{"data":{"slug":"msi-mag-b850-tomahawk-max-wifi","type":"motherboard","brand":"MSI","name":"MAG B850 TOMAHAWK MAX WIFI","aliases":["B850 Tomahawk Max WiFi","MAG B850 Tomahawk Max WiFi"],"release_date":"2025-02","url":"https://arkivo.dev/motherboards/msi-mag-b850-tomahawk-max-wifi","specs":{"series":"MAG","model_numbers":["MAG B850 TOMAHAWK MAX WIFI","911-7E62-002"],"gtins":["4711377290623"],"announce_date":null,"status":null,"predecessor":null,"successor":null,"launch_price_usd":null,"launch_price_eur":null,"markets":null,"colors":null,"manufacturer_url":"https://www.msi.com/Motherboard/MAG-B850-TOMAHAWK-MAX-WIFI","spec_sheet_url":null,"manual_url":"https://gzhls.at/blob/ldb/4/c/d/0/9505de78491f9bbd3d2c02edb15c90ef238e.pdf","eprel_registration_number":null,"warranty_years":3,"segment":"gaming","board_revision":null,"cpu_socket":"AM5","motherboard_chipset":"AMD B850","supported_cpu_series":["AMD Ryzen 9000 Series","AMD Ryzen 8000 Series","AMD Ryzen 7000 Series"],"cpu_overclocking":true,"motherboard_form_factor":"atx","dimensions_mm":{"width_mm":244,"height_mm":305},"pcb_layers":8,"back_connect_design":false,"rgb_lighting":false,"vrm_layout":"14+2+1","vrm_vcore_power_stages":14,"vrm_vcore_stage_rating_a":80,"vrm_controller":"MPS MPS2412","cpu_power_connectors":"8+8 pin","supplemental_pcie_power":true,"ram_type":"ddr5","ram_slot_count":4,"ram_max_gb":256,"ram_max_speed_mts":8400,"ram_ecc":false,"cudimm_support":false,"expansion_slots":[{"slot_type":"pcie_x16","electrical_lanes":16,"pcie_gen":5,"connected_to":"cpu","count":1},{"slot_type":"pcie_x16","electrical_lanes":1,"pcie_gen":3,"connected_to":"chipset","count":1},{"slot_type":"pcie_x16","electrical_lanes":4,"pcie_gen":4,"connected_to":"chipset","count":1}],"pcie_x16_slot_count":3,"pcie_x16_gen_max":5,"m2_slots":[{"slot":"M2_1","pcie_gen":5,"pcie_lanes":4,"connected_to":"cpu","form_factor":"m2_22110","sata":false,"heatsink":true,"shares_lanes_with":null},{"slot":"M2_2","pcie_gen":5,"pcie_lanes":4,"connected_to":"cpu","form_factor":"m2_2280","sata":false,"heatsink":true,"shares_lanes_with":null},{"slot":"M2_3","pcie_gen":4,"pcie_lanes":2,"connected_to":"chipset","form_factor":"m2_2280","sata":false,"heatsink":true,"shares_lanes_with":"PCI_E3 slot runs at x2 when M2_3 is used. Setting PCI_E3 to x4 in the BIOS turns off M2_3"},{"slot":"M2_4","pcie_gen":4,"pcie_lanes":4,"connected_to":"chipset","form_factor":"m2_2280","sata":false,"heatsink":true,"shares_lanes_with":null}],"m2_slot_count":4,"m2_pcie5_slot_count":2,"sata_port_count":4,"rear_ports":[{"type":"usb_c","version":"USB 3.2 Gen 2","count":3,"max_gbps":10,"tb_usb4":null,"power_out_w":null,"dp_alt_mode":null},{"type":"usb_a","version":"USB 3.2 Gen 2","count":2,"max_gbps":10,"tb_usb4":null,"power_out_w":null,"dp_alt_mode":null},{"type":"usb_a","version":"USB 3.2 Gen 1","count":1,"max_gbps":5,"tb_usb4":null,"power_out_w":null,"dp_alt_mode":null},{"type":"usb_a","version":"USB 