Hardware Spec Index

Mirenta DR-4631 Ultra DDR5-6400 48GB (2×24GB) CL32 Kit

Memory · Mirenta · SKU DR4631-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index6,464 (Memory scale)
Category rank#11,210
Street price$189
Power10 W
Performance per dollar34.20
Released2025

Specifications

BrandMirenta
ModelMirenta DR-4631 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity48 GB (2 × 24 GB)
Timings32-36-36-77
CAS latencyCL32
First-word latency10.00 ns
Voltage1.35 V
ProfileAMD EXPO
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, “Mirenta DR-4631 Ultra DDR5-6400 48GB (2×24GB) CL32 Kit”, https://vextor7.com/item/68303949 (accessed 2026-10-20).