Hardware Spec Index

Caldera DR-9845 Ultra DDR5-8400 128GB (4×32GB) CL40 Kit

Memory · Caldera · SKU DR9845-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index8,900 (Memory scale)
Category rank#32,089
Street price$379
Power23 W
Performance per dollar23.48
Released2024

Specifications

BrandCaldera
ModelCaldera DR-9845 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings40-46-46-96
CAS latencyCL40
First-word latency9.52 ns
Voltage1.40 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-9845 Ultra DDR5-8400 128GB (4×32GB) CL40 Kit”, https://vextor7.com/item/21475116 (accessed 2026-10-23).