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
BIOS
- 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
Software
- ASRock A-Tuning
- ASRock Polychrome SYNC
- ASRock XFast LAN
UEFI
- ASRock Full HD UEFI
- ASRock Instant Flash
- ASRock Easy RAID Installer
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 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 |
|---|
| Vendor | CPU Model | GPU Frequency | L3 Cache | BIOS | Core Name | Stepping | Wattage |
| AMD | 5950X (100-000000059-00) | 3.4GHz | 8MB | P2.30 | Vermeer | B0 | 105W |
| AMD | 5900X (100-000000061-00) | 3.7GHz | 6MB | P2.30 | Vermeer | B0 | 105W |
| AMD | 5800X (100-000000063-00) | 3.8GHz | 4MB | P2.30 | Vermeer | B0 | 105W |
| AMD | 5600X (100-000000065-00) | 3.7GHz | 3MB | P2.30 | Vermeer | B0 | 65W |
| AMD | PRO 5750GE(100-000000257-00) | | | P2.60 | Cezanne | | |
| AMD | PRO 5750G(100-000000254-00) | | | P2.60 | Cezanne | | |
| AMD | 5700G(100-000000263-00) | 3.8GHz | 4MB | P2.60 | Cezanne | | 45~65W |
| AMD | 5700GE(100-000000260-00) | 3.2GHz | 4MB | P2.60 | Cezanne | | 35W |
| AMD | PRO 5650GE(100-000000258-00) | | | P2.60 | Cezanne | | |
| AMD | PRO 5650G(100-000000255-00) | | | P2.60 | Cezanne | | |
| AMD | 5600G(100-000000252-00) | 3.9GHz | 3MB | P2.60 | Cezanne | | 45~65W |
| AMD | 5600GE(100-000000261-00) | 3.4GHz | 3MB | P2.60 | Cezanne | | 35W |
| AMD | PRO 5350GE(100-000000259-00) | | | P2.60 | Cezanne | | |
| AMD | 5300GE(100-000000262-00) | 3.6GHz | 2MB | P2.60 | Cezanne | | 35W |
| AMD | PRO 5350G(100-000000256-00) | | | P2.60 | Cezanne | | |
| AMD | 5300G(100-000000253-00) | 4.0GHz | 2MB | P2.60 | Cezanne | | 45~65W |
| AMD | PRO 4750G(100-000000145) | 3.6GHz | 4MB | P2.60 | Renoir | A1 | 65W |
| AMD | PRO 4750GE(100-000000152) | 3.1GHz | | P2.60 | Renoir | A1 | 35W |
| AMD | 4700G(100-000000146) | 3.6GHz | 4MB | P2.60 | Renoir | A1 | 65W |
| AMD | 4700GE(100-000000149) | 3.1GHz | | P2.60 | Renoir | A1 | 35W |
| AMD | PRO 4650G(100-000000143) | 3.7GHz | 3MB | P2.60 | Renoir | A1 | 65W |
| AMD | PRO 4650GE(100-000000153) | 3.3GHz | | P2.60 | Renoir | A1 | 35W |
| AMD | 4600G(100-000000147) | 3.7GHz | 3MB | P2.60 | Renoir | A1 | 65W |
| AMD | 4600GE(100-000000150) | 3.3GHz | | P2.60 | Renoir | A1 | 35W |
| AMD | PRO 4350G(100-000000148) | 3.8GHz | 2MB | P2.60 | Renoir | A1 | 65W |
