Best Extended ATX Motherboards of 2025
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Extended ATX motherboards are high-performance computer motherboards designed for enthusiasts and professionals who require more processing power and expansion options. These motherboards offer a larger form factor than standard ATX motherboards, providing additional space for more components and features. Extended ATX motherboards are compatible with the latest processors and offer support for multiple graphics cards, high-speed storage devices, and advanced cooling solutions. With their advanced features and performance capabilities, extended ATX motherboards are an excellent choice for gamers, content creators, and professionals who require high-end computing power.
At a Glance: Our Top Picks
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Top 10 Extended ATX Motherboards
MSI B650 GAMING PLUS WIFI ATX Motherboard
The MSI B650 GAMING PLUS offers impressive performance with its 12+2 Duet Rail VRM, making it ideal for demanding multi-core processors. Users will enjoy enhanced cooling through its integrated VRM cooling system, which includes thermal pads and an extended heatsink. The motherboard supports DDR5 memory, allowing for overclocking up to 6400+ MHz, which is perfect for gamers and content creators seeking speed. With dual PCIe 4.0 x16 slots, you can efficiently use high-performance graphics cards for an immersive gaming experience.
MSI PRO B760M-P DDR4 Micro-ATX Motherboard
The MSI PRO B760M-P Motherboard is designed for Intel's 12th and 13th Gen Core processors, ensuring enhanced stability and performance with its MSI Core Boost technology. The passive and AI cooling features help maintain optimal temperatures, automatically adjusting fan settings based on your CPU and GPU usage. With four DDR4 DIMM slots supporting memory speeds of over 4800 MHz, overclocking becomes easier. Additionally, the dual M.2 connectors offer fast storage options, preventing thermal throttling during high-speed SSD access.
MSI B550-A PRO Motherboard with RGB Support
The MSI B550-A PRO offers exceptional support for AMD's 3rd generation Ryzen processors, ensuring you can maximise your connectivity and speed. With the lightning-fast M.2 and PCIe 4.0, you can enjoy incredibly high data transfer speeds, which enhances your system's overall performance. Additionally, the motherboard supports up to 128 GB of DDR4 RAM at 4400 MHz, allowing for smooth multitasking and improved gaming experiences. The Core Boost technology guarantees precise power delivery, ensuring your CPU operates optimally.
ASUS ROG Strix B650-A Gaming WiFi Motherboard
The ASUS ROG Strix B650-A is an impressive motherboard designed for gamers and enthusiasts. It features a robust 12 + 2 + 1 power solution, ensuring stable performance for demanding applications. With faster-than-Gigabit WiFi, you can enjoy seamless online gaming and streaming by utilising the low-interference 6 GHz band. The on-board PCIe Gen 5 M.2 slot allows for rapid data transfer speeds, which is perfect for high-performance SSDs. Additionally, the support for DDR5 memory enhances your system's speed and efficiency, making it a solid choice for any gaming rig.
ASUS ROG STRIX B550-F GAMING WIFI II Motherboard
The ASUS ROG STRIX B550-F offers exceptional gaming connectivity with PCIe 4.0 readiness, dual M.2 slots, and USB 3.2 Gen 2 Type-C, allowing you to connect multiple high-speed devices effortlessly. The HDMI 2.1 and DisplayPort 1.2 outputs ensure you can enjoy stunning visuals on your gaming setup. With on-board WiFi 6E and Intel 2.5 Gb Ethernet, you can experience smooth networking, reducing lag during online play. The robust power solution features 12+2 teamed power stages, ensuring stable performance even during intense gaming sessions.
MSI MAG B650 TOMAHAWK WIFI Motherboard
ASUS TUF GAMING B650-PLUS WIFI Motherboard
The ASUS B650-PLUS Motherboard offers impressive features for gamers and PC enthusiasts. With support for AMD's latest Ryzen 7 and 9 processors, you can achieve exceptional performance. The motherboard accommodates up to 128 GB of DDR5 memory, ensuring smooth multitasking and enhanced speed. Additionally, it provides PCIe 5.0 M.2 support, allowing for ultra-fast storage options that can significantly reduce load times. With built-in WiFi 6, you can enjoy faster internet connectivity, providing a seamless online gaming experience.
MSI PRO Z790-A MAX WIFI Motherboard ATX
ASUS ROG STRIX B550-F Gaming Motherboard
The ASUS ROG STRIX B550-F is designed for gamers seeking high performance. With an AM4 socket, it supports AMD Ryzen 3rd generation processors, ensuring you have the latest technology at your fingertips. The motherboard features advanced connectivity options, including PCIe 4.0 readiness and dual M.2 slots, allowing for faster data transfer and improved gaming experiences. Enjoy seamless networking with Intel 2.5Gb Ethernet and ASUS LANGuard, which enhance your online gaming. Additionally, the powerful power solution includes high-quality components, ensuring reliability and stability during intense gaming sessions.
MSI PRO X870-P WIFI Motherboard
Frequently Asked Questions (FAQs)
1. What is the difference between ATX and Extended ATX?
An ATX motherboard which is the standard form factor has dimensions of 12 inches x 9.6 inches. EATX, which is the largest variant of ATX is slightly bigger from the right side. It has dimensions of 12 inches x 13 inches. The larger size of this variant makes it a perfect option for server work.
2. What is an Extended ATX case?
Extended ATX computer cases are, as the name suggests, larger than regular ATX cases. They are predominately used for gaming machines and for servers but can also be used for an everyday machine when a larger motherboard is desired.
3. Will an ATX motherboard fit in an Extended ATX case?
ATX board will certainly fit in eATX motherboard tray. The tray has many form factors for the standoff to screw on. This is in general E-ATX PC case.
4. What is XL-ATX motherboard?
XL-ATX. One of the rarer species is the XL-ATX, both wider and taller than the regular ATX board. This specialty is reserved for the hardcorest overclockers and the wildest gaming juggernauts. As you can see on the Gigabyte board above, you have much better options of putting together a four-way SLI or CrossFire setup.
During our extended atx motherboard research, we found 55 extended atx motherboard products and shortlisted 10 quality products. We collected and analyzed 143,589 customer reviews through our big data system to write the extended atx motherboards list. We found that most customers choose extended atx motherboards with an average price of £151.57.
The extended atx motherboards are available for purchase. We have researched hundreds of brands and picked the top brands of extended atx motherboards, including MSI, ASUS.
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