GIGABYTE X870E AORUS PRO AMD AM5 LGA 1718 Motherboard, ATX, DDR5, 4X M.2, PCIe 5.0, USB4, WIFI7, 2.5GbE LAN, EZ-Latch, 5-Year Warranty $309.99

jo55jo

Sep 14, 2025 07:34 AM

984 Posts

Joined Aug 2014

jo55joSep 14, 2025 07:34 AM

984 Posts

Seems to be a lot of problems with this board. See the large# of 1-star ratings on this Amazon listed product.

nahpungnome

Sep 14, 2025 01:52 PM

1,606 Posts

Joined Nov 2012

nahpungnomeSep 14, 2025 01:52 PM

1,606 Posts

This board has lane sharing with the PCIx16 if you use any of the 2 M.2 slots that share bandwidth btw. The effect isn't all that much, but just something to be aware of. Most X870E boards have this problem because AMD mandated USB4 lanes go off the CPU.

As far as I'm aware, only MSI and AsRock got around it. MSI Tomahawk/Edge TI/Gaming Plus Wifi and Asrock Nova/Taichi/Taichi Lite are the only ones I'm aware of that you can use all M.2 slots without taking lanes from the PCI slot.

1

moktor

Sep 15, 2025 12:26 AM

502 Posts

Joined Jan 2008

moktorSep 15, 2025 12:26 AM

502 Posts

Quote from nahpungnome

:

This board has lane sharing with the PCIx16 if you use any of the 2 M.2 slots that share bandwidth btw. The effect isn't all that much, but just something to be aware of. Most X870E boards have this problem because AMD mandated USB4 lanes go off the CPU.

As far as I'm aware, only MSI and AsRock got around it. MSI Tomahawk/Edge TI/Gaming Plus Wifi and Asrock Nova/Taichi/Taichi Lite are the only ones I'm aware of that you can use all M.2 slots without taking lanes from the PCI slot.

wow, really? I would expect that by 2025 we wouldn't have $300+ motherboards that still lane share like that.

nahpungnome

Sep 15, 2025 01:06 AM

1,606 Posts

Joined Nov 2012

nahpungnomeSep 15, 2025 01:06 AM

1,606 Posts

Quote from moktor

:

wow, really? I would expect that by 2025 we wouldn't have $300+ motherboards that still lane share like that.

Yeah unfortunately...it's due to AMD's USB4 mandate.

Nihlus

Sep 15, 2025 03:14 AM

185 Posts

Joined Apr 2011

NihlusSep 15, 2025 03:14 AM

185 Posts

B850 is where it's at if you don't want any lane sharing. My Gigabyte B850 Ai Top has been great, solid as a rock. Far more sensible lane splitting arrangement than nearly all x870 boards.

Last edited by Nihlus September 14, 2025 at 08:19 PM.

GIGABYTE X870E AORUS PRO AMD AM5 LGA 1718 Motherboard, ATX, DDR5, 4X M.2, PCIe 5.0, USB4, WIFI7, 2.5GbE LAN, EZ-Latch, 5-Year Warranty $309.99

$310

$343

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