Hardware Spec Index

Lumora DR-6643 Prime DDR4-4000 64GB (2×32GB) CL19 Kit

Memory · Lumora · SKU DR6643-PRIME · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index8,463 (Memory scale)
Category rank#18,745
Street price$309
Power8 W
Performance per dollar27.39
Released2019

Specifications

BrandLumora
ModelLumora DR-6643 Prime
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-4000 (4,000 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings19-21-21-55
CAS latencyCL19
First-word latency9.50 ns
Voltage1.35 V
ProfileIntel XMP 2.0
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderAluminum, RGB lighting

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Cite this page: Hardware Spec Index, “Lumora DR-6643 Prime DDR4-4000 64GB (2×32GB) CL19 Kit”, https://vextor7.com/item/807131 (accessed 2026-10-19).