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SKU: 90-MXBDH0-A0IAY2Z
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Features
B550M-ITX/ac
*Not compatible with AMD Ryzen™ 5 3400G and Ryzen™ 3 3200G.
The ASRock B550M-ITX/AC pairs third-generation AMD Ryzen processors with high PCIe 4.0 memory bandwidth through the B550 chipset for maximum performance.
Storage and Memory
Electrical Performance
The ASRock B550M-ITX/AC motherboard has a digital 8 power phase design with Dr. MOS is optimized to deliver up to 50A of continuous current through each phase. High-quality 60A alloy chokes alongside durable capacitors deliver power to critical components such as the CPU.
Durable Design
Fully Connected
In addition to ASRock B550M-ITX/AC USB 2.0 ports, this motherboard includes USB 3.2 Gen 1 ports that can transfer data at up to 5 Gb/s with compatible devices. The USB 3.2 Gen 2 Type-C port has a maximum throughput of 10 Gb/s.
Integrated Graphics
The DisplayPort 1.4 HDMI 1.2 ports support 4K monitors, which allow you to take advantage of AMD Ryzen CPUs that have integrated graphics.
Fast Network Connectivity
Immersive Audio
The ASRock B550M-ITX/AC integrated Realtek ALC887 audio technology is designed to deliver detailed sound with 7.1-channel playback.
Polychrome RGB Lighting
ASRock Polychrome technology allows you to connect, customize, and control lighting equipment such as RGB LEDs and light strips on the onboard RGB headers. You can choose from a variety of lighting presets, which can be synchronized with capable peripherals such as keyboards, mice, CPU coolers, and more. The addressable RGB headers can detect the number of LEDs on a compatible device to further tailor the lighting effects.
| Unique Feature | ASRock Super Alloy – Premium 60A Power Choke – 50A Dr.MOS – Sapphire Black PCB – High Density Glass Fabric PCB Intel® 802.11ac WiFi ASRock Full Coverage M.2 Heatsink ASRock Hyper M.2 (PCIe Gen4x4) ASRock Full Spike Protection (for all USB, Audio, LAN Ports) ASRock Live Update & APP Shop |
| CPU | – Supports AMD AM4 Socket Ryzen™ 3000, 4000 G-Series and 5000 Series Desktop Processors*
*Not compatible with AMD Ryzen™ 5 3400G and Ryzen™ 3 3200G. |
| Chipset | – AMD B550 |
| Memory | – Dual Channel DDR4 Memory Technology – 2 x DDR4 DIMM Slots – AMD Ryzen series CPUs (Matisse) support DDR4 4600+(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(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 & non-ECC, un-buffered memory* – AMD Ryzen series APUs (Renoir) 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 & non-ECC, un-buffered memory* – Max. capacity of system memory: 64GB** – Supports Extreme Memory Profile (XMP) memory modules – 15μ Gold Contact in DIMM SlotsSR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label**Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® 32-bit OS. For Windows® 64-bit OS with 64-bit CPU, there is no such limitation. |
| BIOS | – 256Mb AMI UEFI Legal BIOS with GUI support – Supports “Plug and Play” – ACPI 5.1 compliance wake up events – Supports jumperfree – SMBIOS 2.3 support – CPU, CPU VDDCR_SOC, DRAM, VPPM, +1.8VSB, VDDP Voltage Multi-adjustment |
| Graphics | – Integrated AMD Radeon™ Vega Series Graphics in Ryzen Series APU*
*Actual support may vary by CPU **The Max shared memory 16GB requires 32GB system memory installed. |
| Audio | – 7.1 CH HD Audio (Realtek ALC887 Audio Codec) – Supports Surge Protection |
| LAN | – PCIE x1 Gigabit LAN 10/100/1000 Mb/s – Realtek RTL8111H – Supports Wake-On-LAN – Supports Lightning/ESD Protection – Supports Energy Efficient Ethernet 802.3az – Supports PXE |
| Wireless LAN | – Intel® 802.11ac WiFi Module – Supports IEEE 802.11a/b/g/n/ac – Supports Dual-Band (2.4/5 GHz) – Supports high speed wireless connections up to 433Mbps – Supports Bluetooth 4.2 + High speed class II |
| Slots | AMD Ryzen series CPUs (Matisse)
*Supports PCIe riser cards to extend x8/x8 slots |
| Storage | – 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug
*Supports NVMe SSD as boot disks |
| Connector | – 1 x RGB LED Header*
*Supports in total up to 12V/3A, 36W LED Strip **Supports in total up to 5V/3A, 15W LED Strip ***The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power. ****The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power. |
| Rear Panel I/O | – 2 x Antenna Ports – 1 x PS/2 Mouse/Keyboard Port – 1 x HDMI Port – 1 x DisplayPort 1.4 – 2 x USB 2.0 Ports (Supports ESD Protection) – 3 x USB 3.2 Gen1 Type-A Ports (Supports ESD Protection) – 1 x USB 3.2 Gen1 Type-C Port (Supports ESD Protection) – 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) – HD Audio Jacks: Line in / Front Speaker / Microphone |
| Software and UEFI | Software
*These utilities can be downloaded from ASRock Live Update & APP Shop. |
| Support CD | – Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar |
| Hardware Monitor | – Quick Installation Guide, Support CD, I/O Shield – 2 x SATA Data Cables – 2 x ASRock WiFi 2.4/5 GHz Antennas |
| Accessories | – Temperature Sensing: CPU, Chassis/Water Pump Fans – Fan Tachometer: CPU, Chassis/Water Pump Fans – Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, Chassis/Water Pump Fans – Fan Multi-Speed Control: CPU, Chassis/Water Pump Fans – Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore |
| Form Factor | – Mini-ITX Form Factor: 6.7-in x 6.7-in, 17.0 cm x 17.0 cm – Solid Capacitor design |
| OS | – Microsoft® Windows® 10 64-bit |
| Certifications | – FCC, CE – ErP/EuP ready (ErP/EuP ready power supply is required) |
| Warranty | 3 Years |
| Note | *** Features, Price, Specifications are subject to change without notice. |
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