HP 326773-001 48x Speed IDE CD-ROM Drive. PATA/IDE interface optical drive rated for 48x CD-ROM reading speed. Form factor: 5.25-inch internal bay. Typical throughput approximately 7.2 MB/s at maximum speed. Compatible with legacy server and workstation systems supporting standard IDE/PATA connections, including HP ProLiant servers from the late 1990s through early 2000s. Commonly deployed for system software installation, BIOS updates, and firmware provisioning in data center environments where optical media support remains required. Part Number 326773-001 offers cost-effective media access for legacy infrastructure maintenance and support operations. Tested and guaranteed; available via quote.