Hardware Spec Index

Lumora DR-4181 Ultra DDR5-8400 64GB (4×16GB) CL40 SO-DIMM Kit

Memory · Lumora · SKU DR4181-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index8,153 (Memory scale)
Category rank#28,225
Street price$319
Power22 W
Performance per dollar25.56
Released2025

Specifications

BrandLumora
ModelLumora DR-4181 Ultra
Memory typeDDR5 SO-DIMM (262-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings40-46-46-116
CAS latencyCL40
First-word latency9.52 ns
Voltage1.40 V
ProfileIntel XMP 3.0
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-4181 Ultra DDR5-8400 64GB (4×16GB) CL40 SO-DIMM Kit”, https://vextor7.com/item/17538011 (accessed 2026-10-19).