POLYCHROME RGB LED Lighting Control

This motherboard features onboard RGB headers and addressable RGB headers 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. The addressable RGB LED header supports WS2812B addressable RGB LED strips (5V/Data/GND), with a maximum power rating of 5V/3A (15W) and a maximum of 80 LEDs up to 2 meters. The RGB LED header supports standard 5050 RGB LED strip (12V/G/R/B), with a maximum power rating of 3A (12V) and length within 2 meters.

Dragon RJ45 2.5 Gb/s LAN Port

The intelligent 2.5Gb/s LAN platform is built for maximum networking performance for the demanding requirements of home networking, content creators, online gamers and high-quality streaming media. Boost networking performance up to 2.5x the bandwidth compared to the standard gigabit Ethernet, you will enjoy the faster and uncompromised connectivity experience for gaming, file transfers and backups.

AMD SMART ACCESS MEMORY

Conventional PC systems processor can only access a fraction of graphics memory and limits system performance. With AMD Smart Access Memory, the data channel gets expanded to harness the full potential of GPU memory, removes the bottleneck and increase performance.

Dual M.2 For SSD, Supports NVMe Type M.2

Ready for higher capacity and even faster NVMe M.2 SSD to fulfill the need of performance. Hyper M.2 socket that supports PCIe Gen4 x4 while M.2 socket is capable of running PCIe Gen3 x2 and SATA3 mode.

8 Power Phase Design

Featuring sturdy components and completely smooth power delivery to the CPU, offering enhanced performance for gamers.

Reinforced PCIe 4.0 Steel Slot

The reinforced steel slot is capable of supporting PCI Express 4.0 standard. The various benefits include:

• Extra anchor points
• Stronger latch
• Ensure signal stability
• Make sure heavy graphics cards to be well-installed

Pre-Installed IO Shield

ASRock strives offer only the cutting edge technology with the most user-friendly design. The pre-installed IO Shield design makes motherboard to be well-installed in the chassis precisely for preventing any interferences and speed up the set-up process.

Dual Graphics Outputs

Complete with two types of most used connectors! Packed with a HDMI + DisplayPort combo, you have more graphics output options now.

4K60Hz HDMI Port

Supports the most recent HDMI 4K 60Hz graphics output specification for AMD AM4 Processors with CPU Integrated Graphics. By offering larger bandwidth and increased frame rates, the motion on your screen becomes more fluid and less blurry.

Additional Information:

Visit the Manufacturer Product Web Page for Full Details

Download the Manufacturer Product Manual

Rear I/O:

