Hardware Spec Index

Caldera DR-3978 Ultra DDR5-6400 64GB (4×16GB) CL32 Kit

Memory · Caldera · SKU DR3978-ULTRA · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index6,391 (Memory scale)
Category rank#9,707
Street price$179
Power19 W
Performance per dollar35.70
Released2024

Specifications

BrandCaldera
ModelCaldera DR-3978 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings32-40-40-70
CAS latencyCL32
First-word latency10.00 ns
Voltage1.35 V
ProfileAMD EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, RGB lighting

Related guides

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Cite this page: Hardware Spec Index, “Caldera DR-3978 Ultra DDR5-6400 64GB (4×16GB) CL32 Kit”, https://vextor7.com/item/45808706 (accessed 2026-10-24).