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
- Intel802.11ac WiFi Module + BT 4.2
Specification:
| CPU | – 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 |
| Chipset | – AMD B550 |
| Memory | – Dual Channel DDR4 Memory Technology – 4 x DDR4 DIMM Slots – Max. capacity of system memory: 128GB** – Supports Extreme Memory Profile (XMP) memory modules – 15 Gold Contact in DIMM Slots |
| 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 Voltage Multi-adjustment |
| Graphics | – 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 MicrosoftPlayReady |
| Audio | – 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 |
| 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 | – Intel802.11ac 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 (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 |
| 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 PCI Express module up to Gen4x4 (64 Gb/s) (with Vermeer, Matisse) or Gen3x4 (32 Gb/s) (with Cezanne and Renoir)* |
| 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)*** – 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) |
| Rear Panel I/O | – 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 |
| Software and UEFI | Software – ASRock Motherboard Utility (A-Tuning) – ASRock Polychrome SYNC – ASRock XFast LAN UEFI – ASRock Full HD UEFI – ASRock Instant Flash |
| Form Factor | – Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm – Solid Capacitor design – 2oz Copper PCB |
| OS | – MicrosoftWindows10 64-bit / 11 64-bit |
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