Hardware Spec Index

Caldera SN-7478 Plus 1TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Caldera · SKU SN7478-PLUS · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index5,250 (SSDs scale)
Category rank#26,517
Street price$59
Power8 W (active)
Performance per dollar88.98
Released2021

Specifications

BrandCaldera
ModelCaldera SN-7478 Plus
Capacity1 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,900 MB/s
Sequential write5,300 MB/s
Random 4K read1,230K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
Endurance600 TBW (0.55 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-7478 Plus 1TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/649401 (accessed 2026-10-21).