Phanteks Eclipse P400 Review
Conclusion
Published: 8th February 2016 | Source: Phanteks | Price: £50 to £60.00 @ OCUK |
Conclusion
Having reviewed quite a few other Phanteks cases we have to say we had high hopes and high expectations for this case. On paper it looked to have great potential, and ticked all the right boxes, Decent looks, good build quality, a large window, sound deadening, a choice of colours, ample air cooling with options to add more, filtered intakes, plenty of storage, with the option for stealth mounting both 2.5" and 3.5", a false floor to cover the PSU area, good cable management and a whacking great space up front for thick rads even with a push pull set up.
So it ticks all the right boxes then? Well nearly all the right boxes. You see, to our eyes there's one glaring oversight. One crowning turd in the otherwise fine and glistening punch-bowl of a case that is the Phanteks P400. There's no easy way to say this, no way to dress it up. Basically, you can't get a radiator in the roof of this case. Now it's not that there's no room, potentially the room is there, had the designers at Phanteks thought more about the offset of the fan mounts in the roof (or lack thereof), it would have been eminently possible to get an AIO up there as well as one in the front. Six months to a year ago it would have been fine to release a case such as this which had room for one big rad, but not now, and especially not when Phanteks have shown with other cases that they know how to do it. To us it's a no brainer that in producing this case they'd have off set the fan mounts enough to make it possible to accommodate even just a 30mm thick rad and fans or maybe just a thin AIO. You'd think wouldn't you? You really would. I mean seriously, it's not hard, it's not like this has never been done before, this isn't ground breaking technology. It's been done before. Damn it Phanteks have done it before, so why in the hell have they made a case where you can't get a rad in the roof when it would have been so, so easy to make one that did. yes you can get one in the front, but with so many GPU's having AIO attachments there's a lot of consumers out there that want a case that will take two AIOs, one for the CPU, and one for the GPU. At just £60 this case had the potential to clean up, and even with that said, we're sure they'll fly off the shelves regardless. This case had the potential to be one that would grow with the user as his skills and confidence developed, enabling him to start with one AIO, then two, and then perhaps a full custom loop. As it is though...Well, I think we've said enough
Let's put it another way. This case had the potential to earn Toms coveted White Gold award, it really did, that's how good it nearly was. Tom said in the video "such a small thing makes such a BIG difference" and as my father used to say to me when I'd messed up "I'm not angry, i'm disappointed."
It does though get a Silver, which not to be sniffed at, and we have agreed to change the award if revisions are made and made quickly. We are marking this down in the hope Phanteks wake up and bring all of you guys a better product, the product that should have landed on our desk in the first place.
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Most Recent Comments
It just doesnt sit right with me.Quote

Either way, imho it's still the best case your 50 quid can buy at this point in time, so it certainly is a worthy purchase.Quote
Yeah they could've easily made it fit, but that's how business works unfortunately. If they made it as good as the Enthoo Pro at nearly half the price, they'd go out of business
![]() Either way, imho it's still the best case your 50 quid can buy at this point in time, so it certainly is a worthy purchase. |
Very different cases. Why not have a basic case people can grow into?
But no we will gimp the top on purpose and then end up with it effecting the entire case.
This had the chance to be THE BEST £60 case ever launched. But no. Coz bizniz.Quote
Thanks as ever for the review

That'd be shooting themselves in the foot, especially since they've already outdone all the competition with this case anyway. It fits a bigger radiator than the S340 and has sound dampening materials, all while being a tenner cheaper. The S340 only fits a single 140mm fan in the roof as well, with a stupid little square vent that you can't cover up
The P400 is even a full 20 quid cheaper than the Define S, all while offering mostly the same features but it doesn't look completely empty and silly if you don't put 2x 360mm rads in it.
All in all, considering its price I really like this case and I think it's done a very good job of a balance between being both aircooling, and watercooling friendly. Besides, who in their right mind would do a full on £300 watercooling loop with 2 big radiators in a 50 quid case? No, I think this case perfectly targets the market, filling up a gap between the S340 and the Define S that has been missing so far, whilst being cheaper than both.Quote