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!?, 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)
: "Lian Li A3 Build 9950x3D, RTX 5080"
75 posts
#2
Help me please!?
: "Motherboard and case recommendations."
47 posts
#3
Discussion
: "Those with the Jonsbo Z20 who travel with it, how is it?"
13 posts
#4
I'm not quite finished yet.
: "Jonsbo D33 is roomier than I thought..."
5 posts
#5
I built this! (ITX)
: "Boiler Room - My Own Steam Machine With a Hidden Pixelated Display"
4 posts
#6
I built this! (ATX)
: "First MFF build."
4 posts
#7
Vendor Post
: "First build, I'm almost done"
1 post
#8
Somebody built this for me.
: "My A3 Build R7 7700 + 4070 Ti Super"
1 post
#9
Fanboy - Not my work.
: "A stealth black build with minimal RGB is the way - ASUS AP201 AMD gaming setup"
1 post
Member Growth in r/mffpc
Yearly
+17k members(37.2%)
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About
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Last updated: October 1, 2026