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Green circuit board with gold PCIe edge connector and two silver OCuLink ports

SMUGDESK

SMUGDESK PCIe 4.0 x16 to Dual OCuLink SFF-8611/SFF-8612 8X VROC Adapter

SKU CH-SKG7-SD2TK

Converts a PCIe 4.0 x16 slot into dual OCuLink SFF-8611/SFF-8612 x8 ports for NVMe RAID or external GPU expansion with Intel VROC support

  • Converts one PCIe 4.0 x16 slot into two OCuLink SFF-8611/SFF-8612 x8 ports for high-speed expansion
  • Delivers full PCIe 4.0 16 GT/s bandwidth with backward PCIe 3.0 compatibility for wider motherboard support
  • Enables Intel VROC and x8/x8 bifurcation to run NVMe RAID arrays or dual devices simultaneously
  • Optimised signal circuit maintains stable long-cable connections for SSD and external GPU setups
  • Fits workstation and server builds with mainstream Windows, Linux and VMware operating systems

PCIe 4.0 x16 to Dual OCuLink Adapter

This adapter converts a single PCIe 4.0 x16 slot into two OCuLink SFF-8611/SFF-8612 x8 ports. It targets builders adding NVMe storage arrays or external GPU links to workstations and servers. The card requires a motherboard that supports x8/x8 PCIe bifurcation to function. Buyers without bifurcation support cannot use this device.

Thermals Noise and Power Draw

The unit is a passive circuit board with no active cooling components or fans. It draws negligible power from the PCIe slot itself and adds no audible noise to the system. Thermal performance depends entirely on the airflow provided by the host chassis. No external power connectors are present on the adapter.

VROC Support and Signal Design

Intel VROC compatibility enables hardware RAID across connected NVMe drives when the platform allows. The optimised signal circuit maintains link stability over longer cable runs to drive enclosures or eGPU docks. Backward compatibility with PCIe 3.0 hosts preserves function on older platforms at reduced bandwidth. No software utilities or drivers are bundled with the card.

How it compares

Measured against everything we stock in Interface & Card Adapters, at today’s prices. Recalculated every night.

Price $38.99
Pricier than about 82% of the 354 comparable items (median $21.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I install the SMUGDESK PCIe 4.0 x16 to Dual OCuLink SFF-8611/SFF-8612 8X VROC Adapter, and what step is commonly missed?

Insert the adapter into a PCIe 4.0 x16 slot, then enable x8/x8 bifurcation in the motherboard BIOS; without this setting the second OCuLink port will not be detected.

What maintenance or replacement will the SMUGDESK PCIe 4.0 x16 to Dual OCuLink SFF-8611/SFF-8612 8X VROC Adapter need later?

No scheduled maintenance is required; only the OCuLink cables or connected NVMe drives may need replacement if they fail or are upgraded.

What limit appears first on the SMUGDESK PCIe 4.0 x16 to Dual OCuLink SFF-8611/SFF-8612 8X VROC Adapter under sustained use?

The PCIe 4.0 x16 host link caps total throughput at 16 GT/s, so combined traffic from both x8 ports cannot exceed that bandwidth ceiling.

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