Hardware Spec Index

Teralux DR-3971 Ultra DDR5-6400 32GB (2×16GB) CL32 Kit

Memory · Teralux · SKU DR3971-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index4,501 (Memory scale)
Category rank#14,110
Street price$99
Power8 W
Performance per dollar45.46
Released2024

Specifications

BrandTeralux
ModelTeralux DR-3971 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity32 GB (2 × 16 GB)
Timings32-34-34-83
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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All Memory · JSON

Cite this page: Hardware Spec Index, “Teralux DR-3971 Ultra DDR5-6400 32GB (2×16GB) CL32 Kit”, https://vextor7.com/item/3922968 (accessed 2026-10-20).