We use cookies to make your experience better.
                To comply with the new e-Privacy directive, you agree to the privacy policy and our use of cookies.
            
ASUS PRIME B840M-A WIFI AMD B840 Socket AM5 micro ATX
    SKU    
            90MB1J20-M0EAY0
    
        £193.09
            
    
        £160.91
                
        
    
            In stock
        
    
    
    0     available
SKU: 90MB1J20-M0EAY0
    EAN: 4711387797143
    AMD B840 Chipset,  4 x DIMM slots, max. 192GB, DDR5, 3 x M.2 slots and 4 x SATA 6Gb/s portsAMD B840 Chipset,  4 x DIMM slots, max. 192GB, DDR5, 3 x M.2 slots and 4 x SATA 6Gb/s ports
Category: Motherboards
        | Processor socket | Socket AM5 | 
|---|---|
| Component for | PC | 
| Motherboard form factor | Micro ATX | 
| Compatible processor series | AMD Ryzen 7000 Series,AMD Ryzen 8000 Series,AMD Ryzen 9000 Series | 
| SKU | 90MB1J20-M0EAY0 | 
| EAN | 4711387797143 | 
| Manufacturer | ASUS | 
| Availability | In Stock | 
| PDF URLs | View PDF | 
B840M-A WIFI
ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B840M-A WIFI motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.
ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B840M-A WIFI motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 3 | 
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 0 | 
| Front panel connector | Yes | 
| 12V power connector | Yes | 
| Supported storage drive interfaces | M.2, SATA III | 
| USB 2.0 connectors | 2 | 
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 | 
| TPM connector | Yes | 
| S/PDIF out connector | Yes | 
| Number of SATA III connectors | 4 | 
| Number of COM connectors | 1 | 
| Number of chassis fan connectors | 3 | 
| Front panel audio connector | Yes | 
| CPU fan connector | Yes | 
| ATX Power connector (24-pin) | Yes | 
| Technical details | |
| Motherboard chipset family | AMD | 
| Motherboard chipset | AMD B840 | 
| Supported processor sockets | Socket AM5 | 
| Parallel processing technology support | Not supported | 
| Motherboard form factor | micro ATX | 
| Component for | PC | 
| Audio | |
| Audio output channels | 7.1 channels | 
| Performance | |
| Number of HDDs supported | 4 | 
| Supported storage drive types | HDD & SSD | 
| Windows operating systems supported | Windows 10 x64, Windows 11 | 
| Motherboard chipset family | AMD | 
| Motherboard chipset | AMD B840 | 
| RAID levels | 0, 1, 5, 10 | 
| Supported processor sockets | Socket AM5 | 
| Audio output channels | 7.1 channels | 
| Motherboard form factor | micro ATX | 
| Component for | PC | 
| Processor | |
| Processor manufacturer | AMD | 
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series | 
| Supported processor sockets | Socket AM5 | 
| Processor socket | Socket AM5 | 
| Memory | |
| Number of memory slots | 4 | 
| Memory slots type | DIMM | 
| Supported memory types | DDR5-SDRAM | 
| Memory channels | Dual-channel | 
| Maximum internal memory | 192 GB | 
| Unbuffered memory | Yes | 
| ECC сompatibility | ECC & Non-ECC | 
| Storage controllers | |
| Number of HDDs supported | 4 | 
| Supported storage drive types | HDD & SSD | 
| Supported storage drive interfaces | M.2, SATA III | 
| RAID levels | 0, 1, 5, 10 | 
| Number of storage drives supported | 7 | 
| RAID support | Yes | 
| Graphics | |
| Parallel processing technology support | Not supported | 
| Rear panel I/O ports | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 0 | 
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1 | 
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 | 
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 0 | 
| USB 2.0 ports quantity | 4 | 
| WiFi-AP antenna jack | 1 | 
| VGA (D-Sub) ports quantity | 0 | 
| HDMI ports quantity | 1 | 
| Ethernet LAN (RJ-45) ports | 1 | 
| DVI-D ports quantity | 0 | 
| DisplayPorts quantity | 2 | 
| Network | |
|---|---|
| Ethernet LAN | Yes | 
| Wi-Fi | Yes | 
| Wi-Fi standards | Wi-Fi 6E (802.11ax) | 
| Ethernet interface type | 2.5 Gigabit Ethernet | 
| Bluetooth | Yes | 
| Bluetooth version | 5.3 | 
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) | 
| Features | |
| Windows operating systems supported | Windows 10 x64, Windows 11 | 
| Motherboard chipset family | AMD | 
| Motherboard chipset | AMD B840 | 
| Supported processor sockets | Socket AM5 | 
| Audio output channels | 7.1 channels | 
| Motherboard form factor | micro ATX | 
| Component for | PC | 
| Expansion slots | |
| Number of M.2 (M) slots | 3 | 
| PCI Express x16 (Gen 3.x) slots | 2 | 
| PCI Express x16 (Gen 4.x) slots | 1 | 
| 1st M.2 largest key size | 2280 | 
| 1st M.2 highest PCI Express generation | 4.0 | 
| 2nd M.2 largest key size | 2280 | 
| 2nd M.2 highest PCI Express generation | 4.0 | 
| 3rd M.2 largest key size | 2280 | 
| 3rd M.2 highest PCI Express generation | 3.0 | 
| BIOS | |
| BIOS type | UEFI AMI | 
| BIOS memory size | 256 Mbit | 
| Packaging data | |
| Package width | 275 mm | 
| Package depth | 275 mm | 
| Package height | 67.5 mm | 
| Package weight | 1.52 kg | 
| Software | |
| Windows operating systems supported | Windows 10 x64, Windows 11 | 
| Weight & dimensions | |
| Package width | 275 mm | 
| Package depth | 275 mm | 
| Package height | 67.5 mm | 
| Package weight | 1.52 kg | 
| Width | 244 mm | 
| Depth | 244 mm | 
| Packaging content | |
| Cables included | SATA | 
| Screws included | Yes | 
| Antenna included | Yes | 
| Other features | |
| Package width | 275 mm | 
| Package depth | 275 mm | 
| Package height | 67.5 mm | 
| Package weight | 1.52 kg | 
You may also be interested in
| Product |    Hot ProductASUS PRIME B840M-A WIFI AMD B840 Socke... 
    
