Hardware Spec Index

Caldera SN-1421 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1421-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index13,497 (SSDs scale)
Category rank#26,536
Street price$489
Power6 W (active)
Performance per dollar27.60
Released2023

Specifications

BrandCaldera
ModelCaldera SN-1421 Ultra
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,400 MB/s
Sequential write6,500 MB/s
Random 4K read1,180K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 TBW (0.33 DWPD)
Warranty5 years
HeatsinkNone

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-1421 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/8976816 (accessed 2026-10-26).