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Item#: N82E16811119279

Cooler Master N300 - Mid Tower Computer Case with Meshed Front Panel

  • Polymer, mesh front bezel ATX Mid Tower
  • USB 3.0 x 1 (int.)
  • USB 2.0 x 2
  • Mic x 1
  • Audio x 1 (supports AC97 / HD Audio) Front Ports
  • 2 External 5.25" Drive Bays
  • 7 Internal 3.5" Drive Bays
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Cooler Master N300 Mid-Tower Case
 
The N300/N500 series cases join the existing N200, N400, and N600 to complete the N Series. They do so with a full array of exciting options that have been designed specifically with cooling performance in mind, especially liquid cooling. Their full mesh front panels and well-ventilated layout provide for a more abundant flow of air throughout the case. Fully embracing liquid cooling, N300 supports liquid cooling radiators up to 240mm.
 
feature1
Scalable Cooling
Supports a 240mm liquid cooling radiator or two 120mm fans on the right side.
 
feature2
High-End Hardware Support
Supports long graphics cards and tall CPU coolers.
 
feature3
Expansive Air Cooling
Includes two XtraFlo 120mm Fans, with support for up to eight fans.
 
feature4
Rich I/O Panel
The rich I/O panel allows easy access to two USB 3.0 port, two USB 2.0 ports and two Audio In and Out jacks (supports HD Audio).
 
feature5
Easy Maintenance Dust Filters
Dust filters provided at the Top, Right, Side Panel, and PSU intakes prevent dust buildup.
 
What's in the Box
 
box
  • N300 Case
  • Accessory Box
  • User Manual
 
N Series Comparison
 
    This Model      
masterlogo n200 n300 n400 n500 n600
  N200 N300 N400 N500 N600
Features
Size Mini Mid Mid Mid Mid
Dimensions 7.95in. x 14.9in. x 17.5in.
(202mm x 378mm x 445mm)
7.5in. x 16.7in. x 19.3in.
(190mm x 426mm x 491.5mm)
7.5in. x 16.7in. x 19.7in.
(190mm x 426mm x 501.4mm)
7.8in. x 18.3in. x 18.9in.
(200mm x 450mm x 475mm)
8.1in. x 17.9in. x 18.9in.
(207mm x 455mm x 520mm)
Expansion Slots 4 7 7 7 7
5.25in. Bays
(Optical Drives)
1
(Max. length of
5.25in.: 6.7in. (170mm))
2 (exposed) 2 (exposed) 3 (exposed) 3 (exposed)
3.5in. Bays
(Hard Drives)
3 1 (exposed)
7 (hidden)
1 (exposed)
7 (hidden)
4 (hidden) 7 (hidden)
2.5in. Bays
(Hard Drives
or SSDs)
4 1 (hidden) 3 (hidden) 4 (hidden) 5 (hidden)
4 in SSD cage
1 behind MB tray)
Side Panel Window No Optional No Optional Window & Non-Window Available
Compatibility
All-In-One (AIO)
DIY Watercooling
Radiator Support
1 x 120mm
and
up to 1 x 240mm
Up to 2 x 240mm Up to 2 x 240mm Up to 2 x 240mm Up to 2 x 240mm
Motherboard
Support
mATX, M-ITX mATX, ATX mATX, ATX mATX, ATX mATX, ATX
Maximum CPU
Cooler Height
w/o 120mm side panel fan:

6.3in
(160mm)

with 120mm side panel fan:

5.5in.
(140mm)
6.4in.
(164mm)
6.4in.
(164mm)
6.4in.
(162mm)
6.6in.
(167mm)
Maximum Graphics
Card Length
14in.
(355mm)
12.6in.
(320mm)
12.6in.
(320mm)
15.9in.
(405mm)
16.9in.
(430mm)

 


Learn more about the Cooler Master NSE-300-KKN1

Model

Brand
COOLER MASTER
Series
N300
Model
NSE-300-KKN1

Spec

Type
ATX Mid Tower
Color
Midnight Black
Case Material
Polymer, mesh front bezel
With Power Supply
No
Motherboard Compatibility
Micro ATX / ATX

Expansion

External 5.25" Drive Bays
2
External 3.5" Drive Bays
1
Internal 3.5" Drive Bays
7
Internal 2.5" Drive Bays
1
Expansion Slots
7

Front Ports

Front Ports
USB 3.0 x 1 (int.)
USB 2.0 x 2
Mic x 1
Audio x 1 (supports AC97 / HD Audio)

Cooling System

120mm Fans
2

Physical Spec

Dimensions
7.5" x 16.7" x 19.3" (W x H x D)
Weight
11.5 lbs.

