{"id":108195,"date":"2026-04-09T10:13:57","date_gmt":"2026-04-09T09:13:57","guid":{"rendered":"https:\/\/buildit.im\/store\/index.php\/product\/asrock-b850m-pro-rs-amd-am5-socket-motherboard-micro-atx-4x-ddr5-slots-3x-m-2-sockets-fitted-i-o-shield-2-5gbe-lan-1x-displayport-1x-hdmi-port\/"},"modified":"2026-04-09T10:13:58","modified_gmt":"2026-04-09T09:13:58","slug":"asrock-b850m-pro-rs-amd-am5-socket-motherboard-micro-atx-4x-ddr5-slots-3x-m-2-sockets-fitted-i-o-shield-2-5gbe-lan-1x-displayport-1x-hdmi-port","status":"publish","type":"product","link":"https:\/\/buildit.im\/store\/index.php\/product\/asrock-b850m-pro-rs-amd-am5-socket-motherboard-micro-atx-4x-ddr5-slots-3x-m-2-sockets-fitted-i-o-shield-2-5gbe-lan-1x-displayport-1x-hdmi-port\/","title":{"rendered":"ASRock B850M Pro RS AMD AM5 Socket Motherboard, Micro-ATX, 4x DDR5 Slots, 3x M.2 Sockets, Fitted I\/O Shield, 2.5GbE LAN, 1x DisplayPort \/ 1x HDMI Port"},"content":{"rendered":"<p><b>ASRock B850M PRO RS<\/b><\/p>\n<p><b>Key Features<\/b><br \/>?Supports AMD Socket AM5 Ryzen 9000, 8000 and<br \/>7000 Series Processors<br \/>8+2+1 Phase Power Design, Dr.MOS for VCore+SOC+MISC<br \/>4 x DDR5 DIMMs<br \/>Supports Dual Channel, up to 8000+ (OC)<br \/>1 PCIe 5.0 x16, 1 PCIe 4.0 x4, 1 M.2 Key E for WiFi<br \/>Graphics Output Options: 1 HDMI, 1 DisplayPort<br \/>Realtek ALC897 7.1 CH HD Audio Codec, Nahimic Audio<br \/>1 x Blazing M.2 (PCIe Gen5x4)<br \/>2 x Hyper M.2 (PCIe Gen4x4)<br \/>4 x SATA3<br \/>1 x USB 3.2 Gen2 Type-C (Rear)<br \/>1 x USB 3.2 Gen2 Type-A (Rear)<br \/>1 x USB 3.2 Gen1 Type-C (Front)<br \/>6 x USB 3.2 Gen1 (2 Rear, 4 Front)<br \/>8 x USB 2.0 (4 Rear, 4 Front)<br \/>Realtek 2.5G LAN<br \/>Supports M.2 Bottom Heatsink,<br \/>BIOS Flashback<\/p>\n<p><b>8 + 2 + 1 POWER PHASE DESIGN + DR.MOS<\/b><br \/>Vcore with Dr.MOS design, delivering smoother and neater power to the CPU.<\/p>\n<p><b>BLAZING M.2 (PCIE GEN5 x4)<\/b><br \/>Supports up to 3 x NVMe M.2 SSDs and one of which is able to accommodates the latest PCI Express 5.0 standard.<\/p>\n<p><b>PRE-INSTALLED I\/O SHIELD<\/b><br \/>ASRock pre-installs the I\/O shield for you as an assembly helper to speed up the set-up process.<\/p>\n<p><b>M.2 BOTTOM HEATSINK<\/b><br \/>Dissipate heat efficiently through the motherboard PCB, maximize performance while maintaining system stability.<\/p>\n<p><b>USB 3.2 TYPE-C (FRONT + REAR)<\/b><br \/>Providing a blazing fast data transfer interface with reversible USB Type-C design that its the connector either way.<\/p>\n<p><b>M.2 KEY E FOR WIFI<\/b><br \/>Users may upgrade wireless module by M.2 (Key E) slot.<\/p>\n<p><b>Specification<\/b><\/p>\n<p><b>Platform<\/b><br \/>Micro ATX Form Factor: 9.6 in x 9.6-in, 30.5 cm x 24.4 cm<\/p>\n<p><b>Unique Feature<\/b><br \/>Superb Productivity<br \/>PCIe Gen5 (Graphics, M.2)<br \/>Dual Channel DDR5<br \/>Rock-Solid Durability<br \/>8+2+1 Power Phase, Dr.MOS for VCore+SOC+MISC<br \/>Pre-Installed I\/O Shield<br \/>Ultrafast Connectivity<br \/>2.5G LAN<br \/>EZ Update<br \/>BIOS Flashback Button<br \/>ASRock Auto Driver Installer<br \/>EZ Troubleshooter<br \/>ASRock Post