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be quiet! Dark Base Pro 900 Black rev. 2

Ships from United States.

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  • Outstanding flexibility and silence
  • be quiet! Dark Base Pro 900 Black offers unrivaled flexibility with impeccable cooling and silence features for high-end enthusiasts and individualists.

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews
be quiet
be quiet
be quiet
be quiet

Outstanding flexibility and silence

be quiet! Dark Base Pro 900 Black rev. 2 is the perfect case for all who expect the highest standards when it comes to modularity, compatibility and design.

  • Motherboard tray and HDD slots with enhanced possibilities for individual requirements
  • Three Silent Wings 3 PWM fans
  • Stepless dual-rail fan controller is switchable between Silence and Performance modes
  • Ready for radiators up to 420mm
  • PSU shroud and HDD slot covers provide a neat interior
  • Side panel made of tempered glass
  • Eye-catching RGB LED illumination
  • Three years manufacturer’s warranty
  • German product conception, design and quality control
be quiet

RELOCATABLE MOTHERBOARD TRAY

Flexibility for individual requirements

The decoupled motherboard tray adapts to suit individual requirements, being completely relocatable and usable as a test bench. You can adjust it to three different heights or install it alongside the left panel in an inverted layout with redefined airflow. It is fully compatible with E-ATX and XL-ATX motherboards.

be quiet

SILENT WINGS 3

Impeccable cooling and silence

The three preinstalled Silent Wings 3 140mm PWM fans offer virtually inaudible operation. They are equipped with a smooth-running 6-pole motor, durable fluid-dynamic bearing and airflow-optimized fan blade design. The frame has funnel-shaped air inlets that generate high air pressure.

be quiet
be quiet

MODULAR HDD SLOTS

Generous space for your setups

The installation options are flexible thanks to repositionable single HDD slots. Supports up to 5 HDDs, 10 SSDs and 2 optical drives out of the box. The practical slot covers serve to hide any unused HDD slots and keep the inner workings neat and tidy. This enables you to create systems that are just as individual as you are yourself.

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VERY FUNCTIONAL PSU SHROUD

Offering unexpected possibilities

The PSU shroud offers you a variety of solutions – not just for hiding the PSU and to keep the system neat and tidy. The cover plates are separately detachable, making it possible to install a fan or an SSD on the top of the PSU shroud and leave enough space for a radiator in the front.

be quiet

FULL CIRCUIT AIRFLOW SYSTEM

A silence concept by the silence experts

With its smart silence concept, Dark Base Pro 900 rev. 2 is the perfect case for the extreme requirements of overclocked systems and super silent water-cooled PCs. It can carry up to seven additional fans, up to four radiators and has noise-reducing vents all around the case that provide ultra-effective full circuit airflow.

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be quiet

DUAL RAIL FAN CONTROLLER

Creating separate cooling zones

The eight PWM fan connectors are divided over two rails, and each is switchable between Silence and Performance Mode. This makes it possible to create two cooling zones that can be controlled by just the front panel switch. If you want all fans to run at the same speed, you can switch both channels to the same mode.

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TEMPERED GLASS AND LEDs

A perfect view inside your PC

The case is equipped with an elegant, fully windowed side panel that is made of tinted and tempered glass. The eye-catching internal LED illumination comes in six switchable colors. You can locate the LED strips freely inside the PC case.

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SMART I/O PORT AND CONVENIENT CHARGER

Fulfilling practically every desire

The front I/O port offers perfect compatibility for your high-end PC. A connector of USB 3.1 Type C Gen. 2 is supported. Integrated wireless charger for Qi enabled devices such as smart phones.


Group

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Color
Black

Additional Information

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Date First Available
October 01, 2018
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details
Ownership: 1 week to 1 month
Verified Owner
5/ 5
The quiet giant among other mere mortal PC cases 5/12/2020 7:07:25 PM

Pros: Heavy. Spacious. Unique. These are the words to describe this full tower PC case. The previous full tower PC case (still in the box) wasn't like this Be-quiet! Base Pro 900 orange rev.2. Let me get back to this full tower PC case that will be holding.

Will Ferrell’s voice Ladies and gentlemen, gamers of all ages I’m proud to present:

Coming in a whopping size of someone’s mother-in-law (less cranky) an MSI x570 Unify AM4 Mobo which will house a Ryzen 7 3700x CPU by cooling it down with a Noctua NH-L9a CPU cooler. As the Count (Sesame Street) would say not one but TWO 8GB (fully locked and loaded) Crucial Ballistix Sport LT 3200 MHz memory while Samsung 250GB EVO will be loading Windows 10 PRO and the other SSD Crucial mx500 (1TB) holding all my (X)-files. And then a Creative Sound Blaster (DJ, spin that song) Audigy RX 7.1 sound card being accompanied by TP (Not toilet paper) link Ethernet card. The small and bulky GeForce GTX 1660 GPU (in my current 6 yr old PC) to join the partay. Did I mention an EVGA Supernova 80+ Platinum 750w full modular power supply? Yes I will be adding that for superior firepower of wattage to this (pin drop) Be-quiet! Base Pro 900 orange rev.2 pc full tower.

