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Phanteks Eclipse P360X Mid-Tower Chassis Review (Page 1)

Phanteks Eclipse P360X Mid-Tower Chassis Review

Phanteks new Eclipse P360X mid-tower computer case gets tested. Should you pick it for your new build? Let's see.

Shannon Robb | Sep 25, 2019 at 1:55 pm CDT - 5 mins, 18 secs time to read this page
Rating: 92%Manufacturer: PhanteksModel: PH-EC350PTG_DBK

Introduction, Specifications, and Pricing

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Phanteks is one of those companies that makes some excellent case options. That being said, have not checked anything from Phanteks out since 2017 with the Evolv mATX and the Evolv shift mini-ITX monolith style case. Today we have the newest in the eclipse series, the Eclipse P360X. The P360X is based around very similar styling to other eclipse chassis on the market. It carries this a bit further with differentiated front panel airflow design and of course addressable RGB.

The P360X is made for users looking for a solid value option chassis that carries Phanteks quality and design considerations for what makes a Phanteks chassis sought after. Phanteks customers tend to be a very dedicated breed. Many of those who like the styling or features enough that they are willing to fully modify the chassis to fit their custom liquid cooling within the chassis. Whereas other users would find it more sensible to use a chassis designed to fit what they want. Building that kind of customer base is not easy, so it's a clear sign that Phanteks has a good handle on what PC builders want.

Key features per Phanteks marketing are listed as.

  • Front ARGB panel lighting and side strip
  • New front airflow design
  • Removable and cleanable dust filters

That may not seem like a laundry list of special features, but at the value prospect, this chassis offers. It comes in swinging well above its class if it indeed performs and has the quality feel we have come to expect from Phanteks.

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The Eclipse P360X comes to market with part number PHJ-EC360PTG_DBK01. That signifies the black model with TG window, but I did not see any other options, and therefore this chassis may only be offered with this single design. However, it can easily be expanded upon as Phanteks receives demands for alternate colors or panel types. The chassis measures in at 465mm tall, 455mm deep and 200mm wide. This places the P360X in the mid-tower chassis sizing as it is commonly accepted.

Motherboard fitment for the P360X is from ITX up to E-ATX, it is worth noting that the E-ATX support is listed as up to 280mm wide. The reason this is important is that E-ATX has many meanings in current consumer tech. Part of that is CEB/EEB, which are much larger boards and will not be supported. However, keep in mind that most consumer boards labeled as E-ATX such as enthusiasts MSI MED, ASUS ROG or other boards of the kind should fit without issue here. 3.5" HDD's have two trays to reside in while the 2.5" fitment uses metal trays in the cable management area. Total 2.5" compatibility of three mounting positions possible with the two included trays. However, once again you can use the 3.5" trays for an SSD each so in reality the 2.5" fitment is 2+2 as long as you are not installing 3.5" drives.

PSU fitment is listed as up to 250mm including cables. We will dig into this more, later in the review. The unique front entry 3.5" trays mean you may have to take into consideration the HDD cabling as well if you plan to use the trays. The PSU is well hidden by a full-length PSU shroud which also happens to be the outer panel of the main chassis side. This is an excellent solution vs. having a full-length glass that sits directly next to a PSU shroud like some chassis. We will look at this more as we dig into the chassis and assess appearance and functionality.

Cooling fitment for the P360X is not as excellent as some of the top cases we have reviewed but also far from the worst. The P360X tends to be most comfortable with 240mm radiator fitment or dual fans top and front. The front comes with a single preinstalled DC 120mm case fan mounted just in line with the GPU which should help push warm air away and out of the chassis. The top as mentioned previously fits up to 240mm radiators while the front can fit 140mm based up to 280mm or 120mm up to 240mm. The rear fan opening can also support up to a single 120mm radiator, just in case you wanted to maximize your cooling outfit within the P360X.

There are some issues, and they are things I have recently hit corsair and a few others for as well, and this is RAM fitment. While an AIO up to 240mm can fit up top, it will severely limit your RAM height. Even bare memory PCB's are within a single mm of touching the fan on a standard 27mm thickness AIO with standard 25mm thickness fans. This is not to say the P360X is a bad chassis just something I observed when initially measuring. The mounting hole location and drop-down distance until interference with DIMM slots or installed DIMMs is close enough it may become an issue.

The Phanteks P360X is coming to market at $69.99 per Phanteks MSRP, which places it in an exciting price category. In this price range, things tend to get cost down very quickly. Having multiple ARGB components and an integrated controller, along with competent styling, could make the P360X a very qualified contender for your hard-earned dollars. The only chassis I found that had roughly similar capabilities, and RGB is the Antec Dark Phantom DP501 which carries a similar design aesthetic to the P360X and the same price tag. The DP501 in comparison has up to 360mm front radiator support, and also it appears to have more room above the motherboard to fit AIO/radiators without memory interference issues.

Shannon's Chassis Test System Specifications

Last updated: Nov 15, 2019 at 01:16 pm CST

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Shannon Robb


Shannon started his PC journey around the age of six in 1989. Now till present day, he has established himself in the overclocking world, spending many years pushing the limits of hardware on LN2. Shannon has worked with design and R&D on various components, including PC systems and chassis, to optimize the layout and performance for enthusiasts.

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