Hardware Spec Index

Teralux DR-3858 Ultra DDR5-8400 128GB (4×32GB) CL40 SO-DIMM Kit

Memory · Teralux · SKU DR3858-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index8,634 (Memory scale)
Category rank#11,841
Street price$319
Power23 W
Performance per dollar27.07
Released2023

Specifications

BrandTeralux
ModelTeralux DR-3858 Ultra
Memory typeDDR5 SO-DIMM (262-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings40-40-40-112
CAS latencyCL40
First-word latency9.52 ns
Voltage1.40 V
ProfileXMP 3.0 + EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderNone (low profile)

Related guides

DDR5 Memory ExplainedDDR4 vs DDR5CAS Latency (CL) and RAM TimingsXMP vs EXPO

Similar Memory

ModelBenchmarkPriceCompare
Altrix DR-6591 Plus DDR4-4000 32GB (4×8GB) CL18 Kit8,288$349Compare
Caldera DR-2175 Plus DDR5-4800 32GB (2×16GB) CL40 Kit2,654$29Compare
Teralux DR-3080 Plus DDR4-3200 32GB (2×16GB) CL16 Kit6,157$139Compare
Lumora DR-4722 Plus DDR5-6800 48GB (2×24GB) CL34 Kit5,584$169Compare
Teralux DR-1052 Core DDR4-3200 16GB (2×8GB) CL16 Kit5,737$149Compare
Caldera DR-3665 SE DDR5-6400 32GB (2×16GB) CL34 Kit4,560$99Compare

All Memory · JSON

Cite this page: Hardware Spec Index, “Teralux DR-3858 Ultra DDR5-8400 128GB (4×32GB) CL40 SO-DIMM Kit”, https://vextor7.com/item/21917448 (accessed 2026-10-26).