This item, 872479-B21, is the HPE option part number for the product described as 1.2TB SAS 12G Enterprise 10K SFF (2.5in) SC Digitally Signed Firmware HDD. Further details below.

The 872479-B21 is a small form factor 2.5 inch HPE SAS hard drive, mounted in a universal hotplug smart carrier. This is a genuine HPE hard drive with HPE firmware and is specifically for use in certain HP Proliant servers and storage arrays. This is not a third party or generic drive. A sampling of compatible machines is found below but that list not complete. Feel free to contact us to verify compatibility with your machine. The 872479-B21 hard drive has a capacity of 1.2 terabytes and has a rotational speed of 10,000 (10k) rpm. The external data transfer rate is 12.0 gigabytes per second. This 1.2 TB model is one of our most popular products.

872479-B21 is the option part number used by HPE to reference this drive, but that part number won't appear anywhere on the drive. The HP spare number of 872737-001 will be visible on the label on the front of the carrier, shortened to '872737'. There are several model numbers and assembly numbers that are aggregated under the option part number 872479-B21. See the list below, or view the Hard Drive Model Number Matrix document for a complete listing.

These 872479-B21 drives are categorized as a SAS Enterprise hard drive. The Enterprise hard drives deliver high performance solutions for hosting high transaction based applications. They are ideal for mission critical server applications and external storage. These HP SFF SAS SmartDrives are extremely reliable; Global One has experienced a mere 0.7% failure rate within the warranty period for these enterprise SAS drives.

HPE Option Part #: 872479-B21
HPE Spare Part #: 872737-001
HPE Model #: EG001200JWJNQ
HPE Assembly Part #: 876938-002

Specifications:

• Hard Drive Type: Hot-swap hard drive
• Form Factor: 2.5" SFF
• Form Factor (metric): 6.4 cm SFF
• Form Factor (Short): 2.5"
• Form Factor (Short) (metric): 6.4 cm
• Storage Interface: Serial Attached SCSI 3
• Interface: Serial Attached SCSI 3
• Capacity: 1.2 TB
• Data Transfer Rate: 12 GBps
• Spindle Speed: 10000 revolutions per minute
• Bytes per Sector: 512
• Workload: Enterprise
• Features: Digitally Signed Firmware