Hardware Spec Index

Mirenta DR-8639 Prime DDR4-4000 64GB (2×32GB) CL19 Kit

Memory · Mirenta · SKU DR8639-PRIME · Released 2019 · Updated 2026-10-18

Key facts

Benchmark index8,488 (Memory scale)
Category rank#22,729
Street price$369
Power8 W
Performance per dollar23.00
Released2019

Specifications

BrandMirenta
ModelMirenta DR-8639 Prime
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-4000 (4,000 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings19-19-19-44
CAS latencyCL19
First-word latency9.50 ns
Voltage1.35 V
ProfileIntel XMP 2.0
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderAluminum, no lighting

Related guides

DDR4 vs DDR5CAS Latency (CL) and RAM TimingsXMP vs EXPODDR5 Memory Explained

Similar Memory

ModelBenchmarkPriceCompare
Caldera DR-8770 SE DDR4-4000 64GB (2×32GB) CL18 Kit8,714$339Compare
Mirenta DR-2504 Max DDR5-4800 32GB (2×16GB) CL40 Kit3,071$39Compare
Lumora DR-3149 SE DDR5-6000 32GB (2×16GB) CL32 Kit4,435$99Compare
Lumora DR-9979 SE DDR5-7200 96GB (2×48GB) CL36 Kit6,529$199Compare
Teralux DR-5247 Ultra DDR5-5200 32GB (2×16GB) CL42 Kit2,674$39Compare
Altrix DR-2405 SE DDR5-5200 32GB (2×16GB) CL40 Kit3,379$49Compare

All Memory · JSON

Cite this page: Hardware Spec Index, “Mirenta DR-8639 Prime DDR4-4000 64GB (2×32GB) CL19 Kit”, https://vextor7.com/item/26979 (accessed 2026-10-18).