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46W0743 — Memory Specs & Substitutes

IBM · 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

IBM 64Gb PC3L-10600L 1333Mhz Load Reduced 8R x4 CAS-9 DIMM - P/N. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
46W0743
SPECIFICATIONS
Part Number46W0743
ManufacturerIBM
Capacity64GB
Speed1333MHz
FITS THESE MACHINES
Lenovo System x3750 M4
COMPONENT DIAGRAM
ECC 64GB 2Rx4 PC4 1333MHz RDIMM IBM NOTCH ~133.35 mm DDR4 RDIMM | 64GB | 1333MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 46W0743 MFR IBM 64GB 1333MHz
KEY FEATURES
•
64GB Capacity
•
1333MHz Speed
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 3
46W0741CompatiblePARTNER
IBM 64Gb PC3L-10600L 1333Mhz Load Reduced 8R x4 CAS-9 (1x64Gb) Memory Kit for x3850/x3950 X6 - Option
compatible
46W0740CompatiblePARTNER
IBM 64Gb PC3L-10600L 1333Mhz Load Reduced 8R x4 CAS-9 (1x64Gb) Memory Kit for x3850/x3950 X6 - SBB
compatible
47J0243CompatiblePARTNER
IBM 64Gb PC3L-10600L 1333Mhz Load Reduced 8R x4 CAS-9 DIMM - P/N
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 3
46W0740SUBSTITUTE
IBM 64Gb PC3L-10600L 1333Mhz Load Reduced 8R x4 CAS-9 DIMM - FRU
IBM
46W0741SUBSTITUTE
IBM 64Gb PC3L-10600L 1333Mhz Load Reduced 8R x4 CAS-9 DIMM - FRU
IBM
47J0243SUBSTITUTE
IBM 64Gb PC3L-10600L 1333Mhz Load Reduced 8R x4 CAS-9 DIMM - FRU
IBM
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FREQUENTLY ASKED QUESTIONS
What is 46W0743?
46W0743 is a IBM 64Gb PC3L-10600L 1333Mhz Load Reduced 8R x4 CAS-9 DIMM - P/N manufactured by IBM.
What parts can replace 46W0743?
There are 3 known substitutes for 46W0743: 46W0741, 46W0740, 47J0243. Substitute compatibility should be verified for your specific system.
Is 46W0743 still available?
46W0743 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.