DELOCK PCIe 4.0 Slim SAS SFF-8654 to 2× SFF-8644 (4i) cable 0.5 m

DELOCK PCIe 4.0 Slim SAS SFF-8654 to 2× SFF-8644 (4i) cable 0.5 m is a compact external SAS link designed to connect a host adapter or RAID controller with an SFF-8654 (8i) port to two SFF-8644 (4i) devices. With PCIe 4.0 compatibility and a 0.5 m length, the slim cable is intended for use in server and workstation environments where high-speed data transfer and tight cable routing are required. The cable’s form factor reduces clutter and allows easier installation in dense racks and small chassis while maintaining multi-lane SAS connectivity.

Advantages

The slim design minimizes physical space and improves airflow in constrained enclosures without sacrificing signal integrity. PCIe 4.0 compatibility ensures support for high-bandwidth SAS/SATA links, enabling reliable multi-lane transfer between host adapters and target devices. Dual SFF-8644 outputs provide split connectivity from a single SFF-8654 input for flexible device arrangements. The 0.5 m length is suited to short cable runs where minimal excess cable is preferred.

Suitable for

• Connecting a server or workstation host adapter/RAID controller with SFF-8654 to two SFF-8644 drives or expanders
• High-density rack or small chassis installations requiring compact SAS cabling
• Multi-lane SAS/SATA setups where PCIe 4.0 bandwidth is needed
• Short internal or external cable runs between controller and device bays

Key specifications

• Connector A: SFF-8654 (8i) slim external SAS connector
• Connector B: 2 × SFF-8644 (4i) slim external SAS connectors
• Length: 0.5 meters
• Standard compatibility: PCIe 4.0 capable signaling for high-speed SAS/SATA links
• Cable type: Slim external SAS, multi-lane differential pairs
• Suitable environment: Server and workstation enclosures, rack-mounted systems

How to use

Identify the SFF-8654 port on the host adapter or RAID controller and align the cable’s SFF-8654 connector with the port, ensuring correct orientation before seating. Connect the two SFF-8644 connectors to the target devices such as drive enclosures, expanders, or direct-attach drive bays. Avoid sharp bends near the connector ends; maintain gentle cable routing. Verify that system firmware and controller drivers support the intended SAS/SATA configuration and multi-lane operation before powering on the system.

Recommendations

Use the cable for short runs inside racks or between adjacent chassis where a slim external SAS link reduces clutter. Keep cable bends within manufacturer bend-radius guidance, secure the cable to prevent strain on connectors, and ensure airflow is not obstructed in server environments. Confirm compatibility of connected devices with PCIe 4.0 signaling if maximum throughput is required.