Caldera SN-7781 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN7781-TI · Released 2021 · Updated 2026-10-22
Key facts
| Benchmark index | 11,208 (SSDs scale) |
|---|---|
| Category rank | #230 |
| Street price | $349 |
| Power | 8 W (active) |
| Performance per dollar | 32.11 |
| Released | 2021 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-7781 Ti |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,700 MB/s |
| Sequential write | 5,400 MB/s |
| Random 4K read | 1,270K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DDR4 DRAM, 4 GB |
| Endurance | 2,400 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-2311 Ti 1TB SATA 2.5-inch SSD | 3,570 | $29 | Compare |
| Strivon SN-2844 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 7,037 | $119 | Compare |
| Novexa SN-7034 Plus 2TB PCIe 5.0 NVMe M.2 2280 SSD | 11,170 | $289 | Compare |
| Altrix SN-6642 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD | 7,795 | $139 | Compare |
| Caldera SN-2837 Ti 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,622 | $379 | Compare |
| Novexa SN-2601 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD | 14,365 | $519 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-7781 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/19002952 (accessed 2026-10-22).