{"data":{"slug":"gigabyte-b550m-k","type":"motherboard","brand":"GIGABYTE","name":"B550M K","aliases":["GIGABYTE B550M K","B550M-K"],"release_date":"2023-02","url":"https://arkivo.dev/motherboards/gigabyte-b550m-k","specs":{"series":null,"model_numbers":["B550M K"],"gtins":["4719331852764","889523036006"],"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.gigabyte.com/Motherboard/B550M-K-rev-10","spec_sheet_url":"https://www.gigabyte.com/Motherboard/B550M-K-rev-10/sp","manual_url":"https://www.trovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdf","eprel_registration_number":null,"warranty_years":3,"segment":"mainstream","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":"micro_atx","dimensions_mm":{"width_mm":244,"height_mm":244},"pcb_layers":null,"back_connect_design":false,"rgb_lighting":false,"vrm_layout":"3+3","vrm_vcore_power_stages":null,"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":4733,"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_x1","electrical_lanes":1,"pcie_gen":3,"connected_to":"chipset","count":1}],"pcie_x16_slot_count":1,"pcie_x16_gen_max":4,"m2_slots":[{"slot":"M2A_CPU","pcie_gen":4,"pcie_lanes":4,"connected_to":"cpu","form_factor":"m2_2280","sata":true,"heatsink":false,"shares_lanes_with":null},{"slot":"M2B_SB","pcie_gen":3,"pcie_lanes":2,"connected_to":"chipset","form_factor":"m2_2280","sata":false,"heatsink":false,"shares_lanes_with":null}],"m2_slot_count":2,"m2_pcie5_slot_count":0,"sata_port_count":4,"rear_ports":[{"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":4,"max_gbps":0.48,"tb_usb4":null,"power_out_w":null,"dp_alt_mode":null},{"type":"displayport","version":"DisplayPort 1.4","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":1,"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},{"type":"ps2","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":0,"rear_usb_max_gbps":5,"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":1,"ports":2,"power_out_w":null}],"usb_c_header_max_gbps":null,"fan_header_count":2,"argb_header_count":0,"rgb_header_count":0,"ethernet_controllers":null,"ethernet_port_count":1,"ethernet_max_gbps":1,"wifi":false,"wifi_standard":null,"wifi_bands":null,"wifi_max_channel_width_mhz":null,"wifi_module":null,"bluetooth_version":null,"audio_codec":null,"dac_chip":null,"bios_flashback":false,"clear_cmos_button":false,"post_code_display":false,"onboard_power_button":false,"dual_bios":false,"preinstalled_io_shield":null,"tool_free_features":["m2_latch"],"measured_vrm_temp_c":null,"measured_power_idle_w":null,"measured_power_cpu_stress_w":null,"in_the_box":["SATA cable","User's Manual","I/O Shield"]},"variants":[],"sources":[{"url":"https://www.trovaprezzi.it/manuali/gigabyte_b550m_k_1_0.pdf","kind":"manual","accessed":"2026-10-15","fields":["manual_url","model_numbers","cpu_socket","motherboard_chipset","supported_cpu_series","motherboard_form_factor","dimensions_mm","back_connect_design","rgb_lighting","cpu_power_connectors","supplemental_pcie_power","ram_type","ram_slot_count","ram_max_gb","ram_ecc","expansion_slots","m2_slots","sata_port_count","rear_ports","usb_headers","fan_header_count","argb_header_count","rgb_header_count","wifi","bios_flashback","clear_cmos_button","post_code_display","onboard_power_button","dual_bios","tool_free_features","in_the_box"],"notes":{"manual_url":"GIGABYTE B550M K User's Manual Rev. 1001, copyright 2023, 29 pages, hosted by trovaprezzi.it. It is the manual for rev. 1.0. A newer GIGABYTE manual, Rev. 1102 from 2026, covers B550M K and B550M K WIFI6E and is listed below.","model_numbers":"The manual cover names the model B550M K. The product page lists revisions 1.0, 1.1 and 1.2 under the same name.","cpu_socket":"Section 2-2: AMD Socket AM4.","motherboard_chipset":"Section 2-2: Chipset AMD B550.","supported_cpu_series":"Section 2-2 lists AMD Ryzen 5000 G-Series, 5000 Series, 4000 G-Series and 3000 Series Processors and refers to GIGABYTE's website for the latest CPU support list. The Rev. 1102 manual adds Ryzen 3000 G-Series, which LDLC says rev. 1.0 boards do not support (3200G and 3400G), so only the four series both manuals list are stored. The list was read on 2026-10-15.","motherboard_form_factor":"Section 2-2: Micro ATX Form Factor, 24.4cm x 24.4cm.","dimensions_mm":"Section 2-2: 24.4cm x 