Saw another review saying it has wifi, but to be sure.. Does it come with wifi?

The ASRock B550M Pro SE does not have WiFi. It has a 2.5 GHz Ethernet port for hard wired connections. Maybe there is a variant with WiFi but not this model.

I have a ryzen 1400, will that require bios update? Im not sure how to do that

The ASRock website does not list the ryzen 1400 as supported. Thats a first gen ryzen, some modern motherboards do not support older CPUS.

it comes with updated bios for ryzen 5 5600x?

Yes, there's only been 1 bios update (2.90 to 3.20). It only supports 3rd gen and newer

How many argb fans can I connect to this motherboard without having to buy an argb fan hub?

From the looks of it, just two (it also has a pair of regular RGB). You can find the manual by going to ASRock's web site, searching for the model, and using the support tab to find the pdf for the manual (you don't have to register to do this).

does it come with a battery?

Yes. A CMOS battery is included.

Will this work with Linux? And will it work with 105W 5000 series CPU's?

The ASRock B550M Pro SE motherboard supports AMD AM4 Socket Ryzen 5000 and 5000 G-Series Desktop Processors, which are compatible with 105W TDP CPUs in the 5000 series. However, there is no specific mention of Linux compatibility in the provided product information.

Can you add an external CPU to this mobo?

Absolutely ...just check the "Asrock product page for this Motherboard for a list of the supported AMD Cpu's.

What rating of Power Supply is best for this Motherboard?

That would depend on the rest of your components. Generally though I never use below a 500W PSU on any modern system. Unless you're using very high end components (e.g. a Ryzen 7/Ryzen 9 series CPU and very high power GPU) a 650W/750W should be fine.

Will this support a Ryzen 5 5600g out of the box, or will I have to update the BIOS with an older Ryzen CPU?

tested with my 5600 and 4700g without issue its new enough that any 3000 4000 or 5000 should work without issue asrock has a cpu support list showing this.

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ASRock B550M Pro SE AM4 DDR4 SATA 6Gb/s 1 PCIe 4.0 x16 Micro ATX Motherboard

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Option: B550M PRO SE

B550 EXTREME4
B550 PHANTOM GAMING 4
B550 PHANTOM GAMING 4 AC
B550 PHANTOM GAMING-ITX/AX
B550 PRO4
B550 TAICHI
B550M-HDV
B550M-ITX/AC
B550M PRO4
B550M STEEL LEGEND
B550M PRO SE

Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors*
Supports DDR4 4733+ (OC)
1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 1 PCIe 3.0 x1
Graphics Output Options: HDMI, DisplayPort
Realtek ALC897 7.1 CH HD Audio Codec
4 SATA3, 1 Hyper M.2 (PCIe Gen4 x4),
1 M.2 (PCIe Gen3 x2 & SATA3)
6 USB 3.2 Gen1 (4 Rear, 2 Front)
6 USB 2.0 (2 Rear, 4 Front)
Dragon 2.5G LAN
Supports Pre-Installed I/O Shield
* Not compatible with AMD Athlon™ Processors.

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Specs

Reviews (98)

Learn more about the ASRock B550M Pro SE

Model
Brand	ASRock
Model	B550M Pro SE

Supported CPU
CPU Socket Type	AM4
CPU Type	- Supports AMD AM4 Socket Ryzen 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors* * Not compatible with AMD Athlon™ Processors.