Cons: First and only problem is that I am not a fan of tempered glass. I am always afraid it will break upon impact by some arcane magic. I know there are benefits to having a tempered glass big or small PC case. But this won’t let me stop to enjoy it.

Nevertheless to improve this case would be a black aluminum side panel since there are two holes. And then probably have a strong plastic window (not too expensive) to see inside the PC. I believe in variety to give back to the consumer since this bulky PC case is a great investment.

As for any problems, bugs, something stuck in my teeth or even defect, nothing so far until my new PC is built. I will give an update in a few weeks so be ready cousin Eddie.

Overall Review: I give this full tower pc case 4.85 eggs just for the tempered glass. Even though there are only solid eggs in real life. Hopefully someone is designing side panel accessories for this case if not then those engineers got plenty of time on their hands.

No eggs will be knocked off. Just a thought on the front panel. Keeping a solid front with all the padding. But have a cut off allowing the two drive bays to have easy access. In my opinion, open and close front panels are a thing of a past.
Note: For those who are fans of tempered glass then kudos to you.

As for me, I do recommend this Be-quiet! Dark Base Pro 900 Orange rev.2 since this pc case has been in articles floating around. As stated before it is spacious, heavy (great for working out during this Covid-19 crisis), and its unique design to help users customize the inside. I might consider reversing the interior like the Youtube video has out there. Nevertheless building this new PC will give me something positive to do during this crisis.

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Ownership: more than 1 year
Verified Owner
5/ 5
This is a solid great case 3/11/2020 8:39:35 PM

Pros: This is the best case I have owned.
It is really quiet which is what I wanted.
It's good looking.
If you like those huge Nocturne fans you are in luck with this case. There is tons of room for all kinds of devices in this case
Its easy to make your build clean with this case.
I know some people will complain about the glass but I like it. I hate plastic windows because they scratch so easily. This will not scratch.
I had no issues with anything on this case. Wish I could say that for the other cases I purchased prior to this one.

Cons: The adhesive strips for the LED strips are good enough.
They could have left some flat surfaces for the LED strips to mount on which would have helped. You have to dodge screws and rivets and they just don't mount clean enough which adds to the issue of the adhesive strips not being adequate.
This case needs an instruction book not a pamphlet.

Overall Review: This is a case you need to study before you start building. There are a ton of ways to configure everything so spend the time mapping out where and how you will put everything in here. if you just go off building this thinking your fine you will regret that decision. There are some rather complex configurations you can do with this case which takes some thinking. It will take patience. I have no regrets buying this case.

Did you find this review helpful?
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Very quiet! 2/3/2020 5:56:02 AM

Pros: Very quiet!

Cons: Price

Overall Review: I love how quiet this power supply, and the Bark Base Pro 900 rev 2 case are when used together. It is the quietest unit I've ever built.

Did you find this review helpful?
Ownership: 1 month to 1 year
Verified Owner
4/ 5
Flexible, huge, Lot's of bells & whistles... but a pain if you are not an expert 1/23/2020 9:18:54 AM

Pros: More configurations and I can imagine.
So Flexible that anything that can fit can be arranged.
Qi Charger at a convenient location
Solid and sturdy
Very supportive engineers

Cons: No documentation for noobs
The only videos of teardowns are for alternate configurations... this made my build much more confusing.
If you are building an over the top computer like I did... It is still a very tight fit. (1200W PSU, 420 mm radiator, SLI 2080ti's and multiple drives)

Overall Review: It is fantastic, but there are so many options, you either have to already know how all of the features interact, or have someone that knows to rely on. Youtube has 2 teardown videos (at this time) but they both show the same alternate configuration, and are not helpful for the over the top system.
The engineers at BeQuiet! are very helpful, if you know the correct questions to ask, sadly I didn't.
I ended up getting help from the local geek shop... but that is my failure.

Did you find this review helpful?
Ownership: 1 day to 1 week
Verified Owner
5/ 5
be quiet! stop whining! 1/14/2020 11:03:10 PM

Pros: I'm reviewing a little early. The rest of my components won't be in for a couple days but I had some minor anxiety about the case based on recurring review themes. However, I've spent some time playing with it, pulling the various components out and plopping them back in, etc, and I'm a little annoyed at the fussing.

=
Legit Yay-points that are likely to grow as I build this thing out with no big negatives assuming no electrical shenanigans:

* They've been taking notes. Lots of minor old complaints addressed.

* My first case (corsair carbide 400R) was an excellent mid-tower for cable management and ease of assembly. This one is mostly better in that regard from what I'm seeing.

* No quality complaints so far. If people weren't just reaching, be quiet! has attended to any/all things I was looking out for based on fairly old negative reviews.

* Build quality is very solid.

* Unholy doo-doo-butter (this was once a much simpler non-expletive) can you stuff a lot of parts and then even more super-quiet fans if you need the cooling into this thing.

If my review convinces you, wait about 3 days from the publish date, just in case I try to build and faceplant on all manner of bovine sacroth.

