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PartsTable / MEMORY / PL-20559722 REV B ITEM 70
PL-20559722 REV B ITEM 70 ✓ Verified by PartsTable
— · 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

IBM 64GB DDR4 2666MHZ RDIMM MEMORY P9. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-01-462-1710, 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→ PL-20559722 REV B ITEM 70
NSN: 5930-01-462-1710
FSC: 5930
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
Part NumberPL-20559722 REV B ITEM 70
InterfaceDDR4
Capacity64GB
Speed2666MHz
NSN5930-01-462-1710
COMPONENT DIAGRAM
ECC 64GB 2Rx4 PC4 2666MHz RDIMM OEM NOTCH ~133.35 mm DDR4 RDIMM | 64GB | 2666MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN PL-20559722 REV B ITEM 70 MFR OEM 64GB 2666MHz
KEY FEATURES
•
DDR4 Interface
•
64GB Capacity
•
2666MHz Speed
•
DDR4 RDIMM
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 3
32Interchangeable
interchangeable cross-reference
interchangeable
A32Interchangeable
interchangeable cross-reference
interchangeable
850511-0001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PL-20559722 REV B ITEM 70?
PL-20559722 REV B ITEM 70 is a IBM 64GB DDR4 2666MHZ RDIMM MEMORY P9. It is classified as a MEMORY (RDIMM).
What parts can replace PL-20559722 REV B ITEM 70?
There are 3 known substitutes for PL-20559722 REV B ITEM 70: 32, A32, 850511-0001. Substitute compatibility should be verified for your specific system.
What is the NSN for PL-20559722 REV B ITEM 70?
PL-20559722 REV B ITEM 70 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-01-462-1710. 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.
PartsTable Design LLC · partstable.com
Last verified: July 2026