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Green circuit board with silver x16 edge connector and four black OCuLink ports plus low-profile bracket

LORDWORLD

LORDWORLD PCIe 4.0 x16 to 4× OCuLink SFF-8612/8611 Adapter

SKU CH-WTB4-1401N

Converts a PCIe 4.0 x16 slot into four OCuLink SFF-8612 ports for SSD or GPU expansion

  • Supports four drives when the motherboard splits PCIe lanes
  • PCIe 4.0 x16 delivers up to 64 Gbps bandwidth
  • Backward compatible with PCIe 3.0 for wider hardware support
  • Four internal OCuLink SFF-8612 ports connect SSDs or eGPU docks
  • Includes standard and low-profile brackets for flexible mounting

PCIe 4.0 x16 to 4× OCuLink Adapter

This new LORDWORLD adapter converts a single PCIe 4.0 x16 slot into four internal OCuLink SFF-8612 ports. It is designed for builders who need to connect multiple U.2 SSDs, an eGPU enclosure, or other PCIe expansion cards inside compact desktops or small form factor hosts. The board includes a low-profile bracket and fixing holes for secure internal mounting.

Requires motherboard PCIe bifurcation

The adapter only functions correctly on motherboards that support detachable or bifurcated PCIe lanes. Without lane splitting at the platform level, the host will only recognise a single device connected to the first OCuLink port. Systems lacking this capability cannot address all four attached drives or cards simultaneously.

Passive design with Gen 4 signal integrity

The unit contains no active cooling or power circuitry, so it adds no fan noise and draws negligible power from the slot. It transmits PCIe 4.0 signals at up to 64 Gbps and remains backward compatible with PCIe 3.0 devices. Signal quality is maintained through the SFF-8612 connectors, which are rated for SAS-4 24 Gbps operation.

Highlights

  • Supports four drives when the motherboard splits PCIe lanes
  • PCIe 4.0 x16 delivers up to 64 Gbps bandwidth
  • Backward compatible with PCIe 3.0 for wider hardware support
  • Four internal OCuLink SFF-8612 ports connect SSDs or eGPU docks
  • Includes standard and low-profile brackets for flexible mounting

Specifications

BrandLORDWORLD

Questions about this item

What does the 64 Gbps headline rate mean once the adapter is installed in a real system?

The 64 Gbps figure is the aggregate bandwidth of the PCIe 4.0 x16 link feeding the four OCuLink ports; each port can deliver up to 16 Gbps, so four devices share the total pipe rather than each seeing 64 Gbps.

Which interface standard does the OCuLink side follow and what does it cap in practice?

The OCuLink connectors follow the SFF-8611 and SFF-8612 specifications and are compatible with T10 SAS-4 at 24 Gbps per lane, limiting each port to that rate even though the upstream PCIe 4.0 x16 link can carry more.

What physical brackets and mounting holes does the card include for fitting into a chassis?

The adapter ships with both a standard-height and a low-profile bracket, plus fixing holes on the PCB for secure mounting in small hosts, desktops or laptops.

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