Hardware Spec Index

Lumora DR-8638 Ultra DDR5-6400 64GB (4×16GB) CL34 Kit

Memory · Lumora · SKU DR8638-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index6,143 (Memory scale)
Category rank#9,126
Street price$189
Power19 W
Performance per dollar32.50
Released2024

Specifications

BrandLumora
ModelLumora DR-8638 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings34-42-42-105
CAS latencyCL34
First-word latency10.63 ns
Voltage1.35 V
ProfileIntel XMP 3.0
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-8638 Ultra DDR5-6400 64GB (4×16GB) CL34 Kit”, https://vextor7.com/item/13166170 (accessed 2026-10-22).