Hardware Spec Index

Caldera DR-7640 Max DDR5-8000 64GB (4×16GB) CL40 Kit

Memory · Caldera · SKU DR7640-MAX · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index8,222 (Memory scale)
Category rank#43,779
Street price$309
Power22 W
Performance per dollar26.61
Released2024

Specifications

BrandCaldera
ModelCaldera DR-7640 Max
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8000 (8,000 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings40-40-40-112
CAS latencyCL40
First-word latency10.00 ns
Voltage1.40 V
ProfileAMD 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
Caldera DR-3310 Plus DDR5-5600 48GB (2×24GB) CL40 Kit3,665$69Compare
Lumora DR-1025 Max DDR4-3600 64GB (2×32GB) CL18 Kit8,068$259Compare
Altrix DR-5884 Plus DDR5-5600 16GB (2×8GB) CL46 Kit3,071$39Compare
Mirenta DR-6983 Ultra DDR5-8000 64GB (4×16GB) CL40 Kit8,165$279Compare
Caldera DR-9836 XT DDR4-3000 8GB (2×4GB) CL16 Kit3,904$69Compare
Mirenta DR-1039 Ti DDR5-6400 64GB (2×32GB) CL32 Kit5,965$139Compare

All Memory · JSON

Cite this page: Hardware Spec Index, “Caldera DR-7640 Max DDR5-8000 64GB (4×16GB) CL40 Kit”, https://vextor7.com/item/258318 (accessed 2026-10-26).