Supports all AMD Ryzen™ 7000 Series Desktop Processors for AMD Socket AM5

• Windows® 11 / 10, 64bit

Make and Model	ASRock B550M Pro SE Micro ATX Motherboard
Part Number	B550M PRO SE
Windows® Support	Windows® 11 / 10, 64 bit
Chipset	AMD® PRO565 Chipset
CPU Socket	AMD Socket AM4
CPU Support	Ryzen™ 5000 and 3000 Series Desktop Processors for Socket AM5* Ryzen™ 5000G, 4000G, and 3000G Series Desktop Processors with Integrated Graphics for Socket AM5* * This Motherboard is not compatible with AMD Athlon™ Series Processors.
Memory	4x DDR4 RAM Slots, 128GB Maximum (4x 32GB) for ECC & non-ECC Un-buffered Memory Dual Channel Memory Architecture Supports AMD EXtended Profiles for Overclocking (EXPO™) Ryzen™ 5000 and 3000 Series Desktop Processors for Socket AM4: Stock Clocked Ram: DDR4-3200 / 2933 / 2667 / 2400 / 2133 MHz ECC & non-ECC, un-buffered memory Overclocked RAM: DDR4-4533+ / 4466 / 4400 / 4333 / 4266 / 4200 / 4133 / 4000 / 3866 / 3800 / 3733 / 3600 / 3466 MHz ECC & non-ECC, un-buffered memory Ryzen™ 5000G and 4000G Series Desktop Processors with Integrated Graphics for Socket AM4**: Stock Clocked Ram: DDR4-3200 / 2933 / 2667 / 2400 / 2133 MHz ECC & non-ECC, un-buffered memory Overclocked RAM: DDR4-4733+ / 4666 / 4600 / 4533 / 4466 / 4400 / 4333 / 4266 / 4200 / 4133 / 4000 / 3866 / 3800 / 3733 / 3600 / 3466 MHz ECC & non-ECC, un-buffered memory Ryzen™ 3000G Series Desktop Processors with Integrated Graphics for Socket AM4**: Stock Clocked Ram: DDR4-2933 / 2667 / 2400 / 2133 MHz ECC & non-ECC, un-buffered memory Overclocked RAM: DDR4-3333+ / 3200 MHz ECC & non-ECC, un-buffered memory ** For Ryzen Series APUs (Picasso, Cezanne and Renoir), ECCRAM is only supported by PRO CPUs.
Onboard Graphics	Requires an AMD Radeon™ G Series Processor with Integrated Graphics: (Actual maximum resolution support varies by CPU) Both Video Out ports support HDCP 2.3 1x HDMI 2.1 port with HDCP 2.3 and HDR Support, up to 4K UHD @ 60Hz* * Ryzen™ 3000G Series Desktop Processors support HDCP 2.2 on the HDMI 2.0 Port 1x DisplayPort 1.4 port with HDCP 2.3 Support, up to 5K UHD @ 120Hz
Expansion Slots	Ryzen™ 5000 and 3000 Series Desktop Processors for Socket AM4: 2x PCIe 4.0 x16 Slots 1x PCIe 3.0 x1 Slot Ryzen™ 5000G and 4000G Series Desktop Processors with Integrated Graphics for Socket AM4: 1x PCIe 4.0 x16 Slot 1x PCIe 4.0 x4 Slot 1x PCIe 3.0 x1 Slot Ryzen™ 3000G Series Desktop Processors with Integrated Graphics for Socket AM4: 1x PCIe 3.0 x8 Slot 1x PCIe 3.0 x4 Slot 1x PCIe 3.0 x1 Slot
Storage	Ryzen™ 5000 and 3000 Series Desktop Processors for Socket AM4: 1x Hyper M.2 Key M PCIe Gen4 x4 2280 Slot 1x M.2 Key M Socket 2280 PCIe Gen3 x2 / SATA3 slot 4x SATA 3 6.0 Gb/s Connectors w/ RAID 0, 1, 10 Support Ryzen™ 5000G, 4000G and 300G Series Desktop Processors with Integrated Graphics for Socket AM4: 1x M.2 Key M Socket Gen3 x4 2280 Slot 1x M.2 Key M Socket 2280 PCIe Gen3 x2 / SATA3 slot 4x SATA 3 6.0 Gb/s Connectors w/ RAID 0, 1, 10 Support
USB Ports	Rear USB Ports: 4x USB 3.2 Gen1 (5 Gbps) Type-A ports 2x USB 2.0 (480Mbps) Type-A ports Front USB Ports via USB Headers: 2x USB 3.2 Gen1 (5 Gbps) Type-A ports via 1x USB 3.2 Gen 1 header 4x USB 2.0 (480Mbps) Type-A ports via 2x USB 2.0 headers
LAN	Dragon RTL8125BG LAN Chipset: 1x 2.5GbE RJ45 LAN port Dragon 2.5G LAN Software Smart Auto Adjust Bandwidth Control Visual User Friendly UI Visual Network Usage Statistics Optimized Default Setting for Game, Browser, and Streaming Modes User Customized Priority Control
Audio	Realtek ALC897 Audio Codec: 7.1 CH HD Audio Rear I/O Ports: 1x 3.5mm Line In Jack 1x 3.5mm Line Out Jack 1x 3.5mm Mic In Jack Front I/O Connector: 1x Front Panel Audio Connector
Rear I/O	4x USB 3.2 Gen1 (5 Gbps) Type-A ports 2x USB 2.0 (480Mbps) Type-A ports 1x RJ-45 2.5GB LAN port 1x HDMI v2.1 port 1x DisplayPort v1.4 port 1x 3.5mm Line In Jack 1x 3.5mm Line Out Jack 1x 3.5mm Mic In Jack 1x PS/2 Combo Mouse/Keyboard port
Internal I/O Connectors	1x 24 pin ATX Power Connector 1x 8 pin 12V Power Connector 1x Front Panel Audio Connector 2x USB 2.0 Headers (Support 4 USB 2.0 ports) 1x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) 1x SPI TPM Header 1x Power LED and Speaker Header 2x RGB LED Headers * * Supports in total up to 12V@3A/36W LED Strip 2x Addressable LED Headers ** ** Support in total up to 5V@3A/15W LED Strip 1x CPU Fan Connector (4-pin) *** *** CPU_FAN1 supports the fan power up to 12V@1A/12W 3x Chassis/Water Pump Fan Connectors (4-pin) w/ Smart Fan Speed Control **** **** CHA_FAN1~3/WP support the fan power up to 12V@2A/24W and can auto detect when a 3-pin or 4-pin fan is used
BIOS Management	128Mb AMI UEFI Legal BIOS with GUI support
UEFI	ASRock Full HD UEFI ASRock Instant Flash
Software Features	ASRock Motherboard Utility (A-Tuning) ASRock Dragon 2.5Gb LAN Software ASRock Polychrome SYNC
Certifications	CE ErP/EuP ready (ErP/EuP ready power supply is required for certification) FCC
Form Factor	Micro ATX Form Factor
Dimensions (LxW)	244 x 244mm
Weight	N/A