Hardware Spec Index

Lumora DR-5638 Prime DDR5-6400 64GB (4×16GB) CL32 Kit

Memory · Lumora · SKU DR5638-PRIME · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index5,466 (Memory scale)
Category rank#26,350
Street price$169
Power18 W
Performance per dollar32.34
Released2022

Specifications

BrandLumora
ModelLumora DR-5638 Prime
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings32-40-40-80
CAS latencyCL32
First-word latency10.00 ns
Voltage1.35 V
ProfileAMD EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, no lighting

Related guides

DDR5 Memory ExplainedDDR4 vs DDR5CAS Latency (CL) and RAM TimingsXMP vs EXPO

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All Memory · JSON

Cite this page: Hardware Spec Index, “Lumora DR-5638 Prime DDR5-6400 64GB (4×16GB) CL32 Kit”, https://vextor7.com/item/91829548 (accessed 2026-10-21).