ASRock B550M Pro4 Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Micro ATX (244319) ASRock B550M Pro4 Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Micro ATX (244319)
International Customers: All electronic products are packaged for sale in the US with US voltage.
This item is brand-new, factory sealed.
Supports 3rd Gen AMD AM4 Ryzen / Future AMD Ryzen Processors
8 Power Phase Design, Digi Power
Supports DDR4 4733+ (OC)
1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 1 PCIe 3.0 x1, 1 M.2 Key E for WiFi
Graphics Output Options: HDMI, DisplayPort, D-Sub
AMD CrossFireX
7.1 CH HD Audio (Realtek ALC1200 Audio Codec), Nahimic Audio
6 SATA3, 1 Hyper M.2 (PCIe Gen4 x4), 1 M.2 (PCIe Gen3 x2 & SATA3)
2 USB 3.2 Gen2 (Rear Type A+C), 8 USB 3.2 Gen1 (4 Front, 4 Rear)
Realtek Gigabit LAN
Unique Feature
ASRock USB 3.2 Gen2
- ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s)
- ASRock USB 3.2 Gen2 Type-C Port (10 Gb/s) ASRock Super Alloy
- XXL Aluminum Alloy Heatsink
- Premium 50A Power Choke
- Sapphire Black PCB
- High Density Glass Fabric PCB
- 2oz Copper PCB
ASRock Steel Slot Gen4
ASRock Full Coverage M.2 Heatsink
ASRock Hyper M.2 (PCIe Gen4x4)
ASRock POST Status Checker (PSC)
ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
ASRock Live Update and APP Shop CPU
- Supports 3rd Gen AMD AM4 RyzenTM / future AMD RyzenTM Processors
- Digi Power design
- 8 Power Phase design
Not compatible with AMD RyzenTM 5 3400G and RyzenTM 3 3200G. Chipset
- AMD B550 Memory
- Dual Channel DDR4 Memory Technology
- 4 x DDR4 DIMM Slots
- 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 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: 128GB
- Supports Extreme Memory Profile (XMP) memory modules
- 15micro Gold Contact in DIMM Slots
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-adjustment Graphics
- Integrated AMD RadeonTM Vega Series Graphics in Ryzen Series APU
- DirectX 12, Pixel Shader 5.0
- Shared memory default 2GB. Max Shared memory supports up to 16GB.
- Three graphics output options: D-Sub, HDMI and DisplayPort 1.4
- Supports Triple Monitor
- Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) at 60Hz
- Supports DisplayPort 1.4 with max. resolution up to 5K (5120x2880) at 120Hz
- Supports D-Sub with max. resolution up to 1920x1200 at 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 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.Audio
- 7.1 CH HD Audio with Content Protection (Realtek ALC1220 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 /ESD Protection
- Supports Energy Efficient Ethernet 802.3az
- Supports PXE Slots
AMD Ryzen series CPUs (Matisse)
- 2 x PCI Express x16 Slots (PCIE1: Gen4x16 mode PCIE3: Gen3 x4 mode)
AMD Ryzen series APUs
- 2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode PCIE3: Gen3 x4 mode)br>- 2 x PCI Express 3.0 x1 Slots
- 1 x PCI Express 3.0 x1 Slot
- Supports AMD Quad CrossFireXTM and CrossFireXTM
- 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module
Supports NVMe SSD as boot disks Storage
- 6 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 M.2 Socket (M2_2), supports M Key type 2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb/s)
M2_2 and SATA3_5_6 share lanes. If either one of them is in use, the other one will be disabled.
Supports NVMe SSD as boot disks
Supports ASRock U.2 Kit Connector
- 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 Front Panel Audio Connector
- 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)
- 2 x USB 3.2 Gen1 Headers (Support 4 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_3A, CHA_FAN1/WP, CHA_FAN2/WP, CHA_FAN3/WP, CHA_FAN4/WP and CHA_FAN5/WP can auto detect if 3-pin or 4-pin fan is in use. Rear Panel I/O
- Antenna Bracket
- 1 x PS/2 Mouse/Keyboard Portt
- 1 x D-Sub Port
- 1 x HDMI Port
- 1 x DisplayPort 1.4
- 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection)
- 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection)
- 4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection)
- 2 x USB 2.0 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 Software and UEFI
Software
- ASRock Motherboard Utility (A-Tuning)
- ASRock XFast LAN
UEFI
- ASRock Full HD UEFI
- ASRock Instant Flash
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 Screws for M.2 Sockets 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 Vcore, CPU VDDCR_SOC, DRAM, VPPM, CPU VDD 1.8V SpecificationOnboard InterfacesNumber of SATA Interfaces6Total Number of Onboard USB Ports8Number of Onboard USB 3.2 Ports4Number of M.2 Interfaces3Number of Onboard USB 2.0 Ports4Physical CharacteristicsForm FactorMicro ATXWidth9.6"Depth9.6"I/O ExpansionsNumber of PCI Express x1 Slots1Total Number of Expansion Slots3Number of PCI Express x16 Slots2Total Number of PCI Express of USB 3.2 Ports6HDMIYesNumber of USB 2.0 Ports2Total Number of USB Ports8Number of Network (RJ-45) Ports1MemoryMemory TechnologyDDR4 SDRAMNumber of Memory Slots4Memory 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 ModelB550Network & CommunicationGigabit EthernetYesAudioAudio Channels7.1 Shipping
Most orders placed prior to 11AM PST ship same business day
Some lightweight items ship Postal and can be shipped to a PO BOX. Most other orders will ship via UPS or FedEx. Please note we cannot ship UPS or FedEx to PO Box addresses.
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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Founded in August 2002, Beach Audio´s mission is to provide the best experience on the Internet for buying Consumer Electronics. We focus on making purchasing online a pleasant experience. We offer flat rate Ground shipping on all items less than 75 pounds that can be shipped via common carrier. Our sales office is located in beautiful town of Redondo Beach, California, just a few miles South of Los Angeles International Airport. We do not stock any inventory at our sales office. Instead, we ship from several warehouses located throughout the country. Our sophisticated fulfillment system will automatically ship from the warehouse location that is closest to your shipping address! Why are our prices so low? It´s simple. We have modeled our business much like a wholesaler. We sell in huge volume and have streamlined our operations to provide you with the best combination of price and service available anywhere.
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