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JAENFONG SFF-8643 to SFF-8643 12G Internal Mini SAS HD Cable, with Sideband, for NVMe Backplane/RAID Card, Hot-Swap & SATA Compatibility, 100-Ohm, 0.5-m(1.6ft)

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  • The SFF-8643 connector is a compact, high-density interface for SAS and SATA devices. It supports up to 4 differential signal pairs (lanes), allowing for multiple data paths within a single connector. This makes it ideal for high-bandwidth applications like connecting SAS expanders, RAID controllers, or SAS/SATA hard drives and SSDs.
  • The cable is rated for 12Gbps data transfer speed per lane, which translates to a total aggregate bandwidth of 48Gbps(12Gbps × 4 lanes) across the entire cable. This high throughput ensures efficient data transfer for demanding storage applications requiring fast access times and large data volumes.
  • The cable measures 0.5 meters (or 1.6 feet) in length, making it a short-range interconnect solution suitable for close-proximity connections within a rack, chassis, or server. Shorter cables generally exhibit better signal quality and lower latency compared to longer ones, especially at higher data rates.
  • The specified impedance of 100 Ohms is a critical electrical characteristic that ensures proper signal integrity and minimizes signal loss or distortion over the length of the cable. Maintaining a consistent impedance throughout the cable and matching it to the connected devices is crucial for optimal performance at high speeds.
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  1. The SFF-8643 connector is a compact, high-density interface for SAS and SATA devices. It supports up to 4 differential signal pairs (lanes), allowing for multiple data paths within a single connector. This makes it ideal for high-bandwidth applications like connecting SAS expanders, RAID controllers, or SAS/SATA hard drives and SSDs.
  2. The cable is rated for 12Gbps data transfer speed per lane, which translates to a total aggregate bandwidth of 48Gbps(12Gbps × 4 lanes) across the entire cable. This high throughput ensures efficient data transfer for demanding storage applications requiring fast access times and large data volumes.
  3. The cable measures 0.5 meters (or 1.6 feet) in length, making it a short-range interconnect solution suitable for close-proximity connections within a rack, chassis, or server. Shorter cables generally exhibit better signal quality and lower latency compared to longer ones, especially at higher data rates.
  4. The specified impedance of 100 Ohms is a critical electrical characteristic that ensures proper signal integrity and minimizes signal loss or distortion over the length of the cable. Maintaining a consistent impedance throughout the cable and matching it to the connected devices is crucial for optimal performance at high speeds.


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