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501-2480 ✓ Verified by PartsTable
SUN · MEMORY · RDIMM
WHAT YOU NEED TO KNOW
Memory is a hot market right now. DDR5 and DDR4 are extremely volatile with data centers driving availability to extreme lows. Always validate machine type and model. Remember: all RAM is Hynix, Samsung, or Micron underneath OEM labels — use that to find alternatives. Key checks: Check OEM alternatives — all RAM is Hynix/Samsung/Micron underneath. Double-check what you're quoting in volatile market.
HOT market — DDR5/DDR4 extremely volatile
PRODUCT OVERVIEW
SUN 64MB 1X64MB DIMM

The Sun 64MB 1x64mb Dimm is a SUN memory module engineered for enterprise server and workstation platforms requiring validated, high-reliability memory. Key specifications include special_features: ESD, 64 MB SIMM MB, end_item_identification: SUN SPARC 20, design_function_and_quantity: 1 BUFFER, criticality_code_justification: FEAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-512-9841, 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
MEMORY→ RDIMM→ 501-2480
NSN: 5998-01-512-9841
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 0D5T0 — SUN MICROSYSTEMS FEDERAL, INC. DBA SUN MICROSYSTEMS FEDERAL, INC. (USA)
SPECIFICATIONS
special_featuresESD, 64 MB SIMM MB
end_item_identificationSUN SPARC 20
design_function_and_quantity1 BUFFER
criticality_code_justificationFEAT
NSN5998-01-512-9841
COMPONENT DIAGRAM
ECC 64MB 2Rx4 PC4 — RDIMM SUN NOTCH ~133.35 mm DDR4 RDIMM | 64MB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 501-2480 MFR SUN 64MB —
KEY FEATURES
•
64MB Capacity
TYPICAL APPLICATIONS
  • Server memory expansion for virtualization workloads
  • Database performance optimization (in-memory computing)
  • VDI and remote desktop session hosting
  • High-performance computing (HPC) clusters
  • Mail server and collaboration platform scaling
  • Application server tier expansion
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONTRAFFIC MANAGEMENT ADVISOR (TFMICTAS) (TMA)
SPECIAL FEATURESNOMENCLATURE MEMORY CARD
END ITEM IDENTIFICATIONTRAFFIC MANAGEMENT ADVISOR (TFMICTAS) (TMA)
SPECIAL FEATURESNOMENCLATURE MEMORY CARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
501-2480Interchangeable
Sun 64MB 1x64mb Dimm
interchangeable
1121859E00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 501-2480?
501-2480 is a Sun 64MB 1x64mb Dimm manufactured by SUN. It is classified as a MEMORY (RDIMM).
What parts can replace 501-2480?
There are 2 known substitutes for 501-2480: 501-2480, 1121859E00. Substitute compatibility should be verified for your specific system.
What is the NSN for 501-2480?
501-2480 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-512-9841. 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