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CY Adapter PCI-Express 4.0 PCIE 1x to Oculink SFF-8612 SFF-8611 Host Card for U.2 SSD eGPU External Graphics Card Dock
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CY Adapter PCI-Express 4.0 PCIE 1x to Oculink SFF-8612 SFF-8611 Host Card

Bottom line: The CY Adapter PCI-Express 4.0 PCIE 1x to Oculink SFF-8612 SFF-8611 Host is a specs-and-price decision rather than a crowd-consensus one in the expansion cards category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Backed by CY's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

PCI-Express 4.0 PCIE 1x to Oculink SFF-8612 SFF-8611 Host Card for U.2 SSD eGPU External Graphics Card DockThis PCI Express 1x card expands the PC by one SFF-8612 interface, It can be connected e.g. one SSD/eGPU using an optional cable. The card transmits PCI Express signals using the PCIE4.0 protocol.Oculink is the next generation of high-speed internal and external I/O connectors for PCI-E, compatible with T10/ SAS-4 24 Gbps, SFF-8611, SFF-8612, PCIe Gen 3 and Gen 4.It can be connected e.g. one SSD or eGPU Graphics Card by using an optional cable. Suitable for small hosts, desktops…

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SpecPicks Verdict

SpecPicks scored CY Adapter PCI-Express 4.0 PCIE 1x to Oculink SFF-8612 SFF-8611 Host… using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. CY's expansion cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for expansion cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • This PCI Express 1x card expands the PC by one SFF-8612 interface, It can be connected e.g. one SSD/eGPU using an optional cable. The card transmits PCI Express signals using the PCIE4.0 protocol.Oculink is the next generation of high-speed internal and external I/O connectors for PCI-E, compatible with T10/ SAS-4 24 Gbps, SFF-8611, SFF-8612, PCIe Gen 3 and Gen 4.
  • It can be connected e.g. one SSD or eGPU Graphics Card by using an optional cable. Suitable for small hosts, desktops, laptops, etc. to convert PCIE sockets to Oculink sockets, with fixing holes for fixing.
  • It transmits PCI Express 4.0 signals using the PCIE protocol; Support PCIE 4.0 data transmission, Data transfer rate up to 64Gbps, Support connecting GPU graphics card, SSD, expansion card, etc., backward compatible with PCIE 3.0.
  • Transform your works with this cable adapter, facilitating integration of PCI-E into systems requiring OCuLink connection;Elevates your system's capabilities with our adapter, ensuring a stable and robusts connection investments without compromising on space or convenience.
  • Connectors:1xOCuLink SFF-8612 female and 1xPCI Express; with standard length and low profile bracket.

Full Specifications

BrandCY
StylePCI-E 1X to Single Oculink External
Connectors1xOCuLink SFF-8612 female and 1xPCI Express; with standard length and low profile bracket.
Style NamePCI-E 1X to Single Oculink External
Model NumberSF-057-OC01-HX
CompatibilityPC
Mfr Part NumberSF-057-OC01-HX
Number of Items1
Compatible DevicesU.2 SSD eGPU External Graphics Card
Hardware InterfacePCI Express x1
Full listing titleCY Adapter PCI-Express 4.0 PCIE 1x to Oculink SFF-8612 SFF-8611 Host Card for U.2 SSD eGPU External Graphics Card Dock

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CY Adapter PCI-Express 4.0 PCIE 1x to Oculink SFF-8612 SFF-8611 Host Card for U.2 SSD eGPU External Graphics Card Dock is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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CY Adapter PCI-Express 4.0 PCIE 1x to Oculink SFF-8612 SFF-8611 Host Card for U.2 SSD eGPU External Graphics Card Dock
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