Hardware Spec Index

Lumora DR-6639 Prime DDR5-8000 64GB (4×16GB) CL40 Kit

Memory · Lumora · SKU DR6639-PRIME · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index7,937 (Memory scale)
Category rank#20,688
Street price$289
Power22 W
Performance per dollar27.46
Released2025

Specifications

BrandLumora
ModelLumora DR-6639 Prime
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8000 (8,000 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings40-44-44-100
CAS latencyCL40
First-word latency10.00 ns
Voltage1.40 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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All Memory · JSON

Cite this page: Hardware Spec Index, “Lumora DR-6639 Prime DDR5-8000 64GB (4×16GB) CL40 Kit”, https://vextor7.com/item/48759787 (accessed 2026-10-20).