Hardware Spec Index

Caldera DR-4638 Ultra DDR5-6400 32GB (2×16GB) CL34 Kit

Memory · Caldera · SKU DR4638-ULTRA · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index5,054 (Memory scale)
Category rank#26,829
Street price$109
Power9 W
Performance per dollar46.37
Released2022

Specifications

BrandCaldera
ModelCaldera DR-4638 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity32 GB (2 × 16 GB)
Timings34-38-38-75
CAS latencyCL34
First-word latency10.63 ns
Voltage1.35 V
ProfileIntel XMP 3.0
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-4638 Ultra DDR5-6400 32GB (2×16GB) CL34 Kit”, https://vextor7.com/item/6429838 (accessed 2026-10-25).