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Q1V93A — 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 Q1V93A memory module 64 GB 1 x 64 GB DDR4 288-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
Q1V93A
SPECIFICATIONS
Part NumberQ1V93A
ManufacturerHPE
InterfaceDDR4
Capacity64GB
COMPONENT DIAGRAM
ECC 64GB 2Rx4 PC4 — RDIMM HPE NOTCH ~133.35 mm DDR4 RDIMM | 64GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN Q1V93A MFR HPE 64GB —
KEY FEATURES
•
DDR4 Interface
•
64GB 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
815101-B21Compatible
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - G10
compatible
850882-001Compatible
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - G10
compatible
815101-H21Compatible
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - G10
compatible
815101-K21Compatible
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - G10
compatible
815101-X21Compatible
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - G10
compatible
840759-091Compatible
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - G10
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 18
880842-B21SUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
882362-091SUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
882449-001SUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
HMAA8GL7AMR4N-VKSUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
P00603-001SUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
P04178-001SUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
P18446-B21SUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
P28223-B21SUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
Q2D33ASUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
815101-B21SUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
815101-H21SUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
815101-K21SUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
815101-X21SUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
840759-091SUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
840759-091USUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
840759-691SUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
840759-791SUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
850882-001SUBSTITUTE
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - Apollo kl20
HPE
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FREQUENTLY ASKED QUESTIONS
What is Q1V93A?
Q1V93A is a HP Q1V93A memory module 64 GB 1 x 64 GB DDR4 288-pin DIMM manufactured by HPE.
What parts can replace Q1V93A?
There are 12 known substitutes for Q1V93A: 815101-B21, 850882-001, 815101-H21 and 9 more. Substitute compatibility should be verified for your specific system.
Is Q1V93A still available?
Q1V93A is currently Unknown.
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Last verified: September 2026