Hardware Spec Index

Caldera DR-6639 Ultra DDR4-3600 16GB (2×8GB) CL18 Kit

Memory · Caldera · SKU DR6639-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index5,846 (Memory scale)
Category rank#7,013
Street price$159
Power6 W
Performance per dollar36.77
Released2025

Specifications

BrandCaldera
ModelCaldera DR-6639 Ultra
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-3600 (3,600 MT/s)
Kit capacity16 GB (2 × 8 GB)
Timings18-26-26-41
CAS latencyCL18
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-6639 Ultra DDR4-3600 16GB (2×8GB) CL18 Kit”, https://vextor7.com/item/50358573 (accessed 2026-10-26).