Hardware Spec Index

Caldera DR-3946 Ultra DDR4-2666 8GB (2×4GB) CL16 Kit

Memory · Caldera · SKU DR3946-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index2,860 (Memory scale)
Category rank#10,341
Street price$39
Power4 W
Performance per dollar73.33
Released2021

Specifications

BrandCaldera
ModelCaldera DR-3946 Ultra
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-2666 (2,666 MT/s)
Kit capacity8 GB (2 × 4 GB)
Timings16-24-24-42
CAS latencyCL16
First-word latency12.00 ns
Voltage1.20 V
ProfileJEDEC (no profile needed)
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderAluminum, no lighting

Related guides

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

Similar Memory

ModelBenchmarkPriceCompare
Teralux DR-2633 Core DDR4-4000 64GB (2×32GB) CL18 Kit7,569$319Compare
Altrix DR-4417 Pro DDR5-7200 64GB (4×16GB) CL34 Kit7,271$269Compare
Altrix DR-7186 Prime DDR4-3200 32GB (4×8GB) CL16 Kit6,259$199Compare
Lumora DR-8648 Core DDR5-5200 32GB (2×16GB) CL40 Kit3,255$49Compare
Teralux DR-4592 Core DDR5-5600 32GB (2×16GB) CL36 Kit3,571$59Compare
Teralux DR-3228 Max DDR4-3200 32GB (4×8GB) CL16 Kit6,325$209Compare

All Memory · JSON

Cite this page: Hardware Spec Index, “Caldera DR-3946 Ultra DDR4-2666 8GB (2×4GB) CL16 Kit”, https://vextor7.com/item/95964214 (accessed 2026-10-21).