Hardware Spec Index

Caldera SN-4476 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4476-PLUS · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index11,803 (SSDs scale)
Category rank#19,979
Street price$379
Power5 W (active)
Performance per dollar31.14
Released2021

Specifications

BrandCaldera
ModelCaldera SN-4476 Plus
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,800 MB/s
Sequential write3,600 MB/s
Random 4K read1,050K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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-4476 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7964941 (accessed 2026-10-22).