Alright I'm not usually a fan of RGB stuff but this is… actually pretty tight.
Howdy howdy guys ponchato here, and today we'll be taking a look at a liquid AIO CPU
cooler from Deepcool: the Gamer Storm Castle 240 RGB.
Thanks to Deepcool for sending this over, and let's get started.
The Castle 240 RGB was just released in July of 2018 for $110 USD.
It's compatible with LGA 1151, AM4, and TR4 sockets.
For some reason Deepcool rates it for a 165W TDP on Intel chips, but a 250W TDP on AMD
processors, maybe due to the different mounting standards for their respective sockets.
First I just want to talk about the LEDs.
Most RGB products I see are kinda meh, usually because the LEDs aren't very bright or aren't
very colorful.
That is absolutely not so with the Castle 240.
These are by far the brightest and most saturated LEDs I've ever seen in or around a computer.
Very few products make me say "wow", but the first time I saw the LEDs on this, I was
impressed.
While we're at it, let's look at the pump.
This thing looks weird when it's not on, mostly because it's so strangely tall.
But as soon as you boot up your PC, you can see why they made it that way.
The LEDs in the pump aren't just resting on top; they're set about halfway down behind
the Gamer Storm logo, for a kind of infinity mirror effect.
It's a very cool look.
Now there are two ways to control the LEDs.
The first is with a motherboard RGB header, for which the Castle 240 comes with two different
style adapters, and the second is the included in-line controller.
It's about as simple to operate as can be; the plus and minus buttons move through the
lighting modes and the center button cycles through the 5 speeds and turns the LEDs on
or off when held for three seconds.
Being hard wired you'll need to either find a way to stick it outside the case or deal
with opening the side panel every time you want to change it – the motherboard RGB
header will be much more convenient in that regard.
Strangely, Deepcool only provided a 4-way (rather than 5-way) splitter for the RGB connection,
so if you run a second set of RGB fans in push/pull, you'll need to hook up the pump
LEDs to their own motherboard header.
The base of the pump is a smoothly finished copper plate; not a mirror finish but no machining
marks either.
The coolant tubes can be rotated almost 180 degrees from the base of the pump so they
can accommodate any orientation you choose.
The radiator is pretty typical for a 240mm model; all black, threaded mounting holes
on both sides, and sleeved coolant tubes.
One thing that always bothers me about AIOs is the gaps between the fans and the radiator,
which let some air blow out the sides rather than forcing it all through the radiator fins.
If the fans were tightly sealed to the radiator, it would improve the efficiency and maybe
dramatically reduce temperatures, especially at low RPM.
The 120mm fans, a slight variation of Deepcool's CF 120, come with gray vibration damping rubber
pads on the corners.
They're rated for 500 to 1800 RPM and have a hydro bearing which is probably just a variation
of a fluid dynamic bearing.
The LEDs are hub mounted and the blades are translucent, giving them a nice, even glow.
Deepcool also included a 4 way PWM splitter so you can run both fans, or all four fans
in a push/pull setup, off of one motherboard fan header.
There's also a 16 inch PWM extension cable and they give you a double sided adhesive
strip so you can stick the splitter anywhere in your case, though I just opted to shove
it all under the radiator.
Installation is very simple.
On my AM4 test bench it started with threading the double sided mounting bolts into the stock
back plate.
Next, the AM4 brackets get screwed into the bottom of the pump.
A little hard to line up, but overall not too difficult.
After that, you put down a dab of the included thermal grease in the center of the processor.
Side note here, maybe I got a small tube but there was only enough thermal paste for a
single application.
As long as you never make mistakes, though, that won't be an issue.
Make sure to take the protective sticker off the cold plate on the pump, then set it down
on the processor.
Finally, you thread the four mounting nuts onto the exposed mounting bolts to clamp it
to the CPU.
Next is the radiator installation.
First you mount the fans – just slide the long screws through the fan mounting holes
and into the threaded holes on the radiator.
Next, you mount all that to the case using the shorter screws.
With this configuration the Castle 240 is really meant to be an exhaust fan rather than
intake.
If the screws were just a few mm longer to accommodate the thickness of a typical case,
you could use the Castle 240 as a proper, front-mounted intake with the fans pushing
air through the radiator rather than pulling.
That said for the best look in a windowed case without a top mounting location like
this one, you could install it like this, with the radiator exhausting out the front.
Unorthodox, sure, but it does look cool.
Finally, for wiring, the fan headers plug into the 4-way splitter, and the splitter
then plugs into your motherboard.
