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This item, 431958-B21, is the HP retail number for the product described as 146GB 2.5" SFF 3G Single Port SAS 10K RPM Hot Plug Hard Drive. Further details below.
This 431958-B21 is a small form factor 2.5 inch HP SAS hard drive, mounted in a universal hotplug tray. This is a genuine HP hard drive with HP firmware and is specifically for use in 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 431958-B21 hard drive has a capacity of 146 gigabytes and has a rotational speed of 10,000 (10k) rpm. The external data transfer rate is 3.0 gigabytes per second. This 146GB model is one of our most popular products.
431958-B21 is the option part number used by HP to reference this drive, but that part number won't appear anywhere on the drive. The HP spare number of 432320-001 will be visible on the label on the front of the tray. There are several model numbers and assembly numbers that are aggregated under the option part number 431958-B21. See the list below, or view thedocument for a complete listing.
These 431958-B21 drives are categorized as an HP 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. Theseare extremely reliable; Global One has experienced a mere 0.9% failure rate within the warranty period for these enterprise SAS drives.
If you are looking for the 15k version of this 431958-B21 drive, that is option part numberHP Option Part #: 431958-B21
HP Spare Part #:
Model #: DG146A3516, DG146A4960, DG146ABAB4
Assembly Part #: 431954-003, 438628-002, 443177-002
- Hard Drive Capacity: 146GB
- Generation: SAS
- External Data Transfer Rate: 3.0 GB/sec
- Rotational Speed: 10,000 rpm
- Form Factor (Drive): 2.5-inch low profile
- Interface: SAS (Serial Attached SCSI)
- Data Storage Device Type: SAS (Server Attached Storage) device
- Hard Drive Device Type: Hard drive for server/storage unit (Hot-plug)
- Height: 0.591"
- Width: 2.75"
- Hotswap Tray: Included (Attached)
Last Updated: 3/24/2017
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