Caldera SN-6680 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN6680-XT · Released 2024 · Updated 2026-10-20
Key facts
| Benchmark index | 4,789 (SSDs scale) |
|---|---|
| Category rank | #19,508 |
| Street price | $49 |
| Power | 8 W (active) |
| Performance per dollar | 97.73 |
| Released | 2024 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-6680 XT |
| Capacity | 500 GB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,400 MB/s |
| Sequential write | 4,600 MB/s |
| Random 4K read | 950K IOPS |
| NAND | 3D QLC, 238-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 180 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-1439 Core 4TB PCIe 3.0 NVMe M.2 2280 SSD | 10,238 | $269 | Compare |
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| Strivon SN-6608 Max 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,554 | $429 | Compare |
| Novexa SN-4996 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,778 | $239 | Compare |
| Novexa SN-2270 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,776 | $199 | Compare |
| Altrix SN-7267 Max 8TB PCIe 5.0 NVMe M.2 2280 SSD | 10,787 | $259 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-6680 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/20149803 (accessed 2026-10-20).