Hardware Spec Index

Lumora DR-3991 XT DDR5-6800 64GB (2×32GB) CL34 Kit

Memory · Lumora · SKU DR3991-XT · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index5,306 (Memory scale)
Category rank#41,448
Street price$129
Power9 W
Performance per dollar41.13
Released2024

Specifications

BrandLumora
ModelLumora DR-3991 XT
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6800 (6,800 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings34-36-36-75
CAS latencyCL34
First-word latency10.00 ns
Voltage1.35 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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Cite this page: Hardware Spec Index, “Lumora DR-3991 XT DDR5-6800 64GB (2×32GB) CL34 Kit”, https://vextor7.com/item/11110283 (accessed 2026-10-24).