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MiniHD SFF8643 plug splitting into four labelled SATA connectors, shielded cable, latching ends

SMUGDESK

SMUGDESK MiniHD SFF8643 to 4×SATA Reverse Breakout Cable 12Gbps

SKU CH-1QAZ-MPCGR

Connects a MiniHD SAS backplane to four motherboard SATA ports at 12 Gbps with reverse pinout and locking connectors

  • Reverse pinout connects motherboard SATA to server backplane
  • 12 Gbps SAS 3.0 bandwidth for multi-disk arrays
  • Latching SFF-8643 and SATA locks resist vibration
  • Shielded construction cuts EMI in rackmount chassis
  • Labeled P1-P4 branches speed up channel identification

Reverse Breakout Cable for Server Backplanes

This SMUGDESK MiniHD SFF8643 to 4×SATA cable is a reverse-definition breakout designed for internal server chassis. The SFF8643 end connects to a MiniHD SAS server backplane as the target port while four SATA 7-pin connectors link to motherboard onboard SATA interfaces. It supports 12Gbps SAS3.0 bandwidth for multi-disk arrays and NAS deployments. Builders needing a forward breakout for RAID or HBA controllers cannot use this cable.

Installation Notes and Common Issues

Latching locking connectors on both ends secure the link during continuous 24-hour server runtime. Labeled P1–P4 branches on the SATA side simplify channel identification while wiring the chassis. Multilayer shielding suppresses electromagnetic noise that can cause disk detection failures. The most frequent error is plugging the SFF8643 end into a RAID or HBA controller, which will not work because the pinout is reversed.

Compatibility Checks Before Ordering

Verify that your hardware specifically requires a reverse pinout definition where the backplane acts as the target and the motherboard SATA ports act as the host. Confirm the backplane uses a MiniHD SFF8643 interface and that the motherboard provides four standard SATA 7-pin ports. This cable is designed strictly for internal server chassis use and will not function with forward-breakout controller applications.

Highlights

  • Reverse pinout connects motherboard SATA to server backplane
  • 12 Gbps SAS 3.0 bandwidth for multi-disk arrays
  • Latching SFF-8643 and SATA locks resist vibration
  • Shielded construction cuts EMI in rackmount chassis
  • Labeled P1-P4 branches speed up channel identification

Specifications

No published specifications for this item yet.

Questions about this item

How can I verify the 12Gbps link is active after wiring the SFF8643 end to my backplane?

Check the motherboard BIOS or HBA utility for each SATA port to confirm a 12Gbps SAS3.0 negotiation and that all four drives are detected without errors.

What connectors are included and is any extra hardware required?

The cable provides one SFF8643 MiniHD plug and four SATA 7-pin plugs labeled P1-P4; no additional adapters or brackets are needed for internal chassis installation.

Which version should I choose for a server backplane that expects a target-port pinout?

Select this reverse-definition breakout; the SFF8643 end is wired as a target for the backplane while the four SATA ends connect to motherboard host ports.

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