Hardware Spec Index

Caldera DR-3943 Ultra DDR5-8000 128GB (4×32GB) CL40 Kit

Memory · Caldera · SKU DR3943-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index8,200 (Memory scale)
Category rank#43,103
Street price$359
Power24 W
Performance per dollar22.84
Released2023

Specifications

BrandCaldera
ModelCaldera DR-3943 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8000 (8,000 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings40-48-48-112
CAS latencyCL40
First-word latency10.00 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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Cite this page: Hardware Spec Index, “Caldera DR-3943 Ultra DDR5-8000 128GB (4×32GB) CL40 Kit”, https://vextor7.com/item/30038464 (accessed 2026-10-19).