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Green circuit board with silver PCIe x16 edge connector and four U.2 ports plus LED

LORDWORLD

LORDWORLD PCIe 4.0 x16 to 4 Port U.2 NVMe Adapter Card

SKU CH-PBSD-3D4B4

Connects four U.2 NVMe drives through a PCIe 4.0 x16 slot using SFF-8643 ports with LED status indicators

  • Adds four U.2 NVMe drives through a single PCIe 4.0 x16 slot
  • Requires motherboard PCIe bifurcation to split the x16 link into four lanes
  • LED indicator shows drive activity and power status at a glance
  • PCIe 4.0 interface delivers full bandwidth to each connected NVMe drive
  • Sturdy PCB construction ensures reliable operation in 2U chassis environments

PCIe 4.0 x16 U.2 NVMe Adapter

This adapter converts a single PCIe 4.0 x16 slot into four U.2 NVMe ports using SFF-8643 connectors. It is designed for builders who need to add high-density enterprise storage to a workstation or server platform. The card requires a motherboard that supports PCIe bifurcation to function correctly. It fits standard 2U chassis layouts for rackmount deployments.

PCB construction with LED status indicators

The board uses a standard PCB substrate for structural rigidity and reliable signal integrity across all four ports. Each connector is an SFF-8643 interface that mates with SFF-8639 U.2 drive cables. Onboard LED indicators provide immediate visual confirmation of drive activity and power status. The plug-and-play design requires no additional drivers once the platform bifurcation is enabled.

Four-port U.2 expansion via PCIe bifurcation

The single specification that determines compatibility is the motherboard PCIe split function. Without BIOS support for x4-x4-x4-x4 bifurcation, only one drive will be detected. The card itself contains no PLX switch or bridge logic. It passes through the CPU or chipset lanes directly to the four SFF-8643 ports. Verify platform support before purchase.

Highlights

  • Adds four U.2 NVMe drives through a single PCIe 4.0 x16 slot
  • Requires motherboard PCIe bifurcation to split the x16 link into four lanes
  • LED indicator shows drive activity and power status at a glance
  • PCIe 4.0 interface delivers full bandwidth to each connected NVMe drive
  • Sturdy PCB construction ensures reliable operation in 2U chassis environments

Specifications

BrandLORDWORLD

Questions about this item

Does the PCIe 4.0 x16 interface limit the speed of each of the four U.2 ports?

The card runs at PCIe 4.0 x16 and splits into four SFF-8643 ports, so each port can operate at up to x4 bandwidth when the motherboard supports bifurcation.

What physical space and connectors are required to install this four-port U.2 adapter?

It needs a full-length PCIe x16 slot, a 2U chassis or taller, and four SFF-8643 cables to reach the U.2 drive backplane.

What BIOS setting must be enabled before the four NVMe drives appear, and what step do builders often miss?

Enable PCIe bifurcation (x4/x4/x4/x4) in the motherboard firmware; the drives will not be detected if the slot remains in x16 mode.

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