Gigabyte B550 AORUS MASTER Motherboard ATX AMD B550 MB4990 [With Chipset]

We offer a wide variety of products, and the following precautions apply to some of them. Please note that they are listed for all products. 【Voltage Compatibility】Designed for Japanese voltage (90-110V). Using with a different voltage may cause malfunction. 【Plug Type】Japanese plugs (A or B type). Use a conversion adapter if needed. 【Transformers & Adapters】Transformers adjust voltage; adapters only change plug shape. Using an adapter without a transformer may damage the product. 【Liability】We are not responsible for damages caused by improper use, such as using the product without a transformer. MB4990 Japanese authorized distributor product 2 years warranty [Chipset/Socket] AMD B550/AMD Socket AM4 [CPU] 3rd generation AMD Ryzen processor/New generation AMD Ryzen equipped with Radeon graphics processor [Form factor] ATX [Maximum supported memory] DDR4 5400 (O.C.) [Expansion slot] PCI Express(x16) x1(PCIEX16), PCI Express(x16)x2 (PCIEX4_1/PCIEX4_2) [Storage] M.2 x1 (M2A_CPU), M.2 x2 (M2B_CPU/M2C_CPU), SATA 6Gb/s x6 [Interface] SMA antenna, HDMI, USB 2.0/1.1, USB 3.2 Gen 2 Type-A, USB Type-C, Q-Flash Plus button, RJ-45, optical S/PDIF Out connector, audio