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Small red circuit board with SFF-8643 and M-key connectors

Vszerda

Vszerda SF-094 SFF-8643 to NGFF hard drive adapter

SKU CH-QW0H-G6KQ1

Connects an M-key NVMe SSD to a U.2 (SFF-8639) port via SFF-8643 Mini SAS HD with PCIe 3.0 x4

  • Connects M.2 NVMe SSD to U.2 backplane using SFF-8643 Mini SAS HD
  • PCIe 3.0 x4 lane delivers 4 GBps bandwidth for NVMe performance
  • Red PCBA kit includes SFF-8639 U.2 connector for direct drive attachment
  • Lightweight 0.05 kg adapter adds minimal mass to dense server builds
  • Requires Windows 7 or Server 2008 R2 KB2990941 update for native NVMe driver support

Vszerda SF-094 U.2 to M.2 Adapter

The Vszerda SF-094 is a printed-circuit adapter that converts a U.2 (SFF-8639) backplane or cable connection to an M-key M.2 slot. It carries a PCIe 3.0 x4 electrical link rated at 4 GBps, allowing an NVME SSD to connect directly to a server or workstation mainboard that provides an SFF-8643 Mini SAS HD port.

Suits NVME drives on U.2 infrastructure

This adapter suits builders installing an M-key NVME SSD into a system wired for U.2 drive bays or SFF-8643 host connectors. It is not for drives that lack an M-key edge connector, nor for platforms that cannot supply a PCIe 3.0 x4 link to the U.2 port. Legacy operating systems such as Windows 7 require a separate NVME driver update before the drive will be recognised.

PCIe 3.0 x4 lane width decides compatibility

The single specification that determines whether this part works is the host providing a true PCIe 3.0 x4 connection to the SFF-8643 connector. If the mainboard or backplane routes fewer lanes or an older PCIe generation, the SSD will not reach the stated 4 GBps throughput or may fail to enumerate.

Highlights

  • Connects M.2 NVMe SSD to U.2 backplane using SFF-8643 Mini SAS HD
  • PCIe 3.0 x4 lane delivers 4 GBps bandwidth for NVMe performance
  • Red PCBA kit includes SFF-8639 U.2 connector for direct drive attachment
  • Lightweight 0.05 kg adapter adds minimal mass to dense server builds
  • Requires Windows 7 or Server 2008 R2 KB2990941 update for native NVMe driver support

Specifications

No published specifications for this item yet.

Questions about this item

Which M.2 SSD keying does the SF-094 support?

The adapter connects an M-key NVMe SSD to a U.2 SFF-8639 backplane.

What throughput can I expect from the PCIe 3.0 x4 link?

The board passes a PCIe 3.0 x4 signal rated at 4 GBps between the M.2 drive and the SFF-8643 Mini SAS HD connector.

Does the SFF-8643 Mini SAS HD interface limit the drive speed?

No, the SFF-8643 connector carries the full PCIe 3.0 x4 lane width, so it does not cap the NVMe SSD performance.

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