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3555-L3A ✓ Verified by PartsTable
IBM · 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
IBM TS4300 TAPE LIBRARY BASE UNIT

IBM TS4300 TAPE LIBRARY BASE UNIT. Key specifications include Connector: LC duplex, Data Rate: 1 Gbps, Fiber Type: Single-mode, Wavelength: 1310 nm, Form Factor: SFP, Max Distance: 10 km. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7035-01-708-1183, 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→ 3555-L3A
NSN: 7035-01-708-1183
FSC: 7035
CAGE: 30874 — INTERNATIONAL BUSINESS MACHINES CORPORATION DBA IBM (USA)
SPECIFICATIONS
ConnectorLC duplex
Data Rate1 Gbps
Fiber TypeSingle-mode
Wavelength1310 nm
Form FactorSFP
Max Distance10 km
NSN7035-01-708-1183
COMPONENT DIAGRAM
IBM MEDIA SLOT RDY ACT CLN SAS CONNECTOR 3555-L3A 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 3555-L3A MFR IBM IBM TS4300 Tape Library Base Unit
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)
PART NAME ASSIGNED BY CONTROLLING AGENCYULTRIUM 8 DATA CARTRIDGE
SPECIAL FEATURES5 PACK
PART NAME ASSIGNED BY CONTROLLING AGENCYULTRIUM 8 DATA CARTRIDGE
SPECIAL FEATURES5 PACK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
TS4300Interchangeable
interchangeable cross-reference
interchangeable
3555-L3AInterchangeable
IBM TS4300 Tape Library Base Unit
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3555-L3A?
3555-L3A is a IBM TS4300 Tape Library Base Unit manufactured by IBM. It is classified as a OPTICAL_TAPE (LTO_TAPE).
What parts can replace 3555-L3A?
There are 2 known substitutes for 3555-L3A: TS4300, 3555-L3A. Substitute compatibility should be verified for your specific system.
What is the NSN for 3555-L3A?
3555-L3A is cataloged in the Federal Logistics Information System (FLIS) under NSN 7035-01-708-1183. 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