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03X3661 — 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

IBM 4Gb PC3L-10600E 1333Mhz ECC UB DR x8 CAS-9 LV DIMM for ThinkServer - FRU. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
03X3661
SPECIFICATIONS
Part Number03X3661
ManufacturerLENOVO
Capacity4GB
Speed1333MHz
FITS THESE MACHINES
Lenovo ThinkServer TS130
Lenovo ThinkServer TS430
COMPONENT DIAGRAM
ECC 4GB 2Rx4 PC4 1333MHz RDIMM LENOV NOTCH ~133.35 mm DDR4 RDIMM | 4GB | 1333MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 03X3661 MFR LENOVO 4GB 1333MHz
KEY FEATURES
•
4GB 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
67Y2607CompatiblePARTNER
IBM 4Gb PC3-10600E 1333Mhz ECC UB DR x8 CAS-9 (1x4Gb) Memory Kit for ThinkServer - Option
compatible
03T8431CompatiblePARTNER
IBM 4Gb PC3L-10600E 1333Mhz ECC UB DR x8 CAS-9 LV DIMM for ThinkServer - FRU
compatible
03X3673CompatiblePARTNER
IBM 4Gb PC3-10600E 1333Mhz ECC UB DR x8 CAS-9 DIMM for ThinkServer - FRU
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 3
03T8431SUBSTITUTE
IBM 4Gb PC3-10600E 1333Mhz ECC UB DR x8 CAS-9 DIMM for ThinkServer - FRU
LENOVO
03X3673SUBSTITUTE
IBM 4Gb PC3-10600E 1333Mhz ECC UB DR x8 CAS-9 DIMM for ThinkServer - FRU
LENOVO
67Y2607SUBSTITUTE
IBM 4Gb PC3-10600E 1333Mhz ECC UB DR x8 CAS-9 DIMM for ThinkServer - FRU
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 03X3661?
03X3661 is a IBM 4Gb PC3L-10600E 1333Mhz ECC UB DR x8 CAS-9 LV DIMM for ThinkServer - FRU manufactured by LENOVO.
What parts can replace 03X3661?
There are 3 known substitutes for 03X3661: 67Y2607, 03T8431, 03X3673. Substitute compatibility should be verified for your specific system.
Is 03X3661 still available?
03X3661 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.