pcie slot x16: Z490 Motherboards PCIe Gen 4 Support Detailed. G.SKILL Sniper Series 8GB (2 x 4GB) DDR3 1866 ... - HQG. Dell Precision 5820 Tower XCTO Base 70225754.
Intel ® 13th & 12th Gen Processors 1 x PCIe 5.0 x16
slot Intel ® H770 Chipset* 2 x
PCIe 4.0 x16 slot (supports x4 mode) 2 x PCIe 3.0 x1 slot**.
2, 16 DIMM
slots for DDR5 ECC Memory. 3, •
Slot 1: PCIe x16 Gen4 •Slot 2: PCIe x16 Gen4 – Available ONLY when 2nd processor is installed •Slot 3: PCIe x4 Gen3
Slots:
All slots PCIe Gen 3: (2) PCIe x16, (1) PCIe x16 wired as x8, (1) PCie x16 wired as x4, (1) PCIe x16 wired as x1, 1 PCI 32/33; 4 x 2.5”/3.5” SATA HDD ...