2.0","count":4,"max_gbps":0.48,"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":5,"tb_usb4":null,"power_out_w":null,"dp_alt_mode":null},{"type":"audio_3_5mm","version":null,"count":2,"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":10,"rear_usb_c_count":3,"rear_usb_max_gbps":10,"has_thunderbolt":null,"usb_headers":[{"connector":"usb_c","max_gbps":20,"count":1,"ports":1,"power_out_w":null},{"connector":"usb_3","max_gbps":5,"count":2,"ports":4,"power_out_w":null},{"connector":"usb_2","max_gbps":0.48,"count":2,"ports":4,"power_out_w":null}],"usb_c_header_max_gbps":20,"fan_header_count":8,"argb_header_count":3,"rgb_header_count":1,"ethernet_controllers":["Realtek RTL8126"],"ethernet_port_count":1,"ethernet_max_gbps":5,"wifi":true,"wifi_standard":"wifi_7","wifi_bands":["2.4ghz","5ghz","6ghz"],"wifi_max_channel_width_mhz":320,"wifi_module":"Qualcomm QCNCM865","bluetooth_version":"5.4","audio_codec":"Realtek ALC4080","dac_chip":null,"bios_flashback":true,"clear_cmos_button":true,"post_code_display":false,"onboard_power_button":false,"dual_bios":false,"preinstalled_io_shield":true,"tool_free_features":["m2_latch","m2_heatsink","pcie_release"],"measured_vrm_temp_c":44,"measured_power_idle_w":74,"measured_power_cpu_stress_w":250,"in_the_box":["1 x Quick installation guide","1 x European Union Regulatory Notices","1 x SATA cable","1 x 1 to 3 EZ Conn-Cable (V2)","1 x EZ Front panel cable","1 x EZ Wi-Fi Antenna","1 x Cable sticker","3 x EZ M.2 Clip II","1 x EZ M.2 Clip II Remover"]},"variants":[],"sources":[{"url":"https://gzhls.at/blob/ldb/4/c/d/0/9505de78491f9bbd3d2c02edb15c90ef238e.pdf","kind":"manual","accessed":"2026-10-14","fields":["manual_url","series","model_numbers","cpu_socket","motherboard_chipset","supported_cpu_series","motherboard_form_factor","dimensions_mm","back_connect_design","cpu_power_connectors","supplemental_pcie_power","ram_type","ram_slot_count","ram_max_gb","ram_ecc","cudimm_support","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","wifi_max_channel_width_mhz","bluetooth_version","audio_codec","bios_flashback","clear_cmos_button","post_code_display","onboard_power_button","dual_bios","preinstalled_io_shield","tool_free_features","in_the_box"],"notes":{"manual_url":"MSI MAG B850 TOMAHAWK MAX WIFI User Guide, 68 pages, PDF created 2025-03-24, hosted by Geizhals. The cover names this exact model, not the II model.","series":"Cover: MAG Series Motherboard.","supported_cpu_series":"Specifications chapter, page 17: Ryzen 9000, 8000 and 7000 Series Desktop Processors. The manual refers to msi.com for the newest support status. Read on 2026-10-14.","dimensions_mm":"Specifications chapter: ATX form factor, 9.6 in. x 12 in. (244 mm x 305 mm).","back_connect_design":"Component overview pages 28 to 50 show the usual front-side connector layout. The board is not an MSI Project Zero model.","cpu_power_connectors":"Page 19: 2x 8-pin +12V power connectors (CPU_PWR1 and CPU_PWR2).","supplemental_pcie_power":"Page 19 and page 41: 1x 8-pin PCIe power connector (PCIE_PWR1). The special features list also names it.","ram_ecc":"Page 17: supports non-ECC, unbuffered memory.","cudimm_support":"Page 17: supports CUDIMM, clock driver bypass mode only. POR boot frequency and support vary by CPU series.","expansion_slots":"Page 17: 3x PCIe x16 slots. PCI_E1 from the CPU runs PCIe 5.0 x16 on Ryzen 9000 and 7000, PCIe 4.0 x8 on Ryzen 8700, 8600 and 8400, PCIe 4.0 x4 on Ryzen 8500 and 