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A comment on All AMD ThreadRipper CPU's will have 64 PCIe Lanes. Parent comment
M.2 SSDs supports up to PCIe 4x, though there are also PCIe card formats which support 8x and 16x: http://blog.seagate.com/intelligent/seagate-demonstrates-fas...
> How many lanes need something like NVisia 1080Ti?
16 per (technically they need 4 per — that's what TB3 gives — or possibly less, but they'll use 16 if they can)
> If I want to build something like 1 CPU/1 GPU/1 SSD configuration without additional peripherals, 62 lanes will be effectively wasted?
You're at 24 lanes for the GPU (16), SSD (4) and southbridge (4). And unused lanes are no more wasted than unused USB slots, seriously.
But remember that Threadripper is an enthusiast's platform, people who might have 2~4 SSDs (8~16 lanes) or SLI GPUs (2x16).
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M.2 SSDs supports up to PCIe 4x, though there are also PCIe card formats which support 8x and 16x: http://blog.seagate.com/intelligent/seagate-demonstrates-fas...
> How many lanes need something like NVisia 1080Ti?
16 per (technically they need 4 per — that's what TB3 gives — or possibly less, but they'll use 16 if they can)
> If I want to build something like 1 CPU/1 GPU/1 SSD configuration without additional peripherals, 62 lanes will be effectively wasted?
You're at 24 lanes for the GPU (16), SSD (4) and southbridge (4). And unused lanes are no more wasted than unused USB slots, seriously.
But remember that Threadripper is an enthusiast's platform, people who might have 2~4 SSDs (8~16 lanes) or SLI GPUs (2x16).