Hardware Spec Index

Caldera SN-7442 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7442-PRO · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index7,309 (SSDs scale)
Category rank#25,405
Street price$119
Power5 W (active)
Performance per dollar61.42
Released2021

Specifications

BrandCaldera
ModelCaldera SN-7442 Pro
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,600 MB/s
Sequential write5,700 MB/s
Random 4K read810K IOPS
NAND3D TLC, 232-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-7442 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1480129 (accessed 2026-10-22).