{"id":16960,"date":"2026-05-18T13:57:48","date_gmt":"2026-05-18T12:57:48","guid":{"rendered":"http:\/\/www.callanthe.im\/index.php\/product\/asrock-b550m-pro4-amd-am4-socket-motherboard-micro-atx-4x-ddr4-slots-2x-m-2-sockets-gbe-lan-1x-d-sub-1x-displayport-1x-hdmi-port-2\/"},"modified":"2026-05-18T13:57:49","modified_gmt":"2026-05-18T12:57:49","slug":"asrock-b550m-pro4-amd-am4-socket-motherboard-micro-atx-4x-ddr4-slots-2x-m-2-sockets-gbe-lan-1x-d-sub-1x-displayport-1x-hdmi-port-2","status":"publish","type":"product","link":"https:\/\/www.callanthe.im\/index.php\/product\/asrock-b550m-pro4-amd-am4-socket-motherboard-micro-atx-4x-ddr4-slots-2x-m-2-sockets-gbe-lan-1x-d-sub-1x-displayport-1x-hdmi-port-2\/","title":{"rendered":"ASRock B550M Pro4 AMD AM4 Socket Motherboard, Micro-ATX, 4x DDR4 Slots, 2x M.2 Sockets, GbE LAN, 1x D-Sub \/ 1x DisplayPort \/ 1x HDMI Port"},"content":{"rendered":"<p>Supports 3rd Gen AMD AM4 Ryzen \/ Future AMD Ryzen Processors<br \/>8 Power Phase Design, Digi Power<br \/>Supports DDR4 4733+ (OC)<br \/>1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 1 PCIe 3.0 x1, 1 M.2 Key E for WiFi<br \/>Graphics Output Options: HDMI, DisplayPort, D-Sub<br \/>AMD CrossFireX<br \/>7.1 CH HD Audio (Realtek ALC1200 Audio Codec), Nahimic Audio<br \/>6 SATA3, 1 Hyper M.2 (PCIe Gen4 x4), 1 M.2 (PCIe Gen3 x2 &#038; SATA3)<br \/>2 USB 3.2 Gen2 (Rear Type A+C), 8 USB 3.2 Gen1 (4 Front, 4 Rear)<br \/>Realtek Gigabit LAN<\/p>\n<p><B>Nahimic Audio<\/B><br \/>Whether you are using headphones, a headset, external or internal speakers, via USB, Wi-Fi, analog output or even HDMI, Nahimic Audio offers you the most engaging listening experience, vibrant and rich with details.<\/p>\n<p><B>8 Power Phase Design<\/B><br \/>Featuring sturdy components and completely smooth power delivery to the CPU. Plus, it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well.<\/p>\n<p><B>Premium 50A Power Choke<\/B><br \/>Compared to traditional chokes, ASRock\u2019s premium 50A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.<\/p>\n<p><B>2oz Copper PCB<\/B><br \/>2 ounce copper inner layers that provide stable signal traces and power shapes! Delivering lower temperature and higher energy efficiency for overclocking, it&#8217;s able to support the latest DDR4 memory modules with most extreme memory performance!<\/p>\n<p><B>Specifications<\/B><\/p>\n<p><B>Unique Feature<\/B><br \/>ASRock USB 3.2 Gen2<br \/>&#8211; ASRock USB 3.2 Gen2 Type-A Port (10 Gb\/s)<br \/>&#8211; ASRock USB 3.2 Gen2 Type-C Port (10 Gb\/s)<br \/>ASRock Super Alloy<br \/>&#8211; XXL Aluminum Alloy Heatsink<br \/>&#8211; Premium 50A Power Choke<br \/>&#8211; Sapphire Black PCB<br \/>&#8211; High Density Glass Fabric PCB<br \/>&#8211; 2oz Copper PCB<br \/>ASRock Steel Slot Gen4<br \/>ASRock Full Coverage M.2 Heatsink<br \/>ASRock Hyper M.2 (PCIe Gen4x4)<br \/>ASRock POST Status Checker (PSC)<br \/>ASRock Full Spike Protection (for all USB, Audio, LAN Ports)<br \/>ASRock Live Update &#038; APP Shop<\/p>\n<p><B>CPU<\/B><br \/>Supports 3rd Gen AMD AM4 Ryzen \/ future AMD Ryzen Processors<br \/>Digi Power design<br \/>8 Power Phase design<br \/>Not compatible with AMD Ryzen\u2122 5 3400G and Ryzen\u2122 3 3200G.