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872491-B21 — Storage Datasheet

✓ Government record, cited
HP · STORAGE_HDD · 3.5_SATA_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 4TB 7.2K 6G SATA 3.5 SC DS HDD

HP 4TB 7.2K 6G SATA 3.5 SC DS HDD. Key specifications include DESIGN TYPE: HARD DISK, UNIT DESIGN: INTERNAL, INTERFACE TYPE: SERIAL ADVANCED TECHNOLOGY ATTACHMENT, OVERALL HEIGHT: 26.8 MILLIMETERS NOMINAL MM, DATA STORAGE CAPACITY: 4.0 TERABYTES, PART NAME ASSIGNED BY CONTROLLING AGENCY: HARD DISK DRIVE. The unit ships in a LFF form factor suitable for standard rack-mount installations.

This part is cataloged in the U.S. Government catalog under NSN 7025-01-718-4244, indicating validated use in U.S. government and defense logistics supply chains.

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_SATA_HDD→ LFF BAY→ 872491-B21
NSN: 7025-01-718-4244
FSC: 7025 — Information Technology Input/output and Storage Devices
CAGE: 7ES51 — HEWLETT PACKARD ENTERPRISE COMPANY (USA)
SPECIFICATIONS
DESIGN TYPEHARD DISK
UNIT DESIGNINTERNAL
DRIVE QUANTITY1
INTERFACE TYPESERIAL ADVANCED TECHNOLOGY ATTACHMENT
OVERALL HEIGHT26.8 MILLIMETERS NOMINAL MM
DATA STORAGE CAPACITY4.0 TERABYTES
PART NAME ASSIGNED BY CONTROLLING AGENCYHARD DISK DRIVE
NSN7025-01-718-4244
BROWSE HPE MACHINES
COMPONENT DIAGRAM
RELEASE LATCH 4TB NL-SAS 7.2K RPM 872491-B21 HP NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 4TB | 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 872491-B21 MFR HP
KEY FEATURES
•
LFF Form Factor
•
4TB Capacity
•
7.2K RPM Speed
•
INTERFACE TYPE: SERIAL ADVANCED TECHNOLOGY ATTACHMENT
•
DESIGN TYPE: HARD DISK
•
DRIVE QUANTITY: 1
•
DATA STORAGE CAPACITY: 4.0 TERABYTES
•
UNIT DESIGN: INTERNAL
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
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT26.8 MILLIMETERS NOMINAL MM
INTERFACE TYPESERIAL ADVANCED TECHNOLOGY ATTACHMENT
DESIGN TYPEHARD DISK
DRIVE QUANTITY1
PART NAME ASSIGNED BY CONTROLLING AGENCYHARD DISK DRIVE
DATA STORAGE CAPACITY4.0 TERABYTES
UNIT DESIGNINTERNAL
OTHER ITEMS IN FSC 7025 — Information Technology Input/output and Storage Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
7025-00-001-2681 7025-00-001-5588 7025-00-001-6998 7025-00-001-6999 7025-00-001-7000 7025-00-001-7025 7025-00-001-7026 7025-00-001-7027
SUBSTITUTES & CROSS-REFERENCES 12
872772-001Same NSN cross-reference
HP 4TB 7.2k 6G SATA 3.5 Sc Ds HDD
Also cataloged under this NSN
846522-004CompatiblePARTNER
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF HDD - Bare Drive
compatible
872293-002CompatiblePARTNER
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF HDD - Bare Drive
compatible
872295-002CompatiblePARTNER
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF HDD - Bare Drive
compatible
872491-K21CompatiblePARTNER
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
compatible
879481-001CompatiblePARTNER
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF HDD - Bare Drive
compatible
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
THIS PART SUBSTITUTES FOR 19
879481-001SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
MB004000GWFVUSUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
MB004000GWFWBSUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
MB004000GWKGVSUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
MB4000GVYZKSUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
P03714-B21SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
P03750-001SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
P06388-B21SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
P06464-001SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
846522-004SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
861683-B21SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
861683-H21SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
861683-K21SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
861683-X21SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
862133-001SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
872293-002SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
872295-002SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
872491-K21SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
872772-001SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF SC HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 872491-B21?
872491-B21 is a HP 4TB 7.2k 6G SATA 3.5 Sc Ds HDD manufactured by HP. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace 872491-B21?
There are 12 known substitutes for 872491-B21: 872772-001, 846522-004, 872293-002 and 9 more. Substitute compatibility should be verified for your specific system.
Is 872491-B21 still available?
872491-B21 is currently Unknown.
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