PCIE Bifurcation for Asus Z9PE-D8 WS model

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Beny8000
Member

205

01-26-2026, 05:02 AM

Hey everyone, I’m trying to upgrade my Asus Z9PE-D8 WS with M.2 drives, but it doesn’t have any M.2 slots. I thought I could use the PCIe lanes and some adapters, but it feels like a waste of space. I’m considering the Asus Hyper M.2 card, but I’m not sure if my board supports dual-channel or if the port layout matches what’s listed. I’m a bit puzzled by the bios and need some clarification on which slots correspond to which ports.

Beny8000

01-26-2026, 05:02 AM #1

united32
Senior Member

433

01-26-2026, 08:46 PM

It would be wise to keep the settings active, since they generally handle identifying installed cards effectively.

united32

01-26-2026, 08:46 PM #2

It would be wise to keep the settings active, since they generally handle identifying installed cards effectively.

brian2001nl
Junior Member

01-28-2026, 01:04 PM

The auto options allow switching between PCIe Gen1, Gen2, and Gen3. For the port, I need to pick X16 or X8/X8 or X4/X4/X4/X4 manually.

brian2001nl

01-28-2026, 01:04 PM #3

The auto options allow switching between PCIe Gen1, Gen2, and Gen3. For the port, I need to pick X16 or X8/X8 or X4/X4/X4/X4 manually.

xXAguaMarineXx
Member

168

02-18-2026, 12:49 AM

Fun fact, I upgraded the BIOS to the newest version and noticed one of the settings vanished.

xXAguaMarineXx

02-18-2026, 12:49 AM #4

Fun fact, I upgraded the BIOS to the newest version and noticed one of the settings vanished.

Broflash
Senior Member

740

02-18-2026, 12:57 AM

Contacted Asus to find out if they could provide more details, checked their website manual and noticed the settings weren't listed.

Broflash

02-18-2026, 12:57 AM #5

Contacted Asus to find out if they could provide more details, checked their website manual and noticed the settings weren't listed.

OceanBear
Member

103

02-20-2026, 12:01 AM

This approach seems to have some issues. The setup described doesn't align with the hardware configuration you mentioned. Adjustments might be needed for slot compatibility and PCIe version requirements.