Introduction
If you're checking out the ASUS ROG Crosshair X870E Extreme, you're likely in one of two camps: either you're building a no-compromise, top-tier AMD PC and want the best of the best—or you're just curious to see what a flagship, thousand-dollar motherboard brings to the table. Either way, welcome! There's plenty to admire here.
For those chasing the ultimate build, this board is designed to complement high-end components like the RTX 5090, Ryzen X3D chips, and blazing-fast Gen 5 SSDs. It's packed with cutting-edge features, premium build quality, and class-leading connectivity, making it a serious contender for dream setups.
Now, it's true that when it comes to raw performance, motherboards don't usually offer major gains over more affordable options—unless you're into extreme overclocking or need niche capabilities. But that's not really the point here. The Crosshair X870E Extreme is about delivering a complete, high-end experience: better power delivery, robust cooling options, advanced networking, and top-tier audio.
In short, if you've already secured your dream GPU, CPU, and storage, and you want a motherboard that matches that level of ambition, this one deserves a spot on your shortlist. For everyone else, it's still a fascinating look at just how far PC hardware has come.
That said, it doesn't mean the board we're looking at today shouldn't exist or isn't highly desirable. Far from it. The ASUS ROG Crosshair X870E Extreme looks spectacular, and its ultra-wide E-ATX form factor is crammed full of nearly every conceivable high-end feature you could imagine—as you'd expect from its $999 asking price. Let's delve into what you get and whether this halo tier product is truly worthy of the Crosshair Extreme branding.
Specifications
Specifications |
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CPU Support: | AMD Socket AM5 Ryzen 7000, 9000 |
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Power Design: | CPU Power: 20-phase SOC Power: 2-phase MISC Power: 2-phase |
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Chipset: | AMD X870E |
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Integrated Graphics: | Supported 1x HDMI 2x DisplayPort via USB-C
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Memory: | 4x DIMM, Support up to 256 GB 2x Single Rank DDR5-9000 (OC) |
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BIOS: | 256 Mbit AMI UEFI |
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Expansion Slots: | 2x PCIe Gen 5 x16 slot (x16, x8/x8, x8/x4/x4)
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Storage: | 4x SATA 6 Gb/s 1x Slim SAS PCIe Gen 4 (x4) 2x M.2 (PCIe Gen 5 x4) 4x M.2 (PCIe Gen 4 x4) (two via DIMM.2)
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Networking: | 1x Realtek RTL8126 5 Gbps Ethernet
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Rear Ports: | BIOS Flashback button CMOS Clear button 1x 5 Gbps Ethernet 1x 10 Gbps Ethernet 1x HDMI port 2x USB4 40 Gbps (Type-C) 8x USB 3.2 Gen 2 10 Gbps (Type-A) 2x USB 3.2 Gen 2 10 Gbps (Type-C) 2x Wi-Fi antenna connectors 2x Audio jacks 1x Optical S/PDIF Out port
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Audio: | 1x Realtek ALC4082 Codec |
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Fan / Thermistor headers: | 8x 4-pin / 3 (two via DIMM.2) |
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Form Factor: | E-ATX Form Factor 12.0 x 10.9 in. / 30.5 x 277 cm |
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Exclusive Features: | - M.2 Q-Latch
- M.2 Q-Release
- M.2 Q-Slide
- Q-Antenna
- ROG Q-DIMM.2
- PCIe Slot Q-Release Slim
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