Hardware Spec Index

Lumora DR-2557 Ultra DDR4-2666 16GB (2×8GB) CL16 Kit

Memory · Lumora · SKU DR2557-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index4,230 (Memory scale)
Category rank#34,519
Street price$69
Power5 W
Performance per dollar61.30
Released2021

Specifications

BrandLumora
ModelLumora DR-2557 Ultra
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-2666 (2,666 MT/s)
Kit capacity16 GB (2 × 8 GB)
Timings16-16-16-42
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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Cite this page: Hardware Spec Index, “Lumora DR-2557 Ultra DDR4-2666 16GB (2×8GB) CL16 Kit”, https://vextor7.com/item/8959362 (accessed 2026-10-22).