{"data":{"slug":"asus-tuf-gaming-b550-plus-wifi-ii","type":"motherboard","brand":"ASUS","name":"TUF GAMING B550-PLUS WIFI II","aliases":["TUF Gaming B550-Plus WiFi II","TUF B550-PLUS WIFI II","B550-PLUS WIFI II","TUF GAMING B550-PLUS WI-FI II"],"release_date":"2021-10","url":"https://arkivo.dev/motherboards/asus-tuf-gaming-b550-plus-wifi-ii","specs":{"series":"TUF Gaming","model_numbers":["TUF GAMING B550-PLUS WIFI II","90MB19U0-M0EAY0"],"gtins":["4711081338413","4718017862776"],"announce_date":null,"status":"available","predecessor":null,"successor":null,"launch_price_usd":null,"launch_price_eur":null,"markets":null,"colors":null,"manufacturer_url":"https://www.asus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/","spec_sheet_url":"https://www.asus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/techspec/","manual_url":"https://dlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdf","eprel_registration_number":null,"warranty_years":3,"segment":"gaming","board_revision":null,"cpu_socket":"AM4","motherboard_chipset":"AMD B550","supported_cpu_series":["AMD Ryzen 5000 Series","AMD Ryzen 5000 G-Series","AMD Ryzen 4000 G-Series","AMD Ryzen 3000 Series"],"cpu_overclocking":true,"motherboard_form_factor":"atx","dimensions_mm":{"width_mm":244,"height_mm":305},"pcb_layers":null,"back_connect_design":false,"rgb_lighting":true,"vrm_layout":"8+2","vrm_vcore_power_stages":8,"vrm_vcore_stage_rating_a":null,"vrm_controller":null,"cpu_power_connectors":"8 pin","supplemental_pcie_power":false,"ram_type":"ddr4","ram_slot_count":4,"ram_max_gb":128,"ram_max_speed_mts":4866,"ram_ecc":true,"cudimm_support":null,"expansion_slots":[{"slot_type":"pcie_x16","electrical_lanes":16,"pcie_gen":4,"connected_to":"cpu","count":1},{"slot_type":"pcie_x16","electrical_lanes":4,"pcie_gen":3,"connected_to":"chipset","count":1},{"slot_type":"pcie_x1","electrical_lanes":1,"pcie_gen":3,"connected_to":"chipset","count":3}],"pcie_x16_slot_count":2,"pcie_x16_gen_max":4,"m2_slots":[{"slot":"M.2_1","pcie_gen":4,"pcie_lanes":4,"connected_to":"cpu","form_factor":"m2_22110","sata":true,"heatsink":true,"shares_lanes_with":null},{"slot":"M.2_2","pcie_gen":3,"pcie_lanes":4,"connected_to":"chipset","form_factor":"m2_22110","sata":true,"heatsink":true,"shares_lanes_with":"SATA6G_56 is disabled when M.2_2 is populated"}],"m2_slot_count":2,"m2_pcie5_slot_count":0,"sata_port_count":6,"rear_ports":[{"type":"usb_c","version":"USB 3.2 Gen 2","count":1,"max_gbps":10,"tb_usb4":null,"power_out_w":null,"dp_alt_mode":null},{"type":"usb_a","version":"USB 3.2 Gen 2","count":1,"max_gbps":10,"tb_usb4":null,"power_out_w":null,"dp_alt_mode":null},{"type":"usb_a","version":"USB 3.2 Gen 1","count":4,"max_gbps":5,"tb_usb4":null,"power_out_w":null,"dp_alt_mode":null},{"type":"usb_a","version":"USB 2.0","count":2,"max_gbps":0.48,"tb_usb4":null,"power_out_w":null,"dp_alt_mode":null},{"type":"displayport","version":"DisplayPort 1.2","count":1,"max_gbps":null,"tb_usb4":null,"power_out_w":null,"dp_alt_mode":null},{"type":"hdmi","version":"HDMI 2.1","count":1,"max_gbps":null,"tb_usb4":null,"power_out_w":null,"dp_alt_mode":null},{"type":"rj45","version":null,"count":1,"max_gbps":2.5,"tb_usb4":null,"power_out_w":null,"dp_alt_mode":null},{"type":"audio_3_5mm","version":null,"count":5,"max_gbps":null,"tb_usb4":null,"power_out_w":null,"dp_alt_mode":null},{"type":"optical_spdif","version":null,"count":1,"max_gbps":null,"tb_usb4":null,"power_out_w":null,"dp_alt_mode":null}],"rear_usb_count":8,"rear_usb_c_count":1,"rear_usb_max_gbps":10,"has_thunderbolt":null,"usb_headers":[{"connector":"usb_3","max_gbps":5,"count":1,"ports":2,"power_out_w":null},{"connector":"usb_2","max_gbps":0.48,"count":2,"ports":4,"power_out_w":null}],"usb_c_header_max_gbps":null,"fan_header_count":6,"argb_header_count":2,"rgb_header_count":2,"ethernet_controllers":["Realtek