Asus Prime B550M-A WIFI II Ryzen AM4 Micro ATX motherboard,dual M.2, PCIe 4.0
ASUS AMD B550 PRIME B550M-A WIFI II (WI-FI) (Ryzen AM4) Micro ATX motherboard,dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, HDMI, DVI-D, D-Sub, SATA 6 G
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
- 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
- Model :PRIME B550M-A WIFI II
- CPU :AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
*Refer to Asus official site for CPU support list. - Chipset :B550
- 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/
Dual Channel Memory Architecture
* ECC memory (ECC mode) support varies by CPU.
* Refer to Asus official site for the Memory QVL (Qualified Vendors Lists
), and memory fr - 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 :2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) + BT5.2
Wi-Fi 62x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax)Supports 2.4/5GHz frequency bandBluetooth 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 Mode - BIOS :256 Mb Flash ROM, UEFI AMI BIOS
- Manageability :WOL by PME, PXE
- 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, Windows® 10 64-bit
- Form Factor :microATX
24.4cm x 24.4cm
Shipping Policy: Please note: We generally do not ship to PO BOX or Parcel locker. Please concoct us for special arrangement before you place an order for these addresses. All items will be shipped to buyer's address. If you are in a Suburb/Town, please put the Suburb/Town name on the City line directly. Please double-check your shipping address when you make the payment. Buyer is responsible for any extra postage cost caused by incorrect shipping address. All items will be shipped within 24-72 business hours upon receipt of payment. In most cases, delivery takes around 1-7 business days, it's highly depended on the efficiency of the shipping carrier. Estimated delivery date is calculated by carrier's system, delivery times may vary, especially during peak periods.
Address Changes: If you enter the incorrect name or shipping details and the item is returned to us, you will be subject to a RTS(return to sender) fee if we are unable to change the details before dispatch, and well as a reshipping fee (dependent on the items weight). We are not responsible for these changes if there is a mistake entered by the buyer. This fee is typically anticipated to be $10.50 for RTS + stander postage for re-shipment, regardless of Sale value
30 DAY MONEY BACK RETURN POLICY
If you are unhappy with your item for whatever reason, simply return it to us for a replacement, or refund.
The item must be returned in its original packaging/condition for change of mind purchases, please note a 20% deduction fee applies to any change of mind returns, minimum $10. The buyer is liable for the return postage. This also applies to orders cancelled when the item has already been dispatched from our warehouse.
Please note we only accept change of mind returns if it is returned in a saleable condition with original packaging. By saleable condition we mean that the item hasn’t been opened with factory sealed, is still in its original packaging and all manuals, packaging and accessories are included. If the item is missing the original packaging, or in the original packaging but damaged, or unsaleable condition, then unfortunately we won't accept this return. All items we sell come with a unique serial number. The serial number of the returned item must match the item we sell.
DOA Warranty Claims Policy
For items Dead on Arrival (DOA), Damaged in Transit, Faulty, or Delivered Incorrectly, please immediately contact our Customer Service team. We will assist you in resolving any concerns by possibly having the product returned in suitable packaging (preferably its original packaging).
Please Note:
A replacement or refund will be issued after the faulty item has been returned to us. Assessment may apply in some circumstances before a refund or replacement can be issued.
Standard Warranty Claims Policy
Items found to be faulty outside of the DOA period will be subject to standard warranty terms. ALL of our products are supported by a minimum 12 month return to base warranty. This warranty covers all manufacturer faults with the product. Please contact the product's manufacturer for troubleshooting first and more details about warranty terms.
Please note:
The customer will be responsible for any return postage costs.
The processing time is generally 2-4 weeks from when we receive the faulty unit.
The Warranty claim may result in a repair, new or refurbished replacement, or refund depending on manufacturer approval.
The customer should provide their invoice number and item's serial number when contacting us.


