r/mffpc is a subreddit with 65k members. The community frequently discusses build, case, lian li a3, matx, and gpu, and they frequently recommend/review matx case, motherboard, and itx case, and the most common flair used is i built this! (matx), help me please!?, i built this! (itx), i'm not quite finished yet., and discussion.
For PCs that are too small for r/PCMR and the full tower subs, but too big for r/sffpc, welcome to micro form factor PC gang. 20L to 40L cases are welcome. Cross posting welcome. Show us your mini itx, mATX and ATX computer builds.
It doesn’t matter what style. Watercooling with custom loops, air cooling, AMD or Nvidia GPU’s, Intel or AMD CPU’s, SFX or ATX, MSI, EVGA, Gigabyte, Asus, Phanteks, Lian Li, Silverstone, Fractal Design, Cooler Master, Corsair, Inwin, Antec, Thermaltake, EKWB.
Popular Topics in r/mffpc
#1
Build
113 posts
#2
Case
99 posts
#3
Lian Li A3
82 posts
#4
Matx
50 posts
#5
Gpu
36 posts
#6
Looking
33 posts
#7
Looking For
33 posts
#8
Pc
26 posts
#9
Cooling
23 posts
#10
Pc Build
21 posts
Products Discussed in r/mffpc
Matx Case
97 reviews
#1
Jonsbo
4.3★ from 38 reviews
#2
Lian Li
4.0★ from 15 reviews
#3
Ncase
5.0★ from 9 reviews
Motherboard
11 reviews
#1
ASRock
4.3★ from 3 reviews
#2
MSI
5.0★ from 2 reviews
#3
Aorus
4.0★ from 1 review
Itx Case
9 reviews
#1
Jonsbo
4.0★ from 2 reviews
#2
ZZAW
4.0★ from 1 review
#3
AKLLA A6
3.0★ from 1 review
Flair Used in r/mffpc
#1
I built this! (MATX)
: "Lian Li B4 No-RGB Gaming Build | RTX 5070 Ti + Ryzen 7 9800X3D"
45 posts
#2
Help me please!?
: "Jonzbo Z20 airflow help!"
30 posts
#3
I built this! (ITX)
: "Fractal Design Meshify 2 Nano"
8 posts
#4
I'm not quite finished yet.
: "Lian Li A3 Wood Build + Cable Management Nightmare: Where to get custom Corsair Type 5 cables?"
7 posts
#5
Discussion
: "Any cool mATX form factor cases to check out? Currently one a Lian Li B4 and already tried out the Gamdias m4m"
5 posts
#6
I built this! (ATX)
: "Filled-up, low-noise A3"
3 posts
#7
Fanboy - Not my work.
: "Lian Li A3 ATX PSU mounting + airflow advice"
1 post
Member Growth in r/mffpc
Yearly
+17k members(34.5%)
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About
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Last updated: October 31, 2026