Hardware Spec Index

Caldera DR-9581 Ultra DDR5-8000 128GB (4×32GB) CL38 Kit

Memory · Caldera · SKU DR9581-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index8,654 (Memory scale)
Category rank#3,070
Street price$339
Power24 W
Performance per dollar25.53
Released2025

Specifications

BrandCaldera
ModelCaldera DR-9581 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8000 (8,000 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings38-40-40-95
CAS latencyCL38
First-word latency9.50 ns
Voltage1.40 V
ProfileIntel XMP 3.0
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, RGB 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-9581 Ultra DDR5-8000 128GB (4×32GB) CL38 Kit”, https://vextor7.com/item/8772821 (accessed 2026-10-23).