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90Y4551 — Memory Specs & Substitutes

Lenovo · DIMM
WHAT YOU NEED TO KNOW
2Rx4 = Dual Rank ×4 chip width (standard server) RDIMM = Registered (servers) | LRDIMM = Load-Reduced (max density)
DDR3 ≠ DDR4 ≠ DDR5 — physically incompatible (notch position)
PRODUCT OVERVIEW

Upgrading your memory is a cost-effective way to improve system performance when insufficient memory and hard drive paging is slowing your applications down.<br><br>- Faster start-up times with fewer delays during routine operations.<br>- More programs running simultaneously.<br>- Easy toggling between several open applications.<br>- Rigorous supplier qualification processes for ensured quality. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
90Y4551
SPECIFICATIONS
Part Number90Y4551
ManufacturerLenovo
InterfaceDDR3
Capacity4GB
BROWSE LENOVO MACHINES
COMPONENT DIAGRAM
ECC 4GB 2Rx4 PC3 — RDIMM Lenov NOTCH ~133.35 mm DDR3 RDIMM | 4GB | — | PC3 Notch position = DDR3 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR3 RDIMM PN 90Y4551 MFR Lenovo 4GB —
KEY FEATURES
•
DDR3 Interface
•
4GB 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
SUBSTITUTES & CROSS-REFERENCES 4
49Y1406CompatiblePARTNER
IBM 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV (1x4Gb) Memory Kit for M3/M4 - Option
compatible
47J0145CompatiblePARTNER
IBM 4GB Pc3l-10600r 1333MHZ ECC Reg Sr X4 Cas-9 Lv Dimm - P/n
compatible
49Y1388CompatiblePARTNER
IBM 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV (1x4Gb) Memory Kit for M3/M4 - SBB
compatible
49Y1424CompatiblePARTNER
IBM 4GB Pc3l-10600r 1333MHZ ECC Reg Sr X4 Cas-9 Lv Dimm - Fru
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 4
47J0145SUBSTITUTE
IBM 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV (1x4Gb) Memory Kit - Option
IBM
49Y1388SUBSTITUTE
IBM 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV (1x4Gb) Memory Kit - Option
IBM
49Y1406SUBSTITUTE
IBM 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV (1x4Gb) Memory Kit - Option
IBM
49Y1424SUBSTITUTE
IBM 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV (1x4Gb) Memory Kit - Option
IBM
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FREQUENTLY ASKED QUESTIONS
What is 90Y4551?
90Y4551 is a Lenovo 4GB PC3-10600 memory module 1 x 4 GB DDR3 240-pin DIMM ECC manufactured by Lenovo.
What parts can replace 90Y4551?
There are 4 known substitutes for 90Y4551: 49Y1406, 47J0145, 49Y1388 and 1 more. Substitute compatibility should be verified for your specific system.
Is 90Y4551 still available?
90Y4551 is currently Unknown.
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