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Model
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PRIME B550M-A WIFI II
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CPU
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AMD Ryzen™ 5000 Series/ 5000
G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
*Refer to www.asus.com for CPU
support list.
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Memory
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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.
* Refer
to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory
frequency support depends on the CPU types.
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Graphics
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1 x D-Sub port
1 x DVI-D port
1 x HDMI® port**
* Graphics specifications may vary between CPU types.
** Supports 4K@60Hz as specified in HDMI 2.1.
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Expansion Slots
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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
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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
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1 x Realtek 1Gb Ethernet
ASUS LANGuard
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Wireless & Bluetooth
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Wi-Fi 6
2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Supports 2.4/5GHz frequency band
Bluetooth v5.2
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USB
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2 x USB 3.2 Gen 2 ports (2 x
Type-A)
4 x USB 3.2 Gen 1 ports (4 x
Type-A)
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
|
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
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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Back Panel I/O Ports
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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 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
2 x 4-pin Chassis Fan headers
Power related
1 x 24-pin Main Power connector
1 x 8-pin +12V Power connector
Storage related
2 x M.2 slots (Key M)
4 x SATA 6Gb/s ports
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
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 x 10-1 pin System Panel header
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Special Features
|
ASUS 5X PROTECTION
III
- DIGI+ VRM
- LANGuard
- Overvoltage Protection
- SafeSlot Core
- Stainless-Steel Back I/O
ASUS Q-Design
- Q-DIMM
- Q-Slot
ASUS Thermal Solution
- VRM heatsink design
AURA Sync
- AURA RGB headers
- Addressable Gen 2 header
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Software Features
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ASUS Exclusive Software
Armoury Crate
- AURA Creator
- AURA Sync
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
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
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BIOS
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256 Mb Flash ROM, UEFI AMI BIOS
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Manageability
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WOL by PME, PXE
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