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ASRock B550M-ITX/AC AM4 AMD B550 Mini ITX AMD Motherboard
OPEN BOX Product Type
- BIOS update might require for AMD Zen 3 Ryzen 5000 series CPU
- AMD B550
- Supports 3rd Gen AMD AM4 Ryzen / future AMD Ryzen Processors
- 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 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
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Specs
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Learn more about the ASRock B550M-ITX/AC
| Brand | ASRock |
|---|---|
| Model | B550M-ITX/AC |
| CPU Socket Type | AM4 |
|---|---|
| CPU Type | Supports 3rd Gen AMD AM4 Ryzen / future AMD Ryzen Processors * * Not compatible with AMD Ryzen 5 3400G and Ryzen 3 3200G. * BIOS update might require for AMD Zen 3 Ryzen 5000 series CPU. Refer to ASRock website for CPU support list. |
| Chipset | AMD B550 |
|---|
| Number of Memory Slots | 2x288pin (DDR4) |
|---|---|
| Memory Standard | 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 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* * For Ryzen Series CPUs (Picasso and Raven Ridge), ECC is only supported with PRO CPUs. |
| Maximum Memory Supported | 64GB ** 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. |
| Channel Supported | Dual Channel |
| PCI Express 4.0 x16 | AMD Ryzen series CPUs (Matisse) - 1 x PCI Express 4.0 x16 Slot (PCIE1: x16 mode)* AMD Ryzen series APUs (Renoir) - 1 x PCI Express 3.0 x16 Slot (PCIE1: x16 mode)* * Supports PCIe riser cards to extend x8/x8 slots * Supports NVMe SSD as boot disks |
|---|---|
| Other Slots | 1 x Vertical M.2 Socket (Key E) with the bundled WiFi-802.11ac module (on the rear I/O) |
| Serial ATA (SATA) | 4 x SATA3 6.0 Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug |
|---|---|
| M.2 | 1 x Hyper M.2 Socket (M2_1), supports M Key type 2280 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen4x4 (64Gb/s) (with Matisse) or Gen3x4 (32Gb/s) (with Renoir)* * Supports NVMe SSD as boot disks * Supports ASRock U.2 Kit |
| SATA RAID | 0/1/10 |
| Onboard Video Chipset | Integrated AMD Radeon Vega Series Graphics in Ryzen Series APU* DirectX 12, Pixel Shader 5.0 Shared memory default 2GB. Max Shared memory supports up to 16GB.** Dual graphics output: support HDMI and DisplayPort 1.4 ports by independent display controllers Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) @ 60Hz Supports DisplayPort 1.4 Input with max. resolution up to 5K (5120x2880)@120Hz Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI 2.1 Port (Compliant HDMI monitor is required) Supports HDR (High Dynamic Range) with HDMI 2.1 Supports HDCP 2.3 with HDMI 2.1 and DisplayPort 1.4 Ports Supports 4K Ultra HD (UHD) playback with HDMI 2.1 and DisplayPort 1.4 Ports Supports Microsoft PlayReady * Actual support may vary by CPU ** The Max shared memory 16GB requires 32GB system memory installed |
|---|
| Audio Chipset | Realtek ALC887 |
|---|---|
| Audio Channels | 7.1 Channels |
| LAN Chipset | Realtek RTL8111H |
|---|---|
| Max LAN Speed | 1Gbps |
| 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 |
| Bluetooth | Supports Bluetooth 4.2+ High speed class II |
| Back I/O Ports | 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 |
|---|
| Onboard USB | 1 x USB 2.0 Header (Supports 2 USB 2.0 ports) (Supports ESD Protection) 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection) |
|---|---|
| Other Connectors | 1 x RGB LED Header* 1 x Addressable LED Header** 1 x CPU Fan Connector (4-pin)*** 2 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)**** 1 x Front Panel Audio Connector * 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. **** CHA_FAN1/WP and CHA_FAN2/WP can auto detect if 3-pin or 4-pin fan is in use. |
| Form Factor | Mini ITX |
|---|---|
| LED Lighting | RGB |
| Dimensions (W x L) | 6.7" x 6.7" |
| Power Pin | 1 x 24-pin ATX Power Connector 1 x 8-pin 12V Power Connector |
| Windows 11 | Supported |
|---|
| Features | 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 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 Software and UEFI: Software - ASRock Motherboard Utility (A-Tuning) - ASRock Polychrome SYNC - ASRock XFast LAN UEFI - ASRock Full HD UEFI - ASRock Instant Flash * 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: - 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 OS: - Microsoft Windows 10 64-bit Certifications: - FCC, CE - ErP/EuP ready (ErP/EuP ready power supply is required) |
|---|
| First Listed on Newegg | February 03, 2021 |
|---|
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Warranty, Returns, And Additional Information
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Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-909-590-8308
- Support Email: support@asrockamerica.com
- Support Website
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