Hardware Spec Index

Lumora DR-3981 XT DDR4-2666 16GB (2×8GB) CL19 Kit

Memory · Lumora · SKU DR3981-XT · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index4,052 (Memory scale)
Category rank#41,174
Street price$69
Power5 W
Performance per dollar58.72
Released2019

Specifications

BrandLumora
ModelLumora DR-3981 XT
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-2666 (2,666 MT/s)
Kit capacity16 GB (2 × 8 GB)
Timings19-27-27-59
CAS latencyCL19
First-word latency14.25 ns
Voltage1.20 V
ProfileJEDEC (no profile needed)
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderAluminum, no 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-3981 XT DDR4-2666 16GB (2×8GB) CL19 Kit”, https://vextor7.com/item/4353440 (accessed 2026-10-21).