{"data":{"slug":"asrock-b860-challenger-wifi","type":"motherboard","brand":"ASRock","name":"B860 Challenger WiFi","aliases":["ASRock B860 Challenger WiFi","B860 CHALLENGER WIFI"],"release_date":"2026-01","url":"https://arkivo.dev/motherboards/asrock-b860-challenger-wifi","specs":{"series":"Challenger","model_numbers":["B860 Challenger WiFi","90-MXBUC0-A0UAYZ"],"gtins":["4711581494190"],"announce_date":null,"status":"available","predecessor":null,"successor":null,"launch_price_usd":null,"launch_price_eur":null,"markets":null,"colors":null,"manufacturer_url":"https://asrock.com/mb/Intel/B860%20Challenger%20WiFi/index.asp","spec_sheet_url":"https://www.asrock.com/mb/Intel/B860%20Challenger%20WiFi/Specification/index.asp","manual_url":"https://download.asrock.com/Manual/B860%20Challenger%20WiFi.pdf","eprel_registration_number":null,"warranty_years":3,"segment":"mainstream","board_revision":null,"cpu_socket":"LGA1851","motherboard_chipset":"Intel B860","supported_cpu_series":["Intel Core Ultra (Series 2)"],"cpu_overclocking":false,"motherboard_form_factor":"atx","dimensions_mm":{"width_mm":244,"height_mm":305},"pcb_layers":null,"back_connect_design":false,"rgb_lighting":false,"vrm_layout":"10+1+1+1+1","vrm_vcore_power_stages":10,"vrm_vcore_stage_rating_a":null,"vrm_controller":null,"cpu_power_connectors":"8+8 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2.1","count":1,"max_gbps":null,"tb_usb4":null,"power_out_w":null,"dp_alt_mode":null},{"type":"usb_c","version":"USB 3.2 Gen 1","count":1,"max_gbps":5,"tb_usb4":null,"power_out_w":null,"dp_alt_mode":false},{"type":"usb_a","version":"USB 3.2 Gen 1","count":6,"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":"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":3,"max_gbps":null,"tb_usb4":null,"power_out_w":null,"dp_alt_mode":null}],"rear_usb_count":9,"rear_usb_c_count":1,"rear_usb_max_gbps":5,"has_thunderbolt":null,"usb_headers":[{"connector":"usb_c","max_gbps":5,"count":1,"ports":1,"power_out_w":null},{"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":5,"fan_header_count":7,"argb_header_count":3,"rgb_header_count":1,"ethernet_controllers":["Realtek RTL8125"],"ethernet_port_count":1,"ethernet_max_gbps":2.5,"wifi":true,"wifi_standard":"wifi_7","wifi_bands":["2.4ghz","5ghz","6ghz"],"wifi_max_channel_width_mhz":160,"wifi_module":"Realtek RTL8922AE","bluetooth_version":"5.4","audio_codec":"Realtek ALC897","dac_chip":null,"bios_flashback":true,"clear_cmos_button":false,"post_code_display":false,"onboard_power_button":false,"dual_bios":false,"preinstalled_io_shield":true,"tool_free_features":["m2_latch","m2_heatsink"],"measured_vrm_temp_c":null,"measured_power_idle_w":null,"measured_power_cpu_stress_w":null,"in_the_box":["2 x Serial ATA (SATA) Data Cables","2 x ASRock WiFi 2.4/5/6 GHz Antennas","1 x Screw for M.2 Socket","1 x Standoff for M.2 Socket"]},"variants":[],"sources":[{"url":"https://download.asrock.com/Manual/B860%20Challenger%20WiFi.pdf","kind":"manual","accessed":"2026-10-15","fields":["manual_url","series","model_numbers","cpu_socket","motherboard_chipset","supported_cpu_series","motherboard_form_factor","back_connect_design","rgb_lighting","cpu_power_connectors","supplemental_pcie_power","ram_type","ram_slot_count","ram_max_gb","ram_max_speed_mts","ram_ecc","cudimm_support","expansion_slots","m2_slots","sata_port_count","rear_ports","usb_headers","fan_header_count","argb_header_count","rgb_header_count","ethernet_controllers","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","tool_free_features","in_the_box"],"notes":{"manual_url":"ASRock manual for the B860 Challenger WiFi, Version 1.0, published December 2025, on download.asrock.com. It states most values in chapter 1.2 Specifications and in the installation chapter.","series":"Manual title: B860 Challenger WiFi. Challenger is the ASRock line in the name.","model_numbers":"Manual title and specification chapter: B860 Challenger WiFi. The part number 90-MXBUC0-A0UAYZ is from Geizhals and PCPartPicker. The White edition has its own part number and is a separate model.","supported_cpu_series":"Section 1.2: supports Intel Core Ultra Processors (Series 2) (LGA1851). The manual points to ASRock's website for