B550 Phantom Gaming 4 motherboard
B550 Phantom Gaming 4/ac
  • Supports 3rd Gen AMD AM4 Ryzen / Future AMD Ryzen Processors
  • 8 Power Phase Design, Digi Power
  • Supports DDR4 4733+ (OC)
  • 1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 2 PCIe 3.0 x1
  • Graphics Output Options: HDMI
  • AMD CrossFireX
  • 7.1 CH HD Audio (Realtek ALC1200 Audio Codec), Nahimic Audio
  • 4 SATA3, 1 Hyper M.2 (PCIe Gen4 x4)
  • 8 USB 3.2 Gen1 (2 Front, 6 Rear)
  • Gigabit LAN, Wi-Fi 802.11ac (2.4/5GHz) + BT 4.2
B550 Phantom Gaming 4 motherboard

Phantom Gaming is designed by gamers and for gamers! Underneath its relentless appearance lie plentiful gaming oriented features and excellent gaming capabilities. It's all about bringing a new gaming experience to gamers!

a woman is listening music
Nahimic Audio

Whether you are using headphones, a headset, external or internal speakers, via USB, Wi-Fi, analog output or even HDMI, Nahimic Audio offers you the most engaging listening experience, vibrant and rich with details.

a woman is listening music

The Sound Tracker is a visual indicator that points out the directions from which predominant sounds are coming. Each sound is properly positioned in 360° on a radar for a full immersion during the game.

8 Power Phase Design of the motherboard
8 Power Phase Design

Featuring sturdy components and completely smooth power delivery to the CPU. Plus, it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well.

Premium 50A Power Choke

Compared to traditional chokes, ASRock's premium 50A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.

2ozCopperPCB-B550 of the motherboard
2oz Copper PCB

2 ounce copper inner layers that provide stable signal traces and power shapes! Delivering lower temperature and higher energy efficiency for overclocking, it's able to support the latest DDR4 memory modules with most extreme memory performance!

POLYRGBLED-B550 Phantom Gaming 4 WiFi ax
RULE YOUR OWN LIGHTING WAY - POLYCHROME RGB

This motherboard features onboard RGB headers and an addressable RGB header 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.

Polychrome-RGB Phantom Gaming 4 WiFi ax*The addressable RGB LED header supports WS2812B addressable RGB LED strip (5V/Data/GND), with a maximum power rating of 3A (5V), a max of 80 LEDs and length within 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.
WiFi-IntelDualBand of the motherboard
Dual Band 802.11ac WiFi

No one has time for weak WiFi signals and sluggish internet! That's why this motherboard comes with a 802.11ac WiFi (2.4G / 5G WiFi) module which supports wireless networks and Bluetooth v4.2.

B550 Phantom Gaming 4ac motherboard
Hyper M.2 (PCIe Gen4 x4)

Supports the next generation PCI Express 4.0 M.2 SSDs, it is capable of perform twice the speed compared to previous 3rd generation, giving a lightning fast data transferring experience.

PCI-E 4.0 of the motherboard
Reinforced Steel Slot [PCIe 4.0 Version]

The reinforced steel slot comes with the next generation 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.
Integrated I/O of the motherboard
Post Status Checker

An easy troubleshooting tool that shows the CPU / DRAM / VGA / BOOT operation every time you start up the system. Post Status Checker is an fast and easy way to identify the source of the problem.

HDMI4K of the motherboard
HDMI 4k @60Hz

Supports the most recent HDMI 4K 60Hz graphics output specification. With the larger bandwidth and increased frame rate, the motion on your screen becomes more fluid and less blurry.

SA icon
XXL Aluminum Alloy Heatsink
B550 Phantom Gaming of the motherboard

Extra large aluminum alloy heat sinks that effectively take away heat from the MOSFET and chipset so that your whole system may perform more stable.

Premium 50A Power Choke
SA-HDPCB of the motherboard

Compared to traditional chokes, ASRock's premium 50A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.

Sapphire Black PCB

SA-BlackPCB of the motherboard

Pure black PCB appearance. The new Sapphire Black PCB represents rock-solid quality and gives the motherboard a more mysterious touch.

