Caldera SN-4491 Max 2TB PCIe 4.0 NVMe M.2 2230 SSD
SSDs · Caldera · SKU SN4491-MAX · Released 2023 · Updated 2026-10-19
Key facts
| Benchmark index | 9,410 (SSDs scale) |
|---|---|
| Category rank | #46,783 |
| Street price | $289 |
| Power | 6 W (active) |
| Performance per dollar | 32.56 |
| Released | 2023 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-4491 Max |
| Capacity | 2 TB |
| Form factor | M.2 2230 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 4,800 MB/s |
| Sequential write | 3,700 MB/s |
| Random 4K read | 890K IOPS |
| NAND | 3D TLC, 238-layer |
| Cache | DDR4 DRAM, 2 GB |
| Endurance | 1,200 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-9201 Pro 1TB SATA 2.5-inch SSD | 3,266 | $29 | Compare |
| Novexa SN-9472 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,050 | $409 | Compare |
| Caldera SN-5894 Edge 4TB PCIe 4.0 NVMe M.2 2280 SSD | 9,630 | $269 | Compare |
| Novexa SN-5998 Max 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,117 | $309 | Compare |
| Caldera SN-2114 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,756 | $239 | Compare |
| Novexa SN-5703 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,550 | $279 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-4491 Max 2TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/41003305 (accessed 2026-10-19).