Hardware Spec Index

Lumora DR-3857 Ultra DDR4-2666 8GB (2×4GB) CL19 Kit

Memory · Lumora · SKU DR3857-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index3,376 (Memory scale)
Category rank#10,769
Street price$49
Power5 W
Performance per dollar68.90
Released2021

Specifications

BrandLumora
ModelLumora DR-3857 Ultra
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-2666 (2,666 MT/s)
Kit capacity8 GB (2 × 4 GB)
Timings19-19-19-51
CAS latencyCL19
First-word latency14.25 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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Cite this page: Hardware Spec Index, “Lumora DR-3857 Ultra DDR4-2666 8GB (2×4GB) CL19 Kit”, https://vextor7.com/item/6083449 (accessed 2026-10-23).