Learn more about ASRock B550 Phantom Gaming-ITX/ax

Model
Brand
ASRock
Model
B550 Phantom Gaming-ITX/ax
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
2x288pin (DDR4)
Memory Standard
DDR4 5400(OC)+ / 5300(OC) / 5200(OC) / 5100(OC) / 5000(OC) / 4933(OC) / 4866(OC) / 4800(OC) / 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 5100(OC)+ / 5000(OC) / 4933(OC) / 4866(OC) / 4800(OC) / 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 CPUs (Matisse))
Maximum Memory Supported
64GB
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** Supports NVMe SSD as boot disks.* Actual support may vary by CPU.
Other Slots
1 x Vertical M.2 Socket (Key E) with the bundled WiFi-802.11ax module (on the rear I/O)15µ Gold Contact in VGA PCIe Slot (PCIE1)
Storage Devices
SATA 6Gb/s
4 x SATA 6Gb/s
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 Ultra M.2 Socket, supports M Key type 2280 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x4 (32Gb/s)** Supports NVMe SSD as boot disks.* Supports ASRock U.2 Kit (M2_1).
SATA RAID
0/1/10
Onboard Video
Onboard Video Chipset
Supported only by CPU with integrated graphic
Onboard Audio
Audio Chipset
Realtek ALC1220
Audio Channels
7.1 Channels
Onboard LAN
LAN Chipset
Intel I225-V
Max LAN Speed
2.5Gbps
Wireless LAN
Intel 802.11ax WiFi ModuleIEEE 802.11a/b/g/n/ax
Bluetooth
Bluetooth 5.1
Rear Panel Ports
Back I/O Ports
2 x Antenna Ports1 x HDMI Port1 x DisplayPort 1.41 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 (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
1 x USB 2.0 Header (Supports 2 USB 2.0 ports) (Supports ESD Protection)1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection)1 x Front Panel Type C USB 3.2 Gen2 Header (Supports ESD Protection)
Other Connectors
1 x RGB LED Header*1 x Addressable LED Header* Supports in total up to 5V/3A, 15W LED Strip.1 x CPU Fan Connector (4-pin)* The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)1 x Chassis/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)* The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.* CPU_FAN2/WP and CHA_FAN1/WP can auto detect if 3-pin or 4-pin fan is in use.1 x Front Panel Audio Connector (15µ Gold Audio Connector)* Supports in total up to 12V/3A, 36W LED Strip.
Physical Spec
Form Factor
Mini ITX
LED Lighting
RGB
Dimensions (W x L)
6.7" x 6.7"
Power Pin
1 x 24-pin ATX Power Connector (Hi-Density Power Connector)1 x 8-pin 12V Power Connector (Hi-Density Power Connector)
Windows 11 Compatibility
Windows 11
Supported
Features
Features
Gaming Armor:Power- Hi-Density Power Connectors (24-pin and 8-pin)Memory- 15µ Gold Contact in DIMM SlotsVGA Card- 15µ Gold Contact in VGA PCIe Slot (PCIE1)Internet- Intel 2.5G LANAudio- Nahimic AudioUnique Feature:ASRock USB 3.2 Gen2- ASRock Front Panel USB 3.2 Gen2 Type-C Header (10Gb/s)- ASRock USB 3.2 Gen2 Type-A Port (10Gb/s)- ASRock USB 3.2 Gen2 Type-C Port (10Gb/s)ASRock Super Alloy- Premium 90A Power Choke- 90A Dr.MOS- Premium Memory Alloy Choke (Reduces 70% core loss compared to iron powder choke)- Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors)- I/O Armor- Matte Black PCB- High Density Glass Fabric PCB- 8 Layer PCB- 2oz Copper PCBIntel 2.5G LANIntel 802.11ax WiFiASRock Steel Slot Gen4ASRock Full Coverage M.2 HeatsinkASRock Hyper M.2 (PCIe Gen4x4)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, Chipset 1.05V, 2.50V, +1.8V, 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.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 VcoreOS:- Microsoft Windows 10 64-bit
Packaging
Package Contents
Accessories:- Quick Installation Guide, Support CD- 2 x SATA Data Cables- 1 x ASRock WiFi 2.4/5 GHz Antenna- 1 x Screw for M.2 Socket
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