High Density Glass Fabric PCB
SA-HDPCB of the motherboard

High Density Glass Fabric PCB design that reduces the gaps between the PCB layers to protect the motherboard against electrical shorts caused by humidity.

2oz Copper PCB

SA-8PCB of the motherboard

Using only carefully selected copper materials for PCB layers, 2oz Copper PCB delivers lower temperature and higher energy efficiency for overclocking.

FullSpike
Full Spike Protection

Some sensitive digital components on the motherboard are vulnerable to power surges, the excessive current may cause your system to malfunction immediately. ASRock Full Spike Protection includes various technologies to prevent your motherboard's components from being damaged by these unexpected voltage spikes.

APPShop
Live Update & APP Shop

ASRock Live Update & APP Shop is designed for your convenience. We provide various apps and support software for users to download. You can also easily optimize your system and keep your motherboard up to date with ASRock Live Update & APP Shop.

Learn more about ASRock B550 Phantom Gaming 4/ac

Model
Brand
ASRock
Model
B550 Phantom Gaming 4/ac
Supported CPU
CPU Socket Type
AM4
CPU Type
Supports AMD Ryzen 5000 Series / 4000 G-Series / 3000 Series 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
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 (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 (Matisse))
Maximum Memory Supported
128GB
Channel Supported
Dual Channel
ECC Supported
Yes
Buffer Supported
Un-buffered
Expansion Slots
PCI Express 4.0 x16
1 x PCI Express 4.0 x16** Actual support may vary by CPU.* Supports NVMe SSD as boot disks.
PCI Express 3.0 x16
1 x PCI Express 3.0 x16** Supports NVMe SSD as boot disks.
PCI Express x1
2 x PCI Express 3.0 x1
Other Slots
1 x M.2 Socket (Key E) with the bundled WiFi-802.11ac module
Storage Devices
SATA 6Gb/s
4 x SATA 6Gb/s
M.2
1 x Hyper M.2 Socket (M2_1), supports M Key type 2260/2280/22110 M.2 PCI Express module up to Gen4x4 (64Gb/s) (with Matisse) or Gen3x4 (32Gb/s) (with Renoir)** 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
10/100/1000Mbps
Wireless LAN
Intel 802.11ac WiFi ModuleIEEE 802.11a/b/g/n/ac
Bluetooth
Bluetooth 4.2
Rear Panel Ports
Back I/O Ports
2 x Antenna Ports1 x PS/2 Mouse/Keyboard Port1 x HDMI Port6 x USB 3.2 Gen1 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)1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection)
Other Connectors
1 x COM Port Header1 x SPI TPM Header1 x Power LED and Speaker Header2 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
ATX
LED Lighting
RGB
Dimensions (W x L)
12.0" x 9.6"
Power Pin
1 x 24-pin ATX Power Connector1 x 8-pin 12V Power Connector1 x 4-pin 12V Power Connector
Windows 11 Compatibility
Windows 11
Supported
Features
Features
Gaming Armor:Memory- 15µ Gold Contact in DIMM SlotsCooling- XXL Aluminum Alloy HeatsinkAudio- Nahimic AudioUnique Feature:ASRock Super Alloy- XXL Aluminum Alloy Heatsink- Premium 50A Power Choke- Sapphire Black PCB- High Density Glass Fabric PCB- 2oz Copper PCBIntel 802.11ac WiFiASRock Steel Slot Gen4ASRock Hyper M.2 (PCIe Gen4x4)ASRock POST Status Checker (PSC)ASRock Full Spike Protection (for all USB, Audio, LAN Ports)ASRock Live Update & APP ShopBIOS:- 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-adjustmentSoftware and UEFI:Software- ASRock Motherboard Utility (Phantom Gaming Tuning)- ASRock Polychrome SYNC- ASRock Key Master- ASRock XFast LANUEFI- 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 ToolbarHardware 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, VDDPOS:- Microsoft Windows 10 64-bitCertifications:- FCC, CE- ErP/EuP ready (ErP/EuP ready power supply is required)
Packaging
Package Contents
Accessories:- Quick Installation Guide, Support CD, I/O Shield- 2 x SATA Data Cables- 2 x ASRock WiFi 2.4/5 GHz Antennas- 1 x Screw for M.2 Socket
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