Hardware Spec Index

Caldera DR-6686 Ultra DDR5-7600 64GB (4×16GB) CL38 Kit

Memory · Caldera · SKU DR6686-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index6,308 (Memory scale)
Category rank#7
Street price$199
Power20 W
Performance per dollar31.70
Released2023

Specifications

BrandCaldera
ModelCaldera DR-6686 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-7600 (7,600 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings38-44-44-91
CAS latencyCL38
First-word latency10.00 ns
Voltage1.40 V
ProfileAMD EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, no lighting

Related guides

DDR5 Memory ExplainedDDR4 vs DDR5CAS Latency (CL) and RAM TimingsXMP vs EXPO

Similar Memory

ModelBenchmarkPriceCompare
Altrix DR-7089 Edge DDR4-3600 32GB (4×8GB) CL18 Kit7,879$289Compare
Altrix DR-4150 Plus DDR5-6400 64GB (2×32GB) CL34 Kit6,373$209Compare
Caldera DR-8312 Edge DDR4-3600 64GB (2×32GB) CL18 Kit7,364$269Compare
Caldera DR-9096 Edge DDR4-3200 16GB (2×8GB) CL16 Kit5,799$129Compare
Caldera DR-2125 SE DDR5-7200 64GB (4×16GB) CL36 Kit6,652$209Compare
Altrix DR-1984 Plus DDR5-8400 64GB (4×16GB) CL40 Kit8,113$269Compare

All Memory · JSON

Cite this page: Hardware Spec Index, “Caldera DR-6686 Ultra DDR5-7600 64GB (4×16GB) CL38 Kit”, https://vextor7.com/item/46439577 (accessed 2026-10-26).