t1 slot10GbE bandwidth and M.2 SSD cache, all at once E10M20-T1 helps you boost IO performance and network bandwidth simultaneously using just one PCIe expansion slot on your NAS. 10GbE ready Achieve Multi-GYes, you can, but there will be an extra slot of free space on the GPU side. The new version of the T1 (v1.2) should have 1.25 or 1.5 slot support so you can take up the least amount of space