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ASRock B450M/ac Motherboard No I/O
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Item Code:
Part Number:
Compatible Part Numbers:
80-MXBAY0-A1B02 80-MXBAY0-A1B01
Item Condition Description:
Please note, this motherboard does not include an I/O Shield, cables, or any other accessories!
Add-ons / Accessories
If you wish to order addon / accessories please checkoff the box next to the addon items and press the add to cart button.
Item Description

ASRock B450M/ac AMD Chipset Promontory B450 Socket AM4 DDR4 USB SATA 3 6Gb/s HDMI Micro ATX Desktop Motherboard 80-MXBEF0-A1A01.

Chipset: AMD Promontory B450
Socket: AMD AM4
Compatible/Supported CPU: Ryzen 2000, 3000, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors
Max Supported Memory: 128GB
Number of Memory Slots: 4
Memory Type: DDR4 SDRAM
Speed: 3200MHz/2933MHz/2667MHz/2400MHz/2133MHz
Storage Interface: SATA 3 6.0Gb/s
RAID Support: 0, 1, 10
Bluetooth Standard: Bluetooth 4.2
Wireless Lan Support: Intel 802.11ac WiFi Module, 802.11a/b/g/n/a Dual-Band (2.4/5 GHz)
Network/Communications: Realtek RTL8111H Gigabit LAN 10/100/1000Mb/s
Audio: Realtek ALC892 Audio Codec
Connectors: 1x Chassis Intrusion Header, 1x Power LED and Speaker Header, 1x RGB LED Header, 1x Addressable LED Header, 1x AMD Fan LED Header, 1x CPU Fan Connector (4-pin), 1x Chassis Fan Connector (3-pin), 1x Chassis/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control), 1x 24 pin ATX Power Connector, 1x 8 pin 12V Power Connector, 1x Front Panel Audio Connector, 1x AMD LED Fan USB Header, 2x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection), 1x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection)
Input/Output Ports: 2x Antenna Ports, 1x HDMI Port, 2x USB 2.0 Ports (Supports ESD Protection), 4x USB 3.2 Gen1 Ports (Supports ESD Protection), 1x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED), HD Audio Jacks: Line in / Front Speaker / Microphone
Expansion Slots: 1x PCI Express 3.0 x16 Slot (PCIE1: x16 mode), 1 x PCI Express 2.0 x16 Slot (PCIE2: x4 mode), 4x SATA3 6.0 Gb/s, 1x Ultra M.2 Socket
Form Factor: Micro ATX
Type: Desktop Motherboard
Supported Operating System: Windows 10 64-bit / 11 64-bit

Additional Specifications:

Hardware Monitor
- Temperature Sensing: CPU, Chassis, Chassis/Water Pump Fans
- Fan Tachometer: CPU, Chassis, Chassis/Water Pump Fans
- Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, Chassis, Chassis/Water Pump Fans
- Fan Multi-Speed Control: CPU, Chassis, Chassis/Water Pump Fans
- CASE OPEN detection
- Voltage monitoring: +12V, +5V, +3.3V, Vcore

- 128Mb AMI UEFI Legal BIOS with multilingual GUI support
- Supports "Plug and Play"
- ACPI 5.1 compliance wake up events
- Supports jumperfree
- SMBIOS 2.3 support
- DRAM Voltage multi-adjustment

Unique Feature
ASRock Super Alloy
- Premium 42A Power Choke
- Sapphire Black PCB
- High Density Glass Fabric PCB
- 2oz Copper PCB
Intel 802.11ac WiFi
ASRock Ultra M.2 (PCIe Gen3 x4)
ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
ASRock Live Update & APP Shop

Software and UEFI
- ASRock A-Tuning
- ASRock Polychrome SYNC
- ASRock XFast LAN
- ASRock Full HD UEFI
- ASRock Instant Flash
- ASRock Easy RAID Installer

- 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 1.4 with max. resolution up to 4K x 2K (4096x2160) @ 24Hz / (3840x2160) @ 30Hz
- Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI 1.4 Port (Compliant HDMI monitor is required)
- Supports HDCP 1.4 with HDMI 1.4 Port
- Supports 4K Ultra HD (UHD) playback with HDMI 1.4 Port

CPU Support:

