Hardware Spec Index

Caldera DR-7939 Pro DDR5-6400 64GB (2×32GB) CL32 SO-DIMM Kit

Memory · Caldera · SKU DR7939-PRO · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index5,616 (Memory scale)
Category rank#23,859
Street price$129
Power9 W
Performance per dollar43.53
Released2022

Specifications

BrandCaldera
ModelCaldera DR-7939 Pro
Memory typeDDR5 SO-DIMM (262-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings32-40-40-74
CAS latencyCL32
First-word latency10.00 ns
Voltage1.35 V
ProfileAMD EXPO
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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Cite this page: Hardware Spec Index, “Caldera DR-7939 Pro DDR5-6400 64GB (2×32GB) CL32 SO-DIMM Kit”, https://vextor7.com/item/18129490 (accessed 2026-10-24).