| AMD | PRO 4350GE(100-000000154) | 3.5GHz | | P2.60 | Renoir | A1 | 35W |
| AMD | 4300G(100-000000144) | 3.8GHz | 2MB | P2.60 | Renoir | A1 | 65W |
| AMD | 4300GE(100-000000151) | 3.5GHz | | P2.60 | Renoir | A1 | 35W |
| AMD | 3950X (100-000000051) | 3.5GHz | 8MB | P1.20 | Matisse | B0 | 105W |
| AMD | PRO 3900 (100-000000072) | 3.1GHz | 6MB | P1.20 | Matisse | B0 | 65W |
| AMD | 3900XT(100-000000277) | 4.1GHz | | P1.90 | Matisse 2 | | 105W |
| AMD | 3900X (100-000000023) | 3.8GHz | 6MB | P1.20 | Matisse | B0 | 105W |
| AMD | 3900 (100-000000070) | 3.1GHz | 6MB | P1.20 | Matisse | B0 | 65W |
| AMD | 3800XT(100-000000279) | 4.2GHz | | P1.90 | Matisse 2 | | 105W |
| AMD | 3800X (100-000000025) | 3.9GHz | 4MB | All | Matisse | B0 | 105W |
| AMD | PRO 3700 (100-000000073) | 3.6GHz | 4MB | P1.20 | Matisse | B0 | 65W |
| AMD | 3700X (100-000000071) | 3.6GHz | 4MB | All | Matisse | B0 | 65W |
| AMD | PRO 2700X (YD27BXBAM88AF) | 3.6GHz | 4MB | All | Pinnacle Ridge | B2 | 95W |
| AMD | PRO 2700 (YD270BBBM88AF) | 3.2GHz | 4MB | All | Pinnacle Ridge | B2 | 65W |
| AMD | 2700X (YD270XBGM88AF) | 3.7GHz | 4MB | All | Pinnacle Ridge | B2 | 105W |
| AMD | 2700 (YD2700BBM88AF) | 3.2GHz | 4MB | All | Pinnacle Ridge | B2 | 65W |
| AMD | 2700E (YD270EBHM88AF) | 2.8GHz | 4MB | All | Pinnacle Ridge | B2 | 45W |
| AMD | 1800X (YD180XBCM88AE) | 3.6GHz | 4MB | All | Summit Ridge | B1 | 95W |
| AMD | PRO 1700X (YD17XBBAM88AE) | 3.4GHz | 4MB | All | Summit Ridge | B1 | 95W |
| AMD | PRO 1700 (YD170BBBM88AE) | 3.0GHz | 4MB | All | Summit Ridge | B1 | 65W |
| AMD | 1700X (YD170XBCM88AE) | 3.4GHz | 4MB | All | Summit Ridge | B1 | 95W |
| AMD | 1700 (YD1700BBM88AE) | 3.0GHz | 4MB | All | Summit Ridge | B1 | 65W |
| AMD | PRO 3600 (100-000000029) | 3.6GHz | 3MB | All | Matisse | B0 | 65W |
| AMD | 3600XT(100-000000281) | 4.0GHz | | P1.90 | Matisse 2 | | 95W |
| AMD | 3600X (100-000000022) | 3.8GHz | 3MB | All | Matisse | B0 | 95W |
| AMD | 3600 (100-000000031) | 3.6GHz | 3MB | All | Matisse | B0 | 65W |
| AMD | 3500X (100-000000158) | 3.6GHz | 3MB | P1.20 | Matisse | B0 | 65W |
| AMD | 3500 (100-000000050) | 3.6GHz | 3MB | P1.20 | Matisse | B0 | 65W |
| AMD | PRO 3400G(YD340BC5M4MFI) | 3.7GHz | 2MB | P2.60 | Picasso | | 45-65W |
| AMD | PRO 3400G (YD340BC5M4MFH) | 3.7GHz | 2MB | All | Picasso | B1 | 65W |
