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How to Build a Mini-ITX LAN Party Gaming Desktop System (Page 1)

How to Build a Mini-ITX LAN Party Gaming Desktop System

Today we run you through how to build a high-end smaller PC that is portable and can be used at LAN parties, and we are also giving it away!

By: Steven Bassiri from Jun 16, 2019 @ 16:50 CDT

Our Mission and Part Selection


Every few months we do a build guide with a different theme involved and then give away the system to a lucky winner. For this build guide and giveaway, we decided to tackle a high-end smaller PC that can be used at LAN parties and is easier to move around than a full-fledged ATX desktop. Supermicro supplied a C9Z390-CG-IW for this build, so we focused on picking parts around the motherboard. Intel was nice enough to send over an i7-9700K, Zotac sent over a GTX 1660, and Corsair provided everything else.


The backbone of our build is the motherboard, as it needs to support all the features of the platform. We have a really nice x4 PCI-E M.2 port on this motherboard, so we decided to go with an M.2 module. We have two RAM slots, so we went with two sticks of RAM. We also see the motherboard has four SATA6Gb/s ports, but we won't be using them in this build, although our case supports a few 2.5" drives so that we could use those ports later.


The CPU is the 9th Generation Core i7 9700K, with a solid motherboard the CPU can boost up to whatever it desires.


Here we have a mini-ITX sized Zotac GTX 1660 6GB, which recently launched.


Next up is the CPU cooler. The 9700K and other high-end Intel CPUs can generate a decent amount of heat, especially if you overclock them. In this case, we used a Corsair H75 all-in-one water cooling unit. Pay attention to the mini-ITX case you purchase, as it might not have room for watercooling, and if it does, make sure that it supports the coolers' size.


The PSU we used is Corsair SF750 SFFPC PSU, it supports up to 750W, which is more than we need, but it also gives us the ability to upgrade the GPU down the line if we so choose.


Finally, we have our M.2 SSD, new from Corsair the MP300, which is an M.2 NVMe PCI-E Gen3 x2 SSD.

  • CPU: Intel Core i7-9700K valued at $410
  • Motherboard: Supermicro C9Z390-CG-IW valued at $199
  • RAM: CORSAIR Vengeance RGB PRO 16GB (2x8GB) DDR4 2666MHz C16 valued at $95
  • GPU: ZOTAC Gaming GeForce GTX 1660 6GB valued at $220
  • SSD: CORSAIR FORCE Series MP300 480GB valued at $65
  • PSU: CORSAIR SF750 valued at $180
  • Case: NZXT H200i valued at $125
  • Cooler: CORSAIR Hydro Series H75 valued at $83
  • Keyboard: CORSAIR K70 RGB MK.2 RAPIDFIRE valued at $140
  • Mouse: CORSAIR IRONCLAW RGB valued at $50

Total: Around $1,567

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Supermicro MBD-C9Z390-CG-IW-O

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