Hardware Spec Index

Caldera DR-1681 Max DDR5-6400 64GB (2×32GB) CL34 Kit

Memory · Caldera · SKU DR1681-MAX · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index5,505 (Memory scale)
Category rank#11,613
Street price$119
Power9 W
Performance per dollar46.26
Released2025

Specifications

BrandCaldera
ModelCaldera DR-1681 Max
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings34-42-42-102
CAS latencyCL34
First-word latency10.63 ns
Voltage1.35 V
ProfileAMD 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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Cite this page: Hardware Spec Index, “Caldera DR-1681 Max DDR5-6400 64GB (2×32GB) CL34 Kit”, https://vextor7.com/item/21317371 (accessed 2026-10-21).