Caldera SN-6681 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN6681-MAX · Released 2020 · Updated 2026-10-22
Key facts
| Benchmark index | 6,141 (SSDs scale) |
|---|---|
| Category rank | #9,365 |
| Street price | $109 |
| Power | 8 W (active) |
| Performance per dollar | 56.34 |
| Released | 2020 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-6681 Max |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,400 MB/s |
| Sequential write | 4,400 MB/s |
| Random 4K read | 1,290K IOPS |
| NAND | 3D QLC, 232-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 720 TBW (0.33 DWPD) |
| Warranty | 3 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-6053 Edge 500GB SATA 2.5-inch SSD | 4,486 | $49 | Compare |
| Novexa SN-8467 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,084 | $429 | Compare |
| Novexa SN-6347 Ti 500GB SATA 2.5-inch SSD | 3,861 | $39 | Compare |
| Novexa SN-6179 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD | 11,519 | $439 | Compare |
| Mirenta SN-6938 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,971 | $219 | Compare |
| Novexa SN-3417 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,561 | $549 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-6681 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/93673723 (accessed 2026-10-22).