Description
B550M/ac
- Supports AMD AM4 Socket Ryzen™ 3000, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors*
- Supports DDR4 4733+ (OC)
- 1 x PCIe 4.0 x16, 1 x PCIe 3.0 x16, 1 x PCIe 3.0 x1
- Graphics Output Options: HDMI
- 7.1 CH HD Audio with Content Protection (Realtek ALC1220/ALC1200 Audio Codec), Nahimic Audio
- 4 x SATA3, 1 x Hyper M.2 (PCIe Gen4 x4)
- 8 x USB 3.2 Gen1 (4 x Rear, 4 x Front)
- 6 x USB 2.0 (2 x Rear, 4 x Front)
- Realtek Gigabit LAN
- Intel® 802.11ac WiFi Module + BT 4.2
Specification:
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CPU
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- Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors* - Digi Power design - 8 Power Phase design |
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Chipset
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- AMD B550 |
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Memory
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- Dual Channel DDR4 Memory Technology - 4 x DDR4 DIMM Slots - Max. capacity of system memory: 128GB** - Supports Extreme Memory Profile (XMP) memory modules - 15μ Gold Contact in DIMM Slots |
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BIOS
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- 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 Voltage Multi-adjustment |
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Graphics
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- 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 (4096x2160) @ 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 |
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Audio
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- 7.1 CH HD Audio with Content Protection (Realtek ALC1220/ALC1200 Audio Codec) - Premium Blu-ray Audio support - Supports Surge Protection - PCB Isolate Shielding - Nahimic Audio |
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LAN
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- 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 |
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Wireless LAN
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- 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 |
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Slots
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AMD 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)* - 1 x PCI Express 3.0 x1 Slot - Supports AMD Quad CrossFireX™ and CrossFireX™ - 1 x M.2 Socket (Key E) with the bundled WiFi-802.11ac PCIe WiFi module |
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Storage
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- 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 Vermeer, Matisse) or Gen3x4 (32 Gb/s) (with Cezanne and Renoir)* |
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Connector
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- 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)*** - 3 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) |
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Rear Panel I/O
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- 2 x Antenna Ports - 1 x PS/2 Mouse/Keyboard Port - 1 x HDMI Port - 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 |
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Software and UEFI
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Software - ASRock Motherboard Utility (A-Tuning) - ASRock Polychrome SYNC - ASRock XFast LAN UEFI - ASRock Full HD UEFI - ASRock Instant Flash |
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Form Factor
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- Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm - Solid Capacitor design - 2oz Copper PCB |
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OS
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- Microsoft® Windows® 10 64-bit / 11 64-bit |
