Hardware Spec Index

Caldera DR-7644 SE DDR5-8400 128GB (4×32GB) CL40 Kit

Memory · Caldera · SKU DR7644-SE · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index8,605 (Memory scale)
Category rank#39,000
Street price$319
Power23 W
Performance per dollar26.97
Released2023

Specifications

BrandCaldera
ModelCaldera DR-7644 SE
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity128 GB (4 × 32 GB)
Timings40-46-46-100
CAS latencyCL40
First-word latency9.52 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
Teralux DR-1259 Plus DDR5-6400 64GB (2×32GB) CL32 SO-DIMM Kit5,183$109Compare
Mirenta DR-8728 XT DDR5-6000 32GB (2×16GB) CL30 Kit3,784$59Compare
Mirenta DR-6415 Ti DDR4-3600 32GB (2×16GB) CL18 Kit5,791$139Compare
Teralux DR-7203 Max DDR4-4000 64GB (2×32GB) CL18 Kit8,033$329Compare
Caldera DR-7556 Plus DDR5-6000 48GB (2×24GB) CL32 Kit5,173$109Compare
Mirenta DR-1122 Pro DDR5-5200 16GB (2×8GB) CL40 Kit3,051$39Compare

All Memory · JSON

Cite this page: Hardware Spec Index, “Caldera DR-7644 SE DDR5-8400 128GB (4×32GB) CL40 Kit”, https://vextor7.com/item/2446006 (accessed 2026-10-23).