Hardware Spec Index

Caldera SN-4447 Pro 1TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Caldera · SKU SN4447-PRO · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index7,543 (SSDs scale)
Category rank#6,748
Street price$139
Power7 W (active)
Performance per dollar54.27
Released2026

Specifications

BrandCaldera
ModelCaldera SN-4447 Pro
Capacity1 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,200 MB/s
Sequential write5,800 MB/s
Random 4K read1,320K IOPS
NAND3D TLC, 238-layer
CacheDRAM-less (HMB)
Endurance600 TBW (0.33 DWPD)
Warranty5 years
HeatsinkHeatsink edition available

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0

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Cite this page: Hardware Spec Index, “Caldera SN-4447 Pro 1TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/92373312 (accessed 2026-10-20).