HPE HP EXT 4.0M Minisas HD to Minisas HD CBL - 716199-B21

HPE 716199-B21 4-Meter Mini-SAS HD to Mini-SAS HD External SAS Cable

Overview

The HPE 716199-B21 is a 4-meter external SAS cable using SFF-8644 (Mini-SAS HD) connectors on both ends, designed to connect compatible HPE servers and storage enclosures where direct-attach SAS bandwidth is required across rack or row distances. At 4 meters, it covers full-rack separation between a host HBA or RAID controller and an external storage networking enclosure without requiring signal conversion or active components.

If you are sourcing cables for an HPE server and storage environment, verifying the SFF-8644 port availability on both the host controller and the target enclosure before ordering is the essential first step. SFF-8644 is the external HD Mini-SAS form factor — distinct from the internal SFF-8087 and SFF-8643 connectors, which are not compatible with this cable.

Key Features

• SFF-8644 on Both Ends: The 4x HD Mini-SAS connector supports up to 4 SAS lanes per end. Both the host and target must expose external SFF-8644 ports — confirm this before ordering, as internal SFF-8643 ports require a different cable entirely.
• 4-Meter Reach (716199-B21): Four meters of external cable length handles cross-rack and adjacent-rack runs in standard 1-meter-deep row configurations. If you need shorter runs, HPE offers this cable family in alternate lengths — match length to your actual rack layout to avoid coiling excess cable in cramped enclosures.
• External SAS Architecture: Direct-attach SAS via an external cable keeps latency lower than fabric-switched alternatives and eliminates the need for additional network infrastructure — the right call for dedicated storage expansion that doesn't need shared access.

Integration & Compatibility

The 716199-B21 (often searched as 716199 B21) is designed for use with HPE RAID controllers and HBAs exposing external SFF-8644 ports and HPE external storage enclosures with matching SFF-8644 interfaces. Verify your specific controller card and enclosure model support SFF-8644 external connectivity. Consult your infrastructure cabling guide or HPE compatibility matrix for confirmed pairings before deployment.

Frequently Asked Questions

Q: What connector type does the 716199-B21 use on both ends?

A: Both ends use SFF-8644 (4x HD Mini-SAS external) connectors. This is the external HD Mini-SAS standard — not compatible with internal SFF-8087 or SFF-8643 connectors.

Q: How long is the 716199-B21 cable?

A: The 716199-B21 is 4 meters (approximately 13.1 feet) in length, suited for cross-rack or adjacent-rack server-to-storage runs.

Q: Is the 716199-B21 an internal or external SAS cable?

A: It is an external SAS cable, using SFF-8644 external Mini-SAS HD connectors. It is not intended for internal chassis routing.

Q: What HPE products is the 716199-B21 compatible with?

A: It is designed for use with HPE RAID controllers and HBAs featuring external SFF-8644 ports, and HPE external storage enclosures with SFF-8644 interfaces. Consult the HPE compatibility matrix for your specific controller and enclosure models.

James Everett

The HPE 716199-B21 comes up most often in external storage expansion scenarios where you need a reliable 4-meter SFF-8644-to-SFF-8644 run between an HPE RAID controller and a JBOD or external storage enclosure. The 4-meter length is the detail that matters most here — it covers the practical distance between a compute row and an adjacent storage row without going active.

Technical Highlights:

• SFF-8644 External Connector: The HD Mini-SAS external standard supports up to 4 SAS lanes per connector — enough bandwidth for dense drive enclosures without lane-splitting or multi-cable runs.
• 4-Meter Cable Length: At 4m, this handles full-rack-height plus cross-row runs in standard data center layouts. Shorter HPE variants exist — only order this length if the physical distance actually requires it; coiled excess cable in a cramped rack is a cable management problem waiting to happen.
• Passive External Cable Design: No active components, no drivers, no configuration — plug-and-play once connector compatibility is confirmed. Reduces failure points compared to active copper or optical alternatives at this distance.

Deployment Considerations:

• Confirm SFF-8644 external port availability on both the host HBA/RAID controller and the storage enclosure before ordering — SFF-8643 (internal HD Mini-SAS) ports require a completely different cable and are not interchangeable.
• Four meters is the maximum length available in this HPE cable option — if your layout requires less, source the shorter variant to avoid cable management issues in tight enclosures.

This cable is the right choice for HPE direct-attach external storage expansion in data center rows where the controller and JBOD sit in adjacent or nearby racks and both expose SFF-8644 external ports — a clean, passive connection with no infrastructure overhead.