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Technical Data Sheet
PartsTable / STORAGE_HDD / 737261-B21
737261-B21 ✓ Verified by PartsTable
HP · STORAGE_HDD · 3.5_SAS_HDD
WHAT YOU NEED TO KNOW
SAS backplane supports SATA, not vice versa NL-SAS = SAS protocol at nearline (7.2K) speed — NOT SATA
Gen8 LFF tray ≠ Gen10 tray — different screw holes
PRODUCT OVERVIEW
HP 300GB 12G SAS 15K 3.5IN SCC ENT HDD

HP 300GB 12G SAS 15K 3.5IN SCC ENT HDD. Key specifications include RPM: 10,000, Cache: 128MB, Capacity: 1.2TB, Interface: SAS 12Gbps, Form Factor: 2.5-inch. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
STORAGE_HDD→ 3.5_SAS_HDD→ 737261-B21
SPECIFICATIONS
RPM10,000
Cache128MB
Capacity1.2TB
InterfaceSAS 12Gbps
Form Factor2.5-inch
COMPONENT DIAGRAM
RELEASE LATCH 300GB NL-SAS 15K RPM 737261-B21 HP NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 300GB | NL-SAS 15K RPM NL-SAS uses SAS protocol at 7.2K RPM | SAS backplane supports SATA, not reverse Tray generation matters | Gen8 LFF tray differs from Gen10 TITLE LFF 3.5" DRIVE PN 737261-B21 MFR HP
KEY FEATURES
•
300GB 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 12
759221-001Compatible
HP 300Gb SAS 12G 15K 512n SFF HDD - Bare Drive
compatible
737298-001Compatible
HP 300GB SAS 12G 15k 512n LFF Scc HDD
compatible
759208-B21Compatible
HP 300GB SAS 12G 15k 512n SFF Sc HDD
compatible
759546-001Compatible
HP 300GB SAS 12G 15k 512n SFF Sc HDD
compatible
744995-001Compatible
HP 300Gb SAS 12G 15K 512n SFF HDD - Bare Drive
compatible
748385-001Compatible
HP 300Gb SAS 12G 15K 512n SFF HDD - Bare Drive
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 1
737298-001SUBSTITUTE
HP 300Gb SAS 12G 15K 512n LFF SCC HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 737261-B21?
737261-B21 is a HP 300GB 12G SAS 15k 3.5in Scc Ent HDD manufactured by HP. It is classified as a STORAGE_HDD (3.5_SAS_HDD).
What parts can replace 737261-B21?
There are 12 known substitutes for 737261-B21: 759221-001, 737298-001, 759208-B21 and 9 more. Substitute compatibility should be verified for your specific system.
Is 737261-B21 still available?
737261-B21 is currently Unknown.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026