Dell High Performance Cooling Kit 125W to 205W TDP 2x Heatsinks 6x Fans R740 R740xd. Dell Primary Riser 3x x16 (x8 lanes) PCIe 3.0 FP full profile R740xd. Dell Secondary Riser 1x x16 (x8 lanes) PCIe 3.0 LP low profile PCIe 3.0 R740xd.
eBay