Hardware Spec Index

Lumora DR-9781 Ultra DDR5-6400 32GB (2×16GB) CL34 SO-DIMM Kit

Memory · Lumora · SKU DR9781-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index5,309 (Memory scale)
Category rank#26,134
Street price$129
Power9 W
Performance per dollar41.16
Released2022

Specifications

BrandLumora
ModelLumora DR-9781 Ultra
Memory typeDDR5 SO-DIMM (262-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity32 GB (2 × 16 GB)
Timings34-36-36-85
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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All Memory · JSON

Cite this page: Hardware Spec Index, “Lumora DR-9781 Ultra DDR5-6400 32GB (2×16GB) CL34 SO-DIMM Kit”, https://vextor7.com/item/82327638 (accessed 2026-10-26).