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Technical Data Sheet
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03T8261 — Technical Data Sheet

LENOVO · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

IBM 4Gb PC3-12800E 1600Mhz ECC UB DR/SR x8 CAS-11 (1x4Gb) Memory Kit for ThinkServers - Option. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
03T8261
SPECIFICATIONS
Part Number03T8261
ManufacturerLENOVO
Capacity4GB
Speed1600MHz
BROWSE LENOVO MACHINES
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
All Lenovo machines and parts
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: LENOVO CAP: 4GB SPEED: 1600MHz IBM 4Gb PC3-12800E 1600Mhz ECC UB DR/SR x8 CAS-11 (1x4G... TITLE COMPONENT PN 03T8261 MFR LENOVO IBM 4Gb PC3-12800E 160
KEY FEATURES
•
4GB Capacity
•
1600MHz 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 7
0B47377CompatiblePARTNER
IBM 4Gb PC3-12800E 1600Mhz ECC UB DR/SR x8 CAS-11 (1x4Gb) Memory Kit for ThinkServers - Option
compatible
03T7802CompatiblePARTNER
IBM 4Gb PC3-12800E 1600Mhz ECC UB DR/SR x8 CAS-11 DIMM for ThinkServers - FRU
compatible
03T7806CompatiblePARTNER
IBM 4Gb PC3-12800E 1600Mhz ECC UB DR/SR x8 CAS-11 DIMM for ThinkServers - FRU
compatible
0C19499CompatiblePARTNER
IBM 4Gb PC3-12800E 1600Mhz ECC UB DR/SR x8 CAS-11 (1x4Gb) Memory Kit for ThinkServers - Option
compatible
1008794CompatiblePARTNER
IBM 4Gb PC3-12800E 1600Mhz ECC UB DR/SR x8 CAS-11 DIMM for ThinkServers - FRU
compatible
1008795CompatiblePARTNER
IBM 4Gb PC3-12800E 1600Mhz ECC UB DR/SR x8 CAS-11 DIMM for ThinkServers - FRU
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 7
03T7802SUBSTITUTE
IBM 4Gb PC3-12800E 1600Mhz ECC UB DR/SR x8 CAS-11 DIMM for ThinkServers - FRU
LENOVO
03T7806SUBSTITUTE
IBM 4Gb PC3-12800E 1600Mhz ECC UB DR/SR x8 CAS-11 DIMM for ThinkServers - FRU
LENOVO
0B47377SUBSTITUTE
IBM 4Gb PC3-12800E 1600Mhz ECC UB DR/SR x8 CAS-11 DIMM for ThinkServers - FRU
LENOVO
0C19499SUBSTITUTE
IBM 4Gb PC3-12800E 1600Mhz ECC UB DR/SR x8 CAS-11 DIMM for ThinkServers - FRU
LENOVO
1008794SUBSTITUTE
IBM 4Gb PC3-12800E 1600Mhz ECC UB DR/SR x8 CAS-11 DIMM for ThinkServers - FRU
LENOVO
1008795SUBSTITUTE
IBM 4Gb PC3-12800E 1600Mhz ECC UB DR/SR x8 CAS-11 DIMM for ThinkServers - FRU
LENOVO
1100268SUBSTITUTE
IBM 4Gb PC3-12800E 1600Mhz ECC UB DR/SR x8 CAS-11 DIMM for ThinkServers - FRU
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 03T8261?
03T8261 is a IBM 4Gb PC3-12800E 1600Mhz ECC UB DR/SR x8 CAS-11 (1x4Gb) Memory Kit for ThinkServers - Option manufactured by LENOVO.
What parts can replace 03T8261?
There are 7 known substitutes for 03T8261: 0B47377, 03T7802, 03T7806 and 4 more. Substitute compatibility should be verified for your specific system.
Is 03T8261 still available?
03T8261 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.