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90Y3159 ✓ 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 16GB (1x16GB) PC3-12800 DDR3 MEMORY

IBM 16GB (1x16GB) PC3-12800 DDR3 MEMORY. 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→ 90Y3159
SPECIFICATIONS
Part Number90Y3159
ManufacturerIBM
InterfaceDDR3
Capacity16GB
COMPONENT DIAGRAM
ECC 16GB 2Rx4 PC3 — RDIMM IBM NOTCH ~133.35 mm DDR3 RDIMM | 16GB | — | PC3 Notch position = DDR3 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR3 RDIMM PN 90Y3159 MFR IBM 16GB —
KEY FEATURES
•
DDR3 Interface
•
16GB Capacity
•
DDR3 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 3
90Y3157Compatible
IBM 16Gb PC3-12800R 1600Mhz ECC REG DR x4 CAS-11 Low Profile (1x16Gb) Memory Kit Intel v1 for HS23/HS23E - Option
compatible
47J0167Compatible
IBM 16Gb PC3-12800R 1600Mhz ECC REG DR x4 CAS-11 Low Profile DIMM - P/N
compatible
90Y3156Compatible
IBM 16Gb PC3-12800R 1600Mhz ECC REG DR x4 CAS-11 Low Profile (1x16Gb) Memory Kit Intel v1 for HS23/HS23E - SBB
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 3
90Y3156SUBSTITUTE
IBM 16Gb PC3-12800R 1600Mhz ECC REG DR x4 CAS-11 Low Profile DIMM - FRU
IBM
90Y3157SUBSTITUTE
IBM 16Gb PC3-12800R 1600Mhz ECC REG DR x4 CAS-11 Low Profile DIMM - FRU
IBM
47J0167SUBSTITUTE
IBM 16Gb PC3-12800R 1600Mhz ECC REG DR x4 CAS-11 Low Profile DIMM - FRU
IBM
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FREQUENTLY ASKED QUESTIONS
What is 90Y3159?
90Y3159 is a IBM 16GB (1*16gb) Pc3-12800 DDR3 Memory Kit manufactured by IBM. It is classified as a MEMORY (RDIMM).
What parts can replace 90Y3159?
There are 3 known substitutes for 90Y3159: 90Y3157, 47J0167, 90Y3156. Substitute compatibility should be verified for your specific system.
Is 90Y3159 still available?
90Y3159 is currently Unknown.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026