| Component |
Specification |
| Model |
PRIME B550M-A WIFI II |
| CPU |
AMD Ryzen™ 5000 Series/5000 G-Series/4000 G-Series/3000 Series Desktop Processors |
|
*Refer to www.asus.com for the CPU support list. |
| 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. |
|
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types. |
| Graphics |
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. |
| 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 |
| 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 |
| Ethernet |
1 x Realtek 1Gb Ethernet |
|
ASUS LANGuard |
| Wireless & Bluetooth |
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 |
| USB |
Rear USB: Total 6 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) |
|
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 |
| 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. |
| 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 |
| Internal I/O Connectors |
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 |
| 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 |
| Software Features |
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 |
