Caldera SN-9478 Plus 8TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN9478-PLUS · Released 2022 · Updated 2026-10-27
Key facts
| Benchmark index | 10,992 (SSDs scale) |
|---|---|
| Category rank | #43,168 |
| Street price | $329 |
| Power | 5 W (active) |
| Performance per dollar | 33.41 |
| Released | 2022 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-9478 Plus |
| Capacity | 8 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,800 MB/s |
| Sequential write | 4,200 MB/s |
| Random 4K read | 950K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DDR4 DRAM, 8 GB |
| Endurance | 4,800 TBW (0.33 DWPD) |
| Warranty | 5 years |
| Heatsink | None |
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 |
|---|---|---|---|
| Mirenta SN-2695 Pro 8TB PCIe 3.0 NVMe M.2 2280 SSD | 13,563 | $439 | Compare |
| Caldera SN-9961 Edge 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,389 | $289 | Compare |
| Mirenta SN-5431 Plus 2TB PCIe 5.0 NVMe M.2 2280 SSD | 12,522 | $379 | Compare |
| Caldera SN-4560 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,201 | $279 | Compare |
| Novexa SN-9563 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,281 | $229 | Compare |
| Altrix SN-1289 Max 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,015 | $239 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-9478 Plus 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1045858 (accessed 2026-10-27).