Features

Features
Full mesh on the front panel

Supports a 240mm liquid cooling radiator or two 120mm fans on the right side / at the top

Supports a 120mm liquid cooling radiator in the rear

Includes two SickleFlow 120 fans (no LED) arranged for optimum airflow with support for up to 8 fans

Can install one optional 120/140mm fan on the left side panel to cool the graphics cards

Supports high-end graphics cards up to 320mm / 12.6 inch, including NVIDIA GTX 690 & AMD HD 7990

Super Speed USB 3.0 support

Supports up to 8 HDDs (2 tool-less)

Dust filter under the PSU for easy maintenance

Accessible power switch button with blue LED illuminated when the power is on

Quick Info

Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year


Customer Reviews of the Cooler Master NSE-300-KKN1

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  • Alex F.
  • 2/2/2014 7:53:53 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat Case for the Price and AWESOME SUPPORT!

Pros: Great case, easy to work on. Awesome support from Cooler Master as well for a relatively small issue. The case comes with 2 SickleFlow 120 fans. Upon receiving the case, the front fan developed a slight rattle. I contacted Cooler Master and after giving them my info they say they would send a new fan right away. A few hours later, I received a personal call from Patrick J, my support rep. He informed me that they were out of stock of the fan and that to make things right, they were going to send me 2 (not just the one that was broken) new JetFlo 120 fans. Awesome customer service and support by both Patrick and Cooler Master. This was a really minor issue of a $10-$15 fan but they treated me as if I was a top customer.

Cons: The fan that rattled when I received it but I can't call it a con after the support I received to fix the issue

Other Thoughts: Awesome support from Cooler Master!

Did you find this review helpful? Yes No

  • Jason H.
  • 1/30/2014 2:49:03 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsAnother solid Cooler Master Case

Pros: Lightweight considering size
Ample interior room
Good Cooling capabilities
Lots of room for Hard Drives
Supports 240mm AIO water coolers
CPU tray cutout is large for easy CPU cooler access
USB 3.0 ports up front

Cons: Metal used is thin
Included fans are a little noisy
Limited options for clean wiring
Only one standard SSD mounting position
Not all intake positions have dust filters

Other Thoughts: The CoolerMaster N300 is a solid good looking case. It offers excellent cooling opportunities allowing for many AIO water Cooling options. It comes with one intake and one exhaust fan, but can accommodate several more if needed. Since this build was for my Amahi server I just added an additional intake fan to blow across my 6 hard drives.

The case was pretty easy to work with. Bottom mount PSU position is great and the intake for it has a dust filter. The Motherboard tray has a large opening in the back in case you use a higher end cooler and need access to the back side of the mobo. USB 3.0 ports up front are nice to have.

The included fans are a little audible with a slight hum. Nothing bad, just can notice it compared to my dead silent LEPA fans.

The case materials are a bit thin, so denting them could be a concern as it seems like it would not take much to crease it. However, thus far I have had no such issues and the frame appears solid and strong.

I like the fact that the case can accommodate several hard drives, although I wish it had more than one 2.5" drive mounting position as SSD's are becoming more relevant.

Hiding wiring is a concern as there are few options for cable routing. Using a modular PSU would help here.

For $50 the N300 is a good case. It is not perfect, but offers enough positives to overlook some of it's cost cutting measures.

1 out of 1 people found this review helpful. Did you? Yes No

  • Robert F.
  • 1/15/2014 10:27:53 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsSleek

Pros: - Esthetically beautiful.
- 1 USB 3.0.
- Can fit a dual 120mm radiator, in two spots.
- Comes with 2 case fans, easily expected from Cooler Master.
- Lots of 120mm fan options including 140mm for optimized air flow.

Cons: Maybe cable management would be a pain for first time builders.

Other Thoughts: Some reviewers say this case is mediocre. Not me.

Did you find this review helpful? Yes No

  • Thomas F.
  • 12/30/2013 6:53:16 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsUpdated Review

Pros: After Actually Finishing A Build In The Case & Testing Extensively It is more solid after everything is buttoned up.

Cons: The SSD issue can be fixed with a 3.5 inch Adapter.

Other Thoughts: None

Did you find this review helpful? Yes No

  • Thomas F.
  • 10/18/2013 5:35:34 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsCheap Looks Good

Pros: Looks. Usb 3.0

Cons: SSD mount is useless too close to the bottom to get a power connector on it, Had to make spacers. Very thin metal. Casse flexes when moved...

Other Thoughts: Get the N200 It,s much better. This should not be a N-Series case

Did you find this review helpful? Yes No

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Cooler Master > 
Item#: N82E16811119279
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