Hardware Spec Index

Lumora DR-3977 Prime DDR4-2666 8GB (2×4GB) CL16 Kit

Memory · Lumora · SKU DR3977-PRIME · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index2,982 (Memory scale)
Category rank#37,283
Street price$39
Power4 W
Performance per dollar76.46
Released2024

Specifications

BrandLumora
ModelLumora DR-3977 Prime
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-2666 (2,666 MT/s)
Kit capacity8 GB (2 × 4 GB)
Timings16-24-24-35
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-3977 Prime DDR4-2666 8GB (2×4GB) CL16 Kit”, https://vextor7.com/item/76528165 (accessed 2026-10-25).