Hardware Spec Index

Mirenta DR-4877 XT DDR5-8400 64GB (4×16GB) CL40 Kit

Memory · Mirenta · SKU DR4877-XT · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index7,648 (Memory scale)
Category rank#10,085
Street price$319
Power22 W
Performance per dollar23.97
Released2022

Specifications

BrandMirenta
ModelMirenta DR-4877 XT
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings40-48-48-104
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-4877 XT DDR5-8400 64GB (4×16GB) CL40 Kit”, https://vextor7.com/item/4490436 (accessed 2026-10-20).