ASRock B550M Phantom Gaming 4 AMD AM4 Socket Motherboard, Micro-ATX, 4x DDR4 Slots, 2x M.2 Sockets, GbE LAN, 1x DisplayPort / 1x HDMI Port

ASRock B550 Phantom Gaming Micro ATX Motherboard

Phantom Gaming is designed by gamers, for gamers. Beneath its aggressive styling, this ASRock B550 motherboard delivers gaming-focused features, stable power, and fast connectivity to elevate your desktop gaming experience.

Key Features

• Socket & CPU Support
• Supports AMD AM4 Socket Ryzen 3000, 4000 G-Series, and 5000 Series Desktop Processors
• Not compatible with AMD Ryzen 5 3400G and Ryzen 3 3200G

• Digi Power design with 8 Power Phase design

• Memory

• Supports DDR4 4733+ (OC)
• Dual Channel DDR4 Memory Technology
• 4 x DDR4 DIMM slots, up to 128GB total capacity
• Supports ECC & non-ECC, un-buffered memory
• Supports Extreme Memory Profile (XMP) memory modules

• 15µ Gold Contact in DIMM slots

• Graphics & Display Outputs

• Integrated AMD Radeon Vega Series Graphics (with Ryzen Series APUs)
• Dual graphics outputs: HDMI and DisplayPort 1.4
• HDMI 2.1 up to 4K x 2K (4096x2160) @ 60Hz
• DisplayPort 1.4 up to 5K (5120x2880) @ 120Hz
• Supports 4K Ultra HD playback, HDR, HDCP 2.3, Auto Lip Sync, Deep Color (12bpc), xvYCC, HBR audio
• Supports DirectX 12, Pixel Shader 5.0

• Shared memory default 2GB, max up to 16GB

• Expansion Slots

• AMD Ryzen CPUs (Matisse):
  • 2 x PCIe x16 (PCIE1: Gen4 x16, PCIE3: Gen3 x4)
• AMD Ryzen APUs (Renoir):
  • 2 x PCIe x16 (PCIE1: Gen3 x16, PCIE3: Gen3 x4)
• 1 x PCIe 3.0 x1 slot

• Supports AMD Quad CrossFireX and CrossFireX

• Storage

• 4 x SATA3 6.0 Gb/s connectors
  • Support RAID 0, 1, 10, NCQ, AHCI, Hot Plug
• 1 x Hyper M.2 Socket (M2_1), M Key type 2280
  • PCIe module up to Gen4 x4 (64 Gb/s) with Matisse
  • PCIe module up to Gen3 x4 (32 Gb/s) with Renoir

• 1 x M.2 Socket (M2_2), M Key type 2280

  • Supports SATA3 6.0 Gb/s M.2 module
  • Supports PCIe module up to Gen3 x2 (16 Gb/s)

• Audio & Networking

• 7.1 CH HD Audio (Realtek ALC887/897 Audio Codec)
• Supports Surge Protection

• Realtek PCIE x1 Gigabit LAN (RTL8111H)

  • 10/100/1000 Mb/s
  • Wake-On-LAN, Lightning/ESD Protection, Energy Efficient Ethernet 802.3az, PXE

• USB Connectivity

• 8 x USB 3.2 Gen1 (4 Front, 4 Rear)
• 6 x USB 2.0 (4 Front, 2 Rear)

• ESD Protection on supported ports

• Form Factor

• Micro ATX: 9.6" x 9.6" (24.4 cm x 24.4 cm)
• Solid capacitor design
• 2oz Copper PCB

Gaming-Oriented Power & Performance

• 8 Power Phase Design
  Features sturdy components and smooth power delivery to the CPU, enabling enhanced performance and lower temperatures for advanced gamers.

• Premium 50A Power Choke
  ASRock’s premium 50A power chokes provide up to three times better saturation current compared to traditional chokes, delivering improved Vcore voltage to the motherboard.

• 2oz Copper PCB
  2-ounce copper inner layers provide stable signal traces and power shapes, resulting in lower temperatures and higher energy efficiency for overclocking and extreme DDR4 memory performance.

• AMD Smart Access Memory
  Expands the data channel to harness the full potential of GPU memory, removing bottlenecks and increasing performance in conventional PC systems.

High-Speed Storage: Dual M.2 Support

• A Solid M.2 Solution Performer
• Dual M.2 for SSD, supports Type 2280 M.2
• Ready for higher capacity and faster Type 2280 NVMe SSDs
• Hyper M.2 socket supports PCIe Gen4 x4
• Secondary M.2 socket supports PCIe Gen3 x2 and SATA3 mode

RGB Lighting & Customization

• Rule Your Own Lighting Way – Polychrome RGB
• Onboard RGB headers and addressable RGB header
• Connect compatible LED strips, CPU fans, coolers, and chassis
• Synchronize RGB devices across Polychrome RGB Sync-certified accessories to create unique lighting effects

Rear Panel I/O

• 1 x PS/2 Mouse/Keyboard Port
• 1 x HDMI Port
• 1 x DisplayPort 1.4
• 4 x USB 3.2 Gen1 Ports (ESD Protection)
• 2 x USB 2.0 Ports (ESD Protection)
• 1 x RJ-45 LAN Port with LED indicators
• HD Audio Jacks: Line In / Front Speaker / Microphone

Internal 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 24-pin ATX Power Connector
• 1 x 8-pin 12V Power Connector
• 1 x Front Panel Audio Connector
• 2 x USB 2.0 Headers (support 4 USB 2.0 ports, ESD Protection)
• 2 x USB 3.2 Gen1 Headers (support 4 USB 3.2 Gen1 ports, ESD Protection)

Unique ASRock Features

• ASRock Super Alloy
• Premium 50A Power Choke
• Sapphire Black PCB
• High Density Glass Fabric PCB
• 2oz Copper PCB
• ASRock Hyper M.2 (PCIe Gen4 x4)
• ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
• ASRock Live Update & APP Shop

BIOS & Software

• BIOS
• 256Mb AMI UEFI Legal BIOS with GUI support
• Supports Plug and Play
• ACPI 5.1 compliance wake-up events
• Jumperfree configuration
• SMBIOS 2.3 support

• CPU, CPU VDDCR_SOC, DRAM, +1.8VSB voltage multi-adjustment

• Software & UEFI

• ASRock Motherboard Utility (A-Tuning)
• ASRock Polychrome SYNC
• ASRock Full HD UEFI

• ASRock Instant Flash

• Support CD

• Drivers, Utilities
• AntiVirus Software (Trial Version)
• Google Chrome Browser and Toolbar

Hardware Monitoring

• 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

Included Accessories

• Quick Installation Guide
• Support CD
• I/O Shield
• 2 x SATA Data Cables
• 2 x Screws for M.2 Sockets

Operating System

• Microsoft Windows 10 64-bit

Technical Specifications Table