Hardware Spec Index

Teralux DR-3991 XT DDR4-2666 8GB (2×4GB) CL16 SO-DIMM Kit

Memory · Teralux · SKU DR3991-XT · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index2,896 (Memory scale)
Category rank#38,276
Street price$39
Power5 W
Performance per dollar74.26
Released2020

Specifications

BrandTeralux
ModelTeralux DR-3991 XT
Memory typeDDR4 SO-DIMM (260-pin)
SpeedDDR4-2666 (2,666 MT/s)
Kit capacity8 GB (2 × 4 GB)
Timings16-20-20-46
CAS latencyCL16
First-word latency12.00 ns
Voltage1.20 V
ProfileJEDEC (no profile needed)
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderNone (low profile)

Related guides

DDR4 vs DDR5CAS Latency (CL) and RAM TimingsDDR5 Memory ExplainedXMP vs EXPO

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Cite this page: Hardware Spec Index, “Teralux DR-3991 XT DDR4-2666 8GB (2×4GB) CL16 SO-DIMM Kit”, https://vextor7.com/item/73315622 (accessed 2026-10-20).