ASRock B450M Pro4

B450M Pro4

• AMD AM4 Socket
• Supports DDR4 3200+ (OC)
• 1 PCIe 3.0 x16, 1 PCIe 2.0 x16, 1 PCIe 2.0 x1
• AMD Quad CrossFireX™
• Graphics Output:HDMI, DVI-D, D-Sub
• 7.1 CH HD Audio (Realtek ALC892 Audio Codec), ELNA Audio Caps
• 4 SATA3, 1 Ultra M.2 (PCIe Gen3 x4), 1 M.2 (SATA3)
• 2 USB 3.1 Gen2 (Rear Type-A+C)
• 6 USB 3.1 Gen1 (2 Front, 4 Rear)
• Realtek Gigabit LAN

TECHNICAL 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 42A 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 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 non-ECC, un-buffered memory*
• AMD Ryzen series CPUs (Summit Ridge) support DDR4 3200+(OC) / 2933(OC) / 2667/2400/2133 ECC 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**
• 15µ Gold Contact in DIMM Slots

More info in specification

Graphics

• Integrated AMD Radeon™ Vega Series Graphics in Ryzen Series APU*
• DirectX 12, Pixel Shader 5.0
• Max. shared memory 2GB
• Three graphics output options: D-Sub, DVI-D and HDMI
• Supports Triple Monitor
• Supports HDMI with max. resolution up to 4K x 2K (4096x2160) @ 24Hz / (3840x2160) @ 30Hz
• Supports DVI-D with max. resolution up to 1920x1200 @ 60Hz
• Supports D-Sub with max. resolution up to 1920x1200 @ 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 DVI-D and HDMI Ports
• Supports 4K Ultra HD (UHD) playback with HDMI Port

*Actual support may vary by CPU

Slots

AMD Ryzen series CPUs (Summit Ridge and Pinnacle Ridge)

• 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)*
• 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)

AMD Ryzen series CPUs (Raven Ridge)

• 1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode)*
• 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
• 1 x PCI Express 2.0 x1 Slot
• Supports AMD Quad CrossFireX™ and CrossFireX™

*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 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 M.2 SATA3 6.0 Gb/s module

• M2_2 and SATA3_3 share lanes. If either one of them is in use, the other one will be disabled.
• *Supports NVMe SSD as boot disks

Supports ASRock U.2 Kit

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

Connector

• 1 x COM Port Header
• 1 x TPM Header
• 1 x Chassis Intrusion 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.

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.

Rear panel I/O

• 1 x PS/2 Mouse/Keyboard Port
• 1 x D-Sub Port
• 1 x DVI-D Port
• 1 x HDMI Port
• 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 APP Shop.

Support CD - Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar

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

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, CPU/Water Pump, Chassis/Water Pump Fans
• 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
• CASE OPEN detection
• Voltage monitoring: +12V, +5V, +3.3V, Vcore

Operating System - Microsoft Windows 10 64-bit

Form Factor

• Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm
• Solid Capacitor design

Certifications

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