Hardware Spec Index

Caldera DR-1791 Ultra DDR5-8400 128GB (4×32GB) CL40 Kit

Memory · Caldera · SKU DR1791-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index8,382 (Memory scale)
Category rank#13,561
Street price$299
Power23 W
Performance per dollar28.03
Released2022

Specifications

BrandCaldera
ModelCaldera DR-1791 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings40-40-40-108
CAS latencyCL40
First-word latency9.52 ns
Voltage1.40 V
ProfileAMD EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, no lighting

Related guides

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All Memory · JSON

Cite this page: Hardware Spec Index, “Caldera DR-1791 Ultra DDR5-8400 128GB (4×32GB) CL40 Kit”, https://vextor7.com/item/3830751 (accessed 2026-10-19).