Hardware Spec Index

Caldera DR-6221 Ultra DDR5-7200 64GB (2×32GB) CL36 Kit

Memory · Caldera · SKU DR6221-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index7,145 (Memory scale)
Category rank#25,996
Street price$229
Power10 W
Performance per dollar31.20
Released2022

Specifications

BrandCaldera
ModelCaldera DR-6221 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-7200 (7,200 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings36-36-36-104
CAS latencyCL36
First-word latency10.00 ns
Voltage1.40 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-6221 Ultra DDR5-7200 64GB (2×32GB) CL36 Kit”, https://vextor7.com/item/9155805 (accessed 2026-10-19).