an onboard U.2 port. The card draws 3.3 V power directly from the PCIe bus and requires a separate SATA power cable for the drive. No driver installation is needed on supported operating systems.

Sustained Gen 3 x4 throughput

The adapter operates at PCI Express 3.0 x4 electrical speed, delivering up to 32 GT/s across the link. Backward compatibility with PCIe 2.0 and 1.0 motherboards is maintained, though bandwidth scales to the slower generation. Because the card is a passive riser with no active cooling, sustained write performance depends on the drive’s own thermal throttling point and the chassis airflow across the U.2 device.

Simple mechanical install, watch cable routing

Installation consists of seating the card in a full-length PCIe x16 slot, attaching the SATA power lead, and mounting the 2.5-inch drive onto the board. The main difficulty is routing the SATA power cable in tight cases and ensuring the drive does not contact other expansion cards. Buyers who need hot-plug capability or multiple U.2 drives from one slot cannot use this single-port design.

How it compares

Measured against everything we stock in PCIe Expansion Cards, at today’s prices. Recalculated every night.

Price $40.99
Pricier than about 63% of the 891 comparable items (median $30.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Does the adapter need extra cooling when a U.2 NVMe SSD runs continuously?

The card draws 3.3 V power from the PCIe bus and has no active cooling; airflow in the case is usually sufficient for typical workloads.

What cables or drives must I already have to use this card?

You need a U.2 SFF-8639 NVMe, SAS or SATA 2.5-inch SSD and a spare SATA power connector from the PSU.

Will a PCIe 2.0 motherboard still run the adapter at reduced speed?

Yes, the card is backward compatible with PCIe 2.0 and 1.0 slots, operating at the lower generation's bandwidth.

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