The LED leads plug into a splitter cable, which can then be connected to an RGB header
on your motherboard or to the inline controller.
If you go the controller route, you'll need to plug the controller's power cable into
a SATA power jack.
Once all the cables are tidied up, this is a pretty sweet setup.
Now let's get to the benchmarks.
My test bench is a Ryzen 3 1200 overclocked to 4.1GHz at 1.35V, the graphics card is a
passively cooled GT 1030 from MSI, and thanks to Seasonic for the 850W Focus Plus power
supply.
Both the graphics card and power supply can run fanless, meaning the only sound coming
from this system is from the CPU cooler itself.
Load temperatures are taken with the CPU running Prime95, and cooling results are reported
as deltas; degrees above ambient temperature.
First we'll look at the idle results.
These are the noise levels and temperature deltas with no programs running and the fans
at their minimum RPM.
One issue I have here is the pump noise.
It's not loud by any means, but in a very quiet room with the fans barely spinning,
the pump is audible.
I think a large part of that is due to its roughly 2600 RPM operating speed.
Anything spinning that fast is going to produce some noise, and if Deepcool could figure out
a lower RPM pump they could become the new king of AIOs.
Next we'll take a look at the RPM vs PWM graph to show the granularity of control you
can achieve with the fans.
These results are fairly typical, with any PWM setting in the bottom roughly 20% running
at minimum RPM.
The rest of the fan curve is very close to linear and shouldn't present any problems.
Now here's the Delta C vs RPM graph to show whether the cooler is limited by airflow or
by heat transfer.
A leveling off at higher RPM indicates the cooler is limited by heat transfer, while
a consistent drop in delta indicates airflow is the limiting factor.
For the most part, tower coolers and AIOs are limited by heat transfer while top-down
and low profile coolers are limited by airflow.
Based on these results, I think the Castle 240 is being held back mostly by the processor's
heat spreader – it's only so efficient at transferring heat from the CPU to the cooler.
In other words, at least on a relatively low power chip like the 1200, adding a second
set of fans in push/pull probably won't make much difference in the delta at higher
fan speeds.
Now here's the most important graph for performance: temperature delta vs noise.
This answers the question "how loud is it and how well does it cool?"
The Castle 240 brings an impressive show here; equal or better temperature performance than
every high-end cooler I've tested except for one.
Cryorig's A40 Ultimate can hit about 3 degrees lower, but the Castle 240 has a pretty major
advantage: the A40's minimum noise level is over 33dB whereas the Castle 240 can reach
30.
A 3dB difference doesn't sound like much, but under very quiet conditions that could
make or break an extremely quiet build.
Now we'll look at the load results.
These measurements are taken with Prime95 running and the fans at full speed to show
the cooler's upper limits.
The Castle 240 lands almost at the top, beating out every cooler except the A40 in temperature,
but leading the A40 in noise by more than 4dB.
The main driver of the noise here is the fact that the Castle 240 has 2 fans – most of
these coolers only have one.
It will be interesting to see how it stacks up against dual-fan tower coolers in future
reviews.
Hint hint.
Now here's the chart of cooler scores, a combined rating of temperature and noise.
You can think of this as a metric to compare coolers running at their optimal speed, balanced
between cooling performance and noise level.
Owing to its exceptional noise and temperature performance, especially at low fan speeds,
the Castle 240 is the new king.
Even at the minimum fan speed, it can keep my Ryzen 3 1200 under 70 degrees while only
producing 30dB of noise.
That is really impressive performance, and it means that even under load the Castle 240
can run nearly silent – basically inaudible if your GPU has a fan or if you have even
a single hard drive in your case.
Finally, cooler score per dollar to show price to performance.
Unsurprisingly the Castle 240 falls behind here.
It's a high end cooler with pretty significant features unrelated to performance, and AIOs
have always been relatively expensive.
But, the Castle 240 isn't designed to be a budget competitor; it's designed to be
a cooling beast with crazy LEDs, and it is exactly that.
The Castle 240 is a top tier cooler all around.
The LEDs are brilliant, bright, and beautiful, the installation process is nearly perfect,
and the cooling and noise performance are right up there with the best I've tested.
It's a highly capable cooler that can handle the super high-end Core i9 CPUs from Intel
and Threadrippers from AMD, and look really good while doing it.
If you're looking to upgrade to water cooling and add some very intense RGB light to your
build, the Deepcool Castle 240 RGB takes my top recommendation.
Follow the link in the description to pick one up for yourself.
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and if you have any questions on the Castle 240, leave them in the comments below.
Thanks for watching, I hope I helped, and I'll see you in the next video.
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