8300. PCI_E2 is up to PCIe 3.0 x1 and PCI_E3 is up to PCIe 4.0 x4, both from the chipset. PCI_E3 runs at x2 when M2_3 is used. The pre-installed Wi-Fi module sits in an M.2 Key-E slot, which is not listed.","m2_slots":"Page 18: M2_1 from the CPU, PCIe 5.0 x4 on Ryzen 9000 and 7000, 2280 and 22110. M2_2 from the CPU, PCIe 5.0 x4, 2260 and 2280. M2_3 from the chipset, PCIe 4.0 x2, 2260 and 2280. M2_4 from the chipset, PCIe 4.0 x4, 2260 and 2280. Ryzen 8000 CPUs slow M2_1 and M2_2 to PCIe 4.0 (M2_2 to x2 on Ryzen 8500 and 8300). Page 37 shows M.2 Shield Frozr heatsinks over M2_2 to M2_4, and page 34 the screwless one on M2_1. No slot lists an M.2 SATA mode, so sata is false.","sata_port_count":"Page 17: 4x SATA 6Gb/s ports from an ASM1064 controller.","rear_ports":"Page 20 and page 23: 3 USB 10Gbps Type-C (CPU), 2 USB 10Gbps Type-A (one CPU, one chipset), 1 USB 5Gbps Type-A, 4 USB 2.0 (from a hub), 1 HDMI (2.1 with FRL, graphics only on CPUs with integrated graphics), 1 5G LAN (RJ45), line-out and mic-in jacks, 1 optical S/PDIF out. USB 2.0 is stored as 0.48 Gbps. Flash BIOS and Clear CMOS buttons and the two Wi-Fi antenna connectors are not ports.","usb_headers":"Page 19, 43 and 44: 1 USB 20Gbps Type-C front panel header (JUSBC1), 2 USB 5Gbps headers (JUSB2 and JUSB3) that serve 4 more ports, 2 USB 2.0 headers (JUSB4 and JUSB5) that serve 4 more ports.","fan_header_count":"Page 19 and page 46: CPU_FAN1, PUMP_SYS1 and SYS_FAN1 to SYS_FAN6 make 8 headers. The EZ Conn-Header V2 (JAF_2) is a combination connector and is not counted.","argb_header_count":"Page 19: 3x 3-pin A-RAINBOW V2 (ARGB Gen2) connectors.","rgb_header_count":"Page 19: 1x 4-pin RGB LED connector (JRGB1).","wifi_max_channel_width_mhz":"Page 19: Supports 2.4GHz, 5GHz and 6GHz (320MHz) up to 5.8Gbps, 802.11 a/b/g/n/ac/ax/be.","bluetooth_version":"Page 19: Bluetooth 5.4, MLO, 4KQAM. The manual says the version may be updated by the Wi-Fi chip vendor.","audio_codec":"Page 18: Realtek ALC4080 codec, 7.1-channel USB audio.","bios_flashback":"Page 20 and page 23: Flash BIOS button on the rear panel.","clear_cmos_button":"Page 20 and page 23: Clear CMOS button on the rear panel.","post_code_display":"Page 19 and page 51: 4x EZ Debug LED (CPU, DRAM, GPU, boot) and one memory detection LED. No two-digit display is listed.","onboard_power_button":"The specifications chapter and the onboard LEDs page list no power or reset button on the board. Its only buttons are the two on the rear panel.","dual_bios":"Page 20: BIOS is 1x 256 Mb flash. Dual BIOS is not stated.","preinstalled_io_shield":"Page 21 special features list: Pre-installed I/O Shield.","tool_free_features":"Page 21 EZ DIY list: EZ M.2 Shield Frozr II (screwless, on M2_1 only per page 34 and HWCooling), EZ M.2 Clip II and EZ PCIe Release. The Wi-Fi antenna uses the normal threaded connectors per Profesional Review, so the push-on antenna option is not set.","in_the_box":"Page 22 package contents."