RTL8125"],"ethernet_port_count":1,"ethernet_max_gbps":2.5,"wifi":true,"wifi_standard":"wifi_6","wifi_bands":["2.4ghz","5ghz"],"wifi_max_channel_width_mhz":null,"wifi_module":null,"bluetooth_version":"5.2","audio_codec":"Realtek ALCS1200A","dac_chip":null,"bios_flashback":true,"clear_cmos_button":false,"post_code_display":false,"onboard_power_button":false,"dual_bios":false,"preinstalled_io_shield":false,"tool_free_features":null,"measured_vrm_temp_c":null,"measured_power_idle_w":null,"measured_power_cpu_stress_w":null,"in_the_box":["1 x TUF GAMING B550-PLUS WIFI II motherboard","2 x SATA 6Gb/s cables","1 x I/O Shield","1 x M.2 Rubber package","1 x M.2 SSD screw package","1 x TUF Gaming sticker","1 x ASUS 2x2 dual-band Wi-Fi moving antennas","1 x Support DVD","1 x TUF Certification card","1 x User manual"]},"variants":[],"sources":[{"url":"https://dlcdnets.asus.com/pub/ASUS/mb/SocketAM4/TUF_GAMING_B550-PLUS_WIFI_II/E22526_TUF_GAMING_B550-PLUS_WI-FI_II_V2_WEB.pdf","kind":"manual","accessed":"2026-10-15","fields":["manual_url","back_connect_design","cpu_socket","supported_cpu_series","motherboard_chipset","motherboard_form_factor","dimensions_mm","cpu_power_connectors","supplemental_pcie_power","ram_type","ram_slot_count","ram_max_gb","ram_max_speed_mts","ram_ecc","expansion_slots","m2_slots","sata_port_count","rear_ports","usb_headers","fan_header_count","argb_header_count","rgb_header_count","wifi","wifi_standard","wifi_bands","bluetooth_version","bios_flashback","clear_cmos_button","post_code_display","onboard_power_button","dual_bios","preinstalled_io_shield","in_the_box"],"notes":{"manual_url":"ASUS user's manual E22526, English edition, revision V2, 2023-09-19 on the ASUS support site. The first edition E18578 is dated September 2021.","back_connect_design":"The chapter 1 layout shows the usual front-side power, fan and USB connectors. The board is not a back-connect design.","cpu_socket":"Specifications summary: AMD AM4 Socket.","supported_cpu_series":"Specifications summary: AMD AM4 socket for Ryzen 5000 Series, 5000 G-Series, 4000 G-Series and 3000 Series desktop processors. The manual refers to www.asus.com for the CPU support list. Read on 2026-10-15.","motherboard_form_factor":"Specifications summary: ATX form factor, 12 inch x 9.6 inch (30.5 cm x 24.4 cm).","dimensions_mm":"Specifications summary: 12 inch x 9.6 inch (30.5 cm x 24.4 cm). The 244 mm side is the width, as for ATX.","cpu_power_connectors":"Internal connectors: 1 x 24-pin main power and 1 x 8-pin +12V power connector. The manual says to ensure the 8-pin power plug is connected.","supplemental_pcie_power":"The internal connector list has no extra slot power connector.","ram_type":"Specifications summary: 4 x DIMM, max. 128GB, DDR4 unbuffered memory, dual channel.","ram_max_speed_mts":"The memory list runs from 2133 to 4866(OC) MHz. The manual says memory frequency support depends on the CPU type and does not name a CPU family or module setup. Ryzen 5000 is the newest family for this board.","ram_ecc":"Specifications summary: ECC memory (ECC mode) support varies by CPU. The maker lists no non-ECC mode qualifier for the board, so it counts as ECC.","expansion_slots":"Ryzen 5000 and 3000: 1 x PCIe 4.0 x16 slot at x16. Ryzen 5000 G and 4000 G: the same slot runs at PCIe 3.0. B550 chipset: 1 x PCIe 3.0 x16 slot (PCIEX16_2) at x4 and 3 x PCIe 3.0 x1 slots. PCIEX16_2 runs at x1 when any x1 slot is occupied. The Ryzen 5000 value is stored.","m2_slots":"Specifications summary and item 6 of the board overview. M.2_1 is a Key M slot for 2242/2260/2280/22110 with PCIe 