Hardware Spec Index

Caldera DR-7639 Ultra DDR5-5600 32GB (2×16GB) CL46 SO-DIMM Kit

Memory · Caldera · SKU DR7639-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index3,505 (Memory scale)
Category rank#5,739
Street price$49
Power7 W
Performance per dollar71.53
Released2025

Specifications

BrandCaldera
ModelCaldera DR-7639 Ultra
Memory typeDDR5 SO-DIMM (262-pin)
SpeedDDR5-5600 (5,600 MT/s)
Kit capacity32 GB (2 × 16 GB)
Timings46-52-52-110
CAS latencyCL46
First-word latency16.43 ns
Voltage1.10 V
ProfileJEDEC (no profile needed)
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderNone (low profile)

Related guides

DDR5 Memory ExplainedDDR4 vs DDR5CAS Latency (CL) and RAM TimingsXMP vs EXPO

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All Memory · JSON

Cite this page: Hardware Spec Index, “Caldera DR-7639 Ultra DDR5-5600 32GB (2×16GB) CL46 SO-DIMM Kit”, https://vextor7.com/item/20203234 (accessed 2026-10-21).