Hardware Spec Index

Altrix DR-9581 Ultra DDR4-4000 64GB (2×32GB) CL18 Kit

Memory · Altrix · SKU DR9581-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index8,214 (Memory scale)
Category rank#39,639
Street price$359
Power8 W
Performance per dollar22.88
Released2024

Specifications

BrandAltrix
ModelAltrix DR-9581 Ultra
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-4000 (4,000 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings18-26-26-45
CAS latencyCL18
First-word latency9.00 ns
Voltage1.35 V
ProfileIntel XMP 2.0
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderAluminum, RGB lighting

Related guides

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

Similar Memory

ModelBenchmarkPriceCompare
Mirenta DR-5102 Ultra DDR5-8400 128GB (4×32GB) CL40 SO-DIMM Kit8,456$339Compare
Teralux DR-2563 Ultra DDR4-3000 16GB (2×8GB) CL15 SO-DIMM Kit3,660$59Compare
Caldera DR-3570 Prime DDR5-7200 64GB (2×32GB) CL36 SO-DIMM Kit6,606$219Compare
Mirenta DR-1675 Prime DDR4-3200 16GB (2×8GB) CL16 Kit4,521$89Compare
Mirenta DR-7589 Ti DDR5-5600 32GB (2×16GB) CL46 Kit3,657$49Compare
Teralux DR-3975 Ultra DDR5-7600 96GB (2×48GB) CL36 Kit7,111$189Compare

All Memory · JSON

Cite this page: Hardware Spec Index, “Altrix DR-9581 Ultra DDR4-4000 64GB (2×32GB) CL18 Kit”, https://vextor7.com/item/10445841 (accessed 2026-10-23).