Hardware Spec Index

Altrix DR-7781 Ultra DDR5-6400 64GB (4×16GB) CL32 Kit

Memory · Altrix · SKU DR7781-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index5,646 (Memory scale)
Category rank#8,568
Street price$159
Power18 W
Performance per dollar35.51
Released2022

Specifications

BrandAltrix
ModelAltrix DR-7781 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings32-40-40-86
CAS latencyCL32
First-word latency10.00 ns
Voltage1.35 V
ProfileIntel XMP 3.0
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, no lighting

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, “Altrix DR-7781 Ultra DDR5-6400 64GB (4×16GB) CL32 Kit”, https://vextor7.com/item/92636119 (accessed 2026-10-26).