Hardware Spec Index

Teralux DR-7948 Ultra DDR5-8400 128GB (4×32GB) CL40 Kit

Memory · Teralux · SKU DR7948-ULTRA · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index8,900 (Memory scale)
Category rank#41,049
Street price$369
Power24 W
Performance per dollar24.12
Released2024

Specifications

BrandTeralux
ModelTeralux DR-7948 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings40-40-40-120
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 spreaderAluminum, no lighting

Related guides

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

Similar Memory

ModelBenchmarkPriceCompare
Mirenta DR-5612 SE DDR5-8400 96GB (2×48GB) CL40 Kit7,877$359Compare
Altrix DR-8766 Core DDR5-7200 64GB (2×32GB) CL34 Kit7,182$239Compare
Mirenta DR-1978 XT DDR4-3600 32GB (4×8GB) CL18 Kit8,463$379Compare
Lumora DR-8950 Plus DDR5-6800 96GB (2×48GB) CL34 Kit6,281$199Compare
Mirenta DR-4178 XT DDR4-4000 64GB (2×32GB) CL18 Kit8,900$359Compare
Caldera DR-8237 Edge DDR5-4800 16GB (2×8GB) CL40 SO-DIMM Kit2,131$29Compare

All Memory · JSON

Cite this page: Hardware Spec Index, “Teralux DR-7948 Ultra DDR5-8400 128GB (4×32GB) CL40 Kit”, https://vextor7.com/item/4749693 (accessed 2026-10-21).