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39M5656 — DISK DRIVE UNIT

✓ Government record, cited
— · STORAGE_HDD · 3.5_SATA_HDD
PRODUCT OVERVIEW

39M5656: DISK DRIVE UNIT.

The DISK DRIVE UNIT is a the manufacturer hard disk drive designed for enterprise environments demanding consistent performance and data integrity. Key specifications include design_type: HARD DISK, unit_design: INTERNAL, interface_type: SCSI, data_storage_capacity: 72.00 GIGABYTES, end_item_identification: SERVER, 7979A2G. This part is cataloged in the U.S.

Government catalog under NSN 7025-01-565-5076, 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→ 39M5656
NSN: 7025-01-565-5076
FSC: 7025 — Information Technology Input/output and Storage Devices
CAGE: 1U0E6 — IBM (USA)
SPECIFICATIONS
design_typeHARD DISK
unit_designINTERNAL
interface_typeSCSI
data_storage_capacity72.00 GIGABYTES
end_item_identificationSERVER, 7979A2G
NSN7025-01-565-5076
COMPONENT DIAGRAM
RELEASE LATCH — NL-SAS 7.2K 39M5656 OEM NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | — | NL-SAS 7.2K 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 39M5656 MFR OEM
KEY FEATURES
•
INTERFACE TYPE: SCSI
•
DESIGN TYPE: HARD DISK
•
DATA STORAGE CAPACITY: 72.00 GIGABYTES
•
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
INTERFACE TYPESCSI
DESIGN TYPEHARD DISK
SPECIAL FEATURESEXPANSION/CONNECTIVITY; DEVICE TYPE TAPE DRIVE - DAT; RECORDING STANDARD DDS-5; SUPPORTED TAPE CARTRIDGES (READ AND WRITE) DAT
END ITEM IDENTIFICATIONSERVER, 7979A2G
DATA STORAGE CAPACITY72.00 GIGABYTES
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 6
40K2558CompatiblePARTNER
IBM DAT 72 SCSI-U2 5.25" Internal Tape Drive - P/N
compatible
71P9145CompatiblePARTNER
IBM DAT 72 SCSI-U2 5.25" Internal Tape Drive - Option
compatible
24P7299CompatiblePARTNER
IBM DAT 72 SCSI-U2 5.25" Internal Tape Drive - P/N
compatible
39M5643CompatiblePARTNER
IBM DAT 72 SCSI-U2 5.25" Internal Tape Drive with 5 Tapes - Option
compatible
40K2553CompatiblePARTNER
IBM DAT 72 SCSI-U2 5.25" Internal Tape Drive - FRU
compatible
71P9163CompatiblePARTNER
IBM DAT 72 SCSI-U2 5.25" Internal Tape Drive - FRU
compatible
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
THIS PART SUBSTITUTES FOR 6
24P7299SUBSTITUTE
IBM DAT 72 SCSI-U2 5.25" Internal Tape Drive - Option
IBM
39M5643SUBSTITUTE
IBM DAT 72 SCSI-U2 5.25" Internal Tape Drive - Option
IBM
40K2553SUBSTITUTE
IBM DAT 72 SCSI-U2 5.25" Internal Tape Drive - Option
IBM
40K2558SUBSTITUTE
IBM DAT 72 SCSI-U2 5.25" Internal Tape Drive - Option
IBM
71P9145SUBSTITUTE
IBM DAT 72 SCSI-U2 5.25" Internal Tape Drive - Option
IBM
71P9163SUBSTITUTE
IBM DAT 72 SCSI-U2 5.25" Internal Tape Drive - Option
IBM
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FREQUENTLY ASKED QUESTIONS
What is 39M5656?
39M5656 is a DISK DRIVE UNIT. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace 39M5656?
There are 6 known substitutes for 39M5656: 40K2558, 71P9145, 24P7299 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 39M5656?
39M5656 is cataloged in the U.S. Government catalog under NSN 7025-01-565-5076. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.