(800)474-4278

ASRock Motherboard B450 PRO4 AMD Ryzen B450 AM4 Max.64GB DDR4 M.2 PCI Express ATX

B450M/AC
ASRock Motherboard B450 PRO4 AMD Ryzen B450 AM4 Max.64GB DDR4 M.2 PCI Express ATX
B450M/AC
ASRock Motherboard B450 PRO4 AMD Ryzen B450 AM4 Max.64GB DDR4 M.2 PCI Express ATX
B450M/AC
ASRock Motherboard B450 PRO4 AMD Ryzen B450 AM4 Max.64GB DDR4 M.2 PCI Express ATX
B450M/AC
ASRock Motherboard B450 PRO4 AMD Ryzen B450 AM4 Max.64GB DDR4 M.2 PCI Express ATX
B450M/AC
ASRock Motherboard B450 PRO4 AMD Ryzen B450 AM4 Max.64GB DDR4 M.2 PCI Express ATX
B450M/AC
ASRock Motherboard B450 PRO4 AMD Ryzen B450 AM4 Max.64GB DDR4 M.2 PCI Express ATX
(Click to see larger image and other views)
Product Details
 
Detail Specifications
Unique Feature
ASRock USB 3.1 Gen2
- ASRock USB 3.1 Gen2 Type-A Port (10 Gb/s)
- ASRock USB 3.1 Gen2 Type-C Port (10 Gb/s)

ASRock Super Alloy
- Premium Power Choke
- Sapphire Black PCB
- High Density Glass Fabric PCB
- 2oz Copper PCB

ASRock Ultra M.2 (PCIe Gen3 x4)
ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
ASRock Live Update and APP Shop

CPU
- AMD AM4 Socket
- Digi Power design
- 9 Power Phase design
- Supports 105W Water Cooling (Pinnacle Ridge) Supports 95W Water Cooling (Summit Ridge) Supports 65W Water Cooling (Raven Ridge)

Chipset
- AMD Promontory B450

Memory
- Dual Channel DDR4 Memory Technology
- 4 x DDR4 DIMM Slots
- AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3200+(OC) / 2933/2667/2400/2133 ECC and non-ECC, un-buffered memory
- AMD Ryzen series CPUs (Summit Ridge) support DDR4 3200+(OC) / 2933(OC) / 2667/2400/2133 ECC and non-ECC, un-buffered memory
- AMD Ryzen series CPUs (Raven Ridge) support DDR4 3200+(OC) / 2933(OC) / 2667/2400/2133 non-ECC, un-buffered memory
- Max. capacity of system memory: 64GB
- 15miu Gold Contact in DIMM Slots

-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
- 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

Graphics
- Integrated AMD RadeonTM Vega Series Graphics in Ryzen Series APU
- DirectX 12, Pixel Shader 5.0
- Max. shared memory 2GB
- Three graphics output options: D-Sub, HDMI and DisplayPort 1.2
- Supports Triple Monitor
- Supports HDMI with max. resolution up to 4K x 2K (4096x2160) at 24Hz / (3840x2160) at 30Hz
- Supports DisplayPort 1.2 with max. resolution up to 4K x 2K (4096x2160) at 60Hz
- Supports D-Sub with max. resolution up to 1920x1200 at 60Hz
- Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI Port (Compliant HDMI monitor is required)
- Supports HDCP with HDMI and DisplayPort 1.2 Ports
- Supports 4K Ultra HD (UHD) playback with HDMI and DisplayPort 1.2 Ports

Actual support may vary by CPU

Audio
- 7.1 CH HD Audio with Content Protection (Realtek ALC892 Audio Codec)
- Premium Blu-ray Audio support
- Supports Surge Protection
- ELNA Audio Caps

To configure 7.1 CH HD Audio, it is required to use an HD front panel audio module and enable the multi-channel audio feature through the audio driver.