| AMD | PRO 3400GE (YD340BC6M4MFH) | 3.3GHz | 2MB | All | Picasso | B1 | 35W |
| AMD | 3400G(YD340GC5M4MFI) | 3.7GHz | 2MB | P2.60 | Picasso | | 45~65W |
| AMD | 3400G (YD340GC5M4MFH) | 3.7GHz | 2MB | P1.20 | Picasso | B1 | 65W |
| AMD | 3400G (YD3400C5M4MFH) | 3.7GHz | 2MB | All | Picasso | B1 | 65W |
| AMD | 3400GE (YD3400C6M4MFH) | 3.3GHz | 2MB | All | Picasso | B1 | 35W |
| AMD | 3350G(YD3350C5M4MFH) | 3.6GHz | 2MB | P2.30 | Picasso | B1 | 65W |
| AMD | PRO 2600 (YD260BBBM6IAF) | 3.4GHz | 3MB | All | Pinnacle Ridge | B2 | 65W |
| AMD | 2600X (YD260XBCM6IAF) | 3.6GHz | 3MB | All | Pinnacle Ridge | B2 | 95W |
| AMD | 2600 (YD2600BBM6IAF) | 3.4GHz | 3MB | All | Pinnacle Ridge | B2 | 65W |
| AMD | 2600E (YD260EBHM6IAF) | 3.1GHz | 3MB | All | Pinnacle Ridge | B2 | 45W |
| AMD | 2500X (YD250XBBM4KAF) | 3.6GHz | 2MB | All | Pinnacle Ridge | B2 | 65W |
| AMD | PRO 2400G (YD240BC5M4MFB) | 3.6GHz | 2MB | All | Raven Ridge | B0 | 65W |
| AMD | PRO 2400GE (YD240BC6M4MFB) | 3.2GHz | 2MB | All | Raven Ridge | B0 | 35W |
| AMD | 2400G (YD2400C5M4MFB) | 3.6GHz | 2MB | All | Raven Ridge | B0 | 65W |
| AMD | 2400GE (YD2400C6M4MFB) | 3.2GHz | 2MB | All | Raven Ridge | B0 | 35W |
| AMD | PRO 1600 (YD160BBBM6IAE) | 3.2GHz | 3MB | All | Summit Ridge | B1 | 65W |
| AMD | 1600X (YD160XBCM6IAE) | 3.6GHz | 3MB | All | Summit Ridge | B1 | 95W |
| AMD | 1600(YD1600BBM6IAF) | 3.2GHz | 3MB | P1.70 | Pinnacle Ridge | B2 | 65W |
| AMD | 1600 (YD1600BBM6IAE) | 3.2GHz | 3MB | All | Summit Ridge | B1 | 65W |
| AMD | PRO 1500 (YD150BBBM4GAE) | 3.5GHz | 2MB | All | Summit Ridge | B1 | 65W |
| AMD | 1500X (YD150XBBM4GAE) | 3.5GHz | 2MB | All | Summit Ridge | B1 | 65W |
| AMD | 1400 (YD1400BBM4KAE) | 3.2GHz | 2MB | All | Summit Ridge | B1 | 65W |
| AMD | 3300X (100-000000159) | 3.8GHz | 2MB | P2.60 | Matisse | B0 | 65W |
| AMD | PRO 3200G(YD320BC5M4MFI) | 3.6GHz | 2MB | P2.60 | Picasso | | 45-65W |
| AMD | PRO 3200G (YD320BC5M4MFH) | 3.6GHz | 2MB | All | Picasso | B1 | 65W |
| AMD | PRO 3200GE (YD320BC6M4MFH) | 3.3GHz | 2MB | All | Picasso | B1 | 35W |
| AMD | 3200G(YD320GC5M4MFI) | 3.6GHz | 2MB | P2.60 | Picasso | | 45~65W |
| AMD | 3200G (YD320GC5M4MFH) | 3.6GHz | 2MB | P1.20 | Picasso | B1 | 65W |
| AMD | 3200G (YD3200C5M4MFH) | 3.6GHz | 2MB | All | Picasso | B1 | 65W |
| AMD | 3200GE (YD3200C6M4MFH) | 3.3GHz | 2MB | All | Picasso | B1 | 35W |