}},{"url":"https://shop.sumanet.cz/mag-b850-tomahawk-max-wifi-msi-mb-sc-am5-mag-b850-tomahawk-max-wifi-amd-b850-4xddr5-1xhdmi-wifi-atx","kind":"retailer","accessed":"2026-10-14","fields":["gtins","segment","ram_max_speed_mts"],"notes":{"gtins":"GTIN (EAN) 4711377290623 for type designation MAG B850 TOMAHAWK MAX WIFI. hinta.fi lists the same code.","segment":"The listing repeats MSI's text: designed for gamers with a stable, durable and DIY friendly foundation.","ram_max_speed_mts":"MSI text copied by the shop: Ryzen 9000 Series maximum overclocking frequency 1DPC 1R up to 8400+ MT/s. 1DPC 2R and 2DPC 1R reach 6400+ and 2DPC 2R reaches 4800+."}},{"url":"https://www.kitguru.net/components/motherboard/leo-waldock/msi-mag-b850-tomahawk-max-wifi-review/","kind":"review_site","accessed":"2026-10-14","fields":["vrm_layout","vrm_vcore_power_stages","vrm_vcore_stage_rating_a","vrm_controller"],"notes":{"vrm_layout":"Key features list, as in MSI's text: 14+2+1 Duet Rail Power System with 80A Smart Power Stages.","vrm_vcore_power_stages":"VRMs: 14+2+1 x 80A Smart Power Stages.","vrm_vcore_stage_rating_a":"80 A. The Scan listing says 60 A, which no review or MSI text supports.","vrm_controller":"Controller is MPS2412 and the power stages are MPS2433."}},{"url":"https://www.tomshardware.com/pc-components/motherboards/msi-mag-b850-tomahawk-max-wifi-motherboard-review","kind":"review_site","accessed":"2026-10-14","fields":["release_date","pcb_layers","rgb_lighting","vrm_vcore_power_stages","vrm_vcore_stage_rating_a","vrm_controller","ram_max_speed_mts","warranty_years"],"notes":{"release_date":"Published 2025-02-25 with US retail prices. Profesional Review published 2025-02-11 and MSI Japan launched the board around 2025-02-05. Regions differ by weeks.","pcb_layers":"Black 8-layer server-grade PCB.","rgb_lighting":"RGB lovers must add their own to the headers, as none are built in.","vrm_vcore_power_stages":"17 phases with 14 dedicated to Vcore. 14 x 80 A gives the 1,120 A the review states.","vrm_vcore_stage_rating_a":"80A MPS MPS2433 SPS MOSFETs.","vrm_controller":"Power goes to a Monolithic Power Systems MPS2412 controller.","ram_max_speed_mts":"DDR5-8400 (OC), 1DPC 1R max speed up to 8400+ MT/s, as listed from MSI. The reviewer's stable out-of-box kit was DDR5-7200.","warranty_years":"US: spec table lists Warranty 3 Years. Tech4Gamers also says MSI offers a 3-year warranty. Scan UK lists 24 months."}},{"url":"https://www.tomshardware.com/pc-components/motherboards/msi-mag-b850-tomahawk-max-wifi-motherboard-review/3","kind":"measurement","accessed":"2026-10-14","fields":["measured_vrm_temp_c","measured_power_idle_w","measured_power_cpu_stress_w"],"notes":{"measured_vrm_temp_c":"Ryzen 9 9900X (CPU averages about 150 W), stock settings, AIDA64 System Stability Test. Peak 44 C on the reviewer's probes and 46 C from the board's integrated sensor. The ambient temperature is not stated.","measured_power_idle_w":"Whole test system at the wall with a Kill-A-Watt meter, Windows Balanced power plan, EXPO enabled. Test system: Ryzen 9 9900X, RTX 4080, Crucial T705, Windows 11. The first page says AGESA 1.2.0.3a BIOS.","measured_power_cpu_stress_w":"Peak of the whole test system at the wall (Kill-A-Watt) during the AIDA64 System Stability Test with CPU, FPU, cache and memory stress. The graphics card was not stressed."