Hardware Spec Index

Caldera DR-6491 Ultra DDR4-4000 64GB (2×32GB) CL19 SO-DIMM Kit

Memory · Caldera · SKU DR6491-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index8,640 (Memory scale)
Category rank#13,586
Street price$319
Power8 W
Performance per dollar27.08
Released2025

Specifications

BrandCaldera
ModelCaldera DR-6491 Ultra
Memory typeDDR4 SO-DIMM (260-pin)
SpeedDDR4-4000 (4,000 MT/s)
Kit capacity64 GB (2 × 32 GB)
Timings19-19-19-49
CAS latencyCL19
First-word latency9.50 ns
Voltage1.35 V
ProfileIntel XMP 2.0
ECCNon-ECC
Power managementMotherboard-regulated
Heat spreaderNone (low profile)

Related guides

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Cite this page: Hardware Spec Index, “Caldera DR-6491 Ultra DDR4-4000 64GB (2×32GB) CL19 SO-DIMM Kit”, https://vextor7.com/item/31661988 (accessed 2026-10-24).