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C7977A ✓ Verified by PartsTable
HP · OPTICAL_TAPE · LTO_TAPE
WHAT YOU NEED TO KNOW
LTO generations NOT backward compatible for writing (2 gen back for read) SAS and FC interface options — match to existing infrastructure
LTO-8 cannot write to LTO-6 tapes (only read LTO-7 and LTO-8)
PRODUCT OVERVIEW

HP LTO-7 Ultrium 15TB RW Data Cartridge. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-659-7593, 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
OPTICAL_TAPE→ LTO_TAPE→ C7977A
NSN: 7025-01-659-7593
FSC: 7025
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
Part NumberC7977A
ManufacturerHP
Capacity15TB
NSN7025-01-659-7593
COMPONENT DIAGRAM
HP MEDIA SLOT RDY ACT CLN SAS CONNECTOR C7977A EJECT HALF-HEIGHT 5.25" LTO GEN GUIDE LTO-9: 18TB / 45TB comp LTO-8: 12TB / 30TB comp LTO-7: 6TB / 15TB comp LTO-6: 2.5TB / 6.25TB LTO-5: 1.5TB / 3TB comp THIS: LTO-8 12TB / 30TB / 360MB/s LTO-8 TAPE DRIVE | SAS | 12TB native Half-height 5.25" | 360MB/s | 30TB compressed TITLE TAPE DRIVE PN C7977A MFR HP HP LTO-7 Ultrium 15TB RW Data Cartridge
KEY FEATURES
•
15TB Capacity
•
UNIT DESIGN: FREE STANDING
•
OPERATING TEMP RANGE: +50.0 TO 113.0 FAHRENHEIT DEGF
•
PHYSICAL TAPE FORMAT TYPE: CARTRIDGE
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONUNIT 4037 TI1
OVERALL HEIGHT21.0 MILLIMETERS NOMINAL MM
OVERALL LENGTH111.0 MILLIMETERS NOMINAL MM
UNIT DESIGNFREE STANDING
OPERATING TEMP RANGE+50.0 TO 113.0 FAHRENHEIT DEGF
PHYSICAL TAPE FORMAT TYPECARTRIDGE
OVERALL WIDTH113.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYREAD/WRITE DATA CARTRIDGE
RECORDING TRACKS PER HEAD3584
TRANSFER RATE IN MEGABYTES PER SECOND700.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
10443802Interchangeable
Same NIIN cross-reference
interchangeable
ACC0082798Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C7977A?
C7977A is a HP LTO-7 Ultrium 15TB RW Data Cartridge manufactured by HP. It is classified as a OPTICAL_TAPE (LTO_TAPE).
What parts can replace C7977A?
There are 2 known substitutes for C7977A: 10443802, ACC0082798. Substitute compatibility should be verified for your specific system.
What is the NSN for C7977A?
C7977A is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-659-7593. This indicates validated use in U.S. government and defense supply chains.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026