}},{"url":"https://www.profesionalreview.com/2025/02/11/msi-mag-b850-tomahawk-max-wifi-review/","kind":"review_site","accessed":"2026-10-14","fields":["release_date","cpu_overclocking","pcb_layers","vrm_layout","vrm_vcore_power_stages","vrm_vcore_stage_rating_a","vrm_controller","ethernet_controllers","wifi_module"],"notes":{"release_date":"Published 2025-02-11. First review found.","cpu_overclocking":"States the B850 board comes with overclocking capability.","pcb_layers":"8-layer server-grade PCB with 2 oz copper traces.","vrm_layout":"14 phases for Vcore, 2 for SoC and 1 for Misc.","vrm_vcore_power_stages":"The review counts 16 MPS2433 80 A stages for Vcore and SoC, which fits 14 Vcore stages plus 2 SoC stages.","vrm_controller":"The phases are controlled by an MPS2412 chip from the same maker.","ethernet_controllers":"Realtek RTL8126VB with 5 Gbps on the RJ-45 port, stored as the chip family RTL8126.","wifi_module":"Qualcomm FastConnect 7800 Wi-Fi 7 card with 320 MHz channels, 4KQAM and Bluetooth 5.4. HWCooling names the module Qualcomm NCM865, which is the part number QCNCM865, so that is stored."}},{"url":"https://hwcooling.net/en/si-mag-b850-tomahawk-max-wifi-cheaper-chipset-but-better-features-review","kind":"review_site","accessed":"2026-10-14","fields":["tool_free_features","vrm_vcore_stage_rating_a","ethernet_controllers","wifi_module"],"notes":{"tool_free_features":"Tool-free cooler on the first M.2 slot with a release button. The other two SSD coolers use screws. A remote button releases the PCIe slot latch.","vrm_vcore_stage_rating_a":"MPS 2433 integrated MOSFETs with a maximum current of 80 A per phase.","ethernet_controllers":"Realtek 8126VB, 5 GbE.","wifi_module":"Qualcomm NCM865 wireless module, Wi-Fi 7 with Bluetooth 5.4. Published 2025-02-27."}},{"url":"https://www.guru3d.com/review/msi-mag-b850-tomahawk-max-wifi-review-great-performance-and-value","kind":"review_site","accessed":"2026-10-14","fields":["cpu_overclocking"],"notes":{"cpu_overclocking":"Page 1: the board offers decent overclocking headroom for both the CPU and memory."}},{"url":"https://tech4gamers.com/msi-mag-b850-tomahawk-max-wifi-review/","kind":"review_site","accessed":"2026-10-14","fields":["pcb_layers","rgb_lighting","preinstalled_io_shield"],"notes":{"pcb_layers":"8-layered NPG-170D server-grade PCB with 2oz thickened copper.","rgb_lighting":"There is no onboard RGB, but there are multiple RGB headers.","preinstalled_io_shield":"The I/O shield is pre-installed on the motherboard, in stainless steel."}},{"url":"https://www.msi.com/Motherboard/MAG-B850-TOMAHAWK-MAX-WIFI","kind":"manufacturer_page","accessed":"2026-10-14","fields":["manufacturer_url"],"notes":{"manufacturer_url":"The link appears as the manufacturer page on hinta.fi and in web search results. msi.com blocks agents, so the page was not read and its content is not used for any value."}},{"url":"https://de-store.msi.com/products/mag-b850-tomahawk-max-wifi","kind":"manufacturer_page","accessed":"2026-10-14","fields":["model_numbers","gtins"],"notes":{"model_numbers":"MSI's German e-shop: SKU 911-7E62-002.","gtins":"Same page: GTIN-13 4711377290623."}}],"fields_filled":65,"updated":"2026-10-16"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}