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Technical Data Sheet
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46M0001 — Technical Data Sheet

IBM · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

IBM Memory Expansion Module for x3850/x3950 X5 - P/N. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
46M0001
SPECIFICATIONS
Part Number46M0001
ManufacturerIBM
FITS THESE MACHINES
Lenovo System x3850 X5
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: IBM IBM Memory Expansion Module for x3850/x3950 X5 - P/N TITLE COMPONENT PN 46M0001 MFR IBM IBM Memory Expansion M
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
SUBSTITUTES & CROSS-REFERENCES 3
46M0071CompatiblePARTNER
IBM Memory Expansion Module for x3850/x3950 X5 - Option
compatible
46M0085CompatiblePARTNER
IBM Memory Expansion Module for x3850/x3950 X5 - SBB
compatible
59Y6191CompatiblePARTNER
IBM Memory Expansion Module for x3850/x3950 X5 - P/N
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 3
46M0071SUBSTITUTE
IBM Memory Expansion Module for x3850/x3950 X5 - FRU
IBM
46M0085SUBSTITUTE
IBM Memory Expansion Module for x3850/x3950 X5 - FRU
IBM
59Y6191SUBSTITUTE
IBM Memory Expansion Module for x3850/x3950 X5 - FRU
IBM
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FREQUENTLY ASKED QUESTIONS
What is 46M0001?
46M0001 is a IBM Memory Expansion Module for x3850/x3950 X5 - P/N manufactured by IBM.
What parts can replace 46M0001?
There are 3 known substitutes for 46M0001: 46M0071, 46M0085, 59Y6191. Substitute compatibility should be verified for your specific system.
Is 46M0001 still available?
46M0001 is currently Unknown.
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PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.