Status Checker<\/p>\n<p><b>CPU<\/b><br \/>Supports AMD Socket AM5 Ryzen 9000, 8000 and 7000 Series Processors<\/p>\n<p><b>Chipset<\/b><br \/>AMD B850<\/p>\n<p><b>Memory<\/b><br \/>Dual Channel DDR5 Memory Technology<br \/>4 x DDR5 DIMM Slots<br \/>Supports DDR5 ECC\/non-ECC, un-buffered memory up to 8000+(OC)<br \/>Max. capacity of system memory: 256GB<br \/>Supports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO) memory modules<\/p>\n<p><b>Expansion Slot<\/b><br \/>CPU:<br \/>1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode<br \/>1 x PCIe 4.0 x4 Slot (PCIE2), supports x4 mode<br \/>Chipset:<br \/>1 x M.2 Socket (Key E), supports type 2230 WiFi\/BT PCIe WiFi module<br \/>PCIE1 will run at Gen5x16 with 9000 and 7000 series processors, Gen4x8 with 8000 (Phoenix 1) series processors and Gen4x4 with 8000 (Phoenix 2) series processors.<br \/>If M2_3 is occupied, PCIE2 will be disabled.<br \/>Supports NVMe SSD as boot disks<br \/>15\u00b5 Gold Contact in VGA PCIe Slot (PCIE1)<\/p>\n<p><b>Graphics<\/b><br \/>Integrated AMD RDNA graphics (Actual support may vary by CPU)<br \/>1 x HDMI 2.1 TMDS\/FRL 8G Compatible, supports HDR, HDCP 2.3 and max. resolution up to 4K 120Hz<br \/>1 x DisplayPort 1.4 with DSC (compressed), supports HDCP 2.3 and max. resolution up to 4K 120Hz<\/p>\n<p><b>Audio<\/b><br \/>7.1 CH HD Audio (Realtek ALC897 Audio Codec)<br \/>Nahimic Audio<\/p>\n<p><b>LAN<\/b><br \/>2.5 Gigabit LAN 10\/100\/1000\/2500 Mb\/s<br \/>Dragon RTL8125BG<br \/>Supports Dragon 2.5G LAN Software<br \/>Smart Auto Adjust Bandwidth Control<br \/>Visual User Friendly UI<br \/>Visual Network Usage Statistics<br \/>Optimized Default Setting for Game, Browser, and Streaming Modes<br \/>User Customized Priority Control<\/p>\n<p><b>USB<\/b><br \/>CPU:<br \/>1 x USB 3.2 Gen2 Type-C (Rear)<br \/>1 x USB 3.2 Gen2 Type-A (Rear)<br \/>Chipset:<br \/>1 x USB 3.2 Gen1 Type-C (Front)<br \/>6 x USB 3.2 Gen1 Type-A (2 Rear, 4 Front)<br \/>8 x USB 2.0 (4 Rear, 4 Front)<br \/>All USB ports support ESD Protection<\/p>\n<p><b>Rear Panel I\/O<\/b><br \/>2 x Antenna Mounting Points<br \/>1 x HDMI Port<br \/>1 x DisplayPort 1.4<br \/>1 x USB 3.2 Gen2 Type-A Port (10 Gb\/s)<br \/>1 x USB 3.2 Gen2 Type-C Port<br \/>2 x USB 3.2 Gen1 Ports<br \/>4 x USB 2.0 Ports<br \/>1 x RJ-45 LAN Port<br \/>1 x BIOS Flashback Button<br \/>HD Audio Jacks: Line in \/ Front Speaker \/ Microphone<\/p>\n<p><b>Storage<\/b><br \/>CPU:<br \/>1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb\/s) mode*<br \/>Chipset:<br \/>1 x Hyper M.2 Socket (M2_2, Key M), supports type 2280 PCIe Gen4x4 (64 Gb\/s) mode<br \/>1 x Hyper M.2 Socket (M2_3, Key M), supports type 2280 PCIe Gen4x4 (64 Gb\/s) mode<br \/>4 x SATA3 6.0 Gb\/s Connectors<br \/>Supports NVMe SSD as boot disks<br \/>M2_1 is the first priority for M.2 installation.<br \/>M2_1 will run at Gen5x4 with 9000 and 7000 series processors and Gen4x4 with 8000 (Phoenix 1 and Phoenix 2) series processors.<br \/>M2_3 will run at Gen4x4 with 9000 and 7000 series processors, Gen4x4 with 8000 (Phoenix 1) series processors and Gen4x2 with 8000 (Phoenix 2) series processors.