Hardware Spec Index

Lumora DR-5643 Ultra DDR4-2666 8GB (2×4GB) CL16 Kit

Memory · Lumora · SKU DR5643-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index3,222 (Memory scale)
Category rank#20,818
Street price$49
Power5 W
Performance per dollar65.76
Released2019

Specifications

BrandLumora
ModelLumora DR-5643 Ultra
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-2666 (2,666 MT/s)
Kit capacity8 GB (2 × 4 GB)
Timings16-22-22-38
CAS latencyCL16
First-word latency12.00 ns
Voltage1.20 V
ProfileJEDEC (no profile needed)
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderAluminum, RGB lighting

Related guides

DDR4 vs DDR5CAS Latency (CL) and RAM TimingsDDR5 Memory ExplainedXMP vs EXPO

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All Memory · JSON

Cite this page: Hardware Spec Index, “Lumora DR-5643 Ultra DDR4-2666 8GB (2×4GB) CL16 Kit”, https://vextor7.com/item/7299176 (accessed 2026-10-22).