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Phanteks - ECLIPSE P400 TEMPERED GLASS ATX Mid Tower Case

( 4.9 Average / 7 Ratings )






Part #



ATX Mid Tower



Includes Power Supply


Internal 2.5" Bays


Internal 3.5" Bays


Motherboard Compatibility

ATX, EATX, Micro ATX, Mini ITX

Front Panel USB 3.0 Ports


Maximum Video Card Length

11.02" (280mm) With Drive Cages
15.55" (395mm) Without Drive Cages

Completed Builds Using This Part

See All Completed Builds


Merchant Base Promo Shipping Tax Availability Total
Amazon $79.99 Free two-day shipping with Amazon Prime In stock $79.99
( 6 new from $79.99. Last updated 25 minutes ago. )
Newegg $79.99 +$5.99 s/h In stock $85.98
* Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

Price History (Excluding Tax) History:


claudiuskt 31 points 8 months ago

Ain't this case a beauty to behold. The tempered glass is simply stunning and the short RGB strip included is a nice bonus. For those looking for simplicity and clean-looking case, I would definitely recommend this case.

Cable management was super easy with a lot of room to work with. Airflow could be improved though, as the front panel has relatively small intake from top and bottom openings only. Stock fans that came with it are pretty quiet and do their jobs well.

Fr0st_Byte 5 points 6 months ago
from completed build $2200 Gaming Machine

Worth much more than the $90 you pay for it. Absolutely fantastic case by Phanteks. I highly recommend this case for anyone making a nice looking rig with plenty of build options. The magnetic RGB strip is a great addition. I was expecting another cheap adhesive solution, but was very happy to see magnetic. The colors are great, too. PSU basement is nice, and cable-management is super easy.

enzorex44 15 points 5 months ago

GREAT case for its price! Easy build and were well thought case! I recommend it for first time builders too

DawnOfTy 13 points 4 months ago
from completed build "Mid Papi"

Great cooling, airflow, and thank God for the dust filters. Magnetic and slotted all around. Oh yea and this is the TG edition, so the smoked tempered glass looks amazing with this build. I really wouldn't chang anything on this case. Great deal for under $100

dhrose20 12 points 1 month ago
from completed build NHF Team Streamer Setup

Phanteks makes some of the best cases. 2 included rgb strips. Plenty of space. Psu shroud. Fully customizable. Seemed hard to get used to at first...but again I was a first timer. After a hour, I knew this case in and out. Real Simple. Already has wires pre-routed. Cable management velcro straps. Will say that the included screws were less than ideal. I had about 5 screws that were almost stripped upon arrival. Luckily I had purchased a 45pc Rosewill toolkit that had extra screws of the same size.

NapalmInDMorn 21 points 1 month ago
from completed build Black Box II

I had one prerequisite for a case: Tempered glass. This case delivers that and more. Aside from the meh included fans, everything included with this case is high quality, and the RGB that I adapted to my MoBo was icing on the cake.

yazzfloot 28 points 26 days ago
from completed build Summer Sky

One thing to note, this case is a little shorter than most, so make sure you have room to clear your radiator AND fans up top, because my H100i V2 sure as heck couldn't. So I ended up front-mounting them and moving my case fans up top. Also, the case fans are pretty loud. Other than that, it's AMAZING!