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Short black cable with one SFF-8643 plug splitting to four SATA 7-pin connectors

Vszerda

Vszerda Mini SAS SFF-8643 1-to-4 SATA 7Pin 0.5m Cable

SKU CH-EWAJ-9NES1

Connects four SATA drives to a Mini SAS HD SFF-8643 controller at up to 6 Gb/s over a 0.5 m copper cable

  • TypeMini-SAS
  • Length50
  • Connector DetailSff-8643
  • Terminal GenderMale-to-Female
  • Speed6 gigabits_per_second
  • ConductorCopper
  • Connect four SATA drives via one Mini SAS HD SFF-8643 port
  • 6 Gb/s data rate supports SAS 2.1 specification
  • 5 m length fits tight server chassis
  • Copper conductors ensure reliable signal integrity
  • Forward-compatible connectors ready for SAS 3.0 at 12 Gb/s

Host-to-drive fanout

This Vszerda cable splits a single Mini SAS HD SFF-8643 host port into four SATA 7-pin device connectors. It lets a server or RAID controller attach up to four SATA hard drives or SSDs over an internal 6 Gb/s SAS link. The 0.5 m copper assembly is built for inside-the-chassis routing in storage arrays and workstations. Builders expanding drive counts on a Mini SAS HD backplane or HBA will find the 1-to-4 layout a direct fit.

Signal integrity and thermal load

Copper conductors carry the 6 Gb/s Serial Attached SCSI stream without active electronics, so the cable adds no measurable heat or power draw to the system. Passive operation means zero fan noise and no extra load on the power supply. The SFF-8643 interface follows the SAS 2.1 high-density specification, and the connectors are forward-compatible with the SAS 3.0 generation rated for 12 Gb/s when that standard ships.

Build integration

The male SFF-8643 host plug seats in any Mini SAS HD controller port, while the four female SATA 7-pin tails connect directly to drive backplanes or individual drives. At half a metre the length suits compact 2U or 4U enclosures without leaving excess slack that blocks airflow. Users needing longer runs, external bulkhead connections, or SAS device endpoints instead of SATA will need a different cable assembly.

Highlights

  • Connect four SATA drives via one Mini SAS HD SFF-8643 port
  • 6 Gb/s data rate supports SAS 2.1 specification
  • 5 m length fits tight server chassis
  • Copper conductors ensure reliable signal integrity
  • Forward-compatible connectors ready for SAS 3.0 at 12 Gb/s

Specifications

Brandchenyang
ModelSF-074-0.5M
TypeMini-SAS
Length50
Connector DetailSff-8643
Terminal GenderMale-to-Female
Speed6 gigabits_per_second
ConductorCopper
Features1-to-4

Questions about this item

How do I install the SFF-8643 host connector and which step is often missed?

Align the keyed SFF-8643 plug with the controller port and push until the latch clicks; the step often missed is verifying all four SATA 7-pin ends seat fully into each drive backplane.

What maintenance or replacement will this 0.5m copper cable need later?

No scheduled maintenance is required; replace the cable only if the SFF-8643 latch breaks, a SATA 7-pin connector bends, or signal errors appear under sustained 6 Gb/s loads.

What limit appears first when four drives run sustained transfers at 6 Gbps?

The aggregate 6 Gb/s SAS 2.1 bandwidth shared across the four SATA 7-pin targets becomes the bottleneck before the 0.5m copper length or connector rating.

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