Hardware Spec Index

Lumora DR-9947 Ultra DDR5-8000 64GB (4×16GB) CL40 Kit

Memory · Lumora · SKU DR9947-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index7,759 (Memory scale)
Category rank#8,766
Street price$279
Power22 W
Performance per dollar27.81
Released2025

Specifications

BrandLumora
ModelLumora DR-9947 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8000 (8,000 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings40-40-40-100
CAS latencyCL40
First-word latency10.00 ns
Voltage1.40 V
ProfileXMP 3.0 + EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, no lighting

Related guides

DDR5 Memory ExplainedDDR4 vs DDR5CAS Latency (CL) and RAM TimingsXMP vs EXPO

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Cite this page: Hardware Spec Index, “Lumora DR-9947 Ultra DDR5-8000 64GB (4×16GB) CL40 Kit”, https://vextor7.com/item/4364432 (accessed 2026-10-26).