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Main image of AMD Ryzen 7 5700 - Ryzen 7 5000 Series 8-Core 3.7 GHz Socket AM4 65W None Integrated Graphics Desktop CPU Processor - 100-100000743SBX ASRock B550M PRO4 AM4 Micro ATX AMD Motherboard GeIL ORION 32GB (2 x 16GB) DDR4 3200 (PC4 25600) Desktop

Alt view image 2 of 6 - AMD Ryzen 7 5700 - Ryzen 7 5000 Series 8-Core 3.7 GHz Socket AM4 65W None Integrated Graphics Desktop CPU Processor - 100-100000743SBX ASRock B550M PRO4 AM4 Micro ATX AMD Motherboard GeIL ORION 32GB (2 x 16GB) DDR4 3200 (PC4 25600) Desktop

Alt view image 3 of 6 - AMD Ryzen 7 5700 - Ryzen 7 5000 Series 8-Core 3.7 GHz Socket AM4 65W None Integrated Graphics Desktop CPU Processor - 100-100000743SBX ASRock B550M PRO4 AM4 Micro ATX AMD Motherboard GeIL ORION 32GB (2 x 16GB) DDR4 3200 (PC4 25600) Desktop

Alt view image 4 of 6 - AMD Ryzen 7 5700 - Ryzen 7 5000 Series 8-Core 3.7 GHz Socket AM4 65W None Integrated Graphics Desktop CPU Processor - 100-100000743SBX ASRock B550M PRO4 AM4 Micro ATX AMD Motherboard GeIL ORION 32GB (2 x 16GB) DDR4 3200 (PC4 25600) Desktop

Alt view image 5 of 6 - AMD Ryzen 7 5700 - Ryzen 7 5000 Series 8-Core 3.7 GHz Socket AM4 65W None Integrated Graphics Desktop CPU Processor - 100-100000743SBX ASRock B550M PRO4 AM4 Micro ATX AMD Motherboard GeIL ORION 32GB (2 x 16GB) DDR4 3200 (PC4 25600) Desktop

Alt view image 6 of 6 - AMD Ryzen 7 5700 - Ryzen 7 5000 Series 8-Core 3.7 GHz Socket AM4 65W None Integrated Graphics Desktop CPU Processor - 100-100000743SBX ASRock B550M PRO4 AM4 Micro ATX AMD Motherboard GeIL ORION 32GB (2 x 16GB) DDR4 3200 (PC4 25600) Desktop

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AMD Ryzen 7 5700 - Ryzen 7 5000 Series 8-Core 3.7 GHz Socket AM4 65W None Integrated Graphics Desktop CPU Processor - 100-100000743SBX ASRock B550M PRO4 AM4 Micro ATX AMD Motherboard GeIL ORION 32GB (2 x 16GB) DDR4 3200 (PC4 25600) Desktop

Item #: 9B-CMB-4870328
Mfr. Part #: COMBO 4870328
UNSPSC: 43201513

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BIOS update might require for AMD Zen 3 Ryzen 5000 series CPU
AMD B550
Supports AMD Ryzen 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series / 3000 G-Series Processors
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 (AMD Ryzen series APUs (Cezanne & Renoir))
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 (AMD Ryzen series CPUs (Vermeer & Matisse))
DDR4 3333+(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 (AMD Ryzen series APUs (Picasso))
7nm 65W
16MB L3 Cache
4MB L2 Cache
None Integrated Graphics
DDR4 3200 (PC4 25600)
Timing 18-20-20-38
CAS Latency CL18
Voltage 1.35V

Overview

Specs

Reviews

AMD Ryzen 7 5700 - Ryzen 7 5000 Series 8-Core 3.7 GHz Socket AM4 65W None Integrated Graphics Desktop CPU Processor - 100-100000743SBX ASRock B550M PRO4 AM4 Micro ATX AMD Motherboard GeIL ORION 32GB (2 x 16GB) DDR4 3200 (PC4 25600) Desktop Memory Model GAOG432GB3200C16ADC

Model
Brand	ASRock
Series	Prime
Model	B550M PRO4
Part Number	B550M PRO4

Supported CPU
CPU Socket Type	AM4
CPU Type	Supports AMD Ryzen 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series / 3000 G-Series Processors* * Not compatible with AMD Athlon Processors. * BIOS update might require for AMD Zen 3 Ryzen 5000 Series CPU. Refer to ASRock website for CPU support list.

Chipsets
Chipset	AMD B550

Memory
Number of Memory Slots	4x288pin (DDR4)
Memory Standard	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 (AMD Ryzen series APUs (Cezanne & Renoir))* 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 (AMD Ryzen series CPUs (Vermeer & Matisse))* DDR4 3333+(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 (AMD Ryzen series APUs (Picasso))* * For Ryzen Series APUs (Picasso, Cezanne and Renoir), ECC is only supported with PRO CPUs.
Maximum Memory Supported	128GB
Channel Supported	Dual Channel
Memory Performance Profile	Intel XMP 2.0
ECC Supported	ECC supported varies by processors
Buffer Supported	Un-buffered
Memory Feature	DDR4, 4733 MHz, 4, 128 GB