Chipsets
Chipset	AMD B550

Memory
Number of Memory Slots	4x288pin (DDR4)
Memory Standard	- AMD Ryzen series CPUs (Vermeer) support DDR4 4533+(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3800(OC)/3733(OC)/3600(OC)/3466(OC)/3200/2933/2667/2400/2133 ECC & non-ECC, un-buffered memory* - AMD Ryzen series CPUs (Matisse) support DDR4 4533+(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3800(OC)/3733(OC)/3600(OC)/3466(OC)/3200/2933/2667/2400/2133 ECC & non-ECC, un-buffered memory* - AMD Ryzen series APUs (Cezanne) support DDR4 4733+(OC)/4666(OC)/4600(OC)/4533(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3800(OC)/3733(OC)/3600(OC)/3466(OC)/3200/2933/2667/2400/2133 ECC & non-ECC, un-buffered memory* - AMD Ryzen series APUs (Renoir) support DDR4 4733+(OC)/4666(OC)/4600(OC)/4533(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3800(OC)/3733(OC)/3600(OC)/3466(OC)/3200/2933/2667/2400/2133 ECC & non-ECC, un-buffered memory* - AMD Ryzen series APUs (Picasso) support DDR4 3333+(OC)/3200(OC)/2933/2667/2400/2133 non-ECC, un-buffered memory* * For Ryzen Series APUs (Picasso, Cezanne and Renoir), ECC is only supported with PRO CPUs. * Please refer to Memory Support List on ASRock's website for more information. (http://www.asrock.com/) * For non-XMP memory frequency support, please refer to the Specification on ASRock's website. * For more details, please refer to the QVL on ASRock's website.
Maximum Memory Supported	128GB
Memory Feature	Supports Extreme Memory Profile (XMP) memory modules

Expansion Slots
PCI Express 4.0 x16	AMD Ryzen series CPUs (Vermeer and Matisse) - 2 x PCIe x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)* AMD Ryzen series APUs (Cezanne and Renoir) - 2 x PCIe x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)* AMD Ryzen series APUs (Picasso) - 2 x PCIe x16 Slots (PCIE1: Gen3x8 mode; PCIE3: Gen3 x4 mode)* * Supports NVMe SSD as boot disks - Supports AMD CrossFire
PCI Express x1	1 x PCIe 3.0 x1 Slot (PCIE2: x1 mode)

Storage Devices
Serial ATA (SATA)	4 x SATA 6Gb/s
M.2	CPU: - 1 x Hyper M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode (with Vermeer, Matisse) or Gen3x4 (32 Gb/s) mode (with Cezanne, Renoir and Picasso)* Chipset: - 1 x M.2 Socket (M2_2, Key M), supports type 2280 SATA3 6.0 Gb/s & PCIe Gen3x2 (16 Gb/s) modes* * Supports NVMe SSD as boot disks
SATA RAID	0/1/10

Onboard Audio
Audio Chipset	7.1 CH HD Audio (Realtek ALC897 Audio Codec)
Audio Channels	7.1 Channels

Onboard LAN
LAN Chipset	Dragon RTL8125BG - Supports 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
Max LAN Speed	2.5Gbps

Rear Panel Ports
Back I/O Ports	- 1 x PS/2 Mouse/Keyboard Port - 1 x HDMI Port - 1 x DisplayPort 1.4 - 4 x USB 3.2 Gen1 Ports - 2 x USB 2.0 Ports - 1 x RJ-45 LAN Port with 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) - 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports)
Other Connectors	- 1 x SPI TPM Header - 1 x Power LED and Speaker Header - 2 x RGB LED Headers* - 2 x Addressable LED Headers - 1 x CPU Fan Connector (4-pin)* - 3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)**** - 1 x Front Panel Audio Connector * Support in total up to 12V/3A, 36W LED Strip Support in total up to 5V/3A, 15W LED Strip * CPU_FAN1 supports the fan power up to 1A (12W). ** CHA_FAN1~3/WP support the fan power up to 2A (24W). ** CHA_FAN1~3/WP can auto detect if 3-pin or 4-pin fan is in use.

Physical Spec
Form Factor	Micro ATX
Dimensions (W x L)	9.6" x 9.6"
Power Pin	- 1 x 24 pin ATX Power Connector - 1 x 8 pin 12V Power Connector

Software Feature
Windows 11	Supported

Features
Features	Rock-Solid Durability - 8 Power Phase - Pre-Installed I/O Shield Ultrafast Connectivity - 2.5G LAN Software - ASRock Motherboard Utility (A-Tuning) - ASRock Dragon 2.5G LAN Software - ASRock Polychrome SYNC * These utilities can be downloaded from ASRock Live Update & APP Shop. UEFI - ASRock Full HD UEFI - ASRock Instant Flash

Packaging
Package Contents	- 1 x User Manual - 2 x SATA Data Cables - 2 x Screws for M.2 Sockets

Additional Information
First Listed on Newegg	April 03, 2025

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ASRock B550M Pro SE AM4 DDR4 SATA 6Gb/s 1 PCIe 4.0 x16 Micro ATX Motherboard

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