ASRock MB B450M PRO4-F R2.0 B450 AMD AM4 Max.128GB DDR4 Micro ATX Retail

• Supports AMD AM4 Socket Ryzen™ 2000, 3000, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors

• 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 ALC892/897 Audio Codec)

• 4 SATA3, 1 Ultra M.2 (PCIe Gen3 x4)*, 1 M.2 (SATA3)

• 7 USB 3.2 Gen1 (2 Front, 4 Rear, 1 Rear Type-C)

• Realtek Gigabit LAN

• ASRock Polychrome SYNC

*Actual support may vary by CPU.


10 POWER PHASE DESIGN

Featuring sturdy components and completely smooth power delivery to the CPU. Plus, it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well.


Dual M.2 For SSD

Equipped with M.2 slot that supports both SATA3 6Gb/s and PCIe Gen3 x4 Ultra M.2 interface that pushes data transfer speeds up to 32Gb/s, and is compatible with ASRock’s U.2 Kit for installing some of the world’s fastest U.2 PCIe Gen3 x4 SSD.

*Please refer to the product specification page for more detail.

Unique Feature
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 and APP Shop

CPU
- Supports AMD AM4 Socket Ryzen^TM 2000, 3000, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors
- Digi Power design
- 10 Power Phase design

Chipset
- AMD Promontory B450

Memory
- Dual Channel DDR4 Memory Technology
- 4 x DDR4 DIMM Slots
- AMD Ryzen series CPUs (Vermeer) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC and non-ECC, un-buffered memory^Note1
- AMD Ryzen series CPUs (Matisse) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC and non-ECC, un-buffered memory^Note1
- AMD Ryzen series APUs (Cezanne) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC and non-ECC, un-buffered memory^Note1
- AMD Ryzen series APUs (Renoir) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC and non-ECC, un-buffered memory^Note1
- AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3200+(OC) / 2933(OC) / 2667 / 2400 / 2133 ECC and non-ECC, un-buffered memory^Note1
- AMD Ryzen series CPUs (Picasso) support DDR4 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory^Note1
- AMD Ryzen series CPUs (Summit Ridge) support DDR4 3200+(OC) / 2933(OC) / 2667 / 2400 / 2133 ECC and non-ECC, un-buffered memory^Note1
- AMD Ryzen series CPUs (Raven Ridge) support DDR4 3200+(OC) / 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory
- Max. capacity of system memory: 128GB^Note2
- Supports Extreme Memory Profile (XMP) memory modules
- 15micro Gold Contact in DIMM Slots
Note1:For Ryzen Series APUs (Picasso, Cezanne, Renoir and Raven Ridge), ECC is only supported with PRO CPUs.
Please refer to below table for AMD non-XMP memory frequency support.
SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label
DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label
Note2: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 Radeon^TM Vega Series Graphics in Ryzen Series APU^Note1
- DirectX 12, Pixel Shader 5.0
- Shared memory default 2GB. Max Shared memory supports up to 16GB. ^Note2
- Three graphics output options: D-Sub, DVI-D and HDMI
- Supports Triple Monitor
- Supports HDMI 1.4 with max. resolution up to 4K x 2K (4096x2160) at 24Hz / (3840x2160) at 30Hz
- Supports DVI-D with max. resolution up to 1920x1200 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 1.4 Port (Compliant HDMI monitor is required)
- Supports HDCP 1.4 with DVI-D and HDMI 1.4 Ports
- Supports Full HD 1080p Blu-ray (BD) playback with DVI-D and HDMI 1.4 Ports
Note1:Actual support may vary by CPU
Note2:The Max shared memory 16GB requires 32GB system memory installed.

Audio
- 7.1 CH HD Audio with Content Protection (Realtek ALC892/897 Audio Codec)
- Supports Surge Protection

LAN
- PCIE x1 Gigabit LAN 10/100/1000 Mb/s
- Realtek RTL8111GR
- Supports Wake-On-LAN
- Supports Lightning/ESD Protection
- Supports LAN Cable Detection
- Supports Energy Efficient Ethernet 802.3az
- Supports PXE

Slots
AMD Ryzen series CPUs (Vermeer, Matisse, Cezanne, Renoir, Summit Ridge and Pinnacle Ridge)
- 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode) ^Note
- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
AMD Ryzen series CPUs (Picasso, Raven Ridge)
- 1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode) ^Note
- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
AMD Athlon series CPUs
- 1 x PCI Express 3.0 x16 Slot (PCIE2: x4 mode)^Note
- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
- 1 x PCI Express 2.0 x1 Slot
- Supports AMD Quad CrossFireX^TM and CrossFireX^TM
Note: 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^Note1
- 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 Vermeer, Matisse, Cezanne, Renoir, Picasso, Summit Ridge, Raven Ridge and Pinnacle Ridge) or Gen3 x2 (16 Gb/s) (with Athlon series APU) ^Note2
- 1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module
Note1: M2_2 and SATA3_3 share lanes. If either one of them is in use, the other one will be disabled.
Note2: 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^Note1
- 1 x Addressable LED Header^Note2
- 1 x AMD Fan LED Header^Note3
- 1 x CPU Fan Connector (4-pin) ^Note4
- 1 x Chassis Fan Connector (4-pin) (Smart Fan Speed Control) ^Note5
- 1 x Chassis Fan Connector (3-pin)
- 1 x 24 pin ATX Power Connector
- 1 x 8 pin 12V Power Connector
- 1 x Front Panel Audio Connector
- 1 x AMD LED Fan USB Header
- 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)
- 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection)
Note1: Supports in total up to 12V/3A, 36W LED Strip
Note2: Supports in total up to 5V/3A, 15W LED Strip
Note3: The AMD Fan LED Header supports LED strips of maximum load of 3A (36W) and length up to 2.5M.
Note4: The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
Note5: CHA_FAN1 can auto detect if 3-pin or 4-pin fan is in use.

Rear Panel I/O
- 1 x PS/2 Mouse Port
- 1 x PS/2 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 3.2 Gen1 Type-C Port (Supports ESD Protection)
- 4 x USB 3.2 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 Motherboard Utility (A-Tuning)
- ASRock Polychrome SYNC
- ASRock XFast LAN
UEFI
- ASRock Full HD UEFI
- ASRock Instant Flash
- ASRock Easy RAID Installer
Note: 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
- CPU/Chassis temperature sensing
- CPU/Chassis Fan Tachometer
- CPU/Chassis Quiet Fan
- CPU/Chassis Fan multi-speed control
- Voltage monitoring: +12V, +5V, +3.3V, Vcore

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

OS
- Microsoft Windows 10 64-bit / 11 64-bit
Note: Summit Ridge do not officially support Windows 11.

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

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

Weight
3.00 lb