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49Y1422 — Memory Specs & Substitutes

IBM · MEMORY · UDIMM
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 4GB 240P 2RX8 PC3L-10600E 1.35V ECC UDIMM

IBM 4GB 240P 2RX8 PC3L-10600E 1.35V ECC UDIMM. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MEMORY→ UDIMM→ 49Y1422
SPECIFICATIONS
Part Number49Y1422
ManufacturerIBM
Capacity4GB
FITS THESE MACHINES
Lenovo System x IBM System x3650 M4
Lenovo System x x3500 M3
Lenovo System x x3550 M3
Lenovo System x x3650 M3
Lenovo System x3100 M4
Lenovo System x3200 M3
Lenovo System x3250 M3
Lenovo System x3300 M4
Lenovo System x3400 M3
Lenovo System x3500 M4
Lenovo System x3530 M4
Lenovo System x3550 M4
Lenovo System x3630 M4
Lenovo System x3755 M3
COMPONENT DIAGRAM
ECC 4GB 2Rx4 PC4 — UDIMM IBM NOTCH ~133.35 mm DDR4 UDIMM | 4GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 UDIMM PN 49Y1422 MFR IBM 4GB —
KEY FEATURES
•
4GB Capacity
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 4
HMT351U7BFR8AH9SubstituteBROKER-VERIFIED
Hynix 4GB 240p 2Rx8 Pc3l-10600e 1.35V ECC UDIMM
substitute
49Y1404SubstituteBROKER-VERIFIED
IBM 4GB 240p 2Rx8 Pc3l-10600e 1.35V ECC UDIMM
substitute
47J0143CompatiblePARTNER
IBM 4GB Pc3l-10600e 1333MHZ ECC Ub Dr X8 Cas-9 Lv Dimm - P/n
compatible
49Y1386CompatiblePARTNER
IBM 4Gb PC3L-10600E 1333Mhz ECC UB DR x8 CAS-9 LV (1x4Gb) Memory Kit for M3/M4 - SBB
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 3
47J0143SUBSTITUTE
IBM 4Gb PC3L-10600E 1333Mhz ECC UB DR x8 CAS-9 LV DIMM - FRU
IBM
49Y1386SUBSTITUTE
IBM 4Gb PC3L-10600E 1333Mhz ECC UB DR x8 CAS-9 LV DIMM - FRU
IBM
49Y1404SUBSTITUTE
IBM 4Gb PC3L-10600E 1333Mhz ECC UB DR x8 CAS-9 LV DIMM - FRU
IBM
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FREQUENTLY ASKED QUESTIONS
What is 49Y1422?
49Y1422 is a IBM 4GB 240p 2Rx8 Pc3l-10600e 1.35V ECC UDIMM manufactured by IBM. It is classified as a MEMORY (UDIMM).
What parts can replace 49Y1422?
There are 4 known substitutes for 49Y1422: HMT351U7BFR8AH9, 49Y1404, 47J0143 and 1 more. Substitute compatibility should be verified for your specific system.
Is 49Y1422 still available?
49Y1422 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.