Hardware Spec Index

Caldera SN-8402 Ultra 1TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Caldera · SKU SN8402-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index8,260 (SSDs scale)
Category rank#22,378
Street price$189
Power8 W (active)
Performance per dollar43.70
Released2024

Specifications

BrandCaldera
ModelCaldera SN-8402 Ultra
Capacity1 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,100 MB/s
Sequential write4,500 MB/s
Random 4K read760K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 1 GB
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-8402 Ultra 1TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/7982128 (accessed 2026-10-26).