Hardware Spec Index

Caldera DR-8639 Prime DDR4-4000 32GB (4×8GB) CL19 SO-DIMM Kit

Memory · Caldera · SKU DR8639-PRIME · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index8,883 (Memory scale)
Category rank#37,733
Street price$379
Power16 W
Performance per dollar23.44
Released2019

Specifications

BrandCaldera
ModelCaldera DR-8639 Prime
Memory typeDDR4 SO-DIMM (260-pin)
SpeedDDR4-4000 (4,000 MT/s)
Kit capacity32 GB (4 × 8 GB)
Timings19-25-25-46
CAS latencyCL19
First-word latency9.50 ns
Voltage1.35 V
ProfileIntel XMP 2.0
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderNone (low profile)

Related guides

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

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All Memory · JSON

Cite this page: Hardware Spec Index, “Caldera DR-8639 Prime DDR4-4000 32GB (4×8GB) CL19 SO-DIMM Kit”, https://vextor7.com/item/370317 (accessed 2026-10-20).