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5YZ55AA — Memory Specs & Substitutes

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HP · 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 5YZ55AA memory module 32 GB 1 x 32 GB DDR4 288-pin DIMM ECC. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
5YZ55AA
SPECIFICATIONS
Part Number5YZ55AA
ManufacturerHP
InterfaceDDR4
Capacity32GB
COMPONENT DIAGRAM
ECC 32GB 2Rx4 PC4 — RDIMM HP NOTCH ~133.35 mm DDR4 RDIMM | 32GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 5YZ55AA MFR HP 32GB —
KEY FEATURES
•
DDR4 Interface
•
32GB Capacity
•
DDR4 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 12
P06189-001Compatible
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - G10
compatible
5YZ55ATCompatible
HP 32GB PC4-2933Y-R ECC Reg Dr X4 Cas-21 Dimm - Intel - WS
compatible
L15417-501Compatible
HP 32GB PC4-2933Y-R ECC Reg Dr X4 Cas-21 Dimm - Intel - WS
compatible
L58118-001Compatible
HP 32GB PC4-2933Y-R ECC Reg Dr X4 Cas-21 Dimm - Intel - WS
compatible
L58566-001Compatible
HP 32GB PC4-2933Y-R ECC Reg Dr X4 Cas-21 Dimm - Intel - WS
compatible
P00924-H21Compatible
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - G10
compatible
LIFECYCLE
StatusEND OF LIFE
AvailabilitySecondary market only
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 20
L15417-501SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
L58118-001SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
L58566-001SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
P00924-B21SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
P00924-H21SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
P00924-K21SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
P00924-X21SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
P03052-091SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
P03052-091USUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
P03052-09SSUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
P03052-C91SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
P06189-001SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
P10660-B21SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
P10731-B21SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
P11770-001SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
P12402-B21SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
P12417-001SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
P12981-091SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
P13210-001SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
P14635-001SUBSTITUTE
HP 32Gb PC4-2933Y-R ECC REG DR x4 CAS-21 DIMM - Intel - WS
HP
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FREQUENTLY ASKED QUESTIONS
What is 5YZ55AA?
5YZ55AA is a HP 5YZ55AA memory module 32 GB 1 x 32 GB DDR4 288-pin DIMM ECC manufactured by HP.
What parts can replace 5YZ55AA?
There are 12 known substitutes for 5YZ55AA: P06189-001, 5YZ55AT, L15417-501 and 9 more. Substitute compatibility should be verified for your specific system.
Is 5YZ55AA still available?
5YZ55AA is currently EOL_RISK.
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PartsTable Design LLC · partstable.com
Last verified: August 2026