<\/p>\n<p><B>Chipset<\/B><br \/>AMD B550<\/p>\n<p><B>Memory<\/B><br \/>Dual Channel DDR4 Memory Technology<br \/>4 x DDR4 DIMM Slots<br \/>AMD Ryzen series CPUs (Matisse) support DDR4 4533+(OC) \/ 4466(OC) \/ 4400(OC) \/ 4333(OC) \/ 4266(OC) \/ 4200(OC) \/ 4133(OC) \/ 4000(OC) \/ 3866(OC) \/ 3800(OC) \/ 3733(OC) \/ 3600(OC) \/ 3466(OC) \/ 3200 \/ 2933 \/ 2667 \/ 2400 \/ 2133 ECC &#038; non-ECC, un-buffered memory<br \/>AMD Ryzen series APUs support DDR4 4733+(OC) \/ 4666(OC) \/ 4600(OC) \/ 4533(OC) \/ 4466(OC) \/ 4400(OC) \/ 4333(OC) \/ 4266(OC) \/ 4200(OC) \/ 4133(OC) \/ 4000(OC) \/ 3866(OC) \/ 3800(OC) \/ 3733(OC) \/ 3600(OC) \/ 3466(OC) \/ 3200 \/ 2933 \/ 2667 \/ 2400 \/ 2133 ECC &#038; non-ECC, un-buffered memory<br \/>Max. capacity of system memory: 128GB<br \/>Supports Extreme Memory Profile (MP) memory modules<br \/>15\u00b5 Gold Contact in DIMM Slots<\/p>\n<p><B>BIOS<\/B><br \/>256Mb AMI UEFI Legal BIOS with GUI support<br \/>Supports &#8220;Plug and Play&#8221;<br \/>ACPI 5.1 compliance wake up events<br \/>Supports jumperfree<br \/>SMBIOS 2.3 support<br \/>CPU, CPU VDDCR_SOC, DRAM, VPPM, 1.05V_PROM_S5, 2.5V_PROM, +1.8VSB, VDDP Voltage Multi-adjustment<\/p>\n<p><B>Graphics<\/B><br \/>Integrated AMD Radeon Vega Series Graphics in Ryzen Series APU<br \/>DirectX 12, Pixel Shader 5.0<br \/>Shared memory default 2GB. Max Shared memory supports up to 16GB.<br \/>Three graphics output options: D-Sub, HDMI and DisplayPort 1.4<br \/>Supports Triple Monitor<br \/>Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096&#215;2160) @ 60Hz<br \/>Supports DisplayPort 1.4 with max. resolution up to 5K (5120&#215;2880)@120Hz<br \/>Supports D-Sub with max. resolution up to 1920&#215;1200 @ 60Hz<br \/>Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI 2.1 Port (Compliant HDMI monitor is required)<br \/>Supports HDR (High Dynamic Range) with HDMI 2.1<br \/>Supports HDCP 2.3 with HDMI 2.1 and DisplayPort 1.4 Ports<br \/>Supports 4K Ultra HD (UHD) playback with HDMI 2.1 and DisplayPort 1.4 Ports<br \/>Supports Microsoft PlayReady<\/p>\n<p><B>Audio<\/B><br \/>7.1 CH HD Audio with Content Protection (Realtek ALC1200 Audio Codec)<br \/>Premium Blu-ray Audio support<br \/>Supports Surge Protection<br \/>PCB Isolate Shielding<br \/>Individual PCB Layers for R\/L Audio Channel<br \/>Nahimic Audio<\/p>\n<p><B>LAN<\/B><br \/>PCIE x1 Gigabit LAN 10\/100\/1000 Mb\/s<br \/>Realtek RTL8111H<br \/>Supports Wake-On-LAN<br \/>Supports Lightning\/ESD Protection<br \/>Supports Energy Efficient Ethernet 802.3az<br \/>Supports PXE<\/p>\n<p><B>Slots<\/B><br \/>AMD Ryzen series CPUs (Matisse)<br \/>&#8211; 2 x PCI Express x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)<br \/>AMD Ryzen series APUs<br \/>&#8211; 2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)<br \/>1 x PCI Express 3.0 x1 Slot<br \/>Supports AMD Quad CrossFireX and CrossFireX<br \/>1 x M.2 Socket (Key E), supports type 2230 WiFi\/BT module<\/p>\n<p><B>Storage<\/B><br \/>6 x SATA3 6.0 Gb\/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug<br \/>1 x Hyper M.2 Socket (M2_1), supports M Key type 2280 M.2 PCI Express module up to Gen4x4 (64 Gb\/s) (with Matisse) or Gen3x4 (32 Gb\/s)<br \/>1 x M.2 Socket (M2_2), supports M Key type 2280 M.2 SATA3 6.0 Gb\/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb\/s)<\/p>\n<p><B>Connector<\/B><br \/>1 x COM Port Header<br \/>1 x SPI TPM Header<br \/>1 x Power LED and Speaker Header<br \/>2 x RGB LED Headers<br \/>2 x Addressable LED Headers<br \/>1 x CPU Fan Connector (4-pin)<br \/>1 x CPU\/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)<br \/>4 