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Phanteks - ECLIPSE P400S TEMPERED GLASS ATX Mid Tower Case

( 4.9 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

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
Newegg $79.99 +FREE s/h In stock $79.99
Newegg Business $79.99 +FREE s/h $79.99
Amazon $82.59 Free two-day shipping with Amazon Prime In stock $82.59
( 5 new from $82.59. Last updated 1 hour 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:


capdauntless 30 points 11 months ago

Everything was great except a bad/pre-shorted power button. Instead of RMA'ing I just hooked the power button up to the reset and everything is good now. A pleasure of a case to work in. Wish it had a but more height above the motherboard for 280 AIO clearance.

madadam 55 points 10 months ago
from completed build Gamer Dad Amd Ascension

This was easily the best purchase of my build. All the conveniences of grommets, labeled cables, pre-cable managed, AND it sooooooo sexy. The magnetic led strip was icing on the cake for me.

redblade93 16 points 9 months ago
from completed build |SNOWFURY| Phanteks White Build

Excellent case. Totally looks freakin awesome. High quality, confidence boosting. Everything was a breeze to install and cable manage. Velcro straps really a nice feature. Every panel has silencing foam and even the tempered glass side panel has rubber over where it mounts to the rest of the case. Crisp, clean, awesome, inexpensive.

shugoe24 25 points 9 months ago
from completed build The Nub Build

For $90, you get premium features. 3-speed fan controller, led control, reset button. Sound-proofing panels, a rgb led strip, removable hdd cage, rubber grommets, and Velcro-straps for cable management. Lastly, you get a sexy tempered glass window with blacked out perimeters. A lot of room for airflow, etc. Great features and design at a great price point when compared to other tempered glass cases.

soccerkingpilot 13 points 9 months ago

There are very few things I would change about this case. It didn't come with very good documentation, and it's worth noting you'll require an extra cable to have an MSI mystic-enabled motherboard control the lights. Overall, it looks stellar with the tempered glass side and a very professional, yet sleek, front end.

Horsman4James 12 points 9 months ago
from completed build New/Used Gaming PC | Sub $400

The build quality on this is excellent and it comes packed with features (LED lights, fan controller, and sound dampening foam to name a few) I am very impressed with this case. The cable management is ample and allows you to get lazy with it and not worry about looks. However, the standoffs were a huge pain and way more work than they shoudlve been. I also found the instructions quiet lacking.

davivascaino 22 points 7 months ago

awesome case, very easy cable management. I added one 120mm fan as exhaust and kept 2 front 120mm intake fans, and my temps are fine even with overclocked CPU

Aporia88 15 points 7 months ago

Amazing case to build in. Makes cable management easy, even for a first-time builder.

aok8 9 points 7 months ago
from completed build Final PC

Very very nice case, easy to cable manage in, the inclusion of sound dampening is great. Tempered glass implementation is good as well.

TheotherguyYT 7 points 5 months ago
from completed build The Rusty PC

Such a nice looking case, easy to build in and really nice looking