Agilent/Keysight C6388B

The Agilent/Keysight C6388B is a 4.2 GB external SCSI hard disk drive engineered for HP/Agilent/Keysight test and measurement platforms. This Wide SCSI storage device delivers sustained performance in laboratory and enterprise environments with 40 MB/s synchronous transfer rates and 7200 RPM spindle speed.

Technical Specifications

• Capacity: 4.2 GB


• Interface: Wide SCSI Single-Ended, Dual High-Density 68-pin connector


• Transfer Rate: 40 MB/s Synchronous


• Spindle Speed: 7200 RPM


• Cache: 512 KB


• Access Time: 7.4 ms (Read), 8.1 ms (Write)


• MTBF: ≥1,000,000 hours


• Power Input: 100-240 V AC, 50/60 Hz, 1.2 A max


• Typical Current Draw: 0.4 A–0.2 A


• Heat Dissipation: 22 W (75 BTU/hr)


• Dimensions: 62 mm H × 215 mm W × 273 mm D


• Weight: 2.8 kg (6.1 lbs)

Key Features

• One million-hour MTBF rating ensures high availability in measurement systems


• Vertical mounting capability with included stand accommodates space-constrained installations


• Wide SCSI interface supports synchronized data transfers at 40 MB/s


• Low thermal footprint (22 W) suited for enclosed equipment racks

Typical Applications

• Boot and data storage for HP 9000 Workstations and Servers (HP-UX 10.10+)


• Data disk expansion for HP-UX 9.XX through 10.01 systems


• Archival storage in test automation and measurement environments

Compatibility & Integration Supported on HP 9000 Workstations and Servers. Functions as data disk only with HP-UX 9.XX–10.01; operates as data or boot disk with HP-UX 10.10 and above. Dual High-Density 68-pin connectors ensure compatibility with wide SCSI backplanes and host adapters in legacy HP systems.