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A2Z50AT — 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

- Faster start-up times with fewer delays during routine operations.<br>- More programs running simultaneously.<br>- Easy toggling between several open applications.<br>- Rigorous supplier qualification processes for ensured quality.<br>- Thoroughly tested by HP for high reliability. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
A2Z50AT
SPECIFICATIONS
Part NumberA2Z50AT
ManufacturerHPE
InterfaceDDR3
Capacity8GB
COMPONENT DIAGRAM
ECC 8GB 2Rx4 PC3 — RDIMM HPE NOTCH ~133.35 mm DDR3 RDIMM | 8GB | — | PC3 Notch position = DDR3 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR3 RDIMM PN A2Z50AT MFR HPE 8GB —
KEY FEATURES
•
DDR3 Interface
•
8GB 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 8
A2Z50AACompatible
HP 8Gb PC3-12800E 1600Mhz ECC UB DR x8 CAS-11 DIMM - Intel for Z1/Zx20
compatible
677034-001Compatible
HP 8Gb PC3-12800E 1600Mhz ECC UB DR x8 CAS-11 (512Mx8) DIMM - Intel - WS
compatible
669239-581Compatible
HP 8Gb PC3-12800E 1600Mhz ECC UB DR x8 CAS-11 (512Mx8) DIMM - Intel - WS
compatible
A2H33AVCompatible
HP 8Gb PC3-12800E 1600Mhz ECC UB DR x8 CAS-11 DIMM - Intel - WS
compatible
A2H34AVCompatible
HP 32Gb PC3-12800E 1600Mhz ECC UB DR x8 CAS-11 (4x8Gb) Memory Kit - Intel - WS
compatible
669239-081Compatible
HP 8Gb PC3-12800E 1600Mhz ECC UB DR x8 CAS-11 (512Mx8) DIMM - Intel - G8
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 5
A2H33AVSUBSTITUTE
HP 8Gb PC3-12800E 1600Mhz ECC UB DR x8 CAS-11 DIMM - Intel for Z1/Zx20
HP
A2H34AVSUBSTITUTE
HP 8Gb PC3-12800E 1600Mhz ECC UB DR x8 CAS-11 DIMM - Intel for Z1/Zx20
HP
A2Z50AASUBSTITUTE
HP 8Gb PC3-12800E 1600Mhz ECC UB DR x8 CAS-11 DIMM - Intel for Z1/Zx20
HP
669239-581SUBSTITUTE
HP 8Gb PC3-12800E 1600Mhz ECC UB DR x8 CAS-11 DIMM - Intel for Z1/Zx20
HP
677034-001SUBSTITUTE
HP 8Gb PC3-12800E 1600Mhz ECC UB DR x8 CAS-11 DIMM - Intel for Z1/Zx20
HP
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FREQUENTLY ASKED QUESTIONS
What is A2Z50AT?
A2Z50AT is a HP 8GB (1x8GB) DDR3-1600 memory module 240-pin DIMM ECC manufactured by HPE.
What parts can replace A2Z50AT?
There are 8 known substitutes for A2Z50AT: A2Z50AA, 677034-001, 669239-581 and 5 more. Substitute compatibility should be verified for your specific system.
Is A2Z50AT still available?
A2Z50AT is currently Unknown.
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Last verified: September 2026