ASRock B550M-ITX/AC (WI-FI) Motherboard

Features
B550M-ITX/ac
Supports AMD AM4 Socket Ryzen™ 3000, 4000 G-Series and 5000 Series Desktop Processors*
Supports DDR4 4733+ (OC)
1 PCIe 4.0 x16
Graphics Output: DisplayPort, HDMI
7.1 CH HD Audio (Realtek ALC887 Audio Codec)
4 SATA3, 1 Hyper M.2 (PCIe Gen4 x4 & SATA3)
6 USB 3.2 Gen1 (2 Front, 3 Rear Type-A, 1 Rear Type-C)
Realtek Gigabit LAN
Intel® 802.11ac WiFi + BT 4.2
*Not compatible with AMD Ryzen™ 5 3400G and Ryzen™ 3 3200G.
Specifications
Unique Feature
ASRock Super Alloy
– Premium 60A Power Choke
– 50A Dr.MOS
– Sapphire Black PCB
– High Density Glass Fabric PCB
Intel® 802.11ac WiFi
ASRock Full Coverage M.2 Heatsink
ASRock Hyper M.2 (PCIe Gen4x4)
ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
ASRock Live Update & APP Shop
CPU
– Supports AMD AM4 Socket Ryzen™ 3000, 4000 G-Series and 5000 Series Desktop Processors
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– Digi Power design
– 8 Power Phase design
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Not compatible with AMD Ryzen™ 5 3400G and Ryzen™ 3 3200G.
Chipset
– AMD B550
Memory
– Dual Channel DDR4 Memory Technology
– 2 x DDR4 DIMM Slots
– AMD Ryzen series CPUs (Matisse) support DDR4 4600+(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(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
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– 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
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– Max. capacity of system memory: 64GB
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– Supports Extreme Memory Profile (XMP) memory modules
– 15μ Gold Contact in DIMM Slots
SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label
DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label
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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, +1.8VSB, VDDP Voltage Multi-adjustment
Graphics
– Integrated AMD Radeon™ Vega Series Graphics in Ryzen Series APU
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– DirectX 12, Pixel Shader 5.0
– Shared memory default 2GB. Max Shared memory supports up to 16GB.
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– 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 (4096×2160) @ 60Hz
– Supports DisplayPort 1.4 Input with max. resolution up to 5K (5120×2880)@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
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Actual support may vary by CPU
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The Max shared memory 16GB requires 32GB system memory installed.
Audio
– 7.1 CH HD Audio (Realtek ALC887 Audio Codec)
– Supports Surge Protection
LAN
– 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 PXE
Wireless 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 II
Slots
AMD Ryzen series CPUs (Matisse)
– 1 x PCI Express 4.0 x16 Slot (PCIE1: x16 mode)
*
AMD Ryzen series APUs (Renoir)
– 1 x PCI Express 3.0 x16 Slot (PCIE1: x16 mode)
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– 1 x Vertical M.2 Socket (Key E) with the bundled WiFi-802.11ac PCIe WiFi module (on the rear I/O)
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Supports PCIe riser cards to extend x8/x8 slots
Supports NVMe SSD as boot disks
Storage
– 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 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen4x4 (64 Gb/s) (with Matisse) or Gen3x4 (32 Gb/s) (with Renoir)
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Supports NVMe SSD as boot disks
Supports ASRock U.2 Kit
Connector
– 1 x RGB LED Header
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– 1 x Addressable LED Header
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– 1 x CPU Fan Connector (4-pin)
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– 2 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)
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– 1 x 24 pin ATX Power Connector
– 1 x 8 pin 12V Power Connector
– 1 x Front Panel 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)
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Supports in total up to 12V/3A, 36W LED Strip
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Supports in total up to 5V/3A, 15W LED Strip
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The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
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The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.
CHA_FAN1/WP and CHA_FAN2/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
– 1 x DisplayPort 1.4
– 2 x USB 2.0 Ports (Supports ESD Protection)
– 3 x USB 3.2 Gen1 Type-A Ports (Supports ESD Protection)
– 1 x USB 3.2 Gen1 Type-C Port (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
Software and UEFI
Software
– ASRock Motherboard Utility (A-Tuning)
– ASRock Polychrome SYNC
– 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 Toolbar
Hardware Monitor
– Quick Installation Guide, Support CD, I/O Shield
– 2 x SATA Data Cables
– 2 x ASRock WiFi 2.4/5 GHz Antennas
Accessories
– 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
Form Factor
– Mini-ITX Form Factor: 6.7-in x 6.7-in, 17.0 cm x 17.0 cm
– Solid Capacitor design
OS
– Microsoft® Windows® 10 64-bit
Certifications
– FCC, CE
– ErP/EuP ready (ErP/EuP ready power supply is required)
Warranty
3 Years
Note
*** Features, Price, Specifications are subject to change without notice.