Hardware Spec Index

Caldera SN-3477 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN3477-XT · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index8,185 (SSDs scale)
Category rank#13,959
Street price$179
Power8 W (active)
Performance per dollar45.73
Released2026

Specifications

BrandCaldera
ModelCaldera SN-3477 XT
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,300 MB/s
Sequential write5,400 MB/s
Random 4K read1,250K IOPS
NAND3D TLC, 238-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
Altrix SN-6450 Pro 8TB PCIe 4.0 NVMe M.2 2280 SSD13,984$529Compare
Caldera SN-4641 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD11,961$359Compare
Novexa SN-9191 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD6,514$109Compare
Mirenta SN-1847 Prime 1TB SATA 2.5-inch SSD3,371$29Compare
Caldera SN-6166 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD12,823$409Compare
Mirenta SN-4341 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD8,448$199Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-3477 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2855064 (accessed 2026-10-25).