ModelProArt B550-CREATORCPUAMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors* Refer to www. asus. com for CPU support list. ChipsetB550Memory AMD Ryzen 5000 Series/ 3000 Series Desktop Processors DDR4486 6(O. C)/4600(O. C)/4400(O. C)/4266(O. C. )/4133(O. C. )/4000(O. C. )/3866(O. C. )/3733(O. C. )/3600(O. C. )/3466(O. C. )/3333(O. C. )/3200/3000/2800/2666/2400/2133 MHz ECC and non-ECC, Un-buffered Memory *" AMD RyzenTM 4000 G-Series Processors DDR4510 0(O. C)/4800(O. C. )/4600(O. C)/4466(O. C. )/4400(O. C)/4266(O. C. )/4133(O. C. )/4000(O. C. )/3866(O. C. )/3600(O. C. )/3466(O. C. )/3200/3000/2800/2666/2400/2133 MHz ECC and non-ECC, Un-buffered Memory"OptiMem IIDual Channel Memory ArchitectureECC Memory (ECC mode) support varies by CPU. * Refer to www. asus. com for the Memory QVL (Qualified Vendors Lists). Graphics1 x HDMI 2.1(4K@60HZ)2 x Intel® Thunderbolt 4 ports (USB Type-C®) support DisplayPort 1.2/1.4 and Thunderbolt video outputs ** Output at TBT4_E1 and TBT4_E2, the USB Type-C® ports right under RJ45 ports, each requires a USB-C to DisplayPort adapter cable. Graphics specifications may vary between CPU types. ** VGA resolution support depends on processors' or graphic cards' resolution. For more details about the video input and output settings please refer to the user manual. Expansion Slots AMD Ryzen 5000 Series/ 3000 Series Desktop Processors 2 x PCIe 4.0 x16 (x16 or dual x8)* AMD RyzenTM 4000 G-Series Processor 2 x PCIe 3.0 x16 (x16 or dual x8)* AMD B550 Chipset 1 x PCIe 3.0 x16 slot (supports x4 mode)**2 x PCIe 3.0 x1 slots**** Support PCIe bandwidth bifurcation for RAID on CPU function. ** PCIe 3.0 x4 will be switched from Thunderbolt 4 to PCIEX16_3 if the slot is populated; by then Thunderbolt 4 will have no output*** These PCIe x1 slots share bandwidth with M. 2_2, which runs at PCIe 3.0 x4 by default. You may go to BIOS setting to set M. 2_2 to PCIe 3.0 x4 or x2 at willStorageSupports 2 x M. 2 slots and 4 x SATA 6Gb/s ports AMD Ryzen 5000 Series/ 3000 Series Desktop Processors : M. 2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes) AMD RyzenTM 4000 G-Series Processor :