Hardware Spec Index

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

Memory · Lumora · SKU DR6643-SE · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index8,813 (Memory scale)
Category rank#47,671
Street price$379
Power8 W
Performance per dollar23.25
Released2025

Specifications

BrandLumora
ModelLumora DR-6643 SE
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-4000 (4,000 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings19-23-23-59
CAS latencyCL19
First-word latency9.50 ns
Voltage1.35 V
ProfileIntel XMP 2.0
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderAluminum, RGB lighting

Related guides

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Cite this page: Hardware Spec Index, “Lumora DR-6643 SE DDR4-4000 64GB (2×32GB) CL19 Kit”, https://vextor7.com/item/395872 (accessed 2026-10-19).