Hardware Spec Index

Caldera DR-3966 Ultra DDR5-8000 128GB (4×32GB) CL38 Kit

Memory · Caldera · SKU DR3966-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index7,305 (Memory scale)
Category rank#10,681
Street price$269
Power21 W
Performance per dollar27.16
Released2025

Specifications

BrandCaldera
ModelCaldera DR-3966 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8000 (8,000 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings38-44-44-114
CAS latencyCL38
First-word latency9.50 ns
Voltage1.40 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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All Memory · JSON

Cite this page: Hardware Spec Index, “Caldera DR-3966 Ultra DDR5-8000 128GB (4×32GB) CL38 Kit”, https://vextor7.com/item/19956927 (accessed 2026-10-26).