Hardware Spec Index

Caldera DR-6646 XT DDR5-6800 64GB (4×16GB) CL34 Kit

Memory · Caldera · SKU DR6646-XT · Released 2024 · Updated 2026-10-18

Key facts

Benchmark index7,118 (Memory scale)
Category rank#16,600
Street price$199
Power20 W
Performance per dollar35.77
Released2024

Specifications

BrandCaldera
ModelCaldera DR-6646 XT
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6800 (6,800 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings34-42-42-85
CAS latencyCL34
First-word latency10.00 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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All Memory · JSON

Cite this page: Hardware Spec Index, “Caldera DR-6646 XT DDR5-6800 64GB (4×16GB) CL34 Kit”, https://vextor7.com/item/776205 (accessed 2026-10-18).