Hardware Spec Index

Lumora DR-4242 Prime DDR5-8400 128GB (4×32GB) CL40 SO-DIMM Kit

Memory · Lumora · SKU DR4242-PRIME · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index8,900 (Memory scale)
Category rank#19,443
Street price$359
Power24 W
Performance per dollar24.79
Released2022

Specifications

BrandLumora
ModelLumora DR-4242 Prime
Memory typeDDR5 SO-DIMM (262-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings40-42-42-108
CAS latencyCL40
First-word latency9.52 ns
Voltage1.40 V
ProfileAMD 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-4242 Prime DDR5-8400 128GB (4×32GB) CL40 SO-DIMM Kit”, https://vextor7.com/item/95964747 (accessed 2026-10-20).