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ASRock B550M Phantom Gaming 4 AM4 AMD B550 SATA 6Gb/s Micro ATX AMD Motherboard

OPEN BOX Product Type
In stock. Limit 5 per customer.
Ships from Canada.
  • BIOS update might require for AMD Zen 3 Ryzen 5000 series CPU
  • AMD B550
  • Supports 3rd Gen AMD AM4 Ryzen / future AMD Ryzen Processors
  • 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 (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
The Open Box Product Disclaimer applies to this product.
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Specs

Learn more about the ASRock B550M Phantom Gaming 4

Model
Brand ASRock
Model B550M Phantom Gaming 4
Supported CPU
CPU Socket Type AM4
CPU Type Supports 3rd Gen AMD AM4 Ryzen / future AMD Ryzen Processors *
* Not compatible with AMD Ryzen 5 3400G and Ryzen 3 3200G.
* 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 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 (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
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 4.0 x16 AMD Ryzen series CPUs (Matisse)
- 1 x PCI Express x16 Slots (PCIE1: Gen4x16 mode)*
AMD Ryzen series APUs (Renoir)
- 1 x PCI Express x16 Slots (PCIE1: Gen3x16 mode)*
* Supports NVMe SSD as boot disks
PCI Express 3.0 x16 AMD Ryzen series CPUs (Matisse)
- 1 x PCI Express x16 Slots (PCIE3: Gen3 x4 mode)*
AMD Ryzen series APUs (Renoir)
- 1 x PCI Express x16 Slots (PCIE3: Gen3 x4 mode)*
* Supports NVMe SSD as boot disks
PCI Express x1 1 x PCI Express 3.0 x1 Slot
Storage Devices
SATA 6Gb/s 4 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug
M.2 1 x Hyper M.2 Socket (M2_1), supports M Key type 2280 M.2 PCI Express module up to Gen4x4 (64Gb/s) (with Matisse) or Gen3x4 (32Gb/s) (with Renoir)*
1 x M.2 Socket (M2_2), supports M Key type 2280 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x2 (16Gb/s)*

* 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.**
Dual graphics output: support HDMI and DisplayPort 1.4 ports by independent display controllers
Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) @ 60Hz
Supports DisplayPort 1.4 with max. resolution up to 5K (5120x2880) @120Hz
Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI 2.1 Port (Compliant HDMI monitor is required)
Supports HDR (High Dynamic Range) with HDMI 2.1
Supports HDCP 2.3 with HDMI 2.1 and DisplayPort 1.4 Ports
Supports 4K Ultra HD (UHD) playback with HDMI 2.1 and DisplayPort 1.4 Ports
Supports Microsoft PlayReady

* Actual support may vary by CPU.
** The Max shared memory 16GB requires 32GB system memory installed.
Onboard Audio
Audio Chipset Realtek ALC887/897 Audio Codec
Audio Channels 7.1 Channels
Onboard LAN
LAN Chipset Realtek RTL8111H
Max LAN Speed 1Gbps
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 (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
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 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.
*** 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.
**** 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 Micro ATX
LED Lighting None 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
Windows 11 Compatibility
Windows 11 Supported
Features
Features Unique Feature:
ASRock Super Alloy
- Premium 50A Power Choke
- Sapphire Black PCB
- High Density Glass Fabric PCB
- 2oz Copper PCB
ASRock Hyper M.2 (PCIe Gen4x4)
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, +1.8VSB, Voltage Multi-adjustment

Software and UEFI:
Software
- ASRock Motherboard Utility (A-Tuning)
- ASRock Polychrome SYNC*
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, Chassis/Water Pump Fans
- Fan Tachometer: CPU, Chassis/Water Pump Fans
- Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, Chassis/Water Pump Fans
- Fan Multi-Speed Control: CPU, Chassis/Water Pump Fans
- Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, CPU VDDCR_SOC, DRAM, VPPM, +1.8V

OS:
- Microsoft Windows 10 64-bit

Certifications:
- FCC, CE
- ErP/EuP ready (ErP/EuP ready power supply is required)
Additional Information
Date First Available June 02, 2021

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