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31EE ✓ Verified by PartsTable
IBM · 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

The IBM 64GB DDR4 Memory is a IBM memory module engineered for enterprise server and workstation platforms requiring validated, high-reliability memory. Key specifications include Rank: Single Rank (1Rx4), Speed: DDR4-2933, Voltage: 1.2V, Capacity: 16GB, CAS Latency: CL21, Form Factor: RDIMM. 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→ 31EE
SPECIFICATIONS
RankSingle Rank (1Rx4)
SpeedDDR4-2933
Voltage1.2V
Capacity16GB
CAS LatencyCL21
Form FactorRDIMM
COMPONENT DIAGRAM
ECC 64GB 2Rx4 PC4 — RDIMM IBM NOTCH ~133.35 mm DDR4 RDIMM | 64GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 31EE MFR IBM 64GB —
KEY FEATURES
•
DDR4 Interface
•
64GB Capacity
•
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

No verified substitutes available.

LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31EE?
31EE is a IBM 64GB DDR4 Memory manufactured by IBM. It is classified as a MEMORY (RDIMM).
Is 31EE still available?
31EE is currently Unknown.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026