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785101-B21 — Storage Datasheet

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HPE · DRIVE SFF
WHAT YOU NEED TO KNOW
SAS backplane accepts SATA drives (not vice versa) Buy with tray when possible — saves cost vs separate tray
ALWAYS ASK: "Does it come with tray/caddy?"
PRODUCT OVERVIEW

HP 450Gb SAS 12G 15K 512n SFF HDD - Bare Drive. Key specifications include Generation: 12th Gen. The unit ships in a SFF form factor suitable for standard rack-mount installations.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
SFF BAY→ 785101-B21
SPECIFICATIONS
Generation12th Gen
COMPONENT DIAGRAM
LATCH 450GB SAS 15K RPM 785101-B21 SAS CONN WITH TRAY — HOT-PLUG READY Tray: See server gen 450GB SAS 15K RPM 785101-B21 BARE DRIVE — NO LATCH Needs caddy/tray to install 2.5" (70 x 100mm) SFF 2.5" DRIVE | 450GB | SAS 15K RPM Always ask: "Does it come with tray/caddy?" | Tray PN varies by server generation TITLE SFF 2.5" DRIVE PN 785101-B21 CAP 450GB SAS
KEY FEATURES
•
SFF Form Factor
•
450GB Capacity
•
15K RPM Speed
TYPICAL APPLICATIONS
  • Enterprise storage arrays and SANs
  • Direct-attached storage (DAS) expansion
  • Database tier storage (OLTP, OLAP)
  • Virtual machine datastore expansion
  • Backup-to-disk and disaster recovery targets
  • Content delivery and media streaming storage
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
785408-001Compatible
HP 450GB SAS 12G 15k 512n SFF St HDD
compatible
B9F31ACompatible
HP 450GB SAS 12G 15K 512n SFF ST HDD for Integrity rx2800
compatible
744995-002Compatible
HP 450Gb SAS 12G 15K 512n SFF HDD - Bare Drive
compatible
748385-002Compatible
HP 450Gb SAS 12G 15K 512n SFF HDD - Bare Drive
compatible
759202-002Compatible
HP 450Gb SAS 12G 15K 512n SFF HDD - Bare Drive
compatible
759221-004Compatible
HP 450Gb SAS 12G 15K 512n SFF HDD - Bare Drive
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 2
B9F31ASUBSTITUTE
HP 450Gb SAS 12G 15K 512n SFF ST HDD
HPE
785408-001SUBSTITUTE
HP 450Gb SAS 12G 15K 512n SFF ST HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 785101-B21?
785101-B21 is a HP 450Gb SAS 12G 15K 512n SFF HDD - Bare Drive manufactured by HPE.
What parts can replace 785101-B21?
There are 11 known substitutes for 785101-B21: 785408-001, B9F31A, 744995-002 and 8 more. Substitute compatibility should be verified for your specific system.
Is 785101-B21 still available?
785101-B21 is currently Unknown.
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Last verified: September 2026