Hardware Spec Index

Teralux DR-8421 Ultra DDR5-6400 48GB (2×24GB) CL32 Kit

Memory · Teralux · SKU DR8421-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index5,790 (Memory scale)
Category rank#44,825
Street price$129
Power9 W
Performance per dollar44.88
Released2023

Specifications

BrandTeralux
ModelTeralux DR-8421 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity48 GB (2 × 24 GB)
Timings32-38-38-99
CAS latencyCL32
First-word latency10.00 ns
Voltage1.35 V
ProfileXMP 3.0 + EXPO
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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All Memory · JSON

Cite this page: Hardware Spec Index, “Teralux DR-8421 Ultra DDR5-6400 48GB (2×24GB) CL32 Kit”, https://vextor7.com/item/9822342 (accessed 2026-10-20).