the CPU support list. Read on 2026-10-15.","motherboard_form_factor":"Section 1.2 and the package contents: ATX Form Factor. The manual gives no millimetre size.","back_connect_design":"The section 1.3 layout and 2.12 connector pages show the usual front-side connectors. PCPartPicker also says no back-connect connectors.","rgb_lighting":"The section 1.2 connector list has only the RGB and addressable LED headers. No on-board lighting is named.","cpu_power_connectors":"Section 1.2: 2 x 8 pin 12V power connectors (Hi-Density Power Connector) and the 24 pin ATX power connector.","supplemental_pcie_power":"The section 1.2 and 1.3 connector lists have no extra slot power connector.","ram_type":"Section 1.2: dual channel DDR5, 4 x DDR5 DIMM slots.","ram_max_gb":"Section 1.2: max. capacity of system memory 256GB.","ram_max_speed_mts":"Section 1.2: supports DDR5 non-ECC, un-buffered memory up to 8666+(OC). The manual names no CPU family or module setup. Core Ultra (Series 2) is the only family for the board. Geizhals writes max. DDR5-8666 OC.","ram_ecc":"Section 1.2: supports DDR5 non-ECC, un-buffered memory.","cudimm_support":"Section 1.2: Supports Clocked Unbuffered DIMM (CUDIMM), with no bypass-mode limit.","expansion_slots":"Section 1.2 and 2.7: PCIE1 is a PCIe 5.0 x16 slot from the CPU in x16 mode. PCIE2 is a PCIe 4.0 x16 slot from the chipset that runs in x4 mode. The M.2 Key E socket of the installed Wi-Fi module is not listed.","m2_slots":"Section 1.2 and 2.15 to 2.17: M2_1 is a Blazing M.2 on the CPU, type 2280, PCIe Gen5x4. M2_2 is a Hyper M.2 on the chipset, types 2230/2242/2260/2280, PCIe Gen4x4. M2_3 is a Hyper M.2 on the chipset, type 2280, PCIe Gen4x4. The manual lists no SATA mode and PCInQ says all slots are NVMe only. M2_1 has a heatsink with a release button. M2_2 has a heatsink fixed with screws. M2_3 has no heatsink in the install guide. The manual names no lane sharing between the slots.","sata_port_count":"Section 1.2: 4 x SATA3 6.0 Gb/s connectors.","rear_ports":"Section 1.2 and 1.4: 1 HDMI (HDMI 2.1, up to 4K 120Hz), 1 USB 3.2 Gen1 Type-C, 6 USB 3.2 Gen1 (USB32_1234, USB32_5 and USB32_6, where USB32_56 are Lightning Gaming Ports), 2 USB 2.0, 1 RJ-45 (2.5 Gigabit LAN), 3 HD audio jacks, a BIOS Flashback button and 2 antenna ports. The manual does not name the USB 3.2 Gen1 ports Type-A. The only Type-C is the one named, so the others are stored as Type-A. The graphics list names only HDMI, so the Type-C has no DisplayPort mode. The manual gives no USB power output.","usb_headers":"Section 1.2: 1 Front Panel Type C USB 3.2 Gen1 header, 1 USB 3.2 Gen1 header (2 ports) and 2 USB 2.0 headers (4 ports).","fan_header_count":"Section 1.2: 2 CPU fan connectors (4-pin), 4 chassis fan connectors (4-pin) and 1 AIO pump fan connector (4-pin). The block diagram says FAN x7.","argb_header_count":"Section 1.2: 3 x addressable LED headers (5V, 3A total).","rgb_header_count":"Section 1.2: 1 x RGB LED header (12V, 3A total).","ethernet_controllers":"Section 1.2: Dragon RTL8125BG, 2.5 Gigabit LAN. The suffix BG is left out.","wifi":"Sections 1.2 and 1.6: the board comes with an 802.11be Wi-Fi 7 plus Bluetooth module, in the M.2 Key E socket.","wifi_standard":"Section 1.2: supports IEEE 802.11a/b/g/n/ac/ax/be.","wifi_bands":"Section 1.2: supports the 2.4GHz/5GHz/6GHz frequency bands. The 6 GHz band depends on country regulations.","wifi_max_channel_width_mhz":"Section 1.2: supports 160MHz channel bandwidth with the 6GHz frequency band.","bluetooth_version":"Sections 1.2 and 1.6: supports Bluetooth 5.4.","audio_codec":"Section 1.2: 7.1 CH HD Audio (Realtek ALC897 Audio Codec).","bios_flashback":"Sections 1.4 and 2.14: a BIOS Flashback button on the rear panel and a USB BIOS Flashback port.","clear_cmos_button":"Section 2.11: Clear CMOS is a 2-pin jumper (CLRMOS1). The rear panel list has no clear CMOS button.","post_code_display":"Section 2.13: Post Status Checker with four status LEDs for CPU, DRAM, VGA and BOOT. It is not a two-digit display.","onboard_power_button":"Section 2.14: the motherboard has one smart button, the BIOS Flashback button on the rear panel. The layout lists no power or reset button on the board.","dual_bios":"The specification chapter lists no second BIOS chip. Dual BIOS is not stated.","tool_free_features":"Sections 2.15 to 2.17: the M.2 SSDs are secured by turning a nut lock, and the M2_1 heatsink comes off with a release button. The antennas screw on, so there is no push-on antenna connector. The manual names no PCIe release.","in_the_box":"Section 1.1. The manual marks the cables, antennas, screw and standoff as optional. The motherboard itself is not listed here."