Hardware Spec Index

Caldera DR-7991 Pro DDR5-6400 64GB (2×32GB) CL32 Kit

Memory · Caldera · SKU DR7991-PRO · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index6,176 (Memory scale)
Category rank#14,819
Street price$179
Power10 W
Performance per dollar34.50
Released2025

Specifications

BrandCaldera
ModelCaldera DR-7991 Pro
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6400 (6,400 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings32-34-34-74
CAS latencyCL32
First-word latency10.00 ns
Voltage1.35 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-7991 Pro DDR5-6400 64GB (2×32GB) CL32 Kit”, https://vextor7.com/item/91495949 (accessed 2026-10-23).