Caldera SN-2455 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN2455-ULTRA · Released 2025 · Updated 2026-10-23
Key facts
| Benchmark index | 7,710 (SSDs scale) |
|---|---|
| Category rank | #44,626 |
| Street price | $159 |
| Power | 7 W (active) |
| Performance per dollar | 48.49 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-2455 Ultra |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,400 MB/s |
| Sequential write | 7,000 MB/s |
| Random 4K read | 1,100K IOPS |
| NAND | 3D TLC, 238-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 600 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 |
|---|---|---|---|
| Caldera SN-4180 Max 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,522 | $419 | Compare |
| Novexa SN-6057 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,584 | $399 | Compare |
| Altrix SN-8450 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,166 | $209 | Compare |
| Novexa SN-8110 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,351 | $569 | Compare |
| Strivon SN-5852 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD | 8,249 | $189 | Compare |
| Altrix SN-4987 Max 8TB PCIe 4.0 NVMe M.2 2280 SSD | 11,538 | $399 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-2455 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2864150 (accessed 2026-10-23).