}},{"url":"https://asrock.com/mb/Intel/B860%20Challenger%20WiFi/index.asp","kind":"manufacturer_page","accessed":"2026-10-15","fields":["manufacturer_url","spec_sheet_url"],"notes":{"manufacturer_url":"The URL comes from the job evidence. The page returned a connection reset and a bot check page, so it was not read. Values come from the manual and retailer copies of the maker's text.","spec_sheet_url":"The Specification page follows ASRock's usual address pattern. It returned no content, so it was not read."}},{"url":"https://25n.de/ASRock-B860-Challenger-WiFi-1851-ATX-HDMI-USB-C-DDR/25N36624","kind":"retailer","accessed":"2026-10-15","fields":["gtins","model_numbers","vrm_layout","dimensions_mm"],"notes":{"gtins":"EAN 4711581494190, manufacturer part number 90-MXBUC0-A0UAYZ. A search result for a French retailer lists the same EAN. The White edition has a different EAN.","model_numbers":"Manufacturer part number 90-MXBUC0-A0UAYZ.","vrm_layout":"Copy of ASRock's text: 10+1+1+1+1 Power Phase Design, with Dr.MOS MOSFET power stages. TweakTown, as seen in a search excerpt, writes 10+1+1 for the same board, which counts the rails differently. The maker's string is stored.","dimensions_mm":"The spec table lists width 30.5 cm and depth 24.4 cm, which is the ATX size of 244 mm by 305 mm. The retailer's general information block lists other sizes, which are packaging. ATX is stored as 244 by 305."}},{"url":"https://geizhals.de/asrock-b860-challenger-wifi-90-mxbuc0-a0uayz-a3751620.html","kind":"spec_database","accessed":"2026-10-15","fields":["release_date","status","vrm_vcore_power_stages","preinstalled_io_shield","segment","model_numbers"],"notes":{"release_date":"Listed since 2026-03-09. The manual is dated December 2025. The job gives 2026-01 from ASRock's page, which could not be read. Search excerpts show retailer first listings in February and March 2026. The month is approximate.","status":"Listed with offers from many shops on 2026-10-15.","model_numbers":"Manufacturer part number 90-MXBUC0-A0UAYZ.","vrm_vcore_power_stages":"VRM row: 10+1+1+1+1 with 11 virtual CPU phases (2x5+1) and 10x MOSFETs for VCORE. Geizhals names no controller.","preinstalled_io_shield":"Features: integrated I/O shield.","segment":"Segment: Mainstream. ASRock Challenger is a budget line and not a Phantom Gaming, creator or workstation line."}},{"url":"https://pcinq.com/asrock-b860-challenger-wifi-review/","kind":"review_site","accessed":"2026-10-15","fields":["vrm_vcore_power_stages","wifi_module","warranty_years"],"notes":{"vrm_vcore_power_stages":"The review counts ten SiC623 integrated power stages for the CPU core, in a 14-phase 10+1+1+1+1 layout. It names no PWM controller.","wifi_module":"Component list: Realtek RTL8922AE on an AzureWave AW-EB601NF module, Wi-Fi 7 and Bluetooth 5.4. The manual block diagram shows AW-EB601NF on the Key E socket. No other source names the chip.","warranty_years":"Spec table: warranty 3 years. The review does not name the market."}},{"url":"https://pcpartpicker.com/product/BKDnTW/asrock-b860-challenger-wifi-atx-lga1851-motherboard-b860-challenger-wifi","kind":"spec_database","accessed":"2026-10-15","fields":["model_numbers","back_connect_design"],"notes":{"model_numbers":"Part numbers: B860 Challenger WiFi and 90-MXBUC0-A0UAYZ.","back_connect_design":"Back-Connect Connectors: No."}},{"url":"https://www.pugetsystems.com/labs/articles/z890-vs-b860-vs-h810/","kind":"press","accessed":"2026-10-15","fields":["cpu_overclocking"],"notes":{"cpu_overclocking":"The article says Z890 supports CPU core and base clock overclocking and the B860 chipset only supports memory overclocking."}}],"fields_filled":61,"updated":"2026-10-15"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}