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A 30cm flat cable with an M.2 M-key plug on one end and an Oculink SFF-8612 socket on the other

Fervit

Fervit M.2 M-Key to Oculink SFF-8612 Cable 30cm with Bracket

SKU CH-2B2K-Y05Q0

A 30 cm adapter cable converts a 2280 M-Key slot to an OCuLink SFF-8612 female port with low-profile and standard brackets included

  • Adds a 30 cm OCuLink SFF-8612 port to an M.2 2280 M-Key slot
  • Supports PCIe 4.0 and NVMe 1.2 at up to 64 Gbps
  • Includes 8 cm low-profile and 12 cm standard brackets for flexible mounting
  • Backward compatible with PCIe 3.0 for wider device support
  • Connects SSDs, eGPUs or expansion cards via optional cable

M.2 M-Key to Oculink Adapter

This 30cm cable adds a single SFF-8612 Oculink female port to a 2280 M-Key slot. It includes both an 8cm low-profile bracket and a 12cm standard bracket with fixing holes for secure installation. The adapter suits small hosts, desktops and laptops that need an Oculink connection for an NVME SSD or eGPU graphics card. Builders converting an internal M.2 socket to an external high-speed interface will find it a direct fit.

Thermals Noise and Power

The passive cable assembly has no active components, so it adds no fan noise and draws no additional power beyond the host slot. Signal integrity is maintained for PCIe 4.0 at up to 64Gbps while remaining backward compatible with PCIe 3.0. Because the adapter only routes differential pairs, operating temperatures follow the host chassis airflow without creating a new thermal zone. No cooling consideration beyond normal case ventilation is required.

Build Integration Requirements

The male M.2 Key M connector occupies one 67-pin 2280 slot, while the female SFF-8612 port accepts a standard Oculink cable to reach a GPU, SSD or expansion card. Both bracket heights are supplied, letting the installer match low-profile or full-height chassis cutouts. The 30cm length keeps routing tidy inside compact enclosures and leaves the remaining M.2 or PCIe slots free for other devices. An optional Oculink cable is required to complete the link to the target peripheral.

Highlights

  • Adds a 30 cm OCuLink SFF-8612 port to an M.2 2280 M-Key slot
  • Supports PCIe 4.0 and NVMe 1.2 at up to 64 Gbps
  • Includes 8 cm low-profile and 12 cm standard brackets for flexible mounting
  • Backward compatible with PCIe 3.0 for wider device support
  • Connects SSDs, eGPUs or expansion cards via optional cable

Specifications

BrandFervit

Questions about this item

How do I fit the 30cm M.2 M-Key to OCuLink SFF-8612 cable and which bracket screws do I use?

Insert the 67 pin M.2 Key M male connector into your 2280 M-Key slot at a slight angle then press down and secure with the motherboard standoff screw. Choose the 8cm low-profile bracket for slim cases or the 12cm standard bracket for full-height slots, aligning the fixing holes before tightening.

Will the SFF-8612 female port or the M.2 edge connector wear out first with repeated drive swaps?

The SFF-8612 female port is rated for fewer mating cycles than the M.2 edge connector so it will show contact wear first if you frequently attach and detach OCuLink cables.

At what point does the 64Gbps PCIe 4.0 link hit a thermal or signal ceiling during sustained NVMe or eGPU loads?

The 30cm length keeps signal loss low but the cable has no active cooling so prolonged 64Gbps transfers can heat the conductors enough to trigger throttling before the PCIe 4.0 spec limit is reached.

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