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Green full-height half-length PCIe card with two SFF-8643 connectors and gold fingers

eshinreal

eshinreal 2-Port PCIe 3.0 x8 to U.2 NVMe SFF-8643 Adapter Card Bifurcation

SKU CH-7NXV-H74FK

Adds two U.2 NVMe SSDs through one PCIe 3.0 x8 slot using native x4/x4 bifurcation for 3.94GB/s per drive

  • Product typeController Card
  • Adds two U.2 NVMe drives via one PCIe 3.0 x8 slot
  • Each SSD runs at full PCIe 3.0 x4 3.94GB/s bandwidth
  • Uses native x4/x4 bifurcation with no PLX switch latency
  • Includes 50cm SFF-8643 to U.2 cables and both bracket heights
  • SFF-8643 connectors rated for 10,000+ insertions on 6-layer PCB

Dual U.2 NVMe Adapter Card

This PCIe 3.0 x8 add-on card connects two enterprise U.2 NVMe SSDs through SFF-8643 mini-SAS HD cables. It targets professionals who need high-capacity, low-latency storage for workstations or servers. The board splits the x8 link into two x4 lanes, giving each drive dedicated bandwidth. No PLX switch is used, so latency stays minimal.

Upgrade Path and Bifurcation Requirement

The card replaces direct motherboard M.2 slots when more enterprise drives are needed than the board provides. The performance jump is worth it only if your motherboard BIOS supports PCIe bifurcation to x4/x4 mode on the chosen slot. Without that split, the second drive will not be detected. Backward compatibility with PCIe 2.0 systems exists but halves the per-drive ceiling.

Compatibility Checklist

Verify the target slot is wired for x8 or x16 electrical width and that the BIOS exposes an x4/x4 bifurcation option. Confirm your U.2 SSDs use the SFF-8639 connector and speak NVMe 1.3 or 1.4. Ensure chassis clearance for the half-length card and the included 50 cm cables. The package supplies both full-height and half-height brackets for low-profile cases.

How it compares

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

Price $24.99
Cheaper than about 60% of the 891 comparable items (median $30.99).

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Specifications

Product
Product typeController Card

Questions about this item

What PCIe slot width and bifurcation setting does this card require?

The card needs a PCIe 3.0 x8 slot (x16 physical compatible) and the motherboard BIOS must support x4/x4 bifurcation to split the lanes for both U.2 NVMe SSDs.

Which cables and brackets come in the box for installation?

The kit includes two 50cm SFF-8643 to U.2 cables and both full-height and half-height brackets for low-profile or standard cases.

How durable are the SFF-8643 connectors for drive swaps?

The connectors are rated for 10,000+ insertions, so repeated SSD replacements are well within the design limits.

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