Caldera SN-5681 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN5681-PRO · Released 2023 · Updated 2026-10-21
Key facts
| Benchmark index | 9,308 (SSDs scale) |
|---|---|
| Category rank | #6,113 |
| Street price | $239 |
| Power | 5 W (active) |
| Performance per dollar | 38.95 |
| Released | 2023 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-5681 Pro |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,600 MB/s |
| Sequential write | 5,100 MB/s |
| Random 4K read | 1,040K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DDR4 DRAM, 1 GB |
| 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
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| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Novexa SN-4315 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,699 | $259 | Compare |
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| Altrix SN-5634 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD | 9,752 | $239 | Compare |
| Caldera SN-5589 Ti 4TB PCIe 5.0 NVMe M.2 2280 SSD | 13,587 | $539 | Compare |
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Cite this page: Hardware Spec Index, “Caldera SN-5681 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/82949752 (accessed 2026-10-21).