Hardware Spec Index

Caldera DR-4591 Ultra DDR5-8400 128GB (4×32GB) CL40 Kit

Memory · Caldera · SKU DR4591-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index7,974 (Memory scale)
Category rank#38,225
Street price$339
Power23 W
Performance per dollar23.52
Released2023

Specifications

BrandCaldera
ModelCaldera DR-4591 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings40-46-46-88
CAS latencyCL40
First-word latency9.52 ns
Voltage1.40 V
ProfileXMP 3.0 + EXPO
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

Similar Memory

ModelBenchmarkPriceCompare
Altrix DR-1891 Prime DDR4-4000 32GB (4×8GB) CL18 Kit7,048$229Compare
Altrix DR-8197 Pro DDR5-8400 96GB (2×48GB) CL40 SO-DIMM Kit8,819$379Compare
Lumora DR-4568 Pro DDR4-4000 32GB (4×8GB) CL18 Kit7,892$339Compare
Mirenta DR-8808 XT DDR4-3600 32GB (4×8GB) CL16 Kit7,418$279Compare
Lumora DR-8418 Max DDR4-3200 32GB (4×8GB) CL16 Kit5,731$129Compare
Lumora DR-6179 Ultra DDR5-5200 48GB (2×24GB) CL40 Kit4,075$59Compare

All Memory · JSON

Cite this page: Hardware Spec Index, “Caldera DR-4591 Ultra DDR5-8400 128GB (4×32GB) CL40 Kit”, https://vextor7.com/item/6182479 (accessed 2026-10-23).