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442823-B21 — HP 4GB ( 2 x 2GB) FBD PC2-5300 memory module 2 x 2 GB DDR2 240-pin DIMM

HPE · DIMM
PRODUCT OVERVIEW

442823-B21: HP 4GB ( 2 x 2GB) FBD PC2-5300 memory module 2 x 2 GB DDR2 240-pin DIMM.

HP 4GB ( 2 x 2GB) FBD PC2-5300 memory module 2 x 2 GB DDR2 240-pin DIMM. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

SPECIFICATIONS
Part Number442823-B21
ManufacturerHPE
Capacity4GB
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COMPONENT DIAGRAM
ECC 4GB 2Rx4 PC4 — RDIMM HPE 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 442823-B21 MFR HPE 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 9
416472-001CompatiblePARTNER
HP 2Gb PC2-5300F 667Mhz ECC FBD DR x4 CL5 240-Pin DIMM - Intel
compatible
397413-B21CompatiblePARTNER
HP 4Gb PC2-5300F 667Mhz ECC FBD DR x4 CL5 240-Pin (2x2Gb) Memory Kit - Intel
compatible
398707-051CompatiblePARTNER
HP 2Gb PC2-5300F 667Mhz ECC FBD DR x4 CL5 240-Pin DIMM - Intel
compatible
398707-851CompatiblePARTNER
HP 2Gb PC2-5300F 667Mhz ECC FBD DR x4 CL5 240-Pin DIMM - Intel
compatible
398707-951CompatiblePARTNER
HP 2Gb PC2-5300F 667Mhz ECC FBD DR x4 CL5 240-Pin DIMM - Intel
compatible
448049-001CompatiblePARTNER
HP 2Gb PC2-5300F 667Mhz ECC FBD DR x4 CL5 240-Pin DIMM - Intel
compatible
LIFECYCLE

No lifecycle data available.

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FREQUENTLY ASKED QUESTIONS
What is 442823-B21?
442823-B21 is a HP 4GB ( 2 x 2GB) FBD PC2-5300 memory module 2 x 2 GB DDR2 240-pin DIMM manufactured by HPE.
What parts can replace 442823-B21?
There are 9 known substitutes for 442823-B21: 416472-001, 397413-B21, 398707-051 and 6 more. 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.