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0C19533 — 4GB Pc3-12800

Lenovo · MEMORY · RDIMM
PRODUCT OVERVIEW
4GB PC3-12800

0C19533: 4GB Pc3-12800.

The 4GB Pc3-12800 is a Lenovo memory module engineered for enterprise server and workstation platforms requiring validated, high-reliability 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→ 0C19533
SPECIFICATIONS
Part Number0C19533
ManufacturerLenovo
Capacity4GB
MORE FROM LENOVO
Popular Lenovo machine pages — browsing only, not a fit claim for 0C19533.
ThinkSystem SR650 V1 ThinkSystem SR650 V2 ThinkSystem SR630 V1 ThinkSystem SR630 V2 System x3650 M5 System x3550 M5 ThinkServer RD550 System x IBM System x3650 M4 ThinkServer RD650 SD530 System x3500 M4 ThinkServer RD350
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COMPONENT DIAGRAM
ECC 4GB 2Rx4 PC4 — RDIMM Lenov NOTCH ~133.35 mm DDR4 RDIMM | 4GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 0C19533 MFR Lenovo 4GB —
KEY FEATURES
•
4GB Capacity
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 1
03T7752CompatiblePARTNER
IBM 4Gb PC3L-12800R 1600Mhz ECC REG SR x8 CAS-11 LV (1x4Gb) Memory Kit for ThinkServer - FRU
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 1
03T7752SUBSTITUTE
IBM 4Gb PC3L-12800R 1600Mhz ECC REG SR x8 CAS-11 LV (1x4Gb) Memory Kit for ThinkServer - Option
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 0C19533?
0C19533 is a 4GB Pc3-12800 manufactured by Lenovo. It is classified as a MEMORY (RDIMM).
What parts can replace 0C19533?
There is 1 known substitute for 0C19533: 03T7752. Substitute compatibility should be verified for your specific system.
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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.