Hardware Spec Index

Caldera DR-7656 Prime DDR5-8400 128GB (4×32GB) CL40 Kit

Memory · Caldera · SKU DR7656-PRIME · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index7,671 (Memory scale)
Category rank#45,247
Street price$309
Power22 W
Performance per dollar24.83
Released2022

Specifications

BrandCaldera
ModelCaldera DR-7656 Prime
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings40-42-42-92
CAS latencyCL40
First-word latency9.52 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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Cite this page: Hardware Spec Index, “Caldera DR-7656 Prime DDR5-8400 128GB (4×32GB) CL40 Kit”, https://vextor7.com/item/41914941 (accessed 2026-10-26).