Hardware Spec Index

Teralux DR-4950 Ultra DDR5-8400 128GB (4×32GB) CL40 Kit

Memory · Teralux · SKU DR4950-ULTRA · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index8,819 (Memory scale)
Category rank#14,273
Street price$379
Power24 W
Performance per dollar23.27
Released2022

Specifications

BrandTeralux
ModelTeralux DR-4950 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings40-46-46-88
CAS latencyCL40
First-word latency9.52 ns
Voltage1.40 V
ProfileIntel XMP 3.0
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, RGB 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-4950 Ultra DDR5-8400 128GB (4×32GB) CL40 Kit”, https://vextor7.com/item/6590933 (accessed 2026-10-22).