Hardware Spec Index

Teralux DR-7421 Ultra DDR5-6400 48GB (2×24GB) CL34 Kit

Memory · Teralux · SKU DR7421-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index5,879 (Memory scale)
Category rank#36,366
Street price$139
Power9 W
Performance per dollar42.29
Released2023

Specifications

BrandTeralux
ModelTeralux DR-7421 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity48 GB (2 × 24 GB)
Timings34-36-36-99
CAS latencyCL34
First-word latency10.63 ns
Voltage1.35 V
ProfileAMD 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

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All Memory · JSON

Cite this page: Hardware Spec Index, “Teralux DR-7421 Ultra DDR5-6400 48GB (2×24GB) CL34 Kit”, https://vextor7.com/item/53471042 (accessed 2026-10-22).