ASUS
ASUS Prime B550M-A WIFI II mATX AM4 Motherboard
$219.00
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AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, HDMI, DVI-D, D-Sub, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura Sync RGB lighting support
ASUS Prime series is expertly engineered to unleash the full potential of 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.
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FEATURES
- AMD AM4 Socket: Ready for Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
- Comprehensive Cooling: VRM heatsink, PCH heatsink, hybrid fan headers, and Fan Xpert 2+ utility
- Ultrafast Connectivity: Dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A support
- Aura Sync RGB Lighting: Onboard addressable Gen 2 header and RGB headers for RGB LED strips, easily synced with Aura Sync-capable hardware
Technical Specifications:
- CPU: AMD AM4 Socket for AMD Ryzen™ 5000 and 3000 Series/ 5000 and 4000 G-Series Desktop Processors
- Chipset: AMD B550 Chipset
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Memory:
- 4 x DIMM, Max. 128GB, DDR4
- 4866(OC)/4800(OC)/4600(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133, Un-buffered Memory
- Dual Channel Memory Architecture
- ECC memory (ECC mode) support varies by CPU.
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Graphics:
- 1 x D-Sub
- 1 x D-Sub port
- 1 x DVI-D port
- 1 x HDMI® port
- Supports 4K@60Hz as specified in HDMI 2.1.
- Graphics specifications may vary between CPU types.
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Expansion Slots:
- AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors: 1 x PCIe 4.0 x16 slot (supports x16 mode)
- AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors: 1 x PCIe 3.0 x16 slot (supports x16 mode)
- AMD B550 Chipset: 2 x PCIe 3.0 x1 slots
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Storage:
- Supports 2 x M.2 slots and 4 x SATA 6Gb/s ports
- AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors: M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes)
- AMD Ryzen™ 4000 G-Series Desktop Processors: M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)
- AMD B550 Chipset: M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes)
- 4 x SATA 6Gb/s ports
- Support RAID 0, 1, 10
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Ethernet:
- 1 x Realtek 1Gb Ethernet
- ASUS LANGuard
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Wireless & Bluetooth:
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Wi-Fi 6:
- 2×2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
- Supports 2.4/5GHz frequency band
- Bluetooth v5.2
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Wi-Fi 6:
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USB:
- 2 x USB 3.2 Gen 2 ports (2 x Type-A)
- 4 x USB 3.2 Gen 1 ports (4 x Type-A)
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Front USB: Total 6 ports
- 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
- 2 x USB 2.0 headers support additional 4 USB 2.0 ports
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Audio:
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Realtek 7.1 Surround Sound High Definition Audio CODEC:
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback
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Audio Features:
- Audio Shielding
- LED-illuminated audio trace path design
- Premium audio capacitors
- Dedicated audio PCB layers
- A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.
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Realtek 7.1 Surround Sound High Definition Audio CODEC:
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Back Panel I/O Ports:
- 2 x USB 3.2 Gen 2 ports (2 x Type-A)
- 4 x USB 3.2 Gen 1 ports (4 x Type-A)
- 1 x D-Sub port
- 1 x DVI-D port
- 1 x HDMI® port
- 1 x Wi-Fi Module
- 1 x Realtek 1Gb Ethernet port
- 3 x Audio jacks
- 1 x PS/2 Keyboard/Mouse combo port
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Internal I/O Connectors:
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Fan and Cooling related:
- 1 × 4-pin CPU Fan header
- 1 × 4-pin CPU OPT Fan header
- 2 × 4-pin Chassis Fan headers
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Power related:
- 1 × 24-pin Main Power connector
- 1 × 8-pin +12V Power connector
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Storage related:
- 2 x M.2 slots (Key M)
- 4 x SATA 6Gb/s ports
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USB:
- 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
- 2 x USB 2.0 headers support additional 4 USB 2.0 ports
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Miscellaneous:
- 1 x Addressable Gen 2 header
- 2 x AURA RGB headers
- 1 x Clear CMOS header
- 1 x COM Port header
- 1 x Front Panel Audio header (AAFP)
- 1 x S/PDIF Out header
- 1 x Speaker header
- 1 x SPI TPM header (14–1pin)
- 1 × 10–1 pin System Panel header
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Fan and Cooling related:
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Special Features:
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ASUS 5X PROTECTION III:
- DIGI+ VRM
- LANGuard
- Overvoltage Protection
- SafeSlot Core
- Stainless-Steel Back I/O
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ASUS Q-Design:
- Q-DIMM
- Q-Slot
- ASUS Thermal Solution: VRM heatsink design
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AURA Sync:
- AURA RGB headers
- Addressable Gen 2 header
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ASUS 5X PROTECTION III:
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Software Features:
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ASUS Exclusive Software:
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Armoury Crate:
- AURA Creator
- AURA Sync
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Armoury Crate:
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AI Suite 3:
- Performance and Power Saving Utility
- TurboV EVO
- EPU
- DIGI+ VRM
- Fan Xpert 2+
- EZ update
- Lighting Control
- ASUS CPU-Z
- AI Charger
- DAEMON Tools
- MyASUS
- Norton Anti-virus software (Free Trial version)
- WinRAR
- UEFI BIOS
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ASUS EZ DIY:
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
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ASUS Exclusive Software:
- BIOS: 256 Mb Flash ROM, UEFI AMI BIOS
- Manageability: WOL by PME, PXE
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Accessories:
- Cables: 2 x SATA 6Gb/s cables
- Miscellaneous:
- 1 x ASUS Wi-Fi moving antennas
- 1 x I/O Shield
- 1 x M.2 SSD screw package
- Installation Media: 1 x Support DVD
- Documentation: 1 x User manual
- Operating System: Windows® 11 64-bit, Windows® 10 64-bit
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Form Factor:
- microATX
- 24.4cm x 24.4cm
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