PCIe2 slot not working on Z77 Extreme4

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Pretty much, its a 16x slot that runs at 4x electrically which means its going to have 14 the bandwidth You are going to lose a lot of

In the case of PCIe x8, the x8 specification indicates that the slot has eight lanes available for data transfer Each lane in PCIe The above link should give a general idea how well the RX6600 GPU card will run on your PCIe Slot 0 Likes

tarike lottery fax Slots: CPU: 1 x PCIe x16 Slot , supports modo x16* 1 x PCIe x16 Slot , supports modo x4* Chipset: 1 x PCIe x1 Slot * 1 x I own Asrock 990 FX Extreme 3 and I'm sure I put graphic card in X16 slot,it's in PCIE2 slot But why is it running in X4 mode,and how to