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Two short blue SFF-8643 Mini SAS HD cables with male connectors on both ends

Vszerda

Vszerda SFF-8643 to SFF-8643 Internal Mini SAS HD Cable, 0.8 m, 12 Gb/s, 2 Pack

SKU CH-MG8V-PK2JJ

Connects SAS controllers to backplanes at 12 Gb/s using SFF-8643 Mini SAS HD connectors with sideband support

  • TypeInternal Mini SAS HD Cable
  • Color2PC
  • Length0.8
  • Connector DetailSff-8643 to Sff-8643
  • Terminal GenderMale-to-Male
  • Speed12 gigabits_per_second
  • 12 Gb/s data rate for high-speed SAS 3.0 connectivity
  • SFF-8643 male-to-male connectors link controller cards to backplanes
  • 8 m length with 30 AWG ribbon cable improves chassis airflow
  • Supports SAS 2.1 and SAS 3.0 for 6 Gb/s to 12 Gb/s transitions
  • Two-cable pack provides spare or dual-channel deployment

Internal Mini SAS HD Cable

The Vszerda SFF-8643 to SFF-8643 cable connects SAS or RAID controllers to internal backplanes in servers and workstations. Each pack contains two 0.8-metre assemblies rated for 12 Gb/s across four lanes. Builders who need longer runs or external Mini SAS connectors will not be served by this product.

Thermals and Power Draw

The 30 AWG ribbon construction reduces bulk inside the chassis, allowing fans to move air more freely and helping to lower internal temperatures. Copper conductors carry signals without active circuitry, so the cable adds no heat or power draw of its own. No fan noise or electrical load is introduced.

Build Quality and Connectors

Male-to-male SFF-8643 ends lock securely into compatible HBAs, RAID cards and backplanes such as 16-bay or 216-bay enclosures. The 100-ohm impedance and SAS 2.1 or 3.0 compliance support reliable 12 Gb/s links. Buyers requiring SATA breakout cables or sideband-only variants should look elsewhere.

Highlights

  • 12 Gb/s data rate for high-speed SAS 3.0 connectivity
  • SFF-8643 male-to-male connectors link controller cards to backplanes
  • 8 m length with 30 AWG ribbon cable improves chassis airflow
  • Supports SAS 2.1 and SAS 3.0 for 6 Gb/s to 12 Gb/s transitions
  • Two-cable pack provides spare or dual-channel deployment

Specifications

Brandipolex
ModelCAB-8643-P80CM-2PCS
TypeInternal Mini SAS HD Cable
Color2PC
Length0.8
Connector DetailSff-8643 to Sff-8643
Terminal GenderMale-to-Male
Speed12 gigabits_per_second
ConductorCopper
FeaturesData Transfer

Questions about this item

How do I install the SFF-8643 cable and what step is often missed?

Connect the male SFF-8643 plugs to the controller and backplane, ensuring the sideband pins seat fully; the latch clicks only when the connector is square.

What maintenance or replacement will this cable need later?

The 30 AWG copper conductors and 100 Ohm impedance are rated for the chassis life; replace only if the latch breaks or the ribbon is kinked.

What limit appears first under sustained 12 Gb/s use?

The 0.8 m length and 30 AWG gauge set the signal-integrity ceiling; beyond spec-rated distances bit errors rise before thermal limits.

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