Hardware Spec Index

Lumora DR-3921 Ultra DDR4-2666 8GB (2×4GB) CL16 Kit

Memory · Lumora · SKU DR3921-ULTRA · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index4,149 (Memory scale)
Category rank#2,864
Street price$69
Power5 W
Performance per dollar60.13
Released2020

Specifications

BrandLumora
ModelLumora DR-3921 Ultra
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-2666 (2,666 MT/s)
Kit capacity8 GB (2 × 4 GB)
Timings16-22-22-48
CAS latencyCL16
First-word latency12.00 ns
Voltage1.20 V
ProfileJEDEC (no profile needed)
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderAluminum, no lighting

Related guides

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Cite this page: Hardware Spec Index, “Lumora DR-3921 Ultra DDR4-2666 8GB (2×4GB) CL16 Kit”, https://vextor7.com/item/5496725 (accessed 2026-10-26).