Hardware Spec Index

Mirenta DR-4639 Plus DDR5-8000 64GB (4×16GB) CL40 SO-DIMM Kit

Memory · Mirenta · SKU DR4639-PLUS · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index7,575 (Memory scale)
Category rank#17,588
Street price$309
Power22 W
Performance per dollar24.51
Released2025

Specifications

BrandMirenta
ModelMirenta DR-4639 Plus
Memory typeDDR5 SO-DIMM (262-pin)
SpeedDDR5-8000 (8,000 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings40-42-42-124
CAS latencyCL40
First-word latency10.00 ns
Voltage1.40 V
ProfileAMD EXPO
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, “Mirenta DR-4639 Plus DDR5-8000 64GB (4×16GB) CL40 SO-DIMM Kit”, https://vextor7.com/item/21311305 (accessed 2026-10-21).