Hardware Spec Index

Caldera DR-6643 Prime DDR4-3200 64GB (2×32GB) CL16 Kit

Memory · Caldera · SKU DR6643-PRIME · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index6,629 (Memory scale)
Category rank#43,762
Street price$229
Power7 W
Performance per dollar28.95
Released2020

Specifications

BrandCaldera
ModelCaldera DR-6643 Prime
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-3200 (3,200 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings16-18-18-50
CAS latencyCL16
First-word latency10.00 ns
Voltage1.35 V
ProfileIntel XMP 2.0
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderAluminum, no lighting

Related guides

DDR4 vs DDR5CAS Latency (CL) and RAM TimingsXMP vs EXPODDR5 Memory Explained

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Cite this page: Hardware Spec Index, “Caldera DR-6643 Prime DDR4-3200 64GB (2×32GB) CL16 Kit”, https://vextor7.com/item/658789 (accessed 2026-10-20).