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Black PCIe x16 adapter card with Oculink SFF-8612 connector

LetLinkSo LLS-CD-1PC1OC-02 PCIe 4.0 x16 to Oculink SFF-8612 data adapter

SKU CH-YW6G-0WTYX MPN LLS-CD-1PC1OC-02

Adds an Oculink SFF-8612 x4 port via PCIe 4.0 x16 for NVMe SSDs or eGPUs at 256 Gbps

  • Cable length3.048 L x 14.3002 W x 20.2184 H centimeters
  • First connectorPci x 16
  • Second connectorEnterprise-Level
  • Connector genderEnterprise-Level
  • Connector typePci x 16
  • Units per package1
  • Adds Oculink SFF-8612 x4 connectivity via PCIe 4.0 x16 slot
  • Delivers 256 Gbps total bandwidth at 16 GT/s per lane
  • Welded connector housing secures the PCB for durable plug cycles
  • Supports bootable NVMe devices for flexible system startup
  • Works driver-free on Windows, Windows Server and Linux

Expanded Oculink connectivity

The LetLinkSo LLS-CD-1PC1OC-02 adapter adds an Oculink SFF-8612 x4 interface through a PCIe 4.0 x16 slot, letting you attach NVMe SSDs or eGPUs with an SFF-8611 cable. It is aimed at builders who need extra high-speed device ports on a desktop platform. The card requires the motherboard to support and be configured for PCIe x4x4x4x4 bifurcation in the BIOS before it will function.

Thermals noise and power

The adapter is a passive printed-circuit board with no active cooling, so it adds no fan noise and draws negligible power from the slot. Its welded connector housing reinforces the PCB joint, reducing mechanical stress during repeated plug and unplug cycles. Physical dimensions are 3.048 L x 14.3002 W x 20.2184 H centimeters and mass is 0.127 kilograms.

Boot support and driverless use

The card supports bootable NVMe devices, giving more flexibility for system startup configurations. No driver installation is required; it works plug-and-play with Windows, Windows Server and Linux. The package contains a single adapter card and no additional cables or software utilities.

How it compares

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

Price $59.99
Pricier than about 90% of the 354 comparable items (median $21.99).

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Specifications

Product
Brand nameLetLinkSo
Product linePCIe x16 to Oculink
Model nameLLS-CD-1PC1OC-02
Part numberLLS-CD-1PC1OC-02
Product typeBlack
Product colorBlack
Ports & slots
First connectorPci x 16
Second connectorEnterprise-Level
Connector genderEnterprise-Level
Connector typePci x 16
Size & build
Cable length3.048 L x 14.3002 W x 20.2184 H centimeters
Product weight3 oz
In the box
Units per package1
In the box1, false

Questions about this item

How do I install the LetLinkSo LLS-CD-1PC1OC-02 adapter, and what step do people often miss?

Insert the card into a CPU-direct PCIe x16 slot, then enable PCIe x4x4x4x4 bifurcation in the motherboard BIOS before booting; the bifurcation setting is the step most users forget.

What maintenance or replacement will the LetLinkSo LLS-CD-1PC1OC-02 need later?

The welded connector housing is designed for repeated plug-unplug cycles with SFF-8611 cables, so no scheduled maintenance is required; only replace the adapter if physical damage occurs.

What limit appears first on the LetLinkSo LLS-CD-1PC1OC-02 under sustained use?

The PCIe 4.0 x16 interface caps aggregate throughput at 256 Gbps, so sustained workloads will hit that bandwidth ceiling before any thermal or connector limit.

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