Hardware Spec Index

Caldera DR-3640 Pro DDR4-2666 8GB (2×4GB) CL19 Kit

Memory · Caldera · SKU DR3640-PRO · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index3,807 (Memory scale)
Category rank#37,348
Street price$59
Power5 W
Performance per dollar64.53
Released2021

Specifications

BrandCaldera
ModelCaldera DR-3640 Pro
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-2666 (2,666 MT/s)
Kit capacity8 GB (2 × 4 GB)
Timings19-27-27-44
CAS latencyCL19
First-word latency14.25 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

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All Memory · JSON

Cite this page: Hardware Spec Index, “Caldera DR-3640 Pro DDR4-2666 8GB (2×4GB) CL19 Kit”, https://vextor7.com/item/2291015 (accessed 2026-10-18).