Hardware Spec Index

Caldera DR-6621 Ultra DDR5-7600 64GB (4×16GB) CL38 Kit

Memory · Caldera · SKU DR6621-ULTRA · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index7,307 (Memory scale)
Category rank#1,551
Street price$289
Power22 W
Performance per dollar25.28
Released2026

Specifications

BrandCaldera
ModelCaldera DR-6621 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-7600 (7,600 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings38-38-38-110
CAS latencyCL38
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-6621 Ultra DDR5-7600 64GB (4×16GB) CL38 Kit”, https://vextor7.com/item/83950700 (accessed 2026-10-26).