Hardware Spec Index

Caldera SN-9477 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN9477-PRO · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index7,712 (SSDs scale)
Category rank#1,509
Street price$169
Power8 W (active)
Performance per dollar45.63
Released2026

Specifications

BrandCaldera
ModelCaldera SN-9477 Pro
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,200 MB/s
Sequential write6,800 MB/s
Random 4K read860K IOPS
NAND3D TLC, 232-layer
CacheDRAM-less (HMB)
Endurance600 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-6074 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD8,731$199Compare
Mirenta SN-1743 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD12,514$479Compare
Altrix SN-7765 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD5,198$59Compare
Caldera SN-2712 Prime 8TB PCIe 5.0 NVMe M.2 2280 SSD13,008$509Compare
Caldera SN-7554 SE 2TB PCIe 4.0 NVMe M.2 2230 SSD7,812$139Compare
Caldera SN-6669 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD6,882$109Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-9477 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/18375264 (accessed 2026-10-21).