Hardware Spec Index

Caldera DR-7639 Core DDR4-4000 64GB (2×32GB) CL18 SO-DIMM Kit

Memory · Caldera · SKU DR7639-CORE · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index8,617 (Memory scale)
Category rank#18,961
Street price$349
Power8 W
Performance per dollar24.69
Released2020

Specifications

BrandCaldera
ModelCaldera DR-7639 Core
Memory typeDDR4 SO-DIMM (260-pin)
SpeedDDR4-4000 (4,000 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings18-20-20-50
CAS latencyCL18
First-word latency9.00 ns
Voltage1.35 V
ProfileIntel XMP 2.0
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderNone (low profile)

Related guides

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Cite this page: Hardware Spec Index, “Caldera DR-7639 Core DDR4-4000 64GB (2×32GB) CL18 SO-DIMM Kit”, https://vextor7.com/item/630060 (accessed 2026-10-23).