Hardware Spec Index

Altrix DR-3643 Ultra DDR5-6400 64GB (4×16GB) CL32 Kit

Memory · Altrix · SKU DR3643-ULTRA · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index5,774 (Memory scale)
Category rank#2,234
Street price$139
Power18 W
Performance per dollar41.54
Released2024

Specifications

BrandAltrix
ModelAltrix DR-3643 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings32-36-36-96
CAS latencyCL32
First-word latency10.00 ns
Voltage1.35 V
ProfileAMD EXPO
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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Cite this page: Hardware Spec Index, “Altrix DR-3643 Ultra DDR5-6400 64GB (4×16GB) CL32 Kit”, https://vextor7.com/item/4392406 (accessed 2026-10-24).