| AMD | 3100 (100-000000284) | 3.6GHz | 2MB | P2.60 | Matisse | B0 | 65W |
| AMD | 2300X (YD230XBBM4KAF) | 3.5GHz | 2MB | All | Pinnacle Ridge | B2 | 65W |
| AMD | PRO 2200G (YD220BC5M4MFB) | 3.5GHz | 2MB | All | Raven Ridge | B0 | 65W |
| AMD | PRO 2200GE (YD220BC6M4MFB) | 3.2GHz | 2MB | All | Raven Ridge | B0 | 35W |
| AMD | 2200G (YD2200C5M4MFB) | 3.5GHz | 2MB | All | Raven Ridge | B0 | 65W |
| AMD | 2200GE (YD2200C6M4MFB) | 3.2GHz | 2MB | All | Raven Ridge | B0 | 35W |
| AMD | PRO 1300 (YD130BBBM4KAE) | 3.4GHz | 2MB | All | Summit Ridge | B1 | 65W |
| AMD | 1300X (YD130XBBM4KAE) | 3.4GHz | 2MB | All | Summit Ridge | B1 | 65W |
| AMD | PRO 1200 (YD120BBBM4KAE) | 3.1GHz | 2MB | All | Summit Ridge | B1 | 65W |
| AMD | 1200 (YD1200BBM4KAE) | 3.1GHz | 2MB | All | Summit Ridge | B1 | 65W |
| AMD | 1200 (YD1200BBM4KAF) | 3.1GHz | 2MB | P1.70 | Pinnacle Ridge | B2 | 65W |
| AMD | 320GE (YD32GEC6M2OFH) | 3.5GHz | 1MB | All | Picasso | B1 | 35W |
| AMD | PRO 300GE (YD300BC6M2OFH) | 3.4GHz | 1MB | All | Picasso | B1 | 35W |
| AMD | 3000G (YD3000C6M2OFH) | 3.5GHz | 1MB | P1.20 | Picasso | B1 | 35W |
| AMD | 300GE (YD30GEC6M2OFH) | 3.4GHz | 1MB | All | Picasso | B1 | 35W |
| AMD | 3000G(YD3000C6M2OFB) | 3.5GHz | 1MB | P2.30 | Raven Ridge | B0 | 35W |
| AMD | Athlon 240GE (YD240GC6M2OFB) | 3.5GHz | 1MB | All | Raven Ridge | B0 | 35W |
| AMD | Athlon 220GE (YD220GC6M2OFB) | 3.4GHz | 1MB | All | Raven Ridge | B0 | 35W |
| AMD | Athlon PRO 200GE (YD200BC6M2OFB) | 3.2GHz | 1MB | All | Raven Ridge | B0 | 35W |
| AMD | Athlon 200GE (YD200GC6M2OFB) | 3.2GHz | 1MB | All | Raven Ridge | B0 | 35W |
| AMD | Athlon 200GE(YD20GGC6M2OFB) | 3.2GHz | 1MB | All | Raven Ridge | B0 | 35W |
| AMD | 5800X(100-000000063) | 3.8GHz | 4MB | P2.30 | Vermeer | B2 | 105W |
| AMD | 5900X(100-000000061) | 3.7GHz | 6MB | P2.30 | Vermeer | B2 | 105W |
| AMD | 5800(100-000000456) | 3.4GHz | 4MB | P2.30 | Vermeer | B2 | 65W |
| AMD | 5600X(100-000000065) | 3.7GHz | 3MB | P2.30 | Vermeer | B2 | 65W |
| AMD | 5950X(100-000000059) | 3.4GHz | 8MB | P2.30 | Vermeer | B2 | 105W |
| AMD | 5900(100-000000062) | 3.0GHz | 6MB | P2.30 | Vermeer | B2 | 65W |
| AMD | 5700X(100-000000926) | 3.4GHz | 4MB | P2.70 | Vermeer | | 65W |
| AMD | 5600(100-000000927) | 3.5GHz | 3MB | P2.70 | Vermeer | | 65W |