Cons: =
Now for the Unreasonable Complaints of Other Reviewers section

* Thumb screws are too tight and there's stripping! - Some were a little tight. Applying gentle pressure with a Phillips head to the phillips head slot on the occasional over-tightened thumbscrew resulted in no jolting or grinding. It just unscrewed with just a touch more torque than I could achieve with my thumb and forefinger alone. The screws and rubber washer thingies are quite nice. I've seen no thread stripping, heard no grinding whatsoever.

* It's hard! - This is a 250+ freaking dollar custom computer case. It's for nerds. That said, semi-patient geeks capable of using a screwdriver with access to both kinds, with some forethought, as-in, thinking before doing, totally qualify. The difference between nerd and geek, fyi, is not smarts. It's patience, dedication, and interest. If you have none of the three, or maybe just one and a half of the three, avoid. If somebody else is building the PC for you, kindly !@#$ off and do not review anything that went into the not-you-building-it of your custom PC. Review the builder in that case if you have strong feelings either way.

* The dreaded PSU shroud of terror! - It takes 4 screws. Seriously. I hit 5 total because I realized at screw #4 (which was wrong) that, no, this is an expensive case. No way would they charge this much and expect people to try and unscrew at a 45 degree angle twice (not even once, actually). All 4 screws are super-accessible with the side panels off. It's a 2-minute job if you already know how. I didn't spend enough minutes figuring it out to even try looking at the manual so many have complained about. There's two screw heads facing out on the glass side, one facing out on the not-glass side (double-hint: which you should remove in addition to the glass panel before removing the shroud). And one on the not-glass side that actually has its head facing the back of the case towards the left.

=
Unavoidable-Comes-With-the-Territory-Negatives

* It's built for quiet, not for best-possible airflow. I got the huge one hoping to off-set the heat penalty but I'm just running a 3700X and a 2070 Super so probably overkill but I plan on piecemeal upgrading every couple of years on this build with an eye towards discovering whether the absolute top of the line is actually worth it in the end. I suspect I won't run out of fan-space before the case itself is too obsolete to use but for optimal airflow, this is probably not the one.

* It really is big and heavy - It has to be. Three reasons. 1. It's about 25% bigger/roomier than a mid-size on every dimension. 2. It cancels noise. Thickness is helpful there. 3. It's modular as !@#$. That's a lot more screws/brackets, etc.

* It's a lot on many levels. If you just want a case that's just good enough for the parts you bought just now, it's too many $, too much space, and too much features for just-want-my-things-to-work-now-custom-PCer, which is where I was at on my first build. Agreed on other reviews saying don't get this if you're not sure if you need/want it. I almost got that fractal mesh case.

* I've never LAN-partied but this case is a horrible choice if that sort of thing is even still going on (it really is rather heavy - do people still LAN party?).

* It's a really silly brand name. But we're all good and bad at specific things. Germany... included.

Overall Review: I wanted it for the big-case-factor, quiet/quality fans, flexibility. No disappointments to date.

7 out of 7 people found this review helpful. Did you?
Ownership: 1 week to 1 month
Verified Owner
5/ 5
Extremely satisfied. 1/3/2020 5:17:16 AM

Pros: - silent operation
- great array of accessible ports in the front
- clean looking due to cable routing and shroud options.
- extremely configurable and reconfigurable
- very classy looking

Cons: (Due to the flexibility) was more complicated to assemble than most
Expensive (but well worth the extra cost)

Overall Review: If you are looking for a great looking case with dozens (if not hundreds) of configuration options that is solid, and near silent you can't get better than this. Be prepared to spend a little more time in assembly, as it has so many options and can be assembled/disassembled in so many ways that you will need to spend some time figuring out how to disassemble/re-assemble it (something you don't usually have to focus on in a cheaper case that has few if any options for reconfiguration._

Did you find this review helpful?
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Best case I've used for a build 12/16/2019 7:22:54 AM

Pros: - extremely quiet case
- very easy to build in
- USB-C and a many front USB
- shroud hides the PSU mess nicely and the 3.5 mount points are great
- ability to have a lot of fans and run them low RPM for silent operation
- brushed exterior is really nice

Cons: - there isn't a lot of space behind the tray for wiring and so you want to be very careful with your cable management
- fingerprints accumulate on the exterior with ease

Overall Review: I've built a lot of systems and this is by far the best case that I've used as I wanted a completely silent system. I'm using a 9900k / 2080ti combo and while playing any games you can't even hear the system under load. I added two extra fans in the case for added flow and the CPU is being cooled by a Dark Rock Pro. Will definitely be buying again for future builds.

Did you find this review helpful?
Ownership: 1 month to 1 year
Verified Owner
1/ 5
Not worth the price!!! 11/23/2019 11:34:36 PM

Pros: Looks cool, has a wireless phone charger, that’s it.

Cons: Weighs a ton! PSU shroud is a nightmare to remove and replace, 35 screws and counting. Very y’all and wide. Did,I mention you might need a forklift to move it?

Overall Review: I honestly wish I could return it and get my money back. There’s something in this case that kept shorting out my system and cause it to shut off. I bought a different case and problem was solved. I even had all new parts installed by the pc shop twice. Don’t waste your money on this, they might make other great items, but this isn’t one of them.

3 out of 8 people found this review helpful. Did you?
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