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00D5042 — Memory Specs & Substitutes

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: Double-check what you're quoting in volatile market.
HOT market — DDR5/DDR4 extremely volatile
PRODUCT OVERVIEW
IBM 8GB (1x8GB) 2RX8 PC3-14900R DDR3-1866MHZ LP RDIMM

IBM 8GB (1x8GB) 2RX8 PC3-14900R DDR3-1866MHZ LP 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→ 00D5042
SPECIFICATIONS
Part Number00D5042
ManufacturerIBM
InterfaceDDR3
Capacity8GB
Speed1866MHz
FITS THESE MACHINES
Lenovo System x3550 M4
Lenovo System x3650 HD M4
COMPONENT DIAGRAM
ECC 8GB 2Rx4 PC3 1866MHz RDIMM IBM NOTCH ~133.35 mm DDR3 RDIMM | 8GB | 1866MHz | PC3 Notch position = DDR3 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR3 RDIMM PN 00D5042 MFR IBM 8GB 1866MHz
KEY FEATURES
•
DDR3 Interface
•
8GB Capacity
•
1866MHz Speed
•
DDR3 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
SUBSTITUTES & CROSS-REFERENCES 2
00D5040SubstituteBROKER-VERIFIED
Lenovo 8GB (1*8gb) 2Rx8 Pc3-14900r DDR3-1866MHZ Lp RDIMM
substitute
47J0223SubstituteBROKER-VERIFIED
IBM 8GB (1*8gb) 2Rx8 Pc3-14900r DDR3-1866MHZ Lp RDIMM
substitute
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 2
00D5040SUBSTITUTE
IBM 8Gb PC3-14900R 1866Mhz ECC REG DR x8 CAS-13 DIMM - FRU
IBM
47J0223SUBSTITUTE
IBM 8Gb PC3-14900R 1866Mhz ECC REG DR x8 CAS-13 DIMM - FRU
IBM
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FREQUENTLY ASKED QUESTIONS
What is 00D5042?
00D5042 is a IBM 8GB (1x8gb) 2Rx8 Pc3-14900r DDR3-1866MHZ Lp RDIMM manufactured by IBM. It is classified as a MEMORY (RDIMM).
What parts can replace 00D5042?
There are 2 known substitutes for 00D5042: 00D5040, 47J0223. Substitute compatibility should be verified for your specific system.
Is 00D5042 still available?
00D5042 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.