Hardware Spec Index

Teralux DR-3971 Ultra DDR5-4800 32GB (2×16GB) CL40 Kit

Memory · Teralux · SKU DR3971-ULTRA · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index3,209 (Memory scale)
Category rank#27,368
Street price$39
Power7 W
Performance per dollar82.28
Released2026

Specifications

BrandTeralux
ModelTeralux DR-3971 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-4800 (4,800 MT/s)
Kit capacity32 GB (2 × 16 GB)
Timings40-48-48-100
CAS latencyCL40
First-word latency16.67 ns
Voltage1.10 V
ProfileJEDEC (no profile needed)
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, “Teralux DR-3971 Ultra DDR5-4800 32GB (2×16GB) CL40 Kit”, https://vextor7.com/item/91360581 (accessed 2026-10-23).