4.0 x4 and SATA modes on Ryzen 5000 and 3000 (PCIe 3.0 x4 on the G-Series). M.2_2 takes the same lengths with PCIe 3.0 x4 and SATA modes from the B550 chipset. M.2_2 shares bandwidth with SATA6G_56, which is disabled when M.2_2 is populated. The specification lists a single aluminum M.2 heatsink.","sata_port_count":"Specifications summary: 6 x SATA 6Gb/s ports. SATA6G_56 is disabled when M.2_2 is populated.","rear_ports":"Back panel I/O: 2 USB 3.2 Gen 2 ports (1 Type-A and 1 Type-C), 4 USB 3.2 Gen 1 Type-A, 2 USB 2.0 Type-A, 1 DisplayPort (DisplayPort 1.2), 1 HDMI (HDMI 2.1, 4K@60Hz), 1 Realtek 2.5Gb Ethernet port, 5 audio jacks, 1 optical S/PDIF out, 1 ASUS Wi-Fi module and the BIOS FlashBack button. The page does not state DisplayPort Alt Mode for the Type-C port.","usb_headers":"Internal connectors: 1 USB 3.2 Gen 1 header for 2 additional ports and 2 USB 2.0 headers for 4 additional ports. A Thunderbolt header for an add-in card is not a USB header.","fan_header_count":"Internal connectors: 1 CPU fan, 1 CPU OPT fan, 1 AIO pump and 3 chassis fan headers, all 4-pin.","argb_header_count":"Internal connectors: 2 x AURA Addressable Gen 2 headers.","rgb_header_count":"Internal connectors: 2 x AURA RGB headers.","wifi":"Back panel I/O lists 1 x ASUS Wi-Fi module and the package has 2x2 Wi-Fi antennas.","wifi_standard":"Specifications summary: 2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax).","wifi_bands":"Specifications summary: supports the 2.4/5GHz frequency band. No 6 GHz band.","bluetooth_version":"Specifications summary: Bluetooth v5.2, which needs Windows 11 or later.","bios_flashback":"Back panel I/O lists the BIOS FlashBack button. EZ DIY lists the BIOS FlashBack button and LED.","clear_cmos_button":"Internal connectors: 1 x Clear CMOS header. The back panel list has only the BIOS FlashBack button.","post_code_display":"Q-Design lists Q-LED with four status LEDs (CPU, DRAM, VGA, boot device). No Q-Code display is listed.","onboard_power_button":"The manual lists the power button only as the 2-pin PWRSW pin on the system panel header. The layout has no power or start button on the board.","dual_bios":"Specifications summary: 256 Mb Flash ROM, UEFI AMI BIOS. Dual BIOS is not stated.","preinstalled_io_shield":"The package contents list 1 x I/O Shield as a loose item.","in_the_box":"Package contents on page vi of the manual."}},{"url":"https://www.asus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/techspec/","kind":"manufacturer_page","accessed":"2026-10-15","fields":["spec_sheet_url","segment","cpu_socket","motherboard_chipset","supported_cpu_series","ram_type","ram_slot_count","ram_max_gb","ram_ecc","expansion_slots","m2_slots","rear_ports","wifi_standard","bluetooth_version"],"notes":{"segment":"The page sits in the ASUS TUF Gaming family under the ASUS Gaming menu.","ram_max_gb":"4 DIMM slots, up to 128GB of DDR4 unbuffered memory in dual-channel mode.","ram_ecc":"The page says ECC support depends on the CPU.","bluetooth_version":"Bluetooth v5.2, which needs Windows 11 or later. The page repeats the manual."}},{"url":"https://www.asus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/","kind":"manufacturer_page","accessed":"2026-10-15","fields":["manufacturer_url","series","rgb_lighting","vrm_layout","vrm_vcore_power_stages"],"notes":{"series":"TUF Gaming is the ASUS line in the product name.","rgb_lighting":"The Aura Sync section describes full RGB lighting control for the built-in RGB LEDs as well as strips on the onboard RGB headers. The maker's product photo shows an orange glow at the lower right edge of the board.","vrm_layout":"The overview text says the VRM uses 8+2 DrMOS power stages that combine high-side and low-side MOSFETs and driver in one package. The page title and meta text say 10 DrMOS power stages, which is the same total. No amperage rating is given.","vrm_vcore_power_stages":"8 of the 10 DrMOS power stages are for the CPU core, from the 8+2 layout."