Hardware Spec Index

Lumora DR-3891 Ultra DDR5-4800 32GB (2×16GB) CL40 SO-DIMM Kit

Memory · Lumora · SKU DR3891-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index2,408 (Memory scale)
Category rank#13,057
Street price$29
Power6 W
Performance per dollar83.03
Released2025

Specifications

BrandLumora
ModelLumora DR-3891 Ultra
Memory typeDDR5 SO-DIMM (262-pin)
SpeedDDR5-4800 (4,800 MT/s)
Kit capacity32 GB (2 × 16 GB)
Timings40-40-40-108
CAS latencyCL40
First-word latency16.67 ns
Voltage1.10 V
ProfileJEDEC (no profile needed)
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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All Memory · JSON

Cite this page: Hardware Spec Index, “Lumora DR-3891 Ultra DDR5-4800 32GB (2×16GB) CL40 SO-DIMM Kit”, https://vextor7.com/item/6170168 (accessed 2026-10-23).