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  • NZXT Guardian 921 RB ATX Mid Tower Case, Black 921RB-001-BL
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NZXT Guardian 921 RB ATX Mid Tower Case, Black 921RB-001-BL

by Nzxt
| 225 answered questions

List Price: $76.00
Price: $71.72 & FREE Shipping. Details
You Save: $4.28 (6%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
Black and Blue
  • Case Type: ATX Mid Tower, SECC Steel
  • M/B Type: ATX, MicroATX, Baby AT
  • External Bay: 3x 5.25", 2x 3.5", Internal Bay: 4x 3.5"
  • Expansion Slots: 7
  • Front I/O Panel: 2x USB 2.0 Ports, 1x eSATA Port, Audio
  • Power Supply: None (Bottom Mounted)
22 new from $63.49 2 used from $60.00 1 refurbished from $65.99
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Frequently Bought Together

NZXT Guardian 921 RB ATX Mid Tower Case, Black 921RB-001-BL + WD Blue Desktop Hard Drive 1TB, 7200 RPM, SATA 6 Gb/sec + Asus 24x DVD-RW Serial-ATA Internal OEM Optical Drive DRW-24B1ST (Black)
Price for all three: $148.10

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Color: Black and Blue
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This item: NZXT Guardian 921 RB ATX Mid Tower Case, Black 921RB-001-BL
Customer Rating (406) (324) (36) (15)
Price $ 71.72 $ 52.85 $ 49.99 $ 44.99
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com Amazon.com Amazon.com
Color Black and Blue Black Green Black
Dimensions 18.08 inches x 20.56 inches x 8.12 inches 17.08 inches x 18.5 inches x 7.48 inches 17.5 inches x 19.5 inches x 7.75 inches 17.9 inches x 17.5 inches x 7.9 inches
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Technical Details

Color: Black and Blue
  • Brand Name: Nzxt
  • Model: 921RB-001-BL
  • Item Package Quantity: 1
  • Supported Motherboard: ATX
  • Device Type: Cases
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Product Details

Color Name: Black and Blue
  • Product Dimensions: 20.6 x 8.1 x 18.1 inches ; 18.1 pounds
  • Shipping Weight: 20 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B004351H9G
  • Item model number: 921RB-001-BL
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (406 customer reviews)
  • Amazon Best Sellers Rank:
  • Date first available at Amazon.com: September 15, 2010

Product Description

Color: Black and Blue

NZXT Guardian 921 RB No Power Supply ATX Mid Tower Case (Black)

Customer Reviews

Very nice pc case, looks pretty cool.
Brian
This case looks pretty angry-- in a good way, though.
Branae Skinner
The blue led lights in the case give it a nice look.
Np

Most Helpful Customer Reviews

98 of 105 people found the following review helpful By Adam Novagen on November 28, 2011
Color Name: Black and Blue Verified Purchase
-------------- UPDATE ---------------

It's been over three years since I purchased this case; in that time, I've upgraded and replaced literally every piece of my computer except this, and the power supply. This continues to be my case of choice, and serves me as well as the day I got it, but I would like to add a few small precautions.

Large graphics cards may be an issue, depending on the card and your motherboard. I now have an EVGA GTX 770, with the eleven-inch Windforce 3 cooler on it, and fitting it into this case has been a bit awkward. When I used my old AMD motherboard, the PCI-E slot happened to be in such a location that I could just slide the tip of the graphics card into the 3.5" drive bay, and everything was fine. I have since upgraded to a newer Intel motherboard, however, and the PCI-E slot was higher up on the board, causing the tip of the card to collide with the bottom of the 5" drive bay. The overlap was minimal, and I was able to use some pliers to forcibly bend the edge of the drive bay down to allow the card to (barely) fit in, but if you use a particularly large card you may need to find a slightly roomier case.

The hinges for the plastic door that covers the drive bays squeak a bit from time to time, and there's a small crack toward the top of the case where the LEDs illuminating the three built-in temperature readouts shine through. Otherwise, however, I have still had no problems with it; the fans run as well as the day I bought it, the cables are doing fine, and everything sits as it should. In general, I still recommend this case after 3+ years of use.
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40 of 42 people found the following review helpful By Gustavo77 on August 31, 2012
Color Name: Black and Blue Verified Purchase
Great tower, its an around great package. I'm gonna break it down in two parts, first in looks then in performance.

Looks: What else can I say rather than it looks very nice, the blue LEDs in the front are very slick and the blue LED lit fan on the side of the case looks very nice as well. The temp display on the top should be a bit brighter though, at night or in a dark room it looks fine, but in daylight or far away, it can be hard to see. Only minor complaint besides the display not being bright enough on the top of the case is the side glass panel. It's a good quality build and looks very nice, however the stock picture leads you to believe that the side panel is well lit up and you can see the inside components with ease. This is not the case, The LEDs on the fan do not light up very much of the glass or the inside of the case so you would need to buy extra lights in order to light it up well in there. Other than that, very happy with the looks of this case.

Performance: There are a few things I can touch on, firstly the airflow, the airflow is great, I put my hand on the air vents and it always feels very cool, most I've felt is slightly warm air, never hot, but I guess that also depends on the type of parts you use inside and whether your parts are beastly and produce lots of heat or not. In either case, the case is roomy and provides with good airflow.

When I bought this case I didn't see many holes so I thought cable management might be an issue, but after putting all parts together and hooking them up I found that it has pretty decent cable management options.
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20 of 22 people found the following review helpful By R. Grazier on November 12, 2012
Color Name: Black and Blue Verified Purchase
Just gonna keep this short, but this case is pretty awesome. Didn't have any fitment issues with my MB (ASRock Z77 Extreme4) or my power supply. The only thing is that I wish there was a little better instruction on how to install the temperature sensors (I just left mine dangling in one of the 3.5" bays for now since I don't know how to set them up). Oh and the included brackets to install the hard drives are freakin fantastic, no screws needed! Although FYI, if you plan on having an SSD as one of your hard drives you may encounter some fitment issues, especially if you don't have a 3.5" adapter!
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28 of 34 people found the following review helpful By Eric H on February 26, 2013
Color Name: Black and Blue Verified Purchase
I bought this case for my first PC build. Since it was my first build and I thought all cases were the same with the only difference being the bells and whistles. I ended up picking the NZXT Guardian because it had all the cool lights and temp probes and most of all was cheap. If I could go back and buy a case again I would have went with function over flashy.

Pros:

Built in temp probes are convenient for monitoring PCU, HDD and System Temp (read cons)

Came with 3 fans- 120mm front intake, 120mm exaust, 120mm blue led side intake

Removable back panel to acess CPU bracket without taking out the MOBO

Front USBx2, Audio, Mic and E-Sata ports

Fits my corsair H60 nicely (had to use this because airflow was bad)

Blue light look nice

Clean overall look

Cons:

The HDD drives are right in the way of my top PCI-E 2.0 x16 slot so my graphics card wouldn't fit. If you have a very short GPU it might fit but if you plan on crossfire or sli make sure you measure first or just buy a different case

Very few Cable management option. If your going to put a window on the side at least give us some cable management options so there isn't wires hanging all over when you look in.

My CPU temp probe stopped working 1 week after installing. After looking on NZXT foroms this seems to be a common problem

Very little airflow. I am running a FX-8350 at stock clocks and with the factory CPU cooler my CPU was running around 70c under load and GPU would reach almost 90c under load. The front cover on this case has a small hole cut in the bottom infront of the fan to allow airflow but it's only about 1" tall and 3" wide so it limits the air the front fan can pull in.
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