24.4cm, stored as 244 mm by 244 mm.","back_connect_design":"The section 1-1 layout and the section 2-7 connector list show the usual front-side power, fan and USB connectors.","rgb_lighting":"The complete Specifications list names no lighting on the board and no LED feature. The internal connector list has no RGB or ARGB header.","cpu_power_connectors":"Section 2-2 Internal Connectors: 1 x 24-pin ATX main power connector and 1 x 8-pin ATX 12V power connector.","supplemental_pcie_power":"The complete internal connector list has only the 24-pin and 8-pin ATX 12V connectors, so there is no extra slot power connector.","ram_type":"Section 2-2: 4 x DDR4 DIMM sockets.","ram_slot_count":"Section 2-2: 4 x DDR4 DIMM sockets.","ram_max_gb":"Section 2-2: up to 128 GB (32 GB single DIMM capacity) of system memory.","ram_ecc":"Section 2-2 lists support for ECC Un-buffered DIMM 1Rx8/2Rx8 and non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 modules with no non-ECC mode qualifier. GIGABYTE's product page says ECC support varies by CPU, which still counts as true.","expansion_slots":"Section 2-2 with Ryzen 5000 and 3000: 1 x PCI Express x16 slot from the CPU at PCIe 4.0 x16 (PCIe 3.0 x16 with Ryzen 5000 G-Series and 4000 G-Series) and 1 x PCI Express x1 slot from the chipset at PCIe 3.0 x1.","m2_slots":"Section 2-2 with Ryzen 5000 and 3000. M2A_CPU is from the CPU, type 2280, SATA and PCIe 4.0 x4/x2 SSDs (PCIe 3.0 with 5000 G-Series and 4000 G-Series). M2B_SB is from the chipset, type 2280, PCIe 3.0 x2 SSDs, with no SATA mode listed. Section 2-7 item 6 shows both slots held by a clip and no heatsink. No lane sharing is stated.","sata_port_count":"Section 2-2: 4 x SATA 6Gb/s connectors from the chipset.","rear_ports":"Section 2-2 Back Panel Connectors: 1 x PS/2 keyboard/mouse port, 1 x DisplayPort, 1 x HDMI port, 4 x USB 3.2 Gen 1 ports, 4 x USB 2.0/1.1 ports, 1 x RJ-45 port and 3 x audio jacks. The list has no button and no optical S/PDIF port. LAN is 1 Gbps. DisplayPort 1.4 (5120x2880 at 60 Hz) and HDMI 2.1 (4096x2160 at 60 Hz) work only with Ryzen 5000 G-Series and 4000 G-Series processors, which have integrated graphics.","usb_headers":"Section 2-2: 1 x USB 3.2 Gen 1 header and 1 x USB 2.0/1.1 header. Section 2-7 items 9 and 10: each header serves two ports through an optional bracket. No front USB-C header and no USB power output is stated.","fan_header_count":"Section 2-2 Internal Connectors: 1 x CPU fan header and 1 x system fan header, both 4-pin.","argb_header_count":"The complete internal connector list has no ARGB header.","rgb_header_count":"The complete internal connector list has no RGB header.","wifi":"The Specifications list has no Wireless section and the back panel list has no antenna connectors. The newer B550M K WIFI6E is a separate model.","bios_flashback":"The back panel list has no button. Q-Flash is a BIOS utility and needs a CPU and memory.","clear_cmos_button":"Section 2-7 item 13 is the CLR_CMOS jumper. The back panel list has no button.","post_code_display":"The specifications and connector list name no two-digit display.","onboard_power_button":"The internal connector list and the section 1-1 layout name no power or start button on the board.","dual_bios":"Section 2-2: BIOS is 1 x 128 Mbit flash with a licensed AMI UEFI BIOS. Dual BIOS is not named.","tool_free_features":"Section 2-7 item 6: pull the clip's tab out of the mounting hole, slide the M.2 SSD in, press it down and press the clip's tab into the mounting hole. No screw is used.","in_the_box":"Section 1-2 box contents: B550M K motherboard, User's Manual, One SATA cable, I/O Shield, for reference only. The Rev. 1102 manual lists Two SATA cables, so the SATA cable count is not stored."}},{"url":"https://www.regard.ru/api/site/files/goodspdf/download/30802","kind":"manual","accessed":"2026-10-15","fields":["supported_cpu_series","in_the_box","m2_slots","rear_ports"],"notes":{"supported_cpu_series":"GIGABYTE User's Manual Rev. 1102, copyright 2026, for B550M K WIFI6E and B550M K, linked from a Russian retailer's page for rev. 1.2. Section 2-2 lists Ryzen 5000 G-Series, 5000, 4000 G-Series, 3000 G-Series and 3000 Series. The four series that rev. 1.0 also lists are stored.","in_the_box":"Section 1-2: B550M K WIFI6E or B550M K motherboard, User's Manual, I/O Shield, Two SATA cables and One antenna (WIFI6E only). The older Rev. 1001 manual says One SATA cable.","m2_slots":"Section 2-2 gives the same M2A_CPU and M2B_SB slots, types and speeds as the Rev. 1001 manual.","rear_ports":"Section 2-2 gives the same back panel list as the Rev. 1001 manual. Its LAN line adds 10 Mbps to 1 Gbps and 100 Mbps."