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

Slots
AMD Ryzen series CPUs (Summit Ridge and Pinnacle Ridge)
- 2 x PCI Express 3.0 x16 Slots (PCIE2: x16 mode PCIE4: x4 mode)

AMD Ryzen series CPUs (Raven Ridge)
- 2 x PCI Express 3.0 x16 Slots (PCIE2: x8 mode PCIE4: x4 mode)
- 4 x PCI Express 2.0 x1 Slots
- Supports AMD Quad CrossFireXTM and CrossFireXTM

Supports NVMe SSD as boot disks
If M2_1 is occupied, PCIE4 will be disabled.
This feature is only supported with Ryzen Series CPUs (Summit Ridge, Pinnacle Ridge and Raven Ridge).

Storage
- 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug
- 2 x SATA3 6.0 Gb/s Connectors by ASMedia ASM1061, support NCQ, AHCI and Hot Plug
- 1 x Ultra M.2 Socket (M2_1), supports M Key type 2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32 Gb/s) (with Summit Ridge, Raven Ridge and Pinnacle Ridge)
- 1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280/22110 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb/s)

M2_2, SATA3_3 and SATA3_4 share lanes. If either one of them is in use, the others will be disabled.
If M2_1 is occupied, PCIE4 will be disabled.
Supports NVMe SSD as boot disks
Supports ASRock U.2 Kit

Connector
- 1 x COM Port Header
- 1 x TPM Header
- 1 x Power LED and Speaker Header
- 1 x RGB LED Header
- 1 x Addressable LED Header
- 1 x AMD Fan LED Header
- 1 x CPU Fan Connector (4-pin)
- 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)
- 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)
- 1 x USB 3.1 Gen1 Header (Supports 2 USB 3.1 Gen1 ports) (Supports ESD Protection)

Supports in total up to 12V/3A, 36W LED Strip
Supports in total up to 5V/3A, 15W LED Strip
The AMD Fan LED Header supports LED strips of maximum load of 3A (36W) and length up to 2.5M.
The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
The CPU/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.
The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.
CPU_FAN2/WP, CHA_FAN1/WP, CHA_FAN2/WP and CHA_FAN3/WP can auto detect if 3-pin or 4-pin fan is in use.

Rear Panel I/O
- 1 x PS/2 Mouse/Keyboard Port
- 1 x D-Sub Port
- 1 x HDMI Port
- 1 x DisplayPort 1.2
- 2 x USB 2.0 Ports (Supports ESD Protection)
- 1 x USB 3.1 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection)
- 1 x USB 3.1 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection)
- 4 x USB 3.1 Gen1 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 A-Tuning
- ASRock Polychrome RGB
- ASRock XFast LAN

UEFI
- ASRock Full HD UEFI
- ASRock Instant Flash
- ASRock Easy RAID Installer

These utilities can be downloaded from ASRock Live Update and 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 Screws for M.2 Sockets

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

Form Factor
- ATX Form Factor: 12.0-in x 8.8-in, 30.5 cm x 22.4 cm
- Solid Capacitor design

OS
- Microsoft Windows 10 64-bit

Certifications
- FCC, CE
- ErP/EuP ready (ErP/EuP ready power supply is required)

Item Dimension (L inchxW inchxH inch)
14 x 11 x 3

Weight
4.00lb

Warranty Information
1 Year


SKU: MBAM4-B450 PRO4
Weight: 4 lbs
Brand: ASRock
-AMD AM4 Socket - -Supports DDR4 3200+ (OC) -2 PCIe 3.0 x16, 4 PCIe 2.0 x1 -AMD Quad CrossFireX™ -Graphics Output: HDMI, Display Port, D-Sub
Interfaces/Ports: HDMI, DisplayPort, & VGA
Chipset: B450
CPU Type: AM4
# of Memory Slots: 4
Brand: ASRock
Memory Technology: DDR4 Support
Form Factor: ATX
List Price: $119.99
Price: $99.99
You Save: $20.00 (17%)
Sold out
Product Reviews
Rate this product: Like it  Like it Don't like it  Don't like it