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HMAA8GL7AMR4N-VK — 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 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - G10. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
HMAA8GL7AMR4N-VK
SPECIFICATIONS
Part NumberHMAA8GL7AMR4N-VK
ManufacturerHPE
Capacity64GB
Speed2666MHz
COMPONENT DIAGRAM
ECC 64GB 2Rx4 PC4 2666MHz RDIMM HPE NOTCH ~133.35 mm DDR4 RDIMM | 64GB | 2666MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN HMAA8GL7AMR4N-VK MFR HPE 64GB 2666MHz
KEY FEATURES
•
64GB Capacity
•
2666MHz Speed
•
Generation 10 Platform
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
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
840759-091UCompatible
HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - G10
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HMAA8GL7AMR4N-VK?
HMAA8GL7AMR4N-VK is a HP 64Gb PC4-2666V-L Load Reduced QR x4 CAS-19 DIMM - Intel - G10 manufactured by HPE.
What parts can replace HMAA8GL7AMR4N-VK?
There are 12 known substitutes for HMAA8GL7AMR4N-VK: 815101-B21, 815101-H21, 815101-K21 and 9 more. Substitute compatibility should be verified for your specific system.
Is HMAA8GL7AMR4N-VK still available?
HMAA8GL7AMR4N-VK is currently Unknown.
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Last verified: September 2026