Question 1

How many pcie slots will be empty if you use a micro atx motherboard?

Accepted Answer

If you use a micro ATX motherboard, which typically has 4 expansion slots, there will be 10 PCIe slots left empty since the chassis has 14 expansion slots.

Question 2

How many graphics cards can this support off of risers if you use a micro-atx or atx motherboard?

Accepted Answer

This chassis has 14 expansion slots.

Question 3

Will this fit an SSI EEB sized board in it?

Accepted Answer

Hello there, Thank you for contacting us in regards to your question. According to the manufacturer specifications, the Rackmount would not be compatible with a SSI EEB sized board. The manufacturer lists the Rackmount to be compatible with motherboard size 12 x 9.6 (ATX, microATX). The manufacturer specifications will be linked below as a reference. http://www.istarusa.com/en/istarusa/products.php?model=D-400 Hope this helps, Newegg Support

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