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672309-581 — 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 672309-581 memory module 16 GB DDR3 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
672309-581
SPECIFICATIONS
Part Number672309-581
ManufacturerHPE
InterfaceDDR3
Capacity16GB
COMPONENT DIAGRAM
ECC 16GB 2Rx4 PC3 — RDIMM HPE NOTCH ~133.35 mm DDR3 RDIMM | 16GB | — | PC3 Notch position = DDR3 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR3 RDIMM PN 672309-581 MFR HPE 16GB —
KEY FEATURES
•
DDR3 Interface
•
16GB Capacity
•
DDR3 Memory
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 6
A2Z52AACompatible
HP 16Gb PC3-12800R 1600Mhz ECC REG DR x4 CAS-11 DIMM - Intel for Z620/Z820
compatible
682415-001Compatible
HP 16Gb PC3-12800R 1600Mhz ECC REG DR x4 CAS-11 DIMM - Intel - WS
compatible
672612-081Compatible
HP 16Gb PC3-12800R 1600Mhz ECC REG DR x4 CAS-11 DIMM - Intel v1 - G8
compatible
721101-001Compatible
HP 16Gb PC3-12800R 1600Mhz ECC REG DR x4 CAS-11 DIMM - Intel v1 - G8
compatible
672631-B21Compatible
HP 16Gb PC3-12800R 1600Mhz ECC REG DR x4 CAS-11 DIMM - Intel v1 - G8
compatible
684031-001Compatible
HP 16Gb PC3-12800R 1600Mhz ECC REG DR x4 CAS-11 DIMM - Intel v1 - G8
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 2
A2Z52AASUBSTITUTE
HP 16Gb PC3-12800R 1600Mhz ECC REG DR x4 CAS-11 DIMM - Intel - WS
HP
682415-001SUBSTITUTE
HP 16Gb PC3-12800R 1600Mhz ECC REG DR x4 CAS-11 DIMM - Intel - WS
HP
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FREQUENTLY ASKED QUESTIONS
What is 672309-581?
672309-581 is a HP 672309-581 memory module 16 GB DDR3 240-pin DIMM manufactured by HPE.
What parts can replace 672309-581?
There are 6 known substitutes for 672309-581: A2Z52AA, 682415-001, 672612-081 and 3 more. Substitute compatibility should be verified for your specific system.
Is 672309-581 still available?
672309-581 is currently Unknown.
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Last verified: September 2026