Caldera SN-2778 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN2778-XT · Released 2019 · Updated 2026-10-19
Key facts
| Benchmark index | 9,412 (SSDs scale) |
|---|---|
| Category rank | #14,590 |
| Street price | $259 |
| Power | 6 W (active) |
| Performance per dollar | 36.34 |
| Released | 2019 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-2778 XT |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 3.0 x4, NVMe 1.4 |
| Sequential read | 2,100 MB/s |
| Sequential write | 2,000 MB/s |
| Random 4K read | 470K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DDR4 DRAM, 1 GB |
| Endurance | 600 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 |
|---|---|---|---|
| Caldera SN-8442 Ultra 1TB SATA 2.5-inch SSD | 3,786 | $39 | Compare |
| Mirenta SN-2286 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD | 14,039 | $599 | Compare |
| Altrix SN-6459 Max 2TB PCIe 3.0 NVMe M.2 2280 SSD | 10,301 | $269 | Compare |
| Mirenta SN-8897 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,156 | $409 | Compare |
| Caldera SN-5676 Edge 8TB PCIe 4.0 NVMe M.2 2280 SSD | 11,513 | $409 | Compare |
| Caldera SN-6791 Edge 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,900 | $599 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-2778 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/19821498 (accessed 2026-10-19).