Hardware Spec Index

Lumora DR-4784 Prime DDR5-8400 128GB (4×32GB) CL40 Kit

Memory · Lumora · SKU DR4784-PRIME · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index8,900 (Memory scale)
Category rank#36,215
Street price$379
Power24 W
Performance per dollar23.48
Released2023

Specifications

BrandLumora
ModelLumora DR-4784 Prime
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings40-40-40-112
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

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Cite this page: Hardware Spec Index, “Lumora DR-4784 Prime DDR5-8400 128GB (4×32GB) CL40 Kit”, https://vextor7.com/item/3684366 (accessed 2026-10-19).