Hardware Spec Index

Lumora DR-7781 XT DDR5-6800 64GB (2×32GB) CL34 SO-DIMM Kit

Memory · Lumora · SKU DR7781-XT · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index5,273 (Memory scale)
Category rank#45,386
Street price$139
Power9 W
Performance per dollar37.94
Released2025

Specifications

BrandLumora
ModelLumora DR-7781 XT
Memory typeDDR5 SO-DIMM (262-pin)
SpeedDDR5-6800 (6,800 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings34-40-40-82
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 spreaderNone (low profile)

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-7781 XT DDR5-6800 64GB (2×32GB) CL34 SO-DIMM Kit”, https://vextor7.com/item/792348 (accessed 2026-10-23).