Expansion Slots
PCI Express 4.0 x16	1 x PCI Express 4.0 x16* * Supports NVMe SSD as boot disks. * Actual support may vary by CPU.
PCI Express 3.0 x16	1 x PCI Express 3.0 x16* * Supports NVMe SSD as boot disks.
PCI Express 2.0 x16	1 x PCI Express 2.0 x16
PCI Express x16	1 x PCI Express x16
PCI Express x4	3 x PCI Express x4
PCI Express x1	1 x PCI Express 3.0 x1
PCI Slots	1 x PCI Slot
Other Slots	1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module

Storage Devices
Serial ATA (SATA)	6 x SATA3 6.0Gb/s* * M2_2 and SATA3_5_6 share lanes. If either one of them is in use, the other one will be disabled.
M.2	1 x Hyper M.2 Socket (M2_1), supports M Key type 2280 M.2 PCI Express module up to Gen4x4 (64 Gb/s) (with Vermeer, Matisse) or Gen3x4 (32 Gb/s) (with Cezanne, Renoir and Picasso)* 1 x M.2 Socket (M2_2), supports M Key type 2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb/s)* * Supports NVMe SSD as boot disks. * Supports ASRock U.2 Kit.
SATA RAID	0/1/10

Onboard Video
Onboard Video Chipset	Supported only by CPU with integrated graphic

Onboard Audio
Audio Chipset	Realtek ALC1200
Audio Channels	7.1 Channels

Onboard LAN
LAN Chipset	Realtek RTL8111H
Max LAN Speed	1Gbps
Wireless LAN	Wi-Fi 802.11 be

Rear Panel Ports
Back I/O Ports	Antenna Bracket 1 x PS/2 Mouse/Keyboard Port 1 x D-Sub Port 1 x HDMI Port 1 x DisplayPort 1.4 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 (ASMedia ASM1074 hub) (Supports ESD Protection) 2 x USB 2.0 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
PS/2	1
COM	3
Video Ports	1
HDMI	1 x HDMI
RJ45	1 x RJ45
USB 3.1	2 x USB 3.1
USB 3.0	10 x USB 3.0
USB 1.1/2.0	9 x USB 2.0
eSATA	1 x eSATA 3Gb/s
Game/MIDI Ports	1
Audio Ports	6 Ports

Internal I/O Connectors
Onboard USB	2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection) 2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports) (Supports ESD Protection)
Other Connectors	1 x COM Port Header 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)* 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control) 4 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. * The CPU Fan Connector supports the CPU fan of maximum 1A (12W) 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, CHA_FAN3/WP and CHA_FAN4/WP can auto detect if 3-pin or 4-pin fan is in use.

Physical Spec
Form Factor	Micro ATX
LED Lighting	RGB
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	Unique Feature: ASRock USB 3.2 Gen2 - ASRock USB 3.2 Gen2 Type-A Port (10Gb/s) - ASRock USB 3.2 Gen2 Type-C Port (10Gb/s) ASRock Super Alloy - XXL Aluminum Alloy Heatsink - Premium 50A Power Choke - Sapphire Black PCB - High Density Glass Fabric PCB - 2oz Copper PCB ASRock Steel Slot Gen4 ASRock Full Coverage M.2 Heatsink ASRock Hyper M.2 (PCIe Gen4x4) ASRock POST Status Checker (PSC) ASRock Full Spike Protection (for all USB, Audio, LAN Ports) ASRock Live Update & APP Shop BIOS: - 256MB AMI UEFI Legal BIOS with GUI support - Supports "Plug and Play" - ACPI 5.1 compliance wake up events - Supports jumperfree - SMBIOS 2.3 support - CPU, CPU VDDCR_SOC, DRAM, VPPM, 1.05V_PROM_S5, 2.5V_PROM, +1.8VSB, VDDP Voltage Multi-adjustment Software and UEFI: Software - ASRock Motherboard Utility (A-Tuning) - ASRock XFast LAN UEFI - ASRock Full HD UEFI - ASRock Instant Flash * These utilities can be downloaded from ASRock Live Update & APP Shop. Support CD: - Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar 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 - Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, CPU VDDCR_SOC, DRAM, VPPM, 1.05V_PROM_S5, +1.8V, VDDP OS: - Microsoft Windows 10 64-bit / 11 64-bit Certifications: - FCC, CE - ErP/EuP ready (ErP/EuP ready power supply is required)

Additional Information
First Listed on Newegg	May 19, 2026

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AMD Ryzen 7 5700 - Ryzen 7 5000 Series 8-Core 3.7 GHz Socket AM4 65W None Integrated Graphics Desktop CPU Processor - 100-100000743SBX ASRock B550M PRO4 AM4 Micro ATX AMD Motherboard GeIL ORION 32GB (2 x 16GB) DDR4 3200 (PC4 25600) Desktop

Learn more about the ENIAC B550M PRO4

Customer Reviews of the ENIAC B550M PRO4

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Warranty, Returns, And Additional Information

Return Policies

Manufacturer Contact Info

Item#: 9B-CMB-4870328

AMD Ryzen 7 5700 - Ryzen 7 5000 Series 8-Core 3.7 GHz Socket AM4 65W None Integrated Graphics Desktop CPU Processor - 100-100000743SBX ASRock B550M PRO4 AM4 Micro ATX AMD Motherboard GeIL ORION 32GB (2 x 16GB) DDR4 3200 (PC4 25600) Desktop

Learn more about the ENIAC B550M PRO4

Customer Reviews of the ENIAC B550M PRO4

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies

Manufacturer Contact Info