# Motherboard ASUS PRIME B840-PLUS WIFI ATX — AMD B840, Socket AM5, DDR5, 4x DIMM, 192GB, Wi‑Fi 6E, 2.5Gb LAN, 3x M.2

**URL:** https://aio.lv/en/product--asus-90mb1iz0-m0eay0--11227451
**Data updated:** 2026-01-21 11:08 (EET)
**Category:** Motherboards
**Manufacturer:** Asus
**Manufacturer code:** 90MB1IZ0-M0EAY0
**EAN:** 4711387797273
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 137.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 114.04 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-90mb1iz0-m0eay0--11227451

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

ASUS PRIME B840-PLUS WIFI is an ATX motherboard for Socket AM5 processors (AMD Ryzen 7000 series) based on the AMD B840 chipset. It supports DDR5 memory up to 192 GB across 4 DIMM slots (dual-channel), offers Wi‑Fi 6E and Bluetooth 5.3, 2.5 Gb Ethernet, 3 M.2 slots (PCIe 4.0/3.0), 4 SATA III ports, multiple USB ports including Type-C, onboard 7.1 audio and UEFI AMI BIOS. Suitable for desktop builds, productivity and light workstation use with RAID and ECC support.

## Long description

The ASUS PRIME B840-PLUS WIFI is an ATX motherboard with AMD B840 chipset and Socket AM5, designed for AMD Ryzen 7000, 8000 and 9000 series processors. It supports DDR5 memory up to 192 GB across four DIMM slots, multiple PCI Express slots and a range of storage interfaces including M.2 and SATA III with RAID 0/1/5/10 support. Built-in 2.5 Gigabit Ethernet and Wi‑Fi 6E (802.11ax) provide high-speed wired and wireless connectivity, and the board includes features and firmware intended to support advanced AI PC workloads.
Advantages
The PRIME B840-PLUS WIFI combines an AM5 socket and B840 chipset to support the latest Ryzen processors while offering DDR5 memory support for improved bandwidth. Integrated networking options—2.5 Gb Ethernet and Wi‑Fi 6E—enable fast local and wireless connections. Multiple M.2 and SATA III ports allow flexible storage configurations with hardware RAID options. The ATX form factor and a variety of PCIe slots provide expansion capability for graphics, NVMe storage and add-in cards.
Suitable for
Building a desktop PC with AMD Ryzen 7000/8000/9000 series CPUs
Systems requiring fast wired and wireless networking (2.5 GbE and Wi‑Fi 6E)
Workstations or home PCs that need multiple NVMe and SATA drives or RAID
Users who plan to add discrete GPUs and expansion cards in an ATX chassis
Key specifications
Form factor: ATX
Chipset: AMD B840
CPU socket: Socket AM5 (supports Ryzen 7000/8000/9000 series)
Memory: DDR5, 4 DIMM slots, up to 192 GB
PCIe slots: 3 x PCIe x16 (Gen 3.x), 1 x PCIe x1 (Gen 3.x)
Storage: M.2 and SATA III interfaces; RAID levels 0, 1, 5, 10 supported
Networking: 2.5 Gigabit Ethernet, Wi‑Fi 6E (802.11ax)
How to use
Install a compatible AM5 CPU and DDR5 modules into the appropriate socket and DIMM slots, secure the motherboard in an ATX case, and connect power supply cables to the 24‑pin and CPU headers. Populate M.2 or SATA drives as needed and configure RAID in the firmware if required. Connect peripherals to available PCIe slots and use the rear I/O for network and USB connections. Update the BIOS/UEFI and drivers from the ASUS support site to ensure full compatibility with Ryzen processors and Wi‑Fi 6E functionality.
Usage recommendations
For stable performance with high-speed memory and networking features, use high-quality DDR5 modules rated for your intended workloads, a compatible power supply with adequate CPU power connectors, and the latest BIOS version provided by ASUS. When using RAID or multiple NVMe drives, follow ASUS firmware instructions to ensure correct configuration and data safety.

## Specifications

### Features

| Feature | Value |
|---|---|
| Motherboard form factor | ATX |
| Motherboard chipset | AMD B840 |
| Component for | PC |
| Audio output channels | 7.1 |
| Windows operating systems supported | Windows 11, Windows 10 x64 |
| Motherboard chipset family | AMD |

| Feature | Value |
|---|---|
| Product colour | Black, Aluminium |

### Processor

| Feature | Value |
|---|---|
| Processor manufacturer | AMD |
| Processor socket | Socket AM5 |

### Memory

| Feature | Value |
|---|---|
| Number of memory slots | 4 |
| Maximum internal memory | 192 GB |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Unbuffered memory | Yes |
| Memory slots type | DIMM |
| ECC сompatibility | ECC & non-ECC |

### Expansion slots

| Feature | Value |
|---|---|
| PCI Express x1 (Gen 3.x) slots | 1 |
| PCI Express x16 (Gen 3.x) slots | 3 |
| Number of M.2 (M) slots | 3 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| 1st M.2 largest key size | 2280 |
| 2nd M.2 largest key size | 2280 |
| 3rd M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 4.0 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| 3rd M.2 highest PCI Express generation | 3.0 |

### Graphics

| Feature | Value |
|---|---|
| Parallel processing technology support | Not supported |
| On-board graphics card | No |

### Network

| Feature | Value |
|---|---|
| Bluetooth version | 5.3 |
| Ethernet LAN | Yes |
| Bluetooth | Yes |
| Wi-Fi | Yes |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |

### Internal I/O

| Feature | Value |
|---|---|
| USB 2.0 connectors | 2 |
| S/PDIF out connector | Yes |
| CPU fan connector | Yes |
| Number of COM connectors | 1 |
| ATX Power connector (24-pin) | Yes |
| Chassis intrusion connector | Yes |
| Number of chassis fan connectors | 4 |
| Front panel audio connector | Yes |
| TPM connector | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Number of SATA III connectors | 4 |
| Thunderbolt headers | 1 |
| 12V power connector | Yes |

### Rear panel I/O ports

| Feature | Value |
|---|---|
| USB 2.0 ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 1 |
| WiFi-AP antenna jack | 1 |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 1 |
| 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 |

### Storage controllers

| Feature | Value |
|---|---|
| RAID levels | 1, 5, 10 |
| Supported storage drive types | HDD & SSD |
| RAID support | Yes |
| Number of storage drives supported | 7 |
| Supported storage drive interfaces | M.2, SATA III |

### BIOS

| Feature | Value |
|---|---|
| BIOS memory size | 256 Mbit |
| BIOS type | UEFI AMI |

### Weight & dimensions

| Feature | Value |
|---|---|
| Width | 305 mm |
| Depth | 244 mm |

### Other features

| Feature | Value |
|---|---|
| Number of HDDs supported | 4 |
| Supported processor sockets | Socket AM5 |
| Wi-Fi standards | Wi-Fi 6E (802.11ax) |
| Package weight | 1260 g |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | SATA |
| Screws included | Yes |
| Antenna included | Yes |

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 273 mm |
| Package height | 68 mm |
| Package width | 353 mm |

## FAQ

### How much does the ASUS PRIME B840-PLUS WIFI ATX motherboard cost, and is it available for purchase?

The price is 137.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 507 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can ASUS PRIME B840-PLUS WIFI ATX motherboard be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Asus products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Asus service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: motherboard form factor, motherboard chipset, component for, processor socket, number of memory slots, maximum internal memory, pci express x16 (gen 3.x) slots, pci express x1 (gen 3.x) slots, supported memory types, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

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