Hardware Spec Index

Caldera DR-3937 Ultra DDR5-6400 48GB (2×24GB) CL34 Kit

Memory · Caldera · SKU DR3937-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index4,644 (Memory scale)
Category rank#44,087
Street price$99
Power8 W
Performance per dollar46.91
Released2025

Specifications

BrandCaldera
ModelCaldera DR-3937 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity48 GB (2 × 24 GB)
Timings34-36-36-85
CAS latencyCL34
First-word latency10.63 ns
Voltage1.35 V
ProfileAMD EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, RGB lighting

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-3937 Ultra DDR5-6400 48GB (2×24GB) CL34 Kit”, https://vextor7.com/item/90142748 (accessed 2026-10-24).