Best Extended Atx Motherboards in 2026

Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update.Audio ports (Rear): 5plus Optical S/PDIF (Realtek ALC1200 / ALC1220P Codec)

Supports dual channel DDR4 memory up to 128 GB (4866 MHz)

On-board dual LAN: 2.5G LAN plus Gigabit LAN

AMD AM4 socket: Ready for 2nd and 3rd Gen AMD Ryzen processors to maximize connectivity and speed with up to two M.2 Drives, USB 3.2 Gen2 and AMD StoreMI

Enhanced power solution: Military-grade TUF components, Pro Cool socket and Digi plus VRM for maximum durability

Comprehensive Cooling: Active PCH heatsink, VRM heatsink, M.2 heatsink, hybrid fan headers and Fan Xpert

AMD Ryzen 7 7700X Desktop Processor, 8-Core, 16-Thread, 5.4 GHz Max Boost, unlocked for overclocking, 40 MB cache, DDR5-5200 support, default TDP 105W. This dominant gaming processor can deliver fast 100+ FPS performance in the world's most popular games

For the state-of-the-art Socket AM5 platform, can support PCIe 5.0 on select 600 Series motherboards. OS Support: Windows 11/ 10-64-Bit Edition. Cooler & Thermal Solution (PIB) not included

MSI PRO B650-P WiFi ProSeries Motherboard, ATX Form Factor, AM5 Socket. Supports DDR5 Memory, Dual Channel DDR5 6400+MHz (OC), Maximum Memory Capacity 128GB, 2 x M.2 PCIe 4.0 x4 slots, 6 x SATA 6Gb/s ports, USB 3.2 Gen 2x2, Wi-Fi 6E, 2.5G LAN. Supports AMD Ryzen 7000 Series Desktop Processors

The World's Most Advanced AMD 5600X CPU Processor with Wraith Stealth Cooler and MSI B550-A PRO Motherboard bundle combo, experience elite performance in games, design, record, content creation and intense multi-tasking. Pack in a bundle, compatibility guarantee, purchase with confidence

AMD Ryzen 5 5600X Processor: 6 cores, 12 threads, 3.7GHz Base Clock, 4.6 GHz Max Boost, 65W TDP, unlocked for overclocking, 35 MB GameCache for game performance, DDR-3200 support, coming with quiet, capable AMD Wraith Stealth cooler, can deliver ultra-fast 100+ FPS performance in the world's most popular games

AM4 Sockets Supported, support PCIe 4.0 on X570 and B550 motherboards, delivering double the graphics bandwidth. Massive GameCache memory onboard for higher game performance. Leading edge 7-nanometer technology for cool, quiet, efficient operation. The perfect processor for the perfect gaming rig

Supports 12th/13th Gen Intel Core, Pentium Gold and Celeron processors for LGA 1700 socket

Supports DDR5 Memory, Dual Channel DDR5 7800+MHz (OC)

M-Vision Dashboard: The touchable 4.5-inch full-color IPS LCD not only indicates the status of your gaming rig which combines hardware monitor and debug function, but also allows system operation and customization with touch control

Supports 2nd and 3rd Gen AMD Ryzen / Ryzen with Radeon Vega Graphics Desktop Processors for AM4 socket

Ultra-fast networking support with both on-board Wi-Fi 6 (802. 11ax) and bundled 10G Super LAN card

Onboard triple Lightning Gen 4 M. 2 slots and bundled M. 2 XPANDER-Z Gen 4 accessory card with two additional M. 2 slots

Intel LGA 1700 socket: Ready for 12th&13th Gen Intel Core processors, support PCIe 5.0,DDR5 and out-of-box Windows 11 ready

AI Motherboard : AI Overclocking, AI cooling II, AI networking(GameFirst VI) and AI noise cancellation

Robust Power Solution: 18+1 90A power stages with ProCool II power connector, high-quality alloy chokes and durable capacitors to support multi-core processors

Supports 9th i9-9900K, i7-9700K, i5-9600K and 8th Generation Intel Core / Pentium Gold / Celeron processors for LGA 1151 socket

Supports dual channel DDR4 memory, up to 4600(OC) MHz

Killer Wireless-AC 1550 Wi-Fi, 2x Killer E2500 LAN, Turbo U.2, 3x Turbo M.2 with M.2 Shield Frozr, Dual Front USB 3.1 Gen2 Type-C

Supports 12th Gen Intel Core / Pentium / Celeron processors for LGA 1700 socket

Supports DDR5 Memory, up to 5600(OC) MHz

Premium Thermal Solution: Extended Heatsink Design and M.2 Shield Frozr are built for high performance system and non-stop works

Socket LGA1700 for 12th Gen Intel Core, Pentium Gold and Celeron Processors. 11. Renowned Software: Bundled 1-year AIDA64 Extreme subscription and intuitive UEFI BIOS dashboard with integrated MemTest86.

EVANGELION aesthetics: Co-branded with EVANGELION to feature the unique design of the EVA-01 displayed on the PCB, heatsink, nameplate and packaging.

Intelligent Control: ASUS-exclusive tools including AI Overclocking, AI Cooling, AI Networking and Two-Way AI Noise-Cancelation for easy configuration.

Upgraded to the fourth generation of audio solutions, SupremeFX IV creates an unrivaled audio standard with PCB Shielding technology, headphone amplifier and a set of premium audio capacitors.

The GameFirst II leverages Traffic Shaping technology to keep the ping time low, contributing to smoother online gaming. The bundled mPCIe Combo + dual-band Wi-Fi/Bluetooth, offers added connectivity options for greater flexibility.