<br \/>If M2_3 is occupied, PCIE2 will be disabled.<\/p>\n<p><b>RAID<\/b><br \/>Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices<br \/>Supports RAID 0, RAID 1 and RAID 10 for M.2 NVMe storage devices<br \/>Requires additional M.2 NVMe expansion cards to support RAID 10<\/p>\n<p><b>Connector<\/b><br \/>1 x SPI TPM Header<br \/>1 x Power LED and Speaker Header<br \/>1 x RGB LED Header<br \/>3 x Addressable LED Headers<br \/>2 x CPU Fan Connectors (4-pin) (Smart Fan Speed Control)<br \/>3 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)<br \/>1 x 24 pin ATX Power Connector<br \/>1 x 8 pin 12V Power Connector (Hi-Density Power Connector)<br \/>1 x 4 pin 12V Power Connector (Hi-Density Power Connector)<br \/>1 x Front Panel Audio Connector<br \/>2 x USB 2.0 Headers (Support 4 USB 2.0 ports)<br \/>2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports)<br \/>1 x Front Panel Type C USB 3.2 Gen1 Header<br \/>Supports in total up to 12V\/3A, 36W LED Strip<br \/>Support in total up to 5V\/3A, 15W LED Strip<br \/>CPU_FAN1 supports the fan power up to 1A (12W).<br \/>CPU_FAN2 and CHA_FAN1~3 support the fan power up to 3A (36W).<br \/>CPU_FAN2 and CHA_FAN1~3 can auto detect if 3-pin or 4-pin fan is in use.<\/p>\n<p><b>BIOS Feature<\/b><br \/>256Mb AMI UEFI Legal BIOS with GUI support<\/p>\n<p><b>Software and UEFI<\/b><br \/>Software<br \/>ASRock Motherboard Utility (A-Tuning)<br \/>ASRock Dragon 2.5G LAN Software<br \/>ASRock Polychrome SYNC<br \/>UEFI<br \/>ASRock EZ Mode<br \/>ASRock Full HD UEFI<br \/>ASRock Auto Driver Installer<br \/>ASRock Instant Flash<\/p>\n<p><b>OS<\/b><br \/>Microsoft Windows 10 64-bit \/ 11 64-bit<\/p>\n<p><b>Certifications<\/b><br \/>FCC, CE<br \/>ErP\/EuP ready (ErP\/EuP ready power supply is required)<\/p>\n<p><b>Accessories<\/b><br \/>2 x SATA Data Cables<br \/>1 x Screw for M.2 Socket<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ASRock B850M Pro RS AMD AM5 Socket Motherboard, Micro-ATX, 4x DDR5 Slots, 3x M.2 Sockets, Fitted I\/O Shield, 2.5GbE LAN, 1x DisplayPort \/ 1x HDMI Port<\/p>\n","protected":false},"featured_media":108196,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[15823],"product_cat":[1031],"product_tag":[30042,30061,30060,21321,21313,30063,29709,21327,29902,30062,21317,30049,30038,30064,30066,30058,30045,29594,30065,30039,21326,30054,30051,29645,29598,30047,1454,30043,30055,30052,29648,29593,30032,30053,29899,30050,29921,30059],"class_list":{"0":"post-108195","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-asrock","7":"product_cat-motherboards","8":"product_tag-1-displayportrealtek-alc897-7-1-ch-hd-audio-codec","9":"product_tag-1-m-2-key-e-for-wifigraphics-output-options-1-hdmi","10":"product_tag-1-pcie-4-0-x4","11":"product_tag-1x-displayport-1x-hdmi-port","12":"product_tag-2-5gbe-lan","13":"product_tag-30-5-cm-x-24-4-cmunique-featuresuperb-productivitypcie-gen5-graphics","14":"product_tag-36w-led-stripsupport-in-total-up-to-5v-3a","15":"product_tag-3x-m-2-sockets","16":"product_tag-4-front8-x-usb-2-0-4-rear","17":"product_tag-4-frontrealtek-2-5g-lansupports-m-2-bottom-heatsink","18":"product