}},{"url":"https://www.gigabyte.com/Motherboard/B550M-K-rev-10/sp","kind":"manufacturer_page","accessed":"2026-10-15","fields":["manufacturer_url","spec_sheet_url","ram_max_speed_mts"],"notes":{"manufacturer_url":"GIGABYTE product page for B550M K rev. 1.0. Revisions 1.1 and 1.2 have their own pages with the same name.","spec_sheet_url":"The /sp page is GIGABYTE's specification page. It was read through a web search excerpt only.","ram_max_speed_mts":"The search excerpt of the specification page lists DDR4 4733 (O.C.) as the top memory speed and 3200, 2933, 2667, 2400 and 2133 for plain modules. Ryzen 5000 is the newest processor family the board lists. The manuals list only the plain speeds up to 3200, so the product page is used, as the field rule says."}},{"url":"https://ik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/4a6bea2c/66f2e2428f76e40019820f68/product-pdf","kind":"retailer","accessed":"2026-10-15","fields":["gtins","warranty_years","ram_max_speed_mts","segment"],"notes":{"gtins":"Product data sheet for the part B550M K, publication date 24-SEP-2024, barcodes 4719331852764 and 889523036006. Amazon and BuildCores list the same UPC, and several retailers list the same EAN.","warranty_years":"The data sheet from a European distributor feed gives Warranty period 3 year(s). The market is Europe. Amazon US says 3 Years Manufacturer.","ram_max_speed_mts":"Supported memory clock speed (max) 4733 MHz, with the list 2133 up to 4733 MHz. It is the data rate in MT/s.","segment":"The data sheet title names no gaming or creator use. Its tagline reads AMD B550 Ultra Durable. The board is not in a GIGABYTE AORUS, GAMING or EAGLE line, so it is stored as mainstream."}},{"url":"https://www.amazon.com/dp/B0BTTZFQTP","kind":"retailer","accessed":"2026-10-15","fields":["status","gtins","warranty_years","vrm_layout","ram_max_speed_mts"],"notes":{"status":"The page showed the board In Stock on 2026-10-15. Best Sellers Rank was 18 in Computer Motherboards.","gtins":"Item details: UPC 889523036006.","warranty_years":"Warranty Description: 3 Years Manufacturer, on the US page.","vrm_layout":"The GIGABYTE-branded listing says Digital 3+3 VRM Design in its bullets and 3+3 Power Phase in its title. GIGABYTE's own specification page and manuals give no phase count. A 4+3 count in an unreliable review and a 5+3 count on one retailer page disagree. The board photo on this page shows six output chokes beside the CPU socket, so the phases may be doubled and no Vcore stage count is stored.","ram_max_speed_mts":"The listing's GIGABYTE infographic says DDR4 Overclocking up to 4733 MT/s."}},{"url":"https://www.amd.com/en/products/processors/chipsets/am4.html","kind":"manufacturer_page","accessed":"2026-10-15","fields":["cpu_overclocking"],"notes":{"cpu_overclocking":"AMD's AM4 chipset specifications table, B550 row: Overclocking Enabled: Yes. This is the chipset maker's feature, not a board spec. The board's BIOS options were not checked."}},{"url":"https://geizhals.at/gigabyte-b550m-k-a2901610.html","kind":"spec_database","accessed":"2026-10-15","fields":["release_date","warranty_years","ram_max_speed_mts"],"notes":{"release_date":"Gelistet seit 21.02.2023. This is the first retail listing, so the month is approximate. BuildCores gives the release year 2023.","warranty_years":"Garantie row: 3 Jahre. The market is Austria.","ram_max_speed_mts":"RAM-Datenrate row: DDR4-3200 for Ryzen 3000 to 5000 and max. DDR4-4733 OC."}},{"url":"https://www.buildcores.com/products/Motherboard/x8q2g3bog/Gigabyte-B550M-K-AM4-DDR4-Micro-ATX","kind":"spec_database","accessed":"2026-10-15","fields":["release_date","gtins"],"notes":{"release_date":"Release Year 2023.","gtins":"UPC 889523036006 and EAN 4719331852764. BuildCores also lists EANs 4719331880811 and 4719331805654, which no other source confirms, so they are not stored."}}],"fields_filled":49,"updated":"2026-10-15"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}