The bundled mPCIe Combo + dual-band Wi-Fi/Bluetooth, offers added connectivity options for greater flexibility.

Supports Intel Core X-Series Processor Family

Quad Channel Non-ECC Unbuffered DDR4, 8 DIMMs. Operating System : Support for Windows 10 64-bit

12 phases IR digital VRM solution with 70a power stage

The product is manufactured in China

Model Number: X11DPH-T-O

Item Package Dimension: 14.0" L x 13.0" W x 3.5" H

Intel Xeon processor E5-2600 v3 family (up to 160W TDP ), Dual Socket R3 (LGA 2011)

Up to 18 Cores / Up to 45MB Cache

16x 288-pin DDR4 DIMM sockets, Up to 1TB ECC LRDIMM, 512GB ECC RDIMM

Dual socket R3 (LGA 2011) supports Intel Xeon processor E5-2600 v4/ v3 family; QPI up to 9.6GT/s

Intel C612 chipset.System Bus: QPI up to 9.6 GT/s.

Up to 2TB ECC 3DS LRDIMM , up to DDR4- 2400MHz ; 16x DIMM slots

More for the money with this high quality Product

Offers premium quality at outstanding saving

Excellent product

AMD sWRX8 socket: Ready for AMD Ryzen Threadripper PRO Series Processors

Ultrafast connectivity: USB 3.2 Gen 2x2 Type-C port, 10 x USB 3.2 Gen 2 ports, 3 x M.2 PCIe 4.0, HYPER M.2 x16 Gen 4 card, and Intel X550-AT2 dual 10Gb Ethernet, WiFi 6E.

ASMB9-iKVM remote management: BMC chip to provide intelligence for its IPMI architecture for out-of-band management to enhance hardware-level control for improved IT efficiency

Standard: Extended ATX

Intel Core i7 processors on LGA 2011-v3 socket

Quad-channel DDR4 3333 (OC) support, aura RGB illumination and aura 4-pin rgb-strip header, SupremeFX Hi-Fi

5-Way Optimization with auto-tuning, second-generation t-topology and extreme Engine digi+

Chipset Manufacturer: AMD

Chipset Model: WRX80

Processor Supported: Ryzen

AMD Ryzen 5 5600X Processor: 6 cores, 12 threads, 3.7GHz Base Clock, 4.6 GHz Max Boost, 65W TDP, unlocked for overclocking, 35 MB GameCache for game performance, DDR-3200 support, coming with quiet, capable AMD Wraith Stealth cooler, can deliver ultra-fast 100+ FPS performance in the world's most popular games

AM4 Sockets Supported, support PCIe 4.0 on X570 and B550 motherboards, delivering double the graphics bandwidth. Massive GameCache memory onboard for higher game performance. Leading edge 7-nanometer technology for cool, quiet, efficient operation. The perfect processor for the perfect gaming rig

MSI B550-A PRO ATX Motherboard: ATX form factor, AM4 Socket, Supports DDR4 Memory, Dual Memory Channel, with 1 x PCIe 4.0 Slot, 2 x M.2 Slots, 6 X SATA III Slots, USB 3.2 Gen 2 Type-C Ready, HDMI, Lightning Gen4 x4 M.2 with M.2 Shield Frozr, Intel Turbo USB 3.2 Gen 2, Audio Boost, Multi-GPU, With Steel armor PCI-E slots. Supports 2-Way AMD Crossfire, Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update

AMD Ryzen 5 5600X Processor: 6 cores, 12 threads, 3.7GHz Base Clock, 4.6 GHz Max Boost, 65W TDP, unlocked for overclocking, 35 MB GameCache for game performance, DDR-3200 support, coming with quiet, capable AMD Wraith Stealth cooler, can deliver ultra-fast 100+ FPS performance in the world's most popular games

AM4 Sockets Supported, support PCIe 4.0 on X570 and B550 motherboards, delivering double the graphics bandwidth. Massive GameCache memory onboard for higher game performance. Leading edge 7-nanometer technology for cool, quiet, efficient operation. The perfect processor for the perfect gaming rig

MSI B550-A PRO ATX Motherboard: ATX form factor, AM4 Socket, Supports DDR4 Memory, Dual Memory Channel, with 1 x PCIe 4.0 Slot, 2 x M.2 Slots, 6 X SATA III Slots, USB 3.2 Gen 2 Type-C Ready, HDMI, Lightning Gen4 x4 M.2 with M.2 Shield Frozr, Intel Turbo USB 3.2 Gen 2, Audio Boost, Multi-GPU, With Steel armor PCI-E slots. Supports 2-Way AMD Crossfire, Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update

AMD Ryzen 5 5600X Processor: 6 cores, 12 threads, 3.7GHz Base Clock, 4.6 GHz Max Boost, 65W TDP, unlocked for overclocking, 35 MB GameCache for game performance, DDR-3200 support, coming with quiet, capable AMD Wraith Stealth cooler, can deliver ultra-fast 100+ FPS performance in the world's most popular games

AM4 Sockets Supported, support PCIe 4.0 on X570 and B550 motherboards, delivering double the graphics bandwidth. Massive GameCache memory onboard for higher game performance. Leading edge 7-nanometer technology for cool, quiet, efficient operation. The perfect processor for the perfect gaming rig

MSI MPG B550 Gaming Plus ATX Gaming Motherboard. PCIe 4.0, Lightning Gen 4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 GEN 2, Supports DDR4 Memory, up to 4400(OC) MHz, Supports AMD Ryzen 5000 & 3000 Series desktop processors