Hardware Spec Index

Teralux DR-6638 Ultra DDR4-4000 64GB (2×32GB) CL18 Kit

Memory · Teralux · SKU DR6638-ULTRA · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index8,696 (Memory scale)
Category rank#26,098
Street price$339
Power8 W
Performance per dollar25.65
Released2021

Specifications

BrandTeralux
ModelTeralux DR-6638 Ultra
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-4000 (4,000 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings18-26-26-54
CAS latencyCL18
First-word latency9.00 ns
Voltage1.35 V
ProfileIntel XMP 2.0
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderAluminum, no lighting

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Cite this page: Hardware Spec Index, “Teralux DR-6638 Ultra DDR4-4000 64GB (2×32GB) CL18 Kit”, https://vextor7.com/item/19084540 (accessed 2026-10-18).