x Chassis\/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)<br \/>1 x 24 pin ATX Power Connector<br \/>1 x 8 pin 12V Power Connector<br \/>1 x Front Panel Audio Connector<br \/>2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)<br \/>2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports) (Supports ESD Protection)<\/p>\n<p><B>Rear Panel I\/O<\/B><br \/>Antenna Bracket<br \/>1 x PS\/2 Mouse\/Keyboard Port<br \/>1 x D-Sub Port<br \/>1 x HDMI Port<br \/>1 x DisplayPort 1.4<br \/>1 x USB 3.2 Gen2 Type-A Port (10 Gb\/s) (Supports ESD Protection)<br \/>1 x USB 3.2 Gen2 Type-C Port (10 Gb\/s) (Supports ESD Protection)<br \/>4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection)<br \/>2 x USB 2.0 Ports (Supports ESD Protection)<br \/>1 x RJ-45 LAN Port with LED (ACT\/LINK LED and SPEED LED)<br \/>HD Audio Jacks: Line in \/ Front Speaker \/ Microphone<\/p>\n<p><B>Software and UEFI<\/B><br \/>Software<br \/>&#8211; ASRock Motherboard Utility (A-Tuning)<br \/>&#8211; ASRock XFast LAN<br \/>UEFI<br \/>&#8211; ASRock Full HD UEFI<br \/>&#8211; ASRock Instant Flash<\/p>\n<p><B>Support CD<\/B><br \/>Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar<\/p>\n<p><B>Accessories<\/B><br \/>Quick Installation Guide, Support CD, I\/O Shield<br \/>2 x SATA Data Cables<br \/>2 x Screws for M.2 Sockets<\/p>\n<p><B>Hardware Monitor<\/B><br \/>Temperature Sensing: CPU, CPU\/Water Pump, Chassis\/Water Pump Fans<br \/>Fan Tachometer: CPU, CPU\/Water Pump, Chassis\/Water Pump Fans<br \/>Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, CPU\/Water Pump, Chassis\/Water Pump Fans<br \/>Fan Multi-Speed Control: CPU, CPU\/Water Pump, Chassis\/Water Pump Fans<br \/>Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, CPU VDDCR_SOC, DRAM, VPPM, 1.05V_PROM_S5, +1.8V, VDDP<\/p>\n<p><B>Form Factor<\/B><br \/>Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm<br \/>Solid Capacitor design<br \/>2oz Copper PCB<\/p>\n<p><B>OS<\/B><br \/>Microsoft Windows 10 64-bit<\/p>\n<p><B>Certifications<\/B><br \/>FCC, CE<br \/>ErP\/EuP ready (ErP\/EuP ready power supply is required)<\/p>\n<ul>\n<li>Socket: AM4<\/li>\n<li>CPU Compatibility: AMD Ryzen 5000\/4000\/3000<\/li>\n<li>Chipset: AMD B550<\/li>\n<li>Form Factor: Micro ATX<\/li>\n<li>Memory Slots: DDR4 &#8211; 4 Slots<\/li>\n<li>M.2 Compatibility: PCIe 4 \/ PCIe 3<\/li>\n<li>Wi-Fi: No<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>ASRock B550M Pro4 AMD AM4 Socket Motherboard, Micro-ATX, 4x DDR4 Slots, 2x M.2 Sockets, GbE LAN, 1x D-Sub \/ 1x DisplayPort \/ 1x HDMI Port<\/p>\n","protected":false},"featured_media":13062,"template":"","meta":[],"product_brand":[81],"product_cat":[112],"product_tag":[113],"class_list":["post-16960","product","type-product","status-publish","has-post-thumbnail","product_brand-asrock","product_cat-motherboards","product_tag-motherboards","first","instock","sold-individually","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/product\/16960","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/media\/13062"}],"wp:attachment":[{"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/media?parent=16960"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/product_brand?post=16960"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/product_cat?post=16960"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/product_tag?post=16960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}