Caldera SN-1681 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN1681-PRO · Released 2025 · Updated 2026-10-24
Key facts
| Benchmark index | 8,604 (SSDs scale) |
|---|---|
| Category rank | #48,706 |
| Street price | $189 |
| Power | 5 W (active) |
| Performance per dollar | 45.52 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-1681 Pro |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,200 MB/s |
| Sequential write | 3,800 MB/s |
| Random 4K read | 870K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DDR4 DRAM, 2 GB |
| Endurance | 1,200 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 |
|---|---|---|---|
| Strivon SN-9447 Pro 2TB PCIe 3.0 NVMe M.2 2280 SSD | 9,126 | $189 | Compare |
| Mirenta SN-7995 XT 500GB SATA 2.5-inch SSD | 3,909 | $39 | Compare |
| Altrix SN-3731 Edge 8TB PCIe 5.0 NVMe M.2 2280 SSD | 12,515 | $379 | Compare |
| Mirenta SN-8509 Plus 4TB PCIe 3.0 NVMe M.2 2280 SSD | 11,833 | $359 | Compare |
| Novexa SN-6797 Core 4TB PCIe 5.0 NVMe M.2 2280 SSD | 12,320 | $429 | Compare |
| Caldera SN-2188 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,924 | $349 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-1681 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6464557 (accessed 2026-10-24).