r/mffpc is a subreddit with 64k 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!?, discussion, i'm not quite finished yet., and i built this! (itx).
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)
: "JONSBO D33 - Black build"
99 posts
#2
Help me please!?
: "Jonsbo z20 8 degrees lower without mesh side panel."
52 posts
#3
Discussion
: "Are there any glass horizontal cases like the Jonsbo V12, but without wood accents?"
12 posts
#4
I'm not quite finished yet.
: "Update on the modular case I've been working on"
9 posts
#5
I built this! (ITX)
: "First time building smaller than ATX"
8 posts
#6
Fanboy - Not my work.
: "First PC build"
2 posts
#7
I built this! (ATX)
: "Cooler Master Qube 500, No RGB, minor lighting."
1 post
#8
Somebody built this for me.
: "Team Red! 🔴"
1 post
Member Growth in r/mffpc
Yearly
+18k members(38.8%)
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About
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Last updated: September 21, 2026