ASROCK B550 Phantom Gaming 4/AC Motherboard

• Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop 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
• *Not compatible with AMD Athlon™ Processors.

*Not compatible with AMD Athlon™ ProcessorsChipsetAMD B550Memory- Dual Channel DDR4 Memory Technology
– 4 x DDR4 DIMM Slots
– AMD Ryzen series CPUs (Vermeer) 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 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 (Cezanne) 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*
– 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*
– AMD Ryzen series APUs (Picasso) support 3400+(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory*
– Max. capacity of system memory: 128GB**
– Supports Extreme Memory Profile (XMP) memory modules
– 15μ Gold Contact in DIMM Slots

*For Ryzen Series APUs (Picasso, Cezanne and Renoir), ECC is only supported with PRO CPUs.
Please refer to below table for AMD non-XMP memory frequency support. For more details.

SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label x=1 or 2
DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label

**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.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, VPPM, 1.05V_PROM_S5, 2.5V_PROM, +1.8VSB, VDDP Voltage Multi-adjustmentGraphics- 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.**
– Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096×2160) @ 60Hz
– 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 Port***
– Supports 4K Ultra HD (UHD) playback with HDMI 2.1 Port
– Supports Microsoft® PlayReady

*Actual support may vary by CPU

**The Max shared memory 16GB requires 32GB system memory installed.

***Picasso supports HDCP 2.2 with HDMI 2.0 PortAudio- 7.1 CH HD Audio with Content Protection (Realtek ALC1200 Audio Codec)
– Premium Blu-ray Audio support
– Supports Surge Protection
– PCB Isolate Shielding
– Individual PCB Layers for R/L Audio Channel
– Nahimic AudioLAN- PCIE x1 Gigabit LAN 10/100/1000 Mb/s
– Realtek RTL8111H
– Supports Wake-On-LAN
– Supports Lightning/ESD Protection
– Supports Energy Efficient Ethernet 802.3az
– Supports PXEWireless LAN- Intel® 802.11ac WiFi Module
– Supports IEEE 802.11a/b/g/n/ac
– Supports Dual-Band (2.4/5 GHz)
– Supports high speed wireless connections up to 433Mbps
– Supports Bluetooth 4.2 + High speed class IISLOTSAMD Ryzen series CPUs (Vermeer and Matisse)
– 2 x PCI Express x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)*
AMD Ryzen series APUs (Cezanne and Renoir)
– 2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)*
AMD Ryzen series APUs (Picasso)
– 2 x PCI Express x16 Slots (PCIE1: Gen3x8 mode; PCIE3: Gen3 x4 mode)*

– 2 x PCI Express 3.0 x1 Slots
– Supports AMD Quad CrossFireX™ and CrossFireX™
– 1 x M.2 Socket (Key E) with the bundled WiFi-802.11ac PCIe WiFi module

*Supports NVMe SSD as boot disksStorage- 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 2260/2280/22110 M.2 PCI Express module up to Gen4x4 (64 Gb/s) (with Vermeer, Matisse) or Gen3x4 (32 Gb/s) (with Cezanne, Renoir and Picasso)*

*Supports NVMe SSD as boot disks
Supports ASRock U.2 KitConnector- 1 x COM Port Header
– 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)***
– 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 24 pin ATX Power Connector
– 1 x 8 pin 12V Power Connector
– 1 x 4 pin 12V Power Connector
– 1 x Front Panel Audio Connector
– 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)

*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.Rear Panel I/O- 2 x Antenna Ports
– 1 x PS/2 Mouse/Keyboard Port
– 1 x HDMI Port
– 6 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 / MicrophoneSoftware and UEFISoftware
– 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.Support CD- Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and ToolbarAccessories- 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 SocketHardware 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, VDDPForm Factor- ATX Form Factor: 12.0-in x 9.6-in, 30.5 cm x 24.4 cm
– Solid Capacitor design
– 2oz Copper PCBOS- Microsoft® Windows® 10 64-bit / 11 64-bitCertifications- FCC, CE
– ErP/EuP ready (ErP/EuP ready power supply is required)Warranty3 YearNote*Price, feature and specifications are subject to change without notice.