Hardware Spec Index

Lumora DR-4721 Ultra DDR5-6400 64GB (2×32GB) CL34 Kit

Memory · Lumora · SKU DR4721-ULTRA · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index6,062 (Memory scale)
Category rank#7,589
Street price$189
Power9 W
Performance per dollar32.07
Released2025

Specifications

BrandLumora
ModelLumora DR-4721 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings34-40-40-105
CAS latencyCL34
First-word latency10.63 ns
Voltage1.35 V
ProfileAMD EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, RGB lighting

Related guides

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

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Cite this page: Hardware Spec Index, “Lumora DR-4721 Ultra DDR5-6400 64GB (2×32GB) CL34 Kit”, https://vextor7.com/item/94550252 (accessed 2026-10-22).