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Technical Data Sheet
PartsTable / STORAGE_HDD / 793703-B21
793703-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 8TB SAS 12G MIDLINE 7.2K LFF (3.5IN) SC HELIUM 512E HDD

HP 8TB SAS 12G MIDLINE 7.2K LFF (3.5IN) SC HELIUM 512E HDD. Key specifications include Generation: 12th Gen. The unit ships in a LFF 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
STORAGE_HDD→ 3.5_SAS_HDD→ LFF BAY→ 793703-B21
SPECIFICATIONS
Generation12th Gen
COMPONENT DIAGRAM
RELEASE LATCH 8TB NL-SAS 7.2K RPM 793703-B21 HP NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 8TB | NL-SAS 7.2K 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 793703-B21 MFR HP
KEY FEATURES
•
LFF Form Factor
•
8TB Capacity
•
7.2K 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
793773-001Compatible
HP 8Tb SAS 12G 7.2K 512e Helium MDL LFF SC HDD
compatible
791394-002Compatible
HP 8Tb SAS 12G 7.2K 512e Helium MDL LFF HDD - Bare Drive
compatible
805339-001Compatible
HP 8Tb SAS 12G 7.2K 512e Helium MDL LFF HDD - Bare Drive
compatible
819074-B21Compatible
HP 8Tb SAS 12G 7.2K 512e Helium MDL LFF SC HDD
compatible
819081-001Compatible
HP 8Tb SAS 12G 7.2K 512e Helium MDL LFF SC HDD
compatible
MB8000JEQVACompatible
HP 8Tb SAS 12G 7.2K 512e Helium MDL LFF HDD - Bare Drive
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 6
MB8000JEQVASUBSTITUTE
HP 8Tb SAS 12G 7.2K 512e Helium MDL LFF SC HDD
HPE
791394-002SUBSTITUTE
HP 8Tb SAS 12G 7.2K 512e Helium MDL LFF SC HDD
HPE
793773-001SUBSTITUTE
HP 8Tb SAS 12G 7.2K 512e Helium MDL LFF SC HDD
HPE
805339-001SUBSTITUTE
HP 8Tb SAS 12G 7.2K 512e Helium MDL LFF SC HDD
HPE
819074-B21SUBSTITUTE
HP 8Tb SAS 12G 7.2K 512e Helium MDL LFF SC HDD
HPE
819081-001SUBSTITUTE
HP 8Tb SAS 12G 7.2K 512e Helium MDL LFF SC HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 793703-B21?
793703-B21 is a HP 8TB SAS 12G Midline 7.2k LFF (3.5in) Sc Helium 512e HDD manufactured by HP. It is classified as a STORAGE_HDD (3.5_SAS_HDD).
What parts can replace 793703-B21?
There are 12 known substitutes for 793703-B21: 793773-001, 791394-002, 805339-001 and 9 more. Substitute compatibility should be verified for your specific system.
Is 793703-B21 still available?
793703-B21 is currently Unknown.
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Last verified: July 2026