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Small green circuit board with two silver SFF-8644 ports and two silver SFF-8643 ports, mounted on a low-profile metal bracket

Vszerda

Vszerda Dual Port SFF-8644 to SFF-8643 Adapter Low Profile Bracket

SKU CH-CWPW-Q339Q

Connects two external SFF-8644 ports to internal SFF-8643 connectors at up to 12Gb/s SAS with a low-profile bracket included

  • Dual ports connect external 8644 and internal 8643 devices
  • 12 Gb/s transfer rate meets SAS 2.1 specification
  • Low profile bracket fits compact chassis builds
  • Compatible with upcoming SAS 3.0 connector standard
  • PCBA female adapter enables host or device side use

Dual-port SFF-8644 to SFF-8643 adapter

This Vszerda adapter converts two external Mini SAS HD SFF-8644 ports to internal SFF-8643 connectors on a single PCBA. It is built for servers or workstations that need to link external SAS enclosures to an internal RAID controller or HBA. The bracket set includes both low-profile and standard-profile options for flexible mounting.

Verify connector gender and lane count

Confirm that your controller presents female SFF-8643 ports and that the external cables terminate in male SFF-8644 plugs. The adapter is passive, so it does not perform protocol conversion or signal regeneration. Ensure your SAS topology supports the intended device count without exceeding the controller’s lane budget.

Passive design adds no active cooling or power draw

The board draws no auxiliary power and generates negligible heat, so it does not affect system thermals or acoustic profile. It complies with the SAS 2.1 specification at 12 Gb/s and uses connectors designated for the SAS 3.0 standard. No fan, heatsink or external power connection is required.

How it compares

Measured against everything we stock in SATA, IDE & M.2 Drive Adapters, at today’s prices. Recalculated every night.

Price $36.99
Pricier than about 71% of the 1,721 comparable items (median $22.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Does the adapter ship with both low-profile and standard brackets, or do I need to buy a bracket separately?

The package includes both a low-profile bracket and a standard-profile bracket for installation.

Should I choose this dual-port SFF-8644 to SFF-8643 model or look for a single-port version?

This adapter provides two internal SFF-8643 ports and two external SFF-8644 ports for connecting multiple drives.

Will the 12 Gb/s rating deliver full speed with my SAS 2.1 controller?

The connectors meet the SAS 2.1 standard and are designed for 12 Gb/s SAS 3.0 speeds when used with compatible hardware.

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