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Asrock B550M/AC AM4 mATX Motherboard

Asrock B550M/AC AM4 mATX Motherboard
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Specifications

  • Product Name:
    Asrock B550M/AC AM4 mATX Motherboard
  • Model Number:
    B550M/AC
  • Brand:
  • Manufacturer Warranty:
    3 Year

Description

AMD-AM4-Asrock-B550M-AC-AM4-mATX-Motherboard-2






SPECIFICATIONS:

Unique Feature

ASRock USB 3.2 Gen2    

- ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s)     

- ASRock USB 3.2 Gen2 Type-C Port (10 Gb/s)      

ASRock Super Alloy         

- XXL Aluminum Alloy Heatsink  

- Premium 50A Power Choke      

- Sapphire Black PCB      

- High Density Glass Fabric PCB  

- 2oz Copper PCB             

IntelÂŽ 802.11ac WiFi      

ASRock Steel Slot Gen4 

ASRock Hyper M.2 (PCIe Gen4x4)             

ASRock POST Status Checker (PSC)           

ASRock Full Spike Protection (for all USB, Audio, LAN Ports)           

ASRock Live Update & APP Shop

CPU

- Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors*    

- Digi Power design         

- 8 Power Phase design 

               

*Please refer to CPU support list for details.         

Chipset

AMD B550         

Memory

- Dual Channel DDR4 Memory Technology

- 4 x DDR4 DIMM Slots  

- AMD Ryzen series CPUs (Vermeer) 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 & non-ECC, un-buffered memory*         

- 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 & non-ECC, un-buffered memory*         

- AMD Ryzen series APUs (Cezanne) 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*             

- 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: 128GB**      

- Supports Extreme Memory Profile (XMP) memory modules       

- 15Îź Gold Contact in DIMM Slots             

               

*For Ryzen Series APUs (Cezanne and Renoir), ECC is only supported with PRO CPUs.    
Please refer to below table for AMD non-XMP memory frequency support. For more details.
AMD-AM4-Asrock-B550M-AC-AM4-mATX-Motherboard-3    

               

**Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under WindowsÂŽ 32-bit OS. For WindowsÂŽ 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 Voltage Multi-adjustment           

Graphics

- 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.**        

- Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) @ 60Hz       

- 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 Port

- Supports 4K Ultra HD (UHD) playback with HDMI 2.1 Port           

- Supports MicrosoftÂŽ PlayReady              

               

*Actual support may vary by CPU             

               

**The Max shared memory 16GB requires 32GB system memory installed.            

Audio

- 7.1 CH HD Audio with Content Protection (Realtek ALC1220/ALC1200 Audio Codec)

- Premium Blu-ray Audio support             

- Supports Surge Protection        

- PCB Isolate Shielding   

- Nahimic Audio

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

- IntelÂŽ 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 (Vermeer and Matisse)  

- 2 x PCI Express x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)*             

AMD Ryzen series APUs (Cezanne and Renoir)    

- 2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)*             

               

- 1 x PCI Express 3.0 x1 Slot         

- Supports AMD Quad CrossFireX™ and CrossFireX™        

- 1 x M.2 Socket (Key E) with the bundled WiFi-802.11ac PCIe WiFi module            

               

*Supports NVMe SSD as boot disks          

Storage

- 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug       

- 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 Vermeer, Matisse) or Gen3x4 (32   Gb/s) (with Cezanne and Renoir)*             

               

*Supports NVMe SSD as boot disks          

Connector

- 1 x COM Port Header   

- 1 x SPI TPM Header      

- 1 x Power LED and Speaker Header        

- 2 x RGB LED Headers* 

- 2 x Addressable LED Headers**               

- 1 x CPU Fan Connector (4-pin)***         

- 3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)****

- 1 x 24 pin ATX Power Connector             

- 1 x 8 pin 12V Power Connector

- 1 x Front Panel Audio Connector            

- 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)            

- 2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports) (Supports ESD Protection)     

               

*Support in total up to 12V/3A, 36W LED Strip   

               

**Support 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, CHA_FAN2/WP and CHA_FAN4/WP can auto detect if 3-pin or 4-pin fan is in use.

Rear Panel I/O

- 2 x Antenna Ports         

- 1 x PS/2 Mouse/Keyboard Port

- 1 x HDMI Port 

- 4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection)

- 2 x USB 2.0 Ports (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             

- 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 

Accessories

- Quick Installation Guide, Support CD, I/O Shield               

- 2 x SATA Data Cables    

- 2 x ASRock WiFi 2.4/5 GHz Antennas    

- 1 x Screw for M.2 Socket            

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, CPU VDDCR_SOC, DRAM, VPPM, +1.8V            

Form Factor

- Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm           

- Solid Capacitor design 

- 2oz Copper PCB             

OS

- MicrosoftÂŽ WindowsÂŽ 10 64-bit / 11 64-bit       

Certifications     

- FCC, CE              

- ErP/EuP ready (ErP/EuP ready power supply is required)              

 


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