How many PCIe lanes are needed for a multi GPU server?

Dual-slot Nvidia A30 Tensor Core Gpu at Best Price in Bangkok dual slot gpu Shop for 2-slot GPUs Video Graphics Cards at Best Buy Find low everyday prices and buy online for delivery or in-store pick-up dual slot gpu 2 SSD, Graphics card etc to a single PCIe slot And to And with a dual GPU setup, the power consumption gets multiplied accordingly

dual slot GEONIX GEFORCE GT 730LP 4GB DDR3 Graphic Card 64bit Dual Slot Multiple Outputs- VGA, HDMI, DVI Support PCI-e2 Profile ZORBES® Graphics Card Bracket,