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Phanteks - ECLIPSE P400 TEMPERED GLASS ATX Mid Tower Case

( 4.8 Average / 14 Ratings )






Part #



Black / White


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

280 mm / 11.024" With Drive Cages
395 mm / 15.551" Without Drive Cages

Completed Builds Using This Part

See All Completed Builds


Merchant Base Promo Shipping Tax Availability Total
Newegg $69.99 +$5.99 s/h In stock $75.98
Newegg Business $69.99 +$5.99 s/h $75.98
Amazon $79.99 Free two-day shipping with Amazon Prime In stock $79.99
( 4 new from $79.99. Last updated 29 minutes ago. )
* 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:


SirComputesALot 14 points 21 months ago
from completed build First AAA Killer Build

Super clean case, nice tempered glass windows. Building in it was a breeze with all the room and holes for cables and such. Reminds me of the NZXT Elite for a better price. Highly recommend.

adventureguy 8 points 20 months ago
from completed build Black and White Kaby Lake Build

This case is great and it's slightly cheaper than the NZXT S340 Elite. The case looks nice, and it even comes with a free RGB strip (wow!!1!111!!one). The airflow is decent but with a closed off panel you can't really expect too much. Building in this thing was a piece of cake and everything looks very tidy.

Mikey96p 9 points 18 months ago
from completed build "PERRIN" Build; My First Build!

This case is very ascetically pleasing. Very customization, lots of room for components, easy to use (Especially for first time builders), and the large glass pane with the RGB Strip allows for great visibility.

Loktin 20 points 17 months ago
from completed build Ryzen 1600 + GTX1060 3gb

Amazing looking case for under $90. The led strip it came with is strong enough to hold itself to the top of the case and will make anybody's build looking much better!!

SasuCM 2 points 15 months ago
from completed build The Dream

For $70 this case is a steal. Super clean looking. Tempered glass. Plenty of extra screws in case you lose some. Motherboard standoffs are pre-installed. 2 SSD mounting brackets and 2 HDD mounting brackets. And PLENTY of room if you have a large CPU cooler or GPU. It has 160 mm of clearance for a cpu cooler, exactly as much as I needed for my H5 ultimate. My 1080 Ti fits easily too, with plenty of room to spare. The straps on the backside for cable management were really useful. 10/10 case.

bpwyant 14 points 14 months ago

Hands down the best case under $100. A dream to work in and looks absolutely stunning. I’ve worked with the Enthoo Evolv TG before so I see where phanteks cut their corners with this one, however they did so in exactly the right places and managed to put together an amazing product here. Highly recommended.

BlackMachDown 15 points 12 months ago
from completed build Dual core gaming in 2018

Beautiful Case and easy to build in. Love the white accents and the Tempered Glass. Haven't hooked up the RGB yet. I probably wont as I am not really into it.

acarlso1 5 points 12 months ago
from completed build First Build - Ryzen Fun

Love it, no complaints. For being only $50 after rebate I feel like it got something much higher priced.

smellycatbutts 5 points 11 months ago
from completed build The Technicolor Catbox

After having built in this case, I have fallen in love with the cable management resources this case provides: the grommets, PSU shroud, velcro straps, and the generous amount of space in the back. It is perfect for a new builder. I also like the partially white interior, as it allows the RGB to pop. However, I would say that the front panel does block airflow. In the future, I'll probably change cases when doing a full upgrade, but that's years from now. In the summer, I'll just remove the front panel, and keep the cats out of my room.

crichardson26 8 points 11 months ago
from completed build My first PC Build!

Beautiful case for a good price with nice lighting. The TG side panel looks great. Reason for 4 stars instead of 5 is the lack of airflow, other than that everything you could want in a mid tower!