Hardware Spec Index

Caldera DR-5640 XT DDR4-4000 64GB (2×32GB) CL19 Kit

Memory · Caldera · SKU DR5640-XT · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index7,150 (Memory scale)
Category rank#5,109
Street price$289
Power7 W
Performance per dollar24.74
Released2023

Specifications

BrandCaldera
ModelCaldera DR-5640 XT
Memory typeDDR4 UDIMM (288-pin)
SpeedDDR4-4000 (4,000 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings19-21-21-42
CAS latencyCL19
First-word latency9.50 ns
Voltage1.35 V
ProfileIntel XMP 2.0
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderAluminum, no lighting

Related guides

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

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All Memory · JSON

Cite this page: Hardware Spec Index, “Caldera DR-5640 XT DDR4-4000 64GB (2×32GB) CL19 Kit”, https://vextor7.com/item/20120403 (accessed 2026-10-19).