Hardware Spec Index

Caldera DR-4258 Ultra DDR5-6800 48GB (2×24GB) CL34 Kit

Memory · Caldera · SKU DR4258-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index5,846 (Memory scale)
Category rank#4,939
Street price$139
Power9 W
Performance per dollar42.06
Released2025

Specifications

BrandCaldera
ModelCaldera DR-4258 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-6800 (6,800 MT/s)
Kit capacity48 GB (2 × 24 GB)
Timings34-42-42-95
CAS latencyCL34
First-word latency10.00 ns
Voltage1.35 V
ProfileXMP 3.0 + 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

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All Memory · JSON

Cite this page: Hardware Spec Index, “Caldera DR-4258 Ultra DDR5-6800 48GB (2×24GB) CL34 Kit”, https://vextor7.com/item/96439426 (accessed 2026-10-24).