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SlimSAS SFF-8654 8i to SFF-8643 8i breakout cable, 80 cm, low-profile connectors

SMUGDESK

SMUGDESK SAS 4.0 SlimSAS SFF-8654 8i to SFF-8643 8i 80cm cable

SKU CH-DWF0-CA8FK

Connects a 74-pin Slimline SFF-8654 8i controller to a 36-pin SFF-8643 8i backplane at 24 Gbps per channel over 80 cm with multi-layer shielding

  • Supports 24Gbps data rates with SAS 4.0 compliance
  • Low-profile SFF-8654 74-pin connector saves chassis space
  • 80cm fixed length fits compact SFF server layouts
  • Multi-layer shielding cuts crosstalk for stable signals
  • Gold-plated contacts resist oxidation in 24/7 operation

SAS 4.0 24 Gbps breakout cable

This SlimSAS breakout cable links a Low Profile SFF-8654 8i 74-pin host connector to an SFF-8643 8i 36-pin Mini SAS HD target connector. Built to the SAS 4.0 specification, it supports up to 24 Gbps per channel for high-bandwidth internal storage links. The 80 cm fixed length suits compact SFF server and rackmount chassis layouts. Enterprise environments requiring reliable controller-to-backplane connectivity are the intended users.

Low-profile shielded construction

Multi-layer braided shielding and high-purity oxygen-free copper conductors reduce crosstalk and signal attenuation during continuous operation. Gold-plated contact pins resist oxidation and maintain firm insertion cycles in high-temperature server environments. The low-profile SFF-8654 header conserves internal space, easing routing in dense storage enclosures and NAS appliances. Connectors are designed for frequent plugging without degradation.

Verify controller and backplane ports

Confirm the host side presents an SFF-8654 8i 74-pin Slimline receptacle and the backplane or expander provides an SFF-8643 8i 36-pin Mini SAS HD port. Ensure 80 cm reach matches your chassis routing path without strain. This cable does not convert between SAS and other protocols, so both endpoints must speak SAS. Buyers needing a different pin count, connector orientation or longer reach cannot use this part.

Highlights

  • Supports 24Gbps data rates with SAS 4.0 compliance
  • Low-profile SFF-8654 74-pin connector saves chassis space
  • 80cm fixed length fits compact SFF server layouts
  • Multi-layer shielding cuts crosstalk for stable signals
  • Gold-plated contacts resist oxidation in 24/7 operation

Specifications

No published specifications for this item yet.

Questions about this item

What does the SAS 4.0 standard cap the cable at in practice?

The cable supports up to 24 Gbps per channel under the SAS 4.0 specification.

What physical connectors and length does this 80 cm cable need to fit?

One end is a Low Profile SFF-8654 8i 74-pin Slimline header, the other is an SFF-8643 8i 36-pin Mini SAS HD connector.

How is this breakout cable installed, and what step do people get wrong?

Align the 74-pin Slimline plug with the controller header and the 36-pin Mini SAS HD plug with the backplane, then press both straight in until the latches click; forcing at an angle bends the gold-plated pins.

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