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PartsTable / MEMORY / 00NU565
00NU565 ✓ Verified by PartsTable
LENOVO · 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

Lenovo 16GB PC4-17000 DDR4-2133MHz ECC. Key specifications include Rank: Dual Rank, Speed: DDR4-2666, Voltage: 1.2V, Capacity: 32GB, Form Factor: RDIMM, Organization: 2Rx4. 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→ 00NU565
SPECIFICATIONS
RankDual Rank
SpeedDDR4-2666
Voltage1.2V
Capacity32GB
Form FactorRDIMM
Organization2Rx4
COMPONENT DIAGRAM
ECC 16GB 2Rx4 PC4 2133MHz RDIMM LENOV NOTCH ~133.35 mm DDR4 RDIMM | 16GB | 2133MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 00NU565 MFR LENOVO 16GB 2133MHz
KEY FEATURES
•
DDR4 Interface
•
16GB Capacity
•
2133MHz Speed
•
DDR4 Memory
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
46W0817Compatible
IBM 16Gb PC4-2133P-E ECC UB DR x8 CAS-15 (1x4Gb) Memory Kit for x3250 M6 - Option
compatible
46W0816Compatible
IBM 16Gb PC4-2133P-E ECC UB DR x8 CAS-15 (1x4Gb) Memory Kit for x3250 M6 - SBB
compatible
46W0819Compatible
IBM 16GB PC4-2133P-E ECC Ub Dr X8 Cas-15 Dimm - Fru
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 3
46W0816SUBSTITUTE
IBM 16Gb PC4-2133P-E ECC UB DR x8 CAS-15 DIMM - P/N
IBM
46W0817SUBSTITUTE
IBM 16Gb PC4-2133P-E ECC UB DR x8 CAS-15 DIMM - P/N
IBM
46W0819SUBSTITUTE
IBM 16Gb PC4-2133P-E ECC UB DR x8 CAS-15 DIMM - P/N
IBM
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FREQUENTLY ASKED QUESTIONS
What is 00NU565?
00NU565 is a Lenovo 16GB PC4-17000 DDR4-2133MHz ECC manufactured by LENOVO. It is classified as a MEMORY (RDIMM).
What parts can replace 00NU565?
There are 3 known substitutes for 00NU565: 46W0817, 46W0816, 46W0819. Substitute compatibility should be verified for your specific system.
Is 00NU565 still available?
00NU565 is currently Unknown.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026