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00D5021 — IBM 4Gb PC3-14900R 1866Mhz ECC REG SR x4 CAS-13 DIMM - FRU

IBM · DIMM
PRODUCT OVERVIEW

00D5021: IBM 4Gb PC3-14900R 1866Mhz ECC REG SR x4 CAS-13 DIMM - FRU.

IBM 4Gb PC3-14900R 1866Mhz ECC REG SR x4 CAS-13 DIMM - FRU. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

SPECIFICATIONS
Part Number00D5021
ManufacturerIBM
Capacity4GB
Speed1866MHz
COMPONENT DIAGRAM
ECC 4GB 2Rx4 PC4 1866MHz RDIMM IBM NOTCH ~133.35 mm DDR4 RDIMM | 4GB | 1866MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 00D5021 MFR IBM 4GB 1866MHz
KEY FEATURES
•
4GB Capacity
•
1866MHz 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
00D5020CompatiblePARTNER
IBM 4Gb PC3-14900R 1866Mhz ECC REG SR x4 CAS-13 (1x4Gb) Memory Kit Intel v1/v2 for M4 - Option
compatible
00D5022CompatiblePARTNER
IBM 4GB Pc3-14900r 1866MHZ ECC Reg Sr X4 Cas-13 Dimm - Fru
compatible
47J0218CompatiblePARTNER
IBM 4GB Pc3-14900r 1866MHZ ECC Reg Sr X4 Cas-13 Dimm - P/n
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 3
00D5020SUBSTITUTE
IBM 4Gb PC3-14900R 1866Mhz ECC REG SR x4 CAS-13 (1x4Gb) Memory Kit Intel v1/v2 for M4 - PPN
IBM
00D5022SUBSTITUTE
IBM 4Gb PC3-14900R 1866Mhz ECC REG SR x4 CAS-13 (1x4Gb) Memory Kit Intel v1/v2 for M4 - PPN
IBM
47J0218SUBSTITUTE
IBM 4Gb PC3-14900R 1866Mhz ECC REG SR x4 CAS-13 (1x4Gb) Memory Kit Intel v1/v2 for M4 - PPN
IBM
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FREQUENTLY ASKED QUESTIONS
What is 00D5021?
00D5021 is a IBM 4Gb PC3-14900R 1866Mhz ECC REG SR x4 CAS-13 DIMM - FRU manufactured by IBM.
What parts can replace 00D5021?
There are 3 known substitutes for 00D5021: 00D5020, 00D5022, 47J0218. 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.