Mini SAS SFF-8643 Internal Cable

🔌 Overview

📐 Connector Type

• Connector: SFF-8643

• Internal Mini-SAS HD (High Density)

• 36-pin connector

• Compact form factor with a latching mechanism

🚀 Performance Specs

• Supported Protocols:

• SAS 3.0 (12 Gbps per lane)

• Backward compatible with SAS 2.0 and SATA 6G

• Lane Configuration

• 4 lanes per connector

• Up to 48 Gbps total throughput (4 x 12 Gbps)

• Impedance 100 Ohms differential

• Data Transfer Rate

• SAS 3.0: up to 12 Gbps per channel

• Also used for SATA connections at 6 Gbps

• Cable Gauge Typically 30 AWG or 28 AWG

• Shielding

• Individually shielded twisted pairs

• Overall foil and braid shielding for EMI reduction

🧰 Use Cases

• Connecting

• RAID controller to a backplane

• HBA (Host Bus Adapter) to SAS/SATA drives

• Expander boards or U.2 drive enclosures

• Often used in servers and enterprise storage systems

📏 Common Lengths

• 0.3m, 0.5m, 0.75m, 1.0m

(Lengths vary depending on signal integrity and enclosure layout)