Hardware Spec Index

Lumora DR-4646 Ultra DDR5-6400 64GB (4×16GB) CL32 Kit

Memory · Lumora · SKU DR4646-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index5,653 (Memory scale)
Category rank#29,685
Street price$129
Power18 W
Performance per dollar43.82
Released2024

Specifications

BrandLumora
ModelLumora DR-4646 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings32-40-40-96
CAS latencyCL32
First-word latency10.00 ns
Voltage1.35 V
ProfileXMP 3.0 + 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-4646 Ultra DDR5-6400 64GB (4×16GB) CL32 Kit”, https://vextor7.com/item/41910375 (accessed 2026-10-26).