Hardware Spec Index

Lumora DR-9731 Ultra DDR5-6400 64GB (4×16GB) CL34 SO-DIMM Kit

Memory · Lumora · SKU DR9731-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index5,905 (Memory scale)
Category rank#11,714
Street price$139
Power19 W
Performance per dollar42.48
Released2022

Specifications

BrandLumora
ModelLumora DR-9731 Ultra
Memory typeDDR5 SO-DIMM (262-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings34-34-34-88
CAS latencyCL34
First-word latency10.63 ns
Voltage1.35 V
ProfileXMP 3.0 + EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderNone (low profile)

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-9731 Ultra DDR5-6400 64GB (4×16GB) CL34 SO-DIMM Kit”, https://vextor7.com/item/24672418 (accessed 2026-10-19).