r/mffpc is a subreddit with 63k 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)
: "Done for now. Decided to paint the grille of this Nitro+ 9070XT"
92 posts
#2
Help me please!?
: "Best airflow for A3 matx"
57 posts
#3
Discussion
: "Deepcool ch260 made it to USA!"
14 posts
#4
I'm not quite finished yet.
: "A3 mistakes."
10 posts
#5
I built this! (ITX)
: "Finally moved my custom loop from the Phanteks P200A to a Lian Li A3"
10 posts
#6
I built this! (ATX)
: "Mechanic Master C34 21.6L Full ATX"
7 posts
#7
Somebody built this for me.
: "My First Ever Build in Lian Li B4."
5 posts
#8
Vendor Post
: "For B4-mATX Owners, Your FREE ULTRA-SHORT 24-Pin CABLE Is Here!"
1 post
#9
Fanboy - Not my work.
: "Most interesting build I've seen in a while...the wiring method is definitely new to me and going to add to future builds"
1 post
Member Growth in r/mffpc
Yearly
+18k members(40.9%)
Similar Subreddits to r/mffpc
r/buildapc
8.5M members
2.3% / yr
r/computer
135k members
55.9% / yr
r/gamingpc
325k members
28.0% / yr
r/PcBuild
796k members
33.7% / yr
r/PC_Builders
23k members
87.6% / yr
r/PcBuildHelp
316k members
47.4% / yr
r/PCBuilds
51k members
15.9% / yr
r/pcmasterrace
16.3M members
2.7% / yr
r/pcmods
99k members
9.1% / yr
r/sffpc
357k members
12.6% / yr
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/mffpc, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: August 24, 2026