_tag-4x-ddr5-slots","19":"product_tag-8000-and-7000-series-processorschipsetamd-b850memorydual-channel-ddr5-memory-technology4-x-ddr5-dimm-slotssupports-ddr5-ecc-non-ecc","20":"product_tag-8000-and7000-series-processors821-phase-power-design","21":"product_tag-and-streaming-modesuser-customized-priority-controlusbcpu1-x-usb-3-2-gen2-type-c-rear1-x-usb-3-2-gen2-type-a-rearchipset1-x-usb-3-2-gen1-type-c-front6-x-usb-3-2-gen1-type-a-2-rear","22":"product_tag-asrock-b850m-pro-rs-amd-am5-socket-motherboard","23":"product_tag-asrock-b850m-pro-rskey-featuressupports-amd-socket-am5-ryzen-9000","24":"product_tag-bios-flashback8-2-1-power-phase-design-dr-mosvcore-with-dr-mos-design","25":"product_tag-browser","26":"product_tag-ceerp-eup-ready-erp-eup-ready-power-supply-is-requiredaccessories2-x-sata-data-cables1-x-screw-for-m-2-socket","27":"product_tag-dr-mos-for-vcoresocmisc4-x-ddr5-dimmssupports-dual-channel","28":"product_tag-fitted-i-o-shield","29":"product_tag-gen4x4-with-8000-phoenix-1-series-processors-and-gen4x2-with-8000-phoenix-2-series-processors-if-m2_3-is-occupied","30":"product_tag-gen4x8-with-8000-phoenix-1-series-processors-and-gen4x4-with-8000-phoenix-2-series-processors-if-m2_3-is-occupied","31":"product_tag-hdcp-2-3-and-max-resolution-up-to-4k-120hz1-x-displayport-1-4-with-dsc-compressed","32":"product_tag-key-m","33":"product_tag-m-2dual-channel-ddr5rock-solid-durability821-power-phase","34":"product_tag-micro-atx","35":"product_tag-nahimic-audio1-x-blazing-m-2-pcie-gen5x42-x-hyper-m-2-pcie-gen4x44-x-sata31-x-usb-3-2-gen2-type-c-rear1-x-usb-3-2-gen2-type-a-rear1-x-usb-3-2-gen1-type-c-front6-x-usb-3-2-gen1-2-rear","36":"product_tag-pcie2-will-be-disabled-raidsupports-raid-0","37":"product_tag-pcie2-will-be-disabled-supports-nvme-ssd-as-boot-disks15-gold-contact-in-vga-pcie-slot-pcie1graphicsintegrated-amd-rdna-graphics-actual-support-may-vary-by-cpu1-x-hdmi-2-1-tmds-frl-8g-compat","38":"product_tag-raid-1-and-raid-10-for-sata-storage-devicessupports-raid-0","39":"product_tag-supports-hdr","40":"product_tag-supports-type-2230-wifi-bt-pcie-wifi-modulepcie1-will-run-at-gen5x16-with-9000-and-7000-series-processors","41":"product_tag-supports-type-2280-pcie-gen4x4-64-gb-s-mode1-x-hyper-m-2-socket-m2_3","42":"product_tag-supports-type-2280-pcie-gen5x4-128-gb-s-modechipset1-x-hyper-m-2-socket-m2_2","43":"product_tag-supports-x16-mode1-x-pcie-4-0-x4-slot-pcie2","44":"product_tag-supports-x4-modechipset1-x-m-2-socket-key-e","45":"product_tag-up-to-8000-oc1-pcie-5-0-x16","47":"first","48":"instock","49":"sold-individually","50":"purchasable","51":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/product\/108195","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/media\/108196"}],"wp:attachment":[{"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/media?parent=108195"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/product_brand?post=108195"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/product_cat?post=108195"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/product_tag?post=108195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}