Hardware Spec Index

Lumora DR-4639 Ultra DDR4-2666 8GB (2×4GB) CL16 Kit

Memory · Lumora · SKU DR4639-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index2,426 (Memory scale)
Category rank#17,755
Street price$29
Power4 W
Performance per dollar83.66
Released2020

Specifications

BrandLumora
ModelLumora DR-4639 Ultra
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-2666 (2,666 MT/s)
Kit capacity8 GB (2 × 4 GB)
Timings16-18-18-48
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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All Memory · JSON

Cite this page: Hardware Spec Index, “Lumora DR-4639 Ultra DDR4-2666 8GB (2×4GB) CL16 Kit”, https://vextor7.com/item/891479 (accessed 2026-10-21).