Hardware Spec Index

Caldera SN-9421 XT 2TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Caldera · SKU SN9421-XT · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index7,349 (SSDs scale)
Category rank#23,502
Street price$119
Power7 W (active)
Performance per dollar61.76
Released2020

Specifications

BrandCaldera
ModelCaldera SN-9421 XT
Capacity2 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,000 MB/s
Sequential write6,200 MB/s
Random 4K read790K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance400 TBW (0.18 DWPD)
Warranty3 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-9421 XT 2TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/97717396 (accessed 2026-10-26).