Hardware Spec Index

Lumora DR-3997 Ultra DDR5-8400 64GB (4×16GB) CL40 Kit

Memory · Lumora · SKU DR3997-ULTRA · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index8,259 (Memory scale)
Category rank#13,640
Street price$279
Power22 W
Performance per dollar29.60
Released2026

Specifications

BrandLumora
ModelLumora DR-3997 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings40-46-46-100
CAS latencyCL40
First-word latency9.52 ns
Voltage1.40 V
ProfileAMD 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

Similar Memory

ModelBenchmarkPriceCompare
Lumora DR-7896 Prime DDR4-3000 16GB (2×8GB) CL16 Kit3,471$49Compare
Lumora DR-5810 Max DDR5-5600 32GB (2×16GB) CL40 Kit3,158$39Compare
Mirenta DR-8544 SE DDR5-7600 64GB (4×16GB) CL38 SO-DIMM Kit7,804$289Compare
Teralux DR-4514 Plus DDR4-2666 8GB (2×4GB) CL19 Kit2,705$39Compare
Mirenta DR-3077 XT DDR5-6000 32GB (2×16GB) CL30 SO-DIMM Kit4,750$99Compare
Teralux DR-3910 Ultra DDR4-3000 16GB (2×8GB) CL15 Kit2,652$29Compare

All Memory · JSON

Cite this page: Hardware Spec Index, “Lumora DR-3997 Ultra DDR5-8400 64GB (4×16GB) CL40 Kit”, https://vextor7.com/item/28111300 (accessed 2026-10-22).