Socket AM4
VendorCPU ModelGPU FrequencyL3 CacheBIOSCore NameSteppingWattage
AMD5950X (100-000000059-00)3.4GHz8MBP2.30VermeerB0105W
AMD5900X (100-000000061-00)3.7GHz6MBP2.30VermeerB0105W
AMD5800X (100-000000063-00)3.8GHz4MBP2.30VermeerB0105W
AMD5600X (100-000000065-00)3.7GHz3MBP2.30VermeerB065W
AMDPRO 5750GE(100-000000257-00)  P2.60Cezanne  
AMDPRO 5750G(100-000000254-00)  P2.60Cezanne  
AMD5700G(100-000000263-00)3.8GHz4MBP2.60Cezanne 45~65W
AMD5700GE(100-000000260-00)3.2GHz4MBP2.60Cezanne 35W
AMDPRO 5650GE(100-000000258-00)  P2.60Cezanne  
AMDPRO 5650G(100-000000255-00)  P2.60Cezanne  
AMD5600G(100-000000252-00)3.9GHz3MBP2.60Cezanne 45~65W
AMD5600GE(100-000000261-00)3.4GHz3MBP2.60Cezanne 35W
AMDPRO 5350GE(100-000000259-00)  P2.60Cezanne  
AMD5300GE(100-000000262-00)3.6GHz2MBP2.60Cezanne 35W
AMDPRO 5350G(100-000000256-00)  P2.60Cezanne  
AMD5300G(100-000000253-00)4.0GHz2MBP2.60Cezanne 45~65W
AMDPRO 4750G(100-000000145)3.6GHz4MBP2.60RenoirA165W
AMDPRO 4750GE(100-000000152)3.1GHz P2.60RenoirA135W
AMD4700GE(100-000000149)3.1GHz P2.60RenoirA135W
AMDPRO 4650G(100-000000143)3.7GHz3MBP2.60RenoirA165W
AMDPRO 4650GE(100-000000153)3.3GHz P2.60RenoirA135W
AMD4600GE(100-000000150)3.3GHz P2.60RenoirA135W
AMDPRO 4350G(100-000000148)3.8GHz2MBP2.60RenoirA165W
AMDPRO 4350GE(100-000000154)3.5GHz P2.60RenoirA135W
AMD4300GE(100-000000151)3.5GHz P2.60RenoirA135W
AMD3950X (100-000000051)3.5GHz8MBP1.20MatisseB0105W
AMDPRO 3900 (100-000000072)3.1GHz6MBP1.20MatisseB065W
AMD3900XT(100-000000277)4.1GHz P1.90Matisse 2 105W
AMD3900X (100-000000023)3.8GHz6MBP1.20MatisseB0105W
AMD3900 (100-000000070)3.1GHz6MBP1.20MatisseB065W
AMD3800XT(100-000000279)4.2GHz P1.90Matisse 2 105W
AMD3800X (100-000000025)3.9GHz4MBAllMatisseB0105W
AMDPRO 3700 (100-000000073)3.6GHz4MBP1.20MatisseB065W
AMD3700X (100-000000071)3.6GHz4MBAllMatisseB065W
AMDPRO 2700X (YD27BXBAM88AF)3.6GHz4MBAllPinnacle RidgeB295W
AMDPRO 2700 (YD270BBBM88AF)3.2GHz4MBAllPinnacle RidgeB265W
AMD2700X (YD270XBGM88AF)3.7GHz4MBAllPinnacle RidgeB2105W
AMD2700 (YD2700BBM88AF)3.2GHz4MBAllPinnacle RidgeB265W
AMD2700E (YD270EBHM88AF)2.8GHz4MBAllPinnacle RidgeB245W
AMD1800X (YD180XBCM88AE)3.6GHz4MBAllSummit RidgeB195W
AMDPRO 1700X (YD17XBBAM88AE)3.4GHz4MBAllSummit RidgeB195W
AMDPRO 1700 (YD170BBBM88AE)3.0GHz4MBAllSummit RidgeB165W
AMD1700X (YD170XBCM88AE)3.4GHz4MBAllSummit RidgeB195W
AMD1700 (YD1700BBM88AE)3.0GHz4MBAllSummit RidgeB165W
AMDPRO 3600 (100-000000029)3.6GHz3MBAllMatisseB065W
AMD3600XT(100-000000281)4.0GHz P1.90Matisse 2 95W
AMD3600X (100-000000022)3.8GHz3MBAllMatisseB095W
AMD3600 (100-000000031)3.6GHz3MBAllMatisseB065W
AMD3500X (100-000000158)3.6GHz3MBP1.20MatisseB065W
AMD3500 (100-000000050)3.6GHz3MBP1.20MatisseB065W
AMDPRO 3400G(YD340BC5M4MFI)3.7GHz2MBP2.60Picasso 45-65W
AMDPRO 3400G (YD340BC5M4MFH)3.7GHz2MBAllPicassoB165W
AMDPRO 3400GE (YD340BC6M4MFH)3.3GHz2MBAllPicassoB135W
