ASRock MB Sc AM4 B550 PHANTOM GAMING-ITX/AX, AMD B550, 2xDDR4, HDMI

Power
- Hi-Density Power Connectors (24 pin and 8 pin)
Memory
- 15µ Gold Contact in DIMM Slots
VGA Card
- 15µ Gold Contact in VGA PCIe Slot (PCIE1)
Internet
- Intel® 2.5G LAN
Audio
- Nahimic Audio

- Supports 3rd Gen AMD AM4 Ryzen™ / future AMD Ryzen™ Processors*
- Digi Power design
- 8 Power Phase design

*Not compatible with AMD Ryzen™ 5 3400G and Ryzen™ 3 3200G.

- 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.

AMD Ryzen series CPUs (Matisse)
- 1 x PCI Express x16 Slot (PCIE1: Gen4x16 mode)*
AMD Ryzen series APUs
- 1 x PCI Express x16 Slot (PCIE1: Gen3x16 mode)*

- 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)

*Supports NVMe SSD as boot disks

- 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug
- 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 Matisse) or Gen3x4 (32 Gb/s)*
- 1 x Ultra M.2 Socket, supports M Key type 2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s)*

*Supports NVMe SSD as boot disks
Supports ASRock U.2 Kit (M2_1)

- Intel® 802.11ax WiFi Module
- Supports IEEE 802.11a/b/g/n/ax
- Supports Dual-Band (2.4/5 GHz)
- Supports WiFi6 802.11ax (2.4Gbps)
- 2 antennas to support 2 (Transmit) x 2 (Receive) diversity technology
- Supports Bluetooth 5.1 + High speed class II
- Supports MU-MIMO

- 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 24 pin ATX Power Connector (Hi-Density Power Connector)
- 1 x 8 pin 12V Power Connector (Hi-Density Power Connector)
- 1 x Front Panel Audio Connector (15µ Gold Audio Connector)
- 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)

*Supports in total up to 12V/3A, 36W LED Strip

Software
- ASRock Motherboard Utility (Phantom Gaming Tuning)
- ASRock Polychrome SYNC
- ASRock Key Master
- ASRock XFast LAN
UEFI
- ASRock Full HD UEFI
- ASRock Instant Flash

*These utilities can be downloaded from ASRock Live Update & APP Shop.