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Low-profile SlimSAS to U.3 SFF-8639 Gen4 cable

ASRock Rack

ASRock Rack Low profile SlimSAS TO U.3 SFF-8639 Gen4 cable server accessory

SKU CH-7JDK-J8FYB MPN Low profile SlimSAS TO U.3

A low-profile cable that connects SlimSAS to U.3 SFF-8639 Gen4 devices

  • Product typeCable
  • Key featuresLow profile SlimSAS TO U.3 SFF-8639 Gen4 cable
  • Low-profile design fits tight server chassis
  • SlimSAS connector links to U.3 SFF-8639 drive bays
  • Gen4 cable supports high-speed data transfer
  • ASRock Rack build quality for reliable operation
  • First listed by manufacturer July 13, 2022

Server cable for dense chassis

The ASRock Rack Low profile SlimSAS TO U.3 connects a SlimSAS port to a U.3 SFF-8639 drive bay. It is built for server integrators who need a Gen4 link inside a low-profile enclosure. The cable satisfies the SFF-8639 mechanical and electrical interface.

Low-profile routing for tight spaces

A slim connector hood keeps the assembly flush against the backplane, leaving clearance for adjacent cards or airflow guides. The Gen4 rating preserves full signal integrity across the link without requiring a taller right-angle adapter. Installers can route the cable in 1U or 2U systems where standard-height ends would collide with the chassis lid.

Replaces taller Gen4 or Gen3 assemblies

This cable upgrades any existing SlimSAS-to-U.3 loom that exceeds the low-profile height budget. The jump is worth it when a chassis refresh demands a slimmer profile but the backplane and drive carrier remain unchanged. It does not suit builds that require a different drive connector or a longer reach than the fixed length provides.

How it compares

Measured against everything we stock in Drive Cages & Server Add-Ons, at today’s prices. Recalculated every night.

Price $28.99
Cheaper than about 80% of the 1,119 comparable items (median $74.99).

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Specifications

Product
Brand nameASRock
Model nameLow profile SlimSAS TO U.3
Product typeCable
Size & build
Shipping weight0.05 kg
Package size191 × 178 × 13 mm

Questions about this item

What PCIe generation does the SlimSAS SFF-8639 Gen4 cable support?

The cable is rated for PCIe Gen4 signalling between the SlimSAS and U.3 SFF-8639 connectors.

What chassis clearance does the low-profile SlimSAS end require?

The low-profile SlimSAS connector is designed for tight server backplanes and 1U rackmount shelves.

Which orientation do the SlimSAS and U.3 ends need during installation?

Align the keyed SlimSAS plug and the SFF-8639 latch before pressing both ends firmly until they click.

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