AMD3400G(YD340GC5M4MFI)3.7GHz2MBP2.60Picasso 45~65W
AMD3400G (YD340GC5M4MFH)3.7GHz2MBP1.20PicassoB165W
AMD3400G (YD3400C5M4MFH)3.7GHz2MBAllPicassoB165W
AMD3400GE (YD3400C6M4MFH)3.3GHz2MBAllPicassoB135W
AMDPRO 2600 (YD260BBBM6IAF)3.4GHz3MBAllPinnacle RidgeB265W
AMD2600X (YD260XBCM6IAF)3.6GHz3MBAllPinnacle RidgeB295W
AMD2600 (YD2600BBM6IAF)3.4GHz3MBAllPinnacle RidgeB265W
AMD2600E (YD260EBHM6IAF)3.1GHz3MBAllPinnacle RidgeB245W
AMD2500X (YD250XBBM4KAF)3.6GHz2MBAllPinnacle RidgeB265W
AMDPRO 2400G (YD240BC5M4MFB)3.6GHz2MBAllRaven RidgeB065W
AMDPRO 2400GE (YD240BC6M4MFB)3.2GHz2MBAllRaven RidgeB035W
AMD2400G (YD2400C5M4MFB)3.6GHz2MBAllRaven RidgeB065W
AMD2400GE (YD2400C6M4MFB)3.2GHz2MBAllRaven RidgeB035W
AMDPRO 1600 (YD160BBBM6IAE)3.2GHz3MBAllSummit RidgeB165W
AMD1600X (YD160XBCM6IAE)3.6GHz3MBAllSummit RidgeB195W
AMD1600(YD1600BBM6IAF)3.2GHz3MBP1.70Pinnacle RidgeB265W
AMD1600 (YD1600BBM6IAE)3.2GHz3MBAllSummit RidgeB165W
AMDPRO 1500 (YD150BBBM4GAE)3.5GHz2MBAllSummit RidgeB165W
AMD1500X (YD150XBBM4GAE)3.5GHz2MBAllSummit RidgeB165W
AMD1400 (YD1400BBM4KAE)3.2GHz2MBAllSummit RidgeB165W
AMD3300X (100-000000159)3.8GHz2MBP2.60MatisseB065W
AMDPRO 3200G(YD320BC5M4MFI)3.6GHz2MBP2.60Picasso 45-65W
AMDPRO 3200G (YD320BC5M4MFH)3.6GHz2MBAllPicassoB165W
AMDPRO 3200GE (YD320BC6M4MFH)3.3GHz2MBAllPicassoB135W
AMD3200G(YD320GC5M4MFI)3.6GHz2MBP2.60Picasso 45~65W
AMD3200G (YD320GC5M4MFH)3.6GHz2MBP1.20PicassoB165W
AMD3200G (YD3200C5M4MFH)3.6GHz2MBAllPicassoB165W
AMD3200GE (YD3200C6M4MFH)3.3GHz2MBAllPicassoB135W
AMD3100 (100-000000284)3.6GHz2MBP2.60MatisseB065W
AMD2300X (YD230XBBM4KAF)3.5GHz2MBAllPinnacle RidgeB265W
AMDPRO 2200G (YD220BC5M4MFB)3.5GHz2MBAllRaven RidgeB065W
AMDPRO 2200GE (YD220BC6M4MFB)3.2GHz2MBAllRaven RidgeB035W
AMD2200G (YD2200C5M4MFB)3.5GHz2MBAllRaven RidgeB065W
AMD2200GE (YD2200C6M4MFB)3.2GHz2MBAllRaven RidgeB035W
AMDPRO 1300 (YD130BBBM4KAE)3.4GHz2MBAllSummit RidgeB165W
AMD1300X (YD130XBBM4KAE)3.4GHz2MBAllSummit RidgeB165W
AMDPRO 1200 (YD120BBBM4KAE)3.1GHz2MBAllSummit RidgeB165W
AMD1200 (YD1200BBM4KAE)3.1GHz2MBAllSummit RidgeB165W
AMD1200 (YD1200BBM4KAF)3.1GHz2MBP1.70Pinnacle RidgeB265W
AMD320GE (YD32GEC6M2OFH)3.5GHz1MBAllPicassoB135W
AMDPRO 300GE (YD300BC6M2OFH)3.4GHz1MBAllPicassoB135W
AMD3000G (YD3000C6M2OFH)3.5GHz1MBP1.20PicassoB135W
AMD300GE (YD30GEC6M2OFH)3.4GHz1MBAllPicassoB135W
AMD3000G(YD3000C6M2OFB)3.5GHz1MBP2.30Raven RidgeB035W
AMDAthlon 240GE (YD240GC6M2OFB)3.5GHz1MBAllRaven RidgeB035W
AMDAthlon 220GE (YD220GC6M2OFB)3.4GHz1MBAllRaven RidgeB035W
AMDAthlon PRO 200GE (YD200BC6M2OFB)3.2GHz1MBAllRaven RidgeB035W
AMDAthlon 200GE (YD200GC6M2OFB)3.2GHz1MBAllRaven RidgeB035W
AMDAthlon 200GE(YD20GGC6M2OFB)3.2GHz1MBAllRaven RidgeB035W
AMD5700X(100-000000926)3.4GHz4MBP2.70Vermeer 65W
AMD5600(100-000000927)3.5GHz3MBP2.70Vermeer 65W


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