Hardware Spec Index

Caldera DR-3921 Prime DDR5-6400 64GB (2×32GB) CL32 Kit

Memory · Caldera · SKU DR3921-PRIME · Released 2026 · Updated 2026-10-27

Key facts

Benchmark index4,932 (Memory scale)
Category rank#11,449
Street price$109
Power9 W
Performance per dollar45.25
Released2026

Specifications

BrandCaldera
ModelCaldera DR-3921 Prime
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings32-40-40-93
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

DDR5 Memory ExplainedDDR4 vs DDR5CAS Latency (CL) and RAM TimingsXMP vs EXPO

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Cite this page: Hardware Spec Index, “Caldera DR-3921 Prime DDR5-6400 64GB (2×32GB) CL32 Kit”, https://vextor7.com/item/71360747 (accessed 2026-10-27).