Hardware Spec Index

Lumora DR-4278 Prime DDR5-8400 128GB (4×32GB) CL40 Kit

Memory · Lumora · SKU DR4278-PRIME · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index7,638 (Memory scale)
Category rank#32,140
Street price$339
Power22 W
Performance per dollar22.53
Released2022

Specifications

BrandLumora
ModelLumora DR-4278 Prime
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings40-48-48-116
CAS latencyCL40
First-word latency9.52 ns
Voltage1.40 V
ProfileAMD EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, RGB lighting

Related guides

DDR5 Memory ExplainedDDR4 vs DDR5CAS Latency (CL) and RAM TimingsXMP vs EXPO

Similar Memory

ModelBenchmarkPriceCompare
Lumora DR-3231 XT DDR4-3200 16GB (2×8GB) CL16 Kit5,108$119Compare
Altrix DR-6585 Core DDR4-3200 16GB (2×8GB) CL16 Kit3,819$59Compare
Teralux DR-5392 Ti DDR4-3600 64GB (2×32GB) CL18 Kit8,483$339Compare
Lumora DR-3055 Ultra DDR4-3200 16GB (2×8GB) CL16 Kit5,099$119Compare
Altrix DR-2508 SE DDR4-3200 16GB (2×8GB) CL16 Kit4,530$99Compare
Lumora DR-2551 Ti DDR5-6400 32GB (2×16GB) CL34 Kit4,659$99Compare

All Memory · JSON

Cite this page: Hardware Spec Index, “Lumora DR-4278 Prime DDR5-8400 128GB (4×32GB) CL40 Kit”, https://vextor7.com/item/793948 (accessed 2026-10-19).