Hardware Spec Index

Mirenta DR-9778 Ultra DDR5-8400 64GB (4×16GB) CL40 Kit

Memory · Mirenta · SKU DR9778-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index8,257 (Memory scale)
Category rank#8,432
Street price$289
Power22 W
Performance per dollar28.57
Released2025

Specifications

BrandMirenta
ModelMirenta DR-9778 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings40-46-46-100
CAS latencyCL40
First-word latency9.52 ns
Voltage1.40 V
ProfileAMD EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, no lighting

Related guides

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All Memory · JSON

Cite this page: Hardware Spec Index, “Mirenta DR-9778 Ultra DDR5-8400 64GB (4×16GB) CL40 Kit”, https://vextor7.com/item/28295381 (accessed 2026-10-19).