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What types of cables are used for SFF8639 (U.2) adapter extension cables? What are the differences?

PCIe High-Speed Dedicated Cable

Bus supports M.2 (M-key) or PCIe x4

Maximum bandwidth PCIe 3.0 x4

Maximum cable length 5-100 cm (customizable)

Hardware structure with reinforced soldering points, sufficient core wires, and power lines. NVME SSD can be directly connected to the motherboard via the PCIe high-speed cable, providing excellent compatibility.

 

SFF-8643 Adapter Cable

Bus supports SFF-8643 (M2 board available for purchase)

Maximum bandwidth PCIe 3.0 x4

Maximum cable length 35-60 cm (fixed length)

Hardware structure with integrated core wires and connectors, designed for additional M.2/PCIe secondary conversions, but may cause signal attenuation.

 

PCIe Adapter Board

Bus supports PCIe x4 (full-height)

Maximum bandwidth PCIe 3.0 x4

Maximum cable length no cable design on the PCBA

Hardware structure without cable design, suitable for larger cases, not compatible with small form factor cases.

 


Post time: Aug-03-2023