Hardware Spec Index

Caldera SN-4478 Pro 2TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Caldera · SKU SN4478-PRO · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index11,876 (SSDs scale)
Category rank#15,134
Street price$349
Power5 W (active)
Performance per dollar34.03
Released2021

Specifications

BrandCaldera
ModelCaldera SN-4478 Pro
Capacity2 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,500 MB/s
Sequential write5,200 MB/s
Random 4K read730K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 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

Similar SSDs

ModelBenchmarkPriceCompare
Novexa SN-9822 Edge 1TB SATA 2.5-inch SSD3,748$39Compare
Mirenta SN-7646 Core 8TB PCIe 5.0 NVMe M.2 2280 SSD13,051$439Compare
Mirenta SN-5295 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD7,595$159Compare
Novexa SN-1056 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD9,190$219Compare
Caldera SN-6750 Edge 2TB PCIe 5.0 NVMe M.2 2280 SSD11,145$369Compare
Strivon SN-3654 Ti 500GB PCIe 4.0 NVMe M.2 2280 SSD4,807$49Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-4478 Pro 2TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/105586 (accessed 2026-10-23).