}},{"url":"https://www.asus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/helpdesk_download/","kind":"manufacturer_page","accessed":"2026-10-15","fields":["release_date","ethernet_controllers"],"notes":{"release_date":"ASUS support list for the model, read through the support web API (www.asus.com/support/webapi/ProductV2): first BIOS 0303 dated 2021-10-21, and the Simplified and Traditional Chinese manuals dated 2021-10-20. Release month taken from these maker dates.","ethernet_controllers":"Driver list: Realtek RTL8125 LAN driver. The spec page says Realtek 2.5Gb Ethernet. Retailers write RTL8125B. The suffix is left out."}},{"url":"https://www.asus.com/us/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/where-to-buy/","kind":"manufacturer_page","accessed":"2026-10-15","fields":["status"],"notes":{"status":"ASUS US where-to-buy page lists the board in stock at six retailers on 2026-10-15."}},{"url":"https://www.scan.co.uk/products/asus-tuf-gaming-b550-plus-wifi-ii-amd-b550-am4-ddr4-pcie-40-sata3-dual-m2-crossfire-usb-32-gen2-aplu","kind":"retailer","accessed":"2026-10-15","fields":["gtins","model_numbers","warranty_years","audio_codec","ethernet_controllers","m2_slots","rgb_lighting"],"notes":{"gtins":"Scan UK lists GTIN 4718017862776 for part number 90MB19U0-M0EAY0. office-partner.de lists EAN 4711081338413 for the same part number. The two codes differ and may be regional barcodes. Both are stored.","model_numbers":"Manufacturer model number 90MB19U0-M0EAY0.","warranty_years":"36 months, return to base, for the UK market.","audio_codec":"Realtek ALC S1200A, 7.1 HD audio. Written ALCS1200A as Realtek names the part. The maker names only a Realtek 7.1 codec.","ethernet_controllers":"2.5G Ethernet, Realtek RTL8125B.","m2_slots":"The page copy says dual M.2 heatsinks.","rgb_lighting":"ASUS Aura with full RGB control for the built-in RGB LEDs and the onboard headers."}},{"url":"https://www.inet.se/produkt/1903695/asus-tuf-gaming-b550-plus-wifi-ii","kind":"retailer","accessed":"2026-10-15","fields":["warranty_years","audio_codec","ethernet_controllers"],"notes":{"warranty_years":"Inet is a Swedish shop and lists a 3-year manufacturer warranty.","audio_codec":"Audio chip: Realtek ALC S1200A.","ethernet_controllers":"LAN chip: Realtek RTL8125B 2.5G."}},{"url":"https://www.office-partner.de/asus-tuf-gaming-b550-plus-wifi-ii-mainboard-sockel-ryzen-am4-20131627","kind":"retailer","accessed":"2026-10-15","fields":["gtins","model_numbers","warranty_years"],"notes":{"gtins":"EAN 4711081338413 for part number 90MB19U0-M0EAY0.","model_numbers":"Herstellernummer 90MB19U0-M0EAY0.","warranty_years":"3 years manufacturer warranty on a German shop page."}},{"url":"https://www.maxmybuild.com/motherboards/asus-tuf-gaming-b550-plus-wifi-ii","kind":"retailer","accessed":"2026-10-15","fields":["status","m2_slots"],"notes":{"status":"Lists the board in stock at Amazon at $109.99 and at Newegg at $119.99, updated 2026-10-15.","m2_slots":"Lists heatsinks on all M.2 slots. The maker's product photo shows a heatsink plate over each of the two M.2 slots."}},{"url":"https://www.eatyourbytes.com/chipsetdetail/amd_b550/","kind":"spec_database","accessed":"2026-10-15","fields":["cpu_overclocking"],"notes":{"cpu_overclocking":"The chipset page lists AMD B550 as supporting overclocking. This is the chipset's feature, not a board spec."}}],"fields_filled":56,"updated":"2026-10-15"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}