Caldera SN-4476 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN4476-PRIME · Released 2025 · Updated 2026-10-19
Key facts
| Benchmark index | 10,242 (SSDs scale) |
|---|---|
| Category rank | #14,483 |
| Street price | $309 |
| Power | 7 W (active) |
| Performance per dollar | 33.15 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-4476 Prime |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,600 MB/s |
| Sequential write | 6,400 MB/s |
| Random 4K read | 780K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DDR4 DRAM, 4 GB |
| Endurance | 2,400 TBW (0.33 DWPD) |
| Warranty | 5 years |
| Heatsink | Heatsink edition available |
Related guides
NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Novexa SN-1406 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD | 11,223 | $329 | Compare |
| Caldera SN-4342 Ti 8TB PCIe 5.0 NVMe M.2 2280 SSD | 12,657 | $469 | Compare |
| Mirenta SN-6595 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD | 12,187 | $419 | Compare |
| Caldera SN-1163 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD | 8,219 | $179 | Compare |
| Altrix SN-2374 SE 2TB PCIe 3.0 NVMe M.2 2280 SSD | 10,637 | $319 | Compare |
| Altrix SN-6653 Ultra 500GB SATA 2.5-inch SSD | 4,183 | $39 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-4476 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2917331 (accessed 2026-10-19).