Caldera SN-8668 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN8668-XT · Released 2021 · Updated 2026-10-25
Key facts
| Benchmark index | 4,742 (SSDs scale) |
|---|---|
| Category rank | #35,801 |
| Street price | $49 |
| Power | 6 W (active) |
| Performance per dollar | 96.78 |
| Released | 2021 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-8668 XT |
| Capacity | 500 GB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,400 MB/s |
| Sequential write | 3,000 MB/s |
| Random 4K read | 1,260K IOPS |
| NAND | 3D QLC, 176-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 180 TBW (0.33 DWPD) |
| Warranty | 3 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-5388 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD | 12,453 | $409 | Compare |
| Caldera SN-1423 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD | 14,365 | $489 | Compare |
| Altrix SN-3212 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD | 8,019 | $159 | Compare |
| Caldera SN-9451 Ultra 2TB PCIe 4.0 NVMe M.2 2230 SSD | 9,571 | $219 | Compare |
| Altrix SN-6369 Max 4TB PCIe 4.0 NVMe M.2 2280 SSD | 12,512 | $429 | Compare |
| Altrix SN-5110 Pro 2TB PCIe 4.0 NVMe M.2 2230 SSD | 11,633 | $349 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-8668 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6750141 (accessed 2026-10-25).