Caldera SN-9540 Ultra 4TB PCIe 3.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN9540-ULTRA · Released 2019 · Updated 2026-10-21
Key facts
| Benchmark index | 13,261 (SSDs scale) |
|---|---|
| Category rank | #38,908 |
| Street price | $469 |
| Power | 6 W (active) |
| Performance per dollar | 28.28 |
| Released | 2019 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-9540 Ultra |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 3.0 x4, NVMe 1.4 |
| Sequential read | 2,900 MB/s |
| Sequential write | 2,500 MB/s |
| Random 4K read | 570K IOPS |
| NAND | 3D TLC, 238-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 |
|---|---|---|---|
| Strivon SN-4811 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD | 12,556 | $449 | Compare |
| Caldera SN-1503 Ultra 8TB PCIe 3.0 NVMe M.2 2280 SSD | 14,839 | $519 | Compare |
| Novexa SN-5659 Prime 8TB PCIe 5.0 NVMe M.2 2280 SSD | 11,317 | $349 | Compare |
| Novexa SN-6798 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD | 10,184 | $269 | Compare |
| Altrix SN-3128 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,699 | $429 | Compare |
| Caldera SN-8105 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,673 | $259 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-9540 Ultra 4TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3598973 (accessed 2026-10-21).