ASRock B550M-ITX/ac Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Mini ITX (244304) ASRock B550M-ITX/ac Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Mini ITX (244304)

International Customers: All electronic products are packaged for sale in the US with US voltage.

Brand Compatibility: AMD

Product Description

This item is brand-new, factory sealed.

Supports 3rd Gen AMD AM4 Ryzen / Future AMD Ryzen 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 3.1 Gen1 (2 Front, 3 Rear Type-A, 1 Rear Type-C)

Realtek Gigabit LAN

Intel 802.11ac WiFi + BT 4.2
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 60A Power Choke

Compared to traditional chokes, ASRocks premium 60A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.
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.
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.
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 fast data transferring experience.
M.2 Armors

Good M.2 SSD protection is important for longevity and stability. ASRock provides a completed M.2 armor solution that makes SSDs to run in a certain low temperature.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 and APP ShopCPU
- Supports 3rd Gen AMD AM4 RyzenTM / future AMD RyzenTM Processorsnote1
- Digi Power design
- 8 Power Phase designNote1: Not compatible with AMD RyzenTM 5 3400G and RyzenTM 3 3200G.Chipset
- AMD B550Memory
- 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 and non-ECC, un-buffered memory
- AMD Ryzen series APUs 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 and non-ECC, un-buffered memory
- Max. capacity of system memory: 64GBnote2
- Supports Extreme Memory Profile (XMP) memory modules
- 15Mu 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 labelNote2: 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-adjustmentGraphics
- Integrated AMD RadeonTM Vega Series Graphics in Ryzen Series APUnote1
- DirectX 12, Pixel Shader 5.0
- Shared memory default 2GB. Max Shared memory supports up to 16GB.note2
- 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) at 60Hz
- Supports DisplayPort 1.4 Input with max. resolution up to 5K (5120x2880) at 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 PlayReadyNote1: Actual support may vary by CPU
Note2: The Max shared memory 16GB requires 32GB system memory installed.Audio
- 7.1 CH HD Audio (Realtek ALC887 Audio Codec)
- Supports Surge ProtectionLAN
- PCIE x1 Gigabit LAN 10/100/1000 Mb/s
- Realtek RTL8111H
- Supports Wake-On-LAN
- Supports /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 IISlots
AMD Ryzen series CPUs (Matisse)
- 1 x PCI Express 4.0 x16 Slot (PCIE1: x16 mode)note1
AMD Ryzen series APUs
- 1 x PCI Express 3.0 x16 Slot (PCIE1: x16 mode)note1
- 1 x Vertical M.2 Socket (Key E) with the bundled WiFi-802.11ac module (on the rear I/O) Note1: Supports PCIe riser cards to extend x8/x8 slots
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 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)note2Note1: Supports NVMe SSD as boot disks
Supports ASRock U.2 KitConnector
- 1 x RGB LED Headernote1
- 1 x Addressable LED Headernote2
- 1 x CPU Fan Connector (4-pin)note3
- 2 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)note4
- 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) Note1: Supports in total up to 12V/3A, 36W LED Strip
Note2: Supports in total up to 5V/3A, 15W LED Strip
Note3: The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
vNote4: 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 / MicrophoneSoftware and UEFI
Software
- ASRock Motherboard Utility (A-Tuning)
- ASRock Polychrome SYNC
- ASRock XFast LAN
UEFI
- ASRock Full HD UEFI
- ASRock Instant FlashNote: These utilities can be downloaded from ASRock Live Update and 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 AntennasHardware Monitor
- 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 VcoreForm Factor
- Mini-ITX Form Factor: 6.7-in x 6.7-in, 17.0 cm x 17.0 cm
- Solid Capacitor designOS
- Microsoft Windows 10 64-bitCertifications
- FCC, CE
- ErP/EuP ready (ErP/EuP ready power supply is required) SpecificationPhysical CharacteristicsForm FactorMini ITXWidth6.7"Depth6.7"I/O ExpansionsTotal Number of Expansion Slots1Number of PCI Express x16 Slots1Total Number of PCI Express Slots1MemoryMemory TechnologyDDR4 SDRAMNumber of Memory Slots2Memory Speed Supported

• 4733 MHz
• 4666 MHz
• 4600 MHz
• 2667 MHz
• 3200 MHz
• 2933 MHz
• 2400 MHz
• 2133 MHz
• 4533 MHz
• 4466 MHz
• 4333 MHz
• 4200 MHz
• 3800 MHz
• 3466 MHz
• 3600 MHz
• 3733 MHz
• 3866 MHz
• 4000 MHz
• 4133 MHz
• 4266 MHz
• 4400 MHz

Memory Form Factor

• Ryzen 3
• Ryzen 5
• Ryzen 7
• Ryzen 3 PRO
• Ryzen 5 Pro
• Ryzen 7 PRO
• Ryzen 9

Total Processor Supported1Processor SocketSocket AM4Chipset ModelB550Onboard InterfacesNumber of SATA Interfaces4Total Number of Onboard USB Ports4Number of Onboard USB 3.2 Ports2Number of M.2 Interfaces2Number of Onboard USB 2.0 of USB 3.2 Ports4HDMIYesNumber of USB 2.0 Ports2Total Number of USB Ports6Number of Network (RJ-45) Ports1I/O ControllerRAID SupportedYesController TypeSerial ATA/600RAID Levels

Most orders placed prior to 11AM PST ship same business day

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Expedited orders will ship 2nd Day Air

Returns

This item is eligible for return within 30 days of delivery. Opened items must be in re-sellable condition including original packaging and all accessories.

Please visit our Returns Page for more information on Excluded Items, Damage Claims, and more details on requesting RA information.

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