Hardware Spec Index

Caldera DR-3991 Ultra DDR5-7600 96GB (2×48GB) CL36 Kit

Memory · Caldera · SKU DR3991-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index6,574 (Memory scale)
Category rank#20,266
Street price$219
Power10 W
Performance per dollar30.02
Released2024

Specifications

BrandCaldera
ModelCaldera DR-3991 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-7600 (7,600 MT/s)
Kit capacity96 GB (2 × 48 GB)
Timings36-42-42-104
CAS latencyCL36
First-word latency9.47 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-3991 Ultra DDR5-7600 96GB (2×48GB) CL36 Kit”, https://vextor7.com/item/23251 (accessed 2026-10-19).