Hardware Spec Index

Caldera DR-5643 Ultra DDR5-8000 64GB (2×32GB) CL40 Kit

Memory · Caldera · SKU DR5643-ULTRA · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index6,950 (Memory scale)
Category rank#48,365
Street price$249
Power10 W
Performance per dollar27.91
Released2026

Specifications

BrandCaldera
ModelCaldera DR-5643 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8000 (8,000 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings40-44-44-100
CAS latencyCL40
First-word latency10.00 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

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Cite this page: Hardware Spec Index, “Caldera DR-5643 Ultra DDR5-8000 64GB (2×32GB) CL40 Kit”, https://vextor7.com/item/21789441 (accessed 2026-10-25).