Hardware Spec Index

Caldera DR-6661 Ultra DDR4-4000 64GB (2×32GB) CL18 Kit

Memory · Caldera · SKU DR6661-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index8,894 (Memory scale)
Category rank#24,033
Street price$349
Power8 W
Performance per dollar25.48
Released2021

Specifications

BrandCaldera
ModelCaldera DR-6661 Ultra
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-4000 (4,000 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings18-22-22-40
CAS latencyCL18
First-word latency9.00 ns
Voltage1.35 V
ProfileIntel XMP 2.0
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderAluminum, RGB lighting

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Cite this page: Hardware Spec Index, “Caldera DR-6661 Ultra DDR4-4000 64GB (2×32GB) CL18 Kit”, https://vextor7.com/item/21313463 (accessed 2026-10-21).