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Asus B840M Max Gaming AX specifications and in-depth review

Asus B840M Max Gaming AX

Manufacturer: Asus

The Asus B840M Max Gaming AX is a Micro-ATX motherboard designed for gaming and high-performance setups. It features an AM5 CPU socket and supports the latest memory technologies, making it a versatile choice for building a powerful system.

Key specifications include support for up to 192GB of memory with DDR5 modules, Wi-Fi 6 connectivity, and a total of four RAM slots. It also offers various expansion options with one PCIe 4.0 x16 slot and three M.2 sockets for fast storage. Additionally, the motherboard includes advanced features such as dual BIOS and built-in Bluetooth 5.3.

Pros
  • Supports up to 192GB of DDR5 memory, offering ample capacity for demanding tasks.
  • Includes multiple RAID options (RAID 0, 1, 5, 10), providing flexibility for different storage configurations.
  • Equipped with Wi-Fi 6 and Bluetooth 5.3 for fast and reliable wireless connectivity.
  • Offers 7.1 audio channels with three audio connectors, enabling a rich audio experience for gaming or media.
  • Has a clear CMOS button and dual BIOS support for easy troubleshooting and recovery.
Cons
  • Lacks USB 3.2 Gen 2 Type-C ports and Thunderbolt support, limiting some high-speed connectivity options.
  • Does not support integrated graphics, requiring a dedicated GPU for display output.
  • No S/PDIF Out port for digital audio output, limiting certain audio connection options.
  • Does not support ECC memory, which might be a limitation for users needing enhanced error correction for critical workloads.
Who is this for?

The Asus B840M Max Gaming AX motherboard is ideal for users seeking a flexible and high-performance platform for gaming or other intensive computing tasks. With support for up to 192GB of DDR5 memory and RAID 0, 1, 5, and 10 configurations, it is well-suited for power users who need substantial storage and memory capacity. Additionally, the Wi-Fi 6 and Bluetooth 5.3 capabilities make it a great choice for users who require fast and reliable wireless connectivity.

Who is this NOT for?

This motherboard may not be suitable for users who require certain high-speed connectivity options like Thunderbolt or USB 3.2 Gen 2 Type-C ports, as these are not available. It also lacks integrated graphics, so users without a dedicated GPU will find it unsuitable for basic tasks or systems where a discrete graphics card is not available. Additionally, the absence of support for ECC memory might make it less ideal for users in environments where data integrity is a critical concern.

General info:

CPU socket AM5
form factor Micro-ATX
release date January 2025
supports Wi-Fi ✓
Wi-Fi version Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Has Bluetooth ✓
Bluetooth version 5.3
Easy to overclock ✓
has RGB lighting ✓
Easy to reset BIOS ✓
Has dual BIOS ✓
has aptX ✕
CPU sockets 1
Has integrated graphics ✕
warranty period 3 years
height 244 mm
width 244 mm
Has integrated CPU ✕

The Asus B840M Max Gaming AX motherboard features a Micro-ATX form factor and an AM5 CPU socket, supporting one processor. It offers built-in Wi-Fi 6 along with Bluetooth 5.3, enhancing wireless connectivity. Additional features include easy overclocking, RGB lighting, dual BIOS, and a 3-year warranty. The motherboard also provides a simple way to reset the BIOS with a clear CMOS button, though it does not support integrated graphics or aptX Bluetooth.

Memory:

maximum memory amount 192GB
overclocked RAM speed 7600 MHz
memory slots 4
DDR memory version 5
memory channels 2
Supports ECC memory ✕

The Asus B840M Max Gaming AX motherboard supports up to 192GB of memory with a DDR5 memory standard and features four memory slots across two channels. It also offers a high overclocked RAM speed of 7600 MHz, though it does not support ECC memory for error correction.

Ports:

USB 3.2 Gen 2 ports (USB-A) 2
USB 3.2 Gen 1 ports (USB-A) 1
USB 3.2 Gen 2 ports (USB-C) 0
USB 3.2 Gen 1 ports (USB-C) 0
USB 2.0 ports 4
USB 3.2 Gen 2x2 ports 0
USB 4 40Gbps ports 0
USB 4 20Gbps ports 0
Thunderbolt 4 ports 0
Thunderbolt 3 ports 0
has an HDMI output ✕
DisplayPort outputs 1
RJ45 ports 1
Has USB Type-C ✓
eSATA ports 0
DVI outputs 0
has a VGA connector ✕
PS/2 ports 0

The Asus B840M Max Gaming AX motherboard offers a variety of ports, including two USB 3.2 Gen 2 ports (USB-A) and one USB 3.2 Gen 1 port (USB-A). It also features a DisplayPort output and a USB Type-C port. Additionally, there is one RJ45 port for Ethernet connectivity, but the motherboard lacks HDMI, Thunderbolt, and eSATA ports.

Connectors:

USB 3.2 Gen 1 ports (through expansion) 2
USB 2.0 ports (through expansion) 6
SATA 3 connectors 4
fan headers 6
USB 3.0 ports (through expansion) 2
M.2 sockets 3
Has TPM connector ✓
U.2 sockets 0
Has mSATA connector ✕
SATA 2 connectors 0

The Asus B840M Max Gaming AX motherboard offers a range of connectors, including three M.2 sockets for fast storage and four SATA 3 connectors for additional drives. It also provides six fan headers for improved cooling, two USB 3.0 ports and two USB 3.2 Gen 1 ports through expansion. Additionally, the board supports a TPM connector, but lacks mSATA and U.2 connectors.

Expansion slots:

PCIe 4.0 x16 slots 1
PCIe 5.0 x16 slots 0
PCIe 3.0 x16 slots 3
PCIe x1 slots 0
PCI slots 0
PCIe 2.0 x16 slots 0
PCIe x4 slots 0
PCIe x8 slots 0

The Asus B840M Max Gaming AX motherboard is equipped with one PCIe 4.0 x16 slot and three PCIe 3.0 x16 slots for expansion. It does not include PCIe x1, PCIe x4, PCIe x8, or PCIe 2.0 x16 slots, offering a focused range of expansion capabilities for users who require high-speed graphics and other add-ons.

Audio:

audio channels 7.1
Has S/PDIF Out port ✕
audio connectors 3

The Asus B840M Max Gaming AX motherboard supports 7.1 audio channels for a high-quality audio experience and includes three audio connectors for connecting speakers or headphones. However, it does not feature an S/PDIF Out port for digital audio output.

Storage:

Supports RAID 1 ✓
Supports RAID 10 (1+0) ✓
Supports RAID 5 ✓
Supports RAID 0 ✓
Supports RAID 0+1 ✕

The Asus B840M Max Gaming AX motherboard supports multiple RAID configurations including RAID 0, RAID 1, RAID 5, and RAID 10 (1+0), offering flexible storage options for performance and redundancy. However, it does not support RAID 0+1.

Final Verdict

The Asus B840M Max Gaming AX motherboard delivers excellent performance and versatility for gamers and power users. With support for up to 192GB of DDR5 memory and a range of RAID configurations, it is a strong choice for those needing substantial memory and storage flexibility. The inclusion of Wi-Fi 6 and Bluetooth 5.3 enhances its wireless connectivity, making it well-suited for modern gaming and networking environments. While it may not be ideal for users requiring integrated graphics or advanced high-speed connectivity like Thunderbolt, it remains a solid and reliable option for a wide range of demanding computing tasks.

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