Hardware Spec Index

Lumora DR-7781 Ultra DDR4-4000 32GB (2×16GB) CL18 Kit

Memory · Lumora · SKU DR7781-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index7,681 (Memory scale)
Category rank#49,840
Street price$249
Power7 W
Performance per dollar30.85
Released2020

Specifications

BrandLumora
ModelLumora DR-7781 Ultra
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-4000 (4,000 MT/s)
Kit capacity32 GB (2 × 16 GB)
Timings18-26-26-47
CAS latencyCL18
First-word latency9.00 ns
Voltage1.35 V
ProfileIntel XMP 2.0
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderAluminum, no lighting

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Cite this page: Hardware Spec Index, “Lumora DR-7781 Ultra DDR4-4000 32GB (2×16GB) CL18 Kit”, https://vextor7.com/item/83675944 (accessed 2026-10-21).