Hardware Spec Index

Mirenta DR-4781 Ultra DDR5-6800 64GB (2×32GB) CL34 Kit

Memory · Mirenta · SKU DR4781-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index5,919 (Memory scale)
Category rank#36,187
Street price$149
Power9 W
Performance per dollar39.72
Released2025

Specifications

BrandMirenta
ModelMirenta DR-4781 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6800 (6,800 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings34-40-40-78
CAS latencyCL34
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

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Cite this page: Hardware Spec Index, “Mirenta DR-4781 Ultra DDR5-6800 64GB (2×32GB) CL34 Kit”, https://vextor7.com/item/99346556 (accessed 2026-10-26).