        £193.09
            
    
        £160.91
        
 |    PopularASUS PRIME B550-PLUS AMD B550 Socket A... 
    
        £169.81
            
    
        £141.51
        
 |  ASUS ROG STRIX B550-F GAMING AMD B550... 
    
        £170.32
            
    
        £141.93
        
 |  GIGABYTE B550 AORUS ELITE V2 Motherboa... 
    
        £177.74
            
    
        £148.12
        
 |     RecommendedASUS ROG STRIX B550-F GAMING WIFI II A... 
    
        £187.24
            
    
        £156.03
        
 |     BestsellerMSI PRO Z790-P WIFI motherboard Intel... 
    
        £212.06
            
    
        £176.72
        
 | 
|---|---|---|---|---|---|---|
| SKU | 
                                                                                                                                90MB1J20-M0EAY0                                                                                                                         | 
                                                                                                                                90MB14U0-M0EAY0                                                                                                                         | 
                                                                                                                                90MB14S0-M0EAY0                                                                                                                         | 
                                                                                                                                B550 AORUS ELITE V2                                                                                                                         | 
                                                                                                                                90MB19V0-M0EAY0                                                                                                                         | 
                                                                                                                                PRO Z790-P WIFI                                                                                                                         | 
| Manufacturer | 
                                                                                                                                ASUS                                                                                                                         | 
                                                                                                                                ASUS                                                                                                                         | 
                                                                                                                                ASUS                                                                                                                         | 
                                                                                                                                Gigabyte                                                                                                                         | 
                                                                                                                                ASUS                                                                                                                         | 
                                                                                                                                MSI                                                                                                                         | 
| Processor manufacturer | 
                                                                                                                                AMD                                                                                                                         | 
                                                                                                                                AMD                                                                                                                         | 
                                                                                                                                AMD                                                                                                                         | 
                                                                                                                                AMD                                                                                                                         | 
                                                                                                                                AMD                                                                                                                         | 
                                                                                                                                Intel                                                                                                                         | 
| Motherboard form factor | 
                                                                                                                                micro ATX                                                                                                                         | 
                                                                                                                                ATX                                                                                                                         | 
                                                                                                                                ATX                                                                                                                         | 
                                                                                                                                ATX                                                                                                                         | 
                                                                                                                                ATX                                                                                                                         | 
                                                                                                                                ATX                                                                                                                         | 
| Processor socket | 
                                                                                                                                Socket AM5                                                                                                                         | 
                                                                                                                                Socket AM4                                                                                                                         | 
                                                                                                                                Socket AM4                                                                                                                         | 
                                                                                                                                Socket AM4                                                                                                                         | 
                                                                                                                                Socket AM4                                                                                                                         | 
                                                                                                                                LGA 1700                                                                                                                         | 
| Component for | 
                                                                                                                                PC                                                                                                                         | 
                                                                                                                                N/A                                                                                                                         | 
                                                                                                                                PC                                                                                                                         | 
                                                                                                                                PC                                                                                                                         | 
                                                                                                                                PC                                                                                                                         | 
                                                                                                                                PC                                                                                                                         | 
| Supported memory types | 
                                                                                                                                DDR5-SDRAM                                                                                                                         | 
                                                                                                                                DDR4-SDRAM                                                                                                                         | 
                                                                                                                                DDR4-SDRAM                                                                                                                         | 
                                                                                                                                DDR4-SDRAM                                                                                                                         | 
                                                                                                                                DDR4-SDRAM                                                                                                                         | 
                                                                                                                                DDR5-SDRAM                                                                                                                         | 
| Number of memory slots | 
                                                                                                                                4 to 6                                                                                                                         | 
                                                                                                                                4 to 6                                                                                                                         | 
                                                                                                                                4 to 6                                                                                                                         | 
                                                                                                                                4 to 6                                                                                                                         | 
                                                                                                                                4 to 6                                                                                                                         | 
                                                                                                                                4 to 6                                                                                                                         | 
