Hardware Spec Index

Caldera DR-5641 Ultra DDR5-6400 32GB (2×16GB) CL34 Kit

Memory · Caldera · SKU DR5641-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index4,984 (Memory scale)
Category rank#48,941
Street price$99
Power8 W
Performance per dollar50.34
Released2022

Specifications

BrandCaldera
ModelCaldera DR-5641 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity32 GB (2 × 16 GB)
Timings34-38-38-92
CAS latencyCL34
First-word latency10.63 ns
Voltage1.35 V
ProfileXMP 3.0 + EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, no lighting

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-5641 Ultra DDR5-6400 32GB (2×16GB) CL34 Kit”, https://vextor7.com/item/3259263 (accessed 2026-10-20).