ASUS PRIME B840-PLUS WIFI ATX Motherboard | AM5 | 4x DDR5 Slots | Wi-Fi 6E
KEY FEATURES
- AMD Socket AM5 AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
- PC ATX AMD B840 7.1 channels
- DDR5-SDRAM 4 DIMM Maximum internal memory: 192 GB
- HDD & SSD M.2, SATA III RAID support Number of storage drives supported: 7
- BIOS type: UEFI AMI 256 Mbit
- 2.5 Gigabit Ethernet Wi-Fi Wi-Fi 6E (802.11ax) Bluetooth 5.3
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Frequently Asked Questions
What processors are compatible with the ASUS PRIME B840-PLUS WIFI?
How much memory can the motherboard support?
Does it support Wi-Fi connectivity?
ASUS PRIME B840-PLUS WIFI ATX Motherboard | AM5 | 4x DDR5 Slots | Wi-Fi 6E
Description
The ASUS PRIME B840-PLUS WIFI is a full-size ATX motherboard built around AMD's B840 chipset for Socket AM5 processors. This mainstream board supports all current AMD Ryzen 7000, 8000, and 9000 series processors, making it a solid foundation for modern AMD builds. With Wi-Fi built in and comprehensive connectivity options, it removes the need for separate wireless adapters while offering room for future expansion in a standard ATX case.
Memory support extends to DDR5 across four DIMM slots, with a maximum capacity of 192GB - more than enough for demanding workloads and future upgrades. The board includes three M.2 slots for fast NVMe storage: two support PCIe 4.0 speeds for maximum performance, while the third runs at PCIe 3.0. A single PCIe x16 slot handles graphics cards, plus there's an additional PCIe x1 slot for expansion cards. The integrated Wi-Fi eliminates cable runs to your router, particularly useful in ATX builds where the case might sit away from your desk.
ASUS includes the essential installation hardware in the box: an I/O shield for the rear panel, mounting screws, and a Wi-Fi antenna for wireless connectivity. The board supports both ECC and standard non-ECC memory configurations, giving flexibility for workstation builds alongside gaming systems. Memory overclocking through EXPO profiles helps extract maximum performance from high-speed DDR5 kits, while the B840 chipset provides the core features most users need without premium-tier complexity.
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Shipping Information
- Next Business Day: £6.99
- 2 days Delivery: £4.99
- 3- 5 Days Shipping: £3.99
- Orders Over £99.00: Free Standard Delivery
| Processor | |
|---|---|
| Processor manufacturer | AMD |
| Processor socket | Socket AM5 |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Supported processor sockets | Socket AM5 |
| Memory | |
|---|---|
| Supported memory types | DDR5-SDRAM |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| ECC сompatibility | ECC & Non-ECC |
| Maximum internal memory | 192 GB |
| Unbuffered memory | Yes |
| Storage controllers | |
|---|---|
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III |
| Number of storage drives supported | 7 |
| Number of HDDs supported | 4 |
| RAID support | Yes |
| RAID levels | 0, 1, 5, 10 |
| Graphics | |
|---|---|
| Parallel processing technology support | Not supported |
| On-board graphics card | No |
| Internal I/O | |
|---|---|
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| 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 chassis fan connectors | 4 |
| Chassis intrusion connector | Yes |
| 12V power connector | Yes |
| Thunderbolt headers | 1 |
| TPM connector | Yes |
| Number of COM connectors | 1 |
| Rear panel I/O ports | |
|---|---|
| USB 2.0 ports quantity | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 1 |
| WiFi-AP antenna jack | 1 |
| Network | |
|---|---|
| Ethernet LAN | Yes |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Wi-Fi | Yes |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
| Wi-Fi standards | Wi-Fi 6E (802.11ax) |
| Bluetooth | Yes |
| Bluetooth version | 5.3 |
| Features | |
|---|---|
| Component for | PC |
| Motherboard form factor | ATX |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B840 |
| Audio output channels | 7.1 channels |
| Product colour | Aluminium, Black |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Expansion slots | |
|---|---|
| PCI Express x1 (Gen 3.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 3.x) slots | 3 |
| Number of M.2 (M) slots | 3 |
| 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 | 353 mm |
| Package depth | 273 mm |
| Package height | 68 mm |
| Package weight | 1.26 kg |
| Weight & dimensions | |
|---|---|
| Width | 305 mm |
| Depth | 244 mm |
| Packaging content | |
|---|---|
| Antenna included | Yes |
| Screws included | Yes |
| Cables included | SATA |
Frequently Asked Questions
What processors are compatible with the ASUS PRIME B840-PLUS WIFI?
How much memory can the motherboard support?
Does it support Wi-Fi connectivity?
What storage options are available?
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