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442822-B21 — Memory Specs & Substitutes

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HPE · 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

HP 2GB (2 x 1GB) FBD PC2-5300 memory module 2 x 1 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.

WHERE IT FITS
442822-B21
SPECIFICATIONS
Part Number442822-B21
ManufacturerHPE
Capacity2GB
COMPONENT DIAGRAM
ECC 2GB 2Rx4 PC4 — RDIMM HPE NOTCH ~133.35 mm DDR4 RDIMM | 2GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 442822-B21 MFR HPE 2GB —
KEY FEATURES
•
2GB 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
416471-001Compatible
HP 1Gb PC2-5300F 667Mhz ECC FBD DR x8 CL5 240-Pin DIMM - Intel
compatible
397411-B21Compatible
HP 2Gb PC2-5300F 667Mhz ECC FBD DR x8 CL5 240-Pin (2x1Gb) Memory Kit - Intel
compatible
398706-051Compatible
HP 1Gb PC2-5300F 667Mhz ECC FBD DR x8 CL5 240-Pin DIMM - Intel
compatible
398706-851Compatible
HP 1Gb PC2-5300F 667Mhz ECC FBD DR x8 CL5 240-Pin DIMM - Intel
compatible
398706-951Compatible
HP 1Gb PC2-5300F 667Mhz ECC FBD DR x8 CL5 240-Pin DIMM - Intel
compatible
445224-B21Compatible
HP 1Gb PC2-5300F 667Mhz ECC FBD DR x8 CL5 240-Pin (1x1Gb) Memory Kit - Intel for DL180 G1
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 442822-B21?
442822-B21 is a HP 2GB (2 x 1GB) FBD PC2-5300 memory module 2 x 1 GB DDR2 240-pin DIMM manufactured by HPE.
What parts can replace 442822-B21?
There are 8 known substitutes for 442822-B21: 416471-001, 397411-B21, 398706-051 and 5 more. Substitute compatibility should be verified for your specific system.
Is 442822-B21 still available?
442822-B21 is currently Unknown.
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Last verified: September 2026