This Lenovo graphics card could be just the thing you need to give your gaming rig an extra boost. As for the slot requirement, this one needs one slot. This graphics card is fitte
From OnBuy
NVIDIA RTX A4000 - Graphics card - RTX A4000 - 16 GB GDDR6 - PCIe 4.0 x16 - 4 x DisplayPort - for ThinkStation P520 30BQ
This product is also available at 6 unverified stores.