RADEON RX 580 DUAL 8GBX2 MINING COMPUTE ACCELERATOR, BULK PACK, PCIE X1_x000D_
Notes from Sapphire_x000D_
The maximum GPU support depends on the number of PCI-Express x16 slots available on the motherboard. _x000D_
For example if the motherboard has 2 x PCI-E x 16 slots available, it could support 2 units of this SKU (which contains 2x RX580), total 4x (RX580) GPUs._x000D_
There is no special manual available for this SKU from Sapphire but please note the following:_x000D_
1) This GPU is passively cooled – Sapphire suggests that installer should test the motherboard to ensure the system has adequate airflow_x000D_
2) This GPU has no display output. The installer has to set the default display to the integrated graphics chip on the motherboard when installing and using the GPU.