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49Y1428 ✓ 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
IBM 2GB (1x2GB) PC3-10600 DDR3 VLP RDIMM

IBM 2GB (1x2GB) PC3-10600 DDR3 VLP 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→ 49Y1428
SPECIFICATIONS
Part Number49Y1428
ManufacturerIBM
InterfaceDDR3
Capacity2GB
COMPONENT DIAGRAM
ECC 2GB 2Rx4 PC3 — RDIMM IBM NOTCH ~133.35 mm DDR3 RDIMM | 2GB | — | PC3 Notch position = DDR3 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR3 RDIMM PN 49Y1428 MFR IBM 2GB —
KEY FEATURES
•
DDR3 Interface
•
2GB Capacity
•
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
46C0589Compatible
IBM 2Gb PC3-10600R 1333Mhz ECC REG DR x8 CAS-9 Low Profile DIMM - SBB
compatible
47J0149Compatible
IBM 2Gb PC3-10600R 1333Mhz ECC REG DR x8 CAS-9 Low Profile DIMM - P/N
compatible
49Y1438Compatible
IBM 2Gb PC3-10600R 1333Mhz ECC REG DR x8 CAS-9 Low Profile DIMM - FRU
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 3
46C0589SUBSTITUTE
IBM 2Gb PC3-10600R 1333Mhz ECC REG DR x8 CAS-9 Low Profile (1x2Gb) Memory Kit for HS22/HS22V - Option
IBM
47J0149SUBSTITUTE
IBM 2Gb PC3-10600R 1333Mhz ECC REG DR x8 CAS-9 Low Profile (1x2Gb) Memory Kit for HS22/HS22V - Option
IBM
49Y1438SUBSTITUTE
IBM 2Gb PC3-10600R 1333Mhz ECC REG DR x8 CAS-9 Low Profile (1x2Gb) Memory Kit for HS22/HS22V - Option
IBM
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FREQUENTLY ASKED QUESTIONS
What is 49Y1428?
49Y1428 is a IBM 2GB (1x2gb) Pc3-10600 DDR3 Vlp RDIMM manufactured by IBM. It is classified as a MEMORY (RDIMM).
What parts can replace 49Y1428?
There are 3 known substitutes for 49Y1428: 46C0589, 47J0149, 49Y1438. Substitute compatibility should be verified for your specific system.
Is 49Y1428 still available?
49Y1428 is currently Unknown.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026