ASRock B450 Pro4 R2.0 AM4 AMD Promontory ATX AMD Motherboard

Supports AMD AM4 Socket Ryzen 2000, 3000 and 5000 Series Desktop Processors
Supports DDR4 3200+ (OC)
2 PCIe 3.0 x16, 4 PCIe 2.0 x1
AMD Quad CrossFireX
Graphics Output: HDMI, Display Port, D-Sub
7.1 CH HD Audio (Realtek ALC892/897 Audio Codec)
6 SATA3, 1 Ultra M.2 (PCIe Gen3 x4), 1 M.2 (PCIe Gen3 x2 & SATA3)
2 USB 3.2 Gen2 (Rear Type A+C)
6 USB 3.2 Gen1 (2 Front, 4 Rear)
Realtek Gigabit LAN

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.

RULE YOUR OWN LIGHTING WAY POLYCHROME RGB
This motherboard features onboard RGB headers and an addressable RGB header that allow motherboard to be connected to compatible LED devices such as strip, CPU fans, coolers, chassis and so on. Users may also synchronize RGB LED devices across the Polychrome RGB Sync-certified accessories to create their own unique lighting effects.

Dual M.2 For SSD
One PCIe Gen3 x4 Ultra M.2 interface that pushes data transfer speeds up to 32Gb/s. The other one supports PCIe Gen3 x2 & SATA3 M.2 modules.

Dual USB 3.2 Gen2 (Type-A + Type-C)
This motherboard has a pair of onboard Type-A and Type-C USB 3.2 Gen2 ports built on the rear i/o for supporting next generation USB 3.2 Gen2 devices and to deliver up to 10 Gbps data transfer rates.

Recommended reading:ASRock B560M Pro4/ac+ LGA 1200 Intel B560 Micro ATX Motherboard

2oz Copper
It comes with 2 ounces copper inner layers, using only carefully selected copper materials for PCB layers, delivering lower temperature and higher energy efficiency for overclocking.

AMD StoreMI Technology
A powerful tool that combines the speed of your SSD with the capacity of your hard disk into a single, fast, easy-to-manage drive, AMD StoreMI technology ‰ÛÏcombines‰Û� these two types of storage into a single drive and automatically moves the data you access the most to the SSD, so you get the best of both worlds.

Specification :

Model
Brand ASRock
Model B450 PRO4 R2.0
Supported CPU
CPU Socket Type AM4
CPU Type Supports AMD AM4 Socket Ryzen 2000, 3000 and 5000 Series Desktop Processors
Chipsets
Chipset AMD Promontory B450
Memory
Number of Memory Slots 4ÌÑ288pin
Memory Standard AMD Ryzen series CPUs (Matisse) support DDR4 3200/ 2933/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*
AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3200+(OC)/ 2933(OC)/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*
AMD Ryzen series CPUs (Picasso) support DDR4 2933/ 2667/ 2400/ 2133 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/ 2667/ 2400/ 2133 non-ECC, un-buffered memory*
* For Ryzen Series CPUs (Picasso and Raven Ridge), ECC is only supported with PRO CPUs.
Maximum Memory Supported 128GB
** 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.
Channel Supported Dual Channel
Expansion Slots
PCI Express 3.0 x16 AMD Ryzen series CPUs (Matisse, Summit Ridge and Pinnacle Ridge)
2 x PCI Express 3.0 x16 Slots (PCIE2: x16 mode; PCIE4: x4 mode)*
AMD Ryzen series CPUs (Picasso, Raven Ridge)
2 x PCI Express 3.0 x16 Slots (PCIE2: x8 mode; PCIE4: x4 mode)*
AMD Athlon series CPUs
2 x PCI Express 3.0 x16 Slots (PCIE2: x4 mode; PCIE4: x2 mode)*
* Supports NVMe SSD as boot disks
* If M2_1 is occupied, PCIE4 will be disabled
PCI Express x1 4 x PCI Express 2.0 x1 Slots
Storage Devices
SATA 6Gb/s 4 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug*
2 x SATA3 6.0Gb/s Connectors by ASMedia ASM1061, support NCQ, AHCI and Hot Plug
* M2_2, SATA3_3 and SATA3_4 share lanes. If either one of them is in use, the others will be disabled.
M.2 1 x Ultra M.2 Socket (M2_1), supports M Key type 2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32Gb/s) (with Matisse, Picasso, Summit Ridge, Raven Ridge and Pinnacle Ridge) or Gen3 x2 (16Gb/s) (with Athlon series APU)**
1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280/22110 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x2 (16Gb/s)**
** If M2_1 is occupied, PCIE4 will be disabled
** Supports NVMe SSD as boot disks
** Supports ASRock U.2 Kit
SATA RAID 0/1/10
Onboard Video
Onboard Video Chipset 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.**
Three graphics output options: D-Sub, HDMI and DisplayPort 1.2
Supports Triple Monitor
Supports HDMI with max. resolution up to 4K x 2K (4096ÌÑ2160) @ 24 Hz / (3840ÌÑ2160) @ 30 Hz
Supports DisplayPort 1.2 with max. resolution up to 4K x 2K (4096ÌÑ2160) @ 60 Hz
Supports D-Sub with max. resolution up to 1920ÌÑ1200 @ 60 Hz
Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI Port (Compliant HDMI monitor is required)
Supports HDCP 1.4 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
** The Max shared memory 16GB requires 32GB system memory installed
Onboard Audio
Audio Chipset Realtek ALC892/897
Audio Channels 7.1 CH HD Audio with Content Protection
Supports Surge Protection
Onboard LAN
LAN Chipset Realtek RTL8111H
Max LAN Speed 10/100/1000Mbps
Rear Panel Ports
Back I/O Ports 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 3.2 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection)
1 x USB 3.2 Gen2 Type-C Port (10Gb/s) (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
Internal I/O Connectors
Onboard USB 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)
Other Connectors 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 Front Panel Audio Connector
*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.
Physical Spec
Form Factor ATX
LED Lighting None RGB
Dimensions (W x L) 12.0‰Û_ x 8.8‰Û_
Power Pin 1 x 24-pin ATX Power Connector
1 x 8-pin 12V Power Connector
Windows 11 Compatibility
Windows 11 Supported