ASUS PRIME B840M-R AMD B840 Socket AM5 micro ATX
ASUS PRIME B840M-R, AMD, Socket AM5, AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series, DDR5-SDRAM,...Read full description ↓
| Date | Price |
|---|---|
| 22 May 2026 | £108.99 |
| 23 May 2026 | £97.99 |
| 25 May 2026 | £97.99 |
| 3 June 2026 | £101.98 |
| 10 June 2026 | £101.98 |
| 15 June 2026 | £101.98 |
| 29 June 2026 | £101.98 |
| 2 July 2026 | £101.98 |
| 6 July 2026 | £101.98 |
| 7 July 2026 | £101.98 |
| 27 July 2026 | £101.98 |
| 28 July 2026 | £101.98 |
| 31 July 2026 | £98.99 |
| 3 August 2026 | £101.96 |
| 4 August 2026 | £98.99 |
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Product Information
ASUS PRIME B840M-R. Processor manufacturer: AMD, Processor socket: Socket AM5, Compatible processor series: AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series. Supported memory types: DDR5-SDRAM, Maximum internal memory: 128 GB, Memory slots type: DIMM. Supported storage drive interfaces: M.2, SATA III, Supported storage drive types: HDD & SSD, RAID levels: 0, 1, 5, 10. USB connector type: USB Type-A. Ethernet interface type: Gigabit Ethernet
Product
- Name
- ASUS PRIME B840M-R AMD B840 Socket AM5 micro ATX
- Category
- Motherboards
- Brand
- ASUS
Weight & dimensions
- Width
- 236 mm
- Depth
- 229 mm
- Height
- 36.5 mm
Memory
- Supported memory types
- DDR5-SDRAM
- Number of memory slots
- 2
- Maximum internal memory
- 128 GB
- Memory slots type
- DIMM
- Memory channels
- Dual-channel
- ECC сompatibility
- Non-ECC
- Supported memory clock speed (max)
- 7600 MHz
- Unbuffered memory
- Yes
Processor
- Processor manufacturer
- AMD
- Processor socket
- Socket AM5
- Compatible processor series
- AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series
Rear panel I/O ports
- USB 2.0 ports quantity
- 2
- USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 4
- USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
- 0
- USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
- 0
- USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
- 0
- Ethernet LAN (RJ-45) ports
- 1
- VGA (D-Sub) ports quantity
- 0
- HDMI ports quantity
- 1
- DVI-D ports quantity
- 0
- PS/2 ports quantity
- 1
- DisplayPorts quantity
- 1
- Headphone outputs
- 1
- Line-in
- Yes
- Microphone in
- Yes
- USB connector type
- USB Type-A
Internal I/O
- USB 2.0 connectors
- 2
- USB 3.2 Gen 1 (3.1 Gen 1) connectors
- 1
- USB 3.2 Gen 2 (3.1 Gen 2) connectors
- 0
- Number of SATA III connectors
- 4
- S/PDIF out connector
- Yes
- Front panel audio connector
- Yes
- ATX Power connector (24-pin)
- Yes
- CPU fan connector
- Yes
- Number of CPU fan connectors
- 1
- Number of chassis fan connectors
- 2
- EPS power connector (8-pin)
- Yes
- Number of COM connectors
- 1
- TPM connector
- Yes
- 12V power connector
- Yes
Network
- Wi-Fi
- No
- Ethernet LAN
- Yes
- Ethernet interface type
- Gigabit Ethernet
Expansion slots
- PCI Express x1 (Gen 3.x) slots
- 1
- Number of M.2 (M) slots
- 2
- 1st M.2 largest key size
- 2280
BIOS
- BIOS type
- UEFI AMI
- BIOS memory size
- 256 Mbit
Other features
- Weight
- 563 g
Graphics
- Parallel processing technology support
- Not supported
Features
- Component for
- PC
- Motherboard form factor
- micro ATX
- Motherboard chipset family
- AMD
- Motherboard chipset
- AMD B840
- Audio output channels
- 7.1 channels
- Product colour
- Multicolour
- Windows operating systems supported
- Windows 11, Windows 10 x64
Storage controllers
- Supported storage drive interfaces
- M.2, SATA III
- Supported storage drive types
- HDD & SSD
- Number of HDDs supported
- 4
- Number of storage drives supported
- 6
- RAID support
- Yes
- RAID levels
- 0, 1, 5, 10
Packaging data
- Package width
- 260 mm
- Package depth
- 270 mm
- Package height
- 51.5 mm
- Package weight
- 924 g
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