Hardware Spec Index

Caldera DR-5581 XT DDR4-4000 32GB (4×8GB) CL19 SO-DIMM Kit

Memory · Caldera · SKU DR5581-XT · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index7,445 (Memory scale)
Category rank#9,809
Street price$299
Power14 W
Performance per dollar24.90
Released2021

Specifications

BrandCaldera
ModelCaldera DR-5581 XT
Memory typeDDR4 SO-DIMM (260-pin)
SpeedDDR4-4000 (4,000 MT/s)
Kit capacity32 GB (4 × 8 GB)
Timings19-27-27-44
CAS latencyCL19
First-word latency9.50 ns
Voltage1.35 V
ProfileIntel XMP 2.0
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderNone (low profile)

Related guides

DDR4 vs DDR5CAS Latency (CL) and RAM TimingsXMP vs EXPODDR5 Memory Explained

Similar Memory

ModelBenchmarkPriceCompare
Caldera DR-4986 Edge DDR4-3600 32GB (2×16GB) CL16 Kit6,121$139Compare
Caldera DR-7407 SE DDR5-6000 48GB (2×24GB) CL32 Kit5,180$129Compare
Teralux DR-1131 Ultra DDR4-3200 32GB (2×16GB) CL16 Kit6,601$209Compare
Lumora DR-6099 Core DDR4-3200 16GB (2×8GB) CL16 Kit4,463$99Compare
Mirenta DR-8965 Pro DDR5-8400 96GB (2×48GB) CL40 SO-DIMM Kit8,432$339Compare
Lumora DR-5526 Prime DDR4-3200 32GB (2×16GB) CL16 Kit4,614$89Compare

All Memory · JSON

Cite this page: Hardware Spec Index, “Caldera DR-5581 XT DDR4-4000 32GB (4×8GB) CL19 SO-DIMM Kit”, https://vextor7.com/item/41319752 (accessed 2026-10-23).