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Green full-height PCIe card with four U.2 ports and a large silver heatsink

eshinreal

eshinreal 4-Port U.2 NVMe Adapter PCIe 3.0 x16 PLX8747

SKU CH-JMS6-R5HZP

Adds four U.2 NVMe drives over a PCIe 3.0 x16 slot with a PLX8747 switch delivering 15.76 GB/s shared bandwidth

  • TypeController Card
  • Four U.2 NVMe ports run four SSDs simultaneously
  • PCIe 3.0 x16 host interface shares 15.76 GB/s total bandwidth
  • PLX8747 switch chip provides non-blocking, low-latency multi-drive switching
  • Hot-swap U.2 backplane support simplifies SSD maintenance
  • Passive cooling design suits rackmount and silent workstations

Four U.2 NVMe ports on a single x16 card

This adapter connects four U.2 (SFF-8639) NVMe solid-state drives to a PCIe 3.0 x16 slot, making it suitable for servers and workstations that need dense, high-speed flash storage. It uses the Broadcom PLX8747 switch chip to manage lane allocation across all four drives simultaneously. The card supports NVMe 1.3 and 1.4 protocols and operates without an auxiliary power connector. It fits full-height brackets with a low-profile option available.

PLX8747 switch enables non-blocking access

The Broadcom PLX8747 PCIe switch chip provides non-blocking, low-latency switching so each of the four U.2 ports can run at PCIe 3.0 x4 without contention. Total host bandwidth reaches 15.76 GB/s across the x16 interface, shared among the installed SSDs. The card works in x8 or x4 slots at reduced bandwidth, and driver-free NVMe support covers Windows Server, Linux and VMware environments. Hot-swap capability simplifies drive maintenance in enterprise backplanes.

Passive cooling keeps the card silent under load

A passive heatsink dissipates roughly 15 W of typical power draw, so the adapter adds no fan noise to rackmount chassis or quiet workstations. The design targets 1U and 2U server density where airflow is managed by the system fans. No external power cable is required, reducing cable clutter in crowded enclosures. Thermal performance scales with the host system’s cooling capacity.

Highlights

  • Four U.2 NVMe ports run four SSDs simultaneously
  • PCIe 3.0 x16 host interface shares 15.76 GB/s total bandwidth
  • PLX8747 switch chip provides non-blocking, low-latency multi-drive switching
  • Hot-swap U.2 backplane support simplifies SSD maintenance
  • Passive cooling design suits rackmount and silent workstations

Specifications

TypeController Card

Questions about this item

What does the 15.76 GB/s total bandwidth mean when four NVMe drives are installed?

The 15.76 GB/s ceiling is shared across all four U.2 ports, so each drive gets up to a quarter of that throughput when all are active simultaneously.

How does the PCIe 3.0 x16 host interface limit performance if I plug the card into an x8 or x4 slot?

The card works in x8 or x4 slots, but the host link drops to the slot's lane count, reducing the aggregate bandwidth available to the four drives proportionally.

What clearance does the full-height bracket need inside a 1U or 2U server chassis?

The adapter uses a full-height bracket; a low-profile bracket is optional, so verify your chassis supports full-height cards before installation.

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