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Technical Data Sheet
511-1161 ✓ 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 2GB PC2-5300 DDR2 Memory Module. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-578-0888, 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 511-1161
NSN: 5962-01-578-0888
FSC: 5962
CAGE: 7X430 — SUN MICROSYSTEMS, INC. DBA SUN MICROSYSTEMS (USA)
SPECIFICATIONS
Part Number511-1161
ManufacturerSUN
Capacity2GB
NSN5962-01-578-0888
COMPONENT DIAGRAM
ECC 2GB 2Rx4 PC4 RDIMM SUN NOTCH ~133.35 mm DDR4 RDIMM | 2GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 511-1161 MFR SUN 2GB —
KEY FEATURES
2GB 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
SESX2B2ZInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 511-1161?
511-1161 is a SUN 2GB PC2-5300 DDR2 Memory Module manufactured by SUN. It is classified as a MEMORY (RDIMM).
What parts can replace 511-1161?
There is 1 known substitute for 511-1161: SESX2B2Z. Substitute compatibility should be verified for your specific system.
What is the NSN for 511-1161?
511-1161 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-578-0888. This indicates validated use in U.S. government and defense supply chains.
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