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ASUS
PRIME B840M-R AMD B840 Socket AM5 micro ATX
MotherboardsAt a glance
Full specification ↓- Chipset
- AMD B840
- CPU socket
- Socket AM5
- Form factor
- micro ATX
- Supported memory types
- DDR5-SDRAM
- Max memory
- 128 GB
- Memory slots type
- DIMM
£100.03inc. VAT
£83.36 ex VAT
In stockDispatched from UK distributor stock
1
- UK delivery direct from distributor stock. Delivery details
- 14-day returns under your statutory cancellation rights. Returns policy
- Secure checkout powered by Stripe.
About this product
ASUS PRIME B840M-R, AMD, Socket AM5, AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series, DDR5-SDRAM, 128 GB, DIMM
Prime B840M-R
ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B840M-R 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-R 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.
Key features
- AMD Socket AM5 AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series
- PC micro ATX AMD B840 7.1 channels
- DDR5-SDRAM 2 DIMM Maximum internal memory: 128 GB
- HDD & SSD M.2, SATA III RAID support Number of storage drives supported: 6
- BIOS type: UEFI AMI 256 Mbit
- Gigabit Ethernet
Full specification
66 specifications
- BIOS memory size
- 256 Mbit
- BIOS type
- UEFI AMI
- 1st M.2 largest key size
- 2280
- Number of M.2 (M) slots
- 2
- PCI Express x16 (Gen 4.x) slots
- 1
- PCI Express x1 (Gen 3.x) slots
- 1
- Windows operating systems supported
- Windows 11, Windows 10 x64
- Motherboard chipset family
- AMD
- Motherboard form factor
- micro ATX
- Component for
- PC
- Product colour
- Multicolour
- Audio output channels
- 7.1 channels
- Motherboard chipset
- AMD B840
- Parallel processing technology support
- Not supported
- Number of COM connectors
- 1
- TPM connector
- Yes
- 12V power connector
- Yes
- EPS power connector (8-pin)
- Yes
- Number of chassis fan connectors
- 2
- Number of CPU fan connectors
- 1
- CPU fan connector
- Yes
- ATX Power connector (24-pin)
- Yes
- Front panel audio connector
- Yes
- S/PDIF out connector
- Yes
- Number of SATA III connectors
- 4
- USB 3.2 Gen 1 (3.1 Gen 1) connectors
- 1
- USB 2.0 connectors
- 2
- Unbuffered memory
- Yes
- Maximum internal memory
- 128 GB
- Supported memory clock speed (max)
- 7600 MHz
- ECC сompatibility
- Non-ECC
- Memory channels
- Dual-channel
- Memory slots type
- DIMM
- Number of memory slots
- 2
- Supported memory types
- DDR5-SDRAM
- Top Wi-Fi standard
- Not available
- Wi-Fi
- No
- Ethernet interface type
- Gigabit Ethernet
- Ethernet LAN
- Yes
- Weight
- 563 g
- Compatible processor series
- AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series
- Processor socket
- Socket AM5
- Processor manufacturer
- AMD
- USB connector type
- USB Type-A
- Microphone in
- Yes
- Line-in
- Yes
- Headphone outputs
- 1
- DisplayPorts quantity
- 1
- HDMI ports quantity
- 1
- PS/2 ports quantity
- 1
- Ethernet LAN (RJ-45) ports
- 1
- USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 4
- USB 2.0 ports quantity
- 2
- RAID levels
- 0, 1, 5, 10
- RAID support
- Yes
- Number of HDDs supported
- 4
- Number of storage drives supported
- 6
- Supported storage drive interfaces
- M.2, SATA III
- Supported storage drive types
- HDD & SSD
- Height
- 36.5 mm
- Depth
- 229 mm
- Width
- 236 mm
- Package weight
- 924 g
- Package height
- 51.5 mm
- Package depth
- 270 mm
- Package width
- 260 mm
Delivery & returns
- Delivery
- UK delivery direct from distributor stock. Delivery details
- Returns
- 14 days to change your mind under your statutory cancellation rights. Returns policy
- Warranty
- Warranty terms — contact support with the part code.
- Payment
- Secure checkout powered by Stripe.
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