Hardware Spec Index

Lumora DR-8921 Ultra DDR5-8400 128GB (4×32GB) CL40 Kit

Memory · Lumora · SKU DR8921-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index8,900 (Memory scale)
Category rank#2,066
Street price$369
Power24 W
Performance per dollar24.12
Released2025

Specifications

BrandLumora
ModelLumora DR-8921 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings40-42-42-88
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 spreaderAluminum, no lighting

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-8921 Ultra DDR5-8400 128GB (4×32GB) CL40 Kit”, https://vextor7.com/item/9519636 (accessed 2026-10-23).