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Small green circuit board with M.2 slot, OCuLink port, USB-C and SATA power connectors

SMUGDESK

SMUGDESK M.2 NVMe M Key to SFF-8611 OCuLink Riser Adapter 2230 2242 2260 2280 Type-C SATA Power

SKU CH-RFA8-PZMB4

Converts M.2 M-key NVMe drives (2230, 2242, 2260, 2280) to SFF-8611 OCuLink with dual Type-C and SATA power options for stable operation

  • Converts M.2 M-Key NVMe to SFF-8611 OCuLink for high-speed PCIe x4 data transfer
  • Supports 2230 2242 2260 2280 NVMe SSDs from Samsung WD Crucial Kingston and other brands
  • Dual power via onboard Type-C port or included SATA to 4Pin cable for stable high-wattage operation
  • Anti-interference multi-layer PCB with impedance-matched layout reduces signal loss during heavy workloads
  • Plug-and-play design suits mini PC upgrades DIY workstations and external NVMe storage projects

M.2 M-Key to OCuLink 8611 Adapter

This SMUGDESK riser converts an M.2 M-key NVMe SSD into an SFF-8611 OCuLink connection for PCIe x4 data transfer. It accepts drive lengths 2230, 2242, 2260 and 2280 and works with mainstream brands such as Samsung, WD, Crucial and Kingston. The board suits mini PC upgrades, DIY workstations and external NVMe storage projects.

PCIe x4 NVMe Protocol Support

The single specification that decides fit is the PCIe x4 NVMe protocol carried over the SFF-8611 OCuLink interface. Only M-key NVMe drives using this protocol will operate; M-key SATA drives, B-key drives or other interfaces will not function. The multi-layer PCB with impedance-matched wiring preserves signal integrity for consistent high-speed operation.

Dual Power Input for High-Wattage SSDs

An onboard Type-C power port and an included SATA to 4-pin cable provide two ways to feed the drive, preventing throttling or disconnection under heavy read-write loads. This headroom handles power-hungry NVMe models that exceed slot-only delivery. Builds without a spare SATA connector or a Type-C source cannot use the adapter.

How it compares

Measured against everything we stock in SATA, IDE & M.2 Drive Adapters, at today’s prices. Recalculated every night.

Price $12.99
Cheaper than about 87% of the 1,721 comparable items (median $22.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How does the PCIe x4 NVMe protocol perform when the drive is connected through the OCuLink riser?

The adapter carries the full PCIe x4 NVMe signal from an M.2 M-key SSD to the SFF-8611 OCuLink port, so the drive runs at its native four-lane speed without protocol conversion.

What does the SFF-8611 OCuLink interface limit in a real build?

The SFF-8611 OCuLink connector caps the link to four PCIe lanes and the mechanical length of the OCuLink cable, so bandwidth matches the drive's x4 NVMe maximum and cable routing must fit the connector footprint.

Which M.2 drive lengths fit the onboard standoffs and how is the board secured?

The PCB includes mounting points for 2230, 2242, 2260 and 2280 M-key NVMe SSDs; the drive screws into the matching standoff and the adapter itself plugs into an OCuLink host port or cable.

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