Hardware Spec Index

Teralux DR-9891 XT DDR5-8400 64GB (4×16GB) CL40 Kit

Memory · Teralux · SKU DR9891-XT · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index7,979 (Memory scale)
Category rank#16,391
Street price$309
Power22 W
Performance per dollar25.82
Released2025

Specifications

BrandTeralux
ModelTeralux DR-9891 XT
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings40-42-42-116
CAS latencyCL40
First-word latency9.52 ns
Voltage1.40 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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Cite this page: Hardware Spec Index, “Teralux DR-9891 XT DDR5-8400 64GB (4×16GB) CL40 Kit”, https://vextor7.com/item/9639746 (accessed 2026-10-20).