Caldera SN-1278 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN1278-XT · Released 2024 · Updated 2026-10-21
Key facts
| Benchmark index | 12,604 (SSDs scale) |
|---|---|
| Category rank | #46,191 |
| Street price | $399 |
| Power | 11 W (active) |
| Performance per dollar | 31.59 |
| Released | 2024 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-1278 XT |
| Capacity | 8 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 5.0 x4, NVMe 2.0 |
| Sequential read | 14,700 MB/s |
| Sequential write | 13,400 MB/s |
| Random 4K read | 2,370K IOPS |
| NAND | 3D TLC, 238-layer |
| Cache | LPDDR4 DRAM, 8 GB |
| Endurance | 4,800 TBW (0.33 DWPD) |
| Warranty | 5 years |
| Heatsink | Included (recommended for sustained loads) |
Related guides
NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Mirenta SN-9920 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD | 12,252 | $399 | Compare |
| Novexa SN-4384 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD | 7,346 | $159 | Compare |
| Novexa SN-3744 Plus 4TB PCIe 5.0 NVMe M.2 2280 SSD | 13,962 | $549 | Compare |
| Caldera SN-1340 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,208 | $259 | Compare |
| Strivon SN-6753 Pro 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,209 | $529 | Compare |
| Novexa SN-4462 SE 4TB PCIe 3.0 NVMe M.2 2280 SSD | 12,105 | $399 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-1278 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3880313 (accessed 2026-10-21).