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Black 0.5m cable with Slimline SAS SFF 8654 4i 38Pin and Mini SAS HD SFF 8643 connectors

Vszerda

Vszerda PCIe 4.0 Slimline SAS SFF 8654 4i 38Pin to Mini SAS HD SFF 8643 Cable 0.5m

SKU CH-VAMG-C8ENE

Connects PCIe 4.0 Slimline SAS SFF 8654 4i 38Pin to Mini SAS HD SFF 8643 devices at 12Gbps using 30AWG copper with 10-ohm impedance, 0.5m length

  • PCIe 4.0 Slimline SAS SFF 8654 to Mini SAS HD SFF 8643 connectivity
  • Up to 12Gbps per channel for fast storage and RAID performance
  • 30AWG copper conductors deliver low resistance and clean signal quality
  • 10-ohm impedance design minimizes signal loss in high-performance systems
  • 5m length suits compact server rack cable management

Slimline SAS SFF 8654 to Mini SAS HD SFF 8643 cable

This 0.5 metre cable bridges PCIe 4.0 Slimline SAS SFF 8654 4i 38Pin ports to Mini SAS HD SFF 8643 connectors. It serves server builders and storage engineers who need a direct link between modern controllers and existing drive backplanes or RAID cards. The 30AWG copper conductors support high-density internal wiring without bulky adapters.

Thermals noise and power draw

As a passive copper assembly the cable adds no active heat, fan noise or power load to the chassis. Its 10-ohm impedance design preserves signal integrity at 12Gbps per channel, reducing retransmits that could otherwise increase controller workload. The slim black jacket routes cleanly alongside other loom runs in dense rack environments.

Upgrade path and when it matters

The cable replaces legacy Mini SAS HD to Mini SAS HD links when the host side moves to the narrower SFF 8654 interface. The jump is worth it when a new PCIe 4.0 controller or backplane adopts the 38-pin connector but the target enclosure still presents SFF 8643 ports. It is not for installations that require longer runs beyond the available 0.5m or 1m lengths.

Highlights

  • PCIe 4.0 Slimline SAS SFF 8654 to Mini SAS HD SFF 8643 connectivity
  • Up to 12Gbps per channel for fast storage and RAID performance
  • 30AWG copper conductors deliver low resistance and clean signal quality
  • 10-ohm impedance design minimizes signal loss in high-performance systems
  • 5m length suits compact server rack cable management

Specifications

No published specifications for this item yet.

Questions about this item

How do I connect the SFF 8654 38Pin end to the backplane without bending the pins?

Align the keyed SFF 8654 4i 38Pin connector with the backplane port, press straight in until the latch clicks, and avoid angling the plug which can bend the fine 30AWG copper pins.

Will the 30AWG copper conductors need replacement after repeated rack moves?

The 30AWG copper wires are rated for the cable's service life; inspect the latch and strain relief during maintenance, but no scheduled conductor replacement is required.

At what point does the 10-ohm impedance design limit sustained 12Gbps throughput?

The 10-ohm impedance is optimised for signal integrity at 12Gbps per channel; the practical limit is the 0.5m length, beyond which attenuation would increase.

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