Caldera SN-1686 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN1686-ULTRA · Released 2022 · Updated 2026-10-25
Key facts
| Benchmark index | 6,775 (SSDs scale) |
|---|---|
| Category rank | #47,006 |
| Street price | $119 |
| Power | 6 W (active) |
| Performance per dollar | 56.93 |
| Released | 2022 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-1686 Ultra |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,100 MB/s |
| Sequential write | 5,600 MB/s |
| Random 4K read | 930K IOPS |
| NAND | 3D TLC, 232-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 |
|---|---|---|---|
| Altrix SN-3993 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,086 | $379 | Compare |
| Strivon SN-7543 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD | 7,829 | $179 | Compare |
| Mirenta SN-5111 XT 500GB SATA 2.5-inch SSD | 3,401 | $39 | Compare |
| Strivon SN-1484 Max 4TB PCIe 5.0 NVMe M.2 2280 SSD | 14,900 | $569 | Compare |
| Caldera SN-4202 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD | 12,566 | $379 | Compare |
| Mirenta SN-4360 Pro 8TB PCIe 3.0 NVMe M.2 2280 SSD | 13,857 | $509 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-1686 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6076853 (accessed 2026-10-25).