Hardware Spec Index

Caldera DR-7221 Ultra DDR5-7200 128GB (4×32GB) CL34 Kit

Memory · Caldera · SKU DR7221-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index7,666 (Memory scale)
Category rank#7,675
Street price$239
Power21 W
Performance per dollar32.08
Released2023

Specifications

BrandCaldera
ModelCaldera DR-7221 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-7200 (7,200 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings34-40-40-105
CAS latencyCL34
First-word latency9.44 ns
Voltage1.40 V
ProfileAMD EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, no lighting

Related guides

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Cite this page: Hardware Spec Index, “Caldera DR-7221 Ultra DDR5-7200 128GB (4×32GB) CL34 Kit”, https://vextor7.com/item/1860133 (accessed 2026-10-24).