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Green flat circuit board with M.2 connector on one end and OCuLink port on the other, 20cm flexible ribbon linking them

LetLinkSo

LetLinkSo LLS-CB-1MT1OC-01 M.2 to Oculink Adapter 20cm

SKU CH-CBS9-TVQ1J

Converts an M.2 slot to an OCuLink SFF-8611 port for eGPUs and SSDs at PCIe 4.0 x4 speeds

  • TypePCIe 4.0
  • StandardM.2 to Oculink 4i
  • Data Transfer Rate16 GT/s (per lane)
  • Core Speed16 GT/s (per lane)
  • CompatibilityPCIe 4.0
  • Specifications0.66 feet (20cm)

Length 0.66 ft / 20 cm

  • PCIe 4.0 x4 bandwidth up to 64 Gbps for high-speed external GPUs and SSDs
  • 20 cm flexible circuit fits tight laptop and mini-PC enclosures without signal loss
  • Board trimmable to 2230, 2242, 2260 or 2280 lengths for universal M.2 socket fit
  • Driver-free plug-and-play on Windows, Mac OS and Linux with included screwdriver and screw
  • Converts M.2 NVMe slot to OCuLink SFF-8611 4i host port for eGPU and storage expansion

Purpose & audience

This adapter converts an M.2 PCIe NVMe socket into an OCuLink SFF-8611 4i host port. It targets owners of laptops or mini PCs who want to attach an external GPU, a U.2 SSD or another PCIe expansion card without replacing the host system.

Deciding specification

The board carries a PCIe 4.0 x4 link rated at 16 GT/s per lane, delivering up to 64 Gbps of bandwidth. That single figure determines whether the adapter can saturate the device you plan to connect.

What the bundle changes

The package includes a screwdriver and a fixing screw, so the installer can trim the 22×80 mm PCB to 22×30 mm, 22×42 mm or 22×60 mm and secure it in 2230, 2242, 2260 or 2280 sockets. Driver-free operation on Windows, Mac OS and Linux means the hardware works immediately after a cold boot.

Points forts

  • PCIe 4.0 x4 bandwidth up to 64 Gbps for high-speed external GPUs and SSDs
  • 20 cm flexible circuit fits tight laptop and mini-PC enclosures without signal loss
  • Board trimmable to 2230, 2242, 2260 or 2280 lengths for universal M.2 socket fit
  • Driver-free plug-and-play on Windows, Mac OS and Linux with included screwdriver and screw
  • Converts M.2 NVMe slot to OCuLink SFF-8611 4i host port for eGPU and storage expansion

Caractéristiques

BrandLetLinkSo
SeriesM.2 to Oculink
ModelLLS-CB-1MT1OC-01
TypePCIe 4.0
StandardM.2 to Oculink 4i
Data Transfer Rate16 GT/s (per lane)
Core Speed16 GT/s (per lane)
CompatibilityPCIe 4.0
Specifications0.66 feet (20cm)
FeaturesExpand OCuLink Connectivity Effortlessly
Weight3.7 ounces
Package Contents1 x PCIe 4.0 M.2 to Oculink SFF-8612 Adapter

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Questions sur cet article

What does the 64Gbps PCIe 4.0 x4 bandwidth mean when the adapter is installed in a laptop or mini PC?

It provides full four-lane PCIe 4.0 throughput so an external GPU or NVMe SSD can run at up to 64Gbps instead of being limited to a single lane.

Which OCuLink standard does the SFF-8612 connector follow and what does it cap?

The SFF-8612 plug follows the OCuLink 4i standard and caps the link at PCIe 4.0 x4 speeds.

What M.2 socket lengths does the 22×80mm board support after trimming?

The board can be cut to fit 2230, 2242, 2260 and 2280 M.2 slots.

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