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  • Antec Three Hundred ATX Mid Tower Gaming Computer Case
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Antec Three Hundred ATX Mid Tower Gaming Computer Case

by Antec
| 16 answered questions

List Price: $74.95
Price: $61.88 & FREE Shipping
You Save: $13.07 (17%)
Only 2 left in stock.
Ships from and sold by PC Parts Depot in easy-to-open packaging.
  • Mid-tower
  • 9 Bays
56 new from $1.50 1 used from $685.76
This item’s packaging will be visible when delivered and cannot be gift-wrapped.

Frequently Bought Together

Antec Three Hundred ATX Mid Tower Gaming Computer Case + Asus 24x DVD-RW Serial-ATA Internal OEM Optical Drive DRW-24B1ST (Black) + WD Blue 1 TB Desktop Hard Drive: 3.5 Inch, 7200 RPM, SATA 6 Gb/s, 64 MB Cache - WD10EZEX
Price for all three: $131.87

These items are shipped from and sold by different sellers.

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Technical Details

  • Brand Name: Antec
  • Model: Three Hundred
  • Item Package Quantity: 1
  • Color Name: Black
  • Width: 21.00 inches
See more technical details

Product Details

  • Product Dimensions: 18.3 x 8.1 x 18 inches ; 2.6 pounds
  • Shipping Weight: 19.3 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B000GQMHBI
  • Item model number: Three Hundred
  • Average Customer Review: 4.7 out of 5 stars  See all reviews (211 customer reviews)
  • Amazon Best Sellers Rank: #34,104 in Electronics (See Top 100 in Electronics)
  • Date first available at Amazon.com: July 7, 2004

Product Description

Product Description

Antec Three Hundred Chassis THREEHUNDRED 220

From the Manufacturer

Ideal for home-computer builders and gamers, the Antec Three Hundred Gaming Case is an affordable and versatile mid-tower case with enough room for the tallest graphics cards, six hard drives, and three optical drives. Three-speed, top and bottom fans, a washable air filter, a perforated front bezel, and the option for three additional fans keep your system cool and dust-free. The Three Hundred also features durable, black-finish steel construction and a cable compartment for neatness and increased air flow.

callout box top
Three Hundred
Gaming Case

At a Glance:
  • Versatile case with six hard-drive bays, three optical-drive bays, one internal bottom-mounted 2.5-inch SSD drive bay, and seven expansion slots

  • Three-speed rear and top fans keep system cool

  • CPU cutout allows for easy installation of CPU coolers

  • Washable air filter reduces dust buildup

  • Perforated front bezel for maximum air intake

  • Top-mounted audio in/out and USB ports for easy access

  • Backed by a three-year limited warranty
callout box bottom
Antec Three Hundred Gaming Case
Features durable, black-finish steel construction. View larger.

Antec Three Hundred Gaming Case
Six hard-drive bays and three optical-drive bays provide versatility. View larger.
Customizable to Fit Your Needs

The Antec Three Hundred Gaming Case combines a manageable frame size with extensive options for customizing your computer or gaming system. With enough room for a standard ATX motherboard, tall graphics cards such as the NVIDIA 8800 series and the ATI HD 3800 series, six hard drives (internal 6 x 3.5 inches), one SSD drive (internal bottom-mounted 2.5-inch), and three optical drives (external 3 x 5.25 inches), the Three Hundred is a small yet versatile case for professionals, system builders, or gamers.

Top-Mounted I/O ports for Easy Access

Situated at the top of the front panel are access ports for headphones, microphone, two USB 2.0 ports, and the power-and-reset button, so you can quickly and easily plug in to your system.

Optimal Cooling Right Out of the Box

Designed for extensive use, the Three Hundred includes one 120-millimeter rear exhaust fan and one 140-millimeter top exhaust fan with built-in individual controls for low, normal, or high speeds. A CPU cut-out allows for easy installation of CPU coolers. Additionally, the front bezel is perforated for maximum air intake, and the washable air filter reduces dust buildup in your system, helping to keep your equipment cool, dust-free and reliable.

Optional Fan Mounts Increase Air Flow

The Three Hundred is designed to quickly and easily accommodate two optional, front 120-millimeter intake fans to help cool the hard drives, and a convenient opening next to the fan cage allows you to run the fan wires without obstruction. You can also install a side 120-millimeter intake fan to cool graphic cards.

Cable Compartment Provides a Clean Look and Better Cooling

Cables can be neatly tucked inside the built-in cable compartment, so you can keep your system organized and the airflow unobstructed. Routing cables is easy and efficient with the two reusable cable ties that are attached to the compartment wall.

Technical Details

At 15.9 pounds, the Three Hundred Gaming Case is 18 inches tall, 18.3 inches deep, and 8.1 inches wide. It features durable, steel construction, a sleek, black finish, and rubber feet that help resist vibration.

The Antec Three Hundred Gaming Case is backed by a manufacturer's three-year limited warranty.

What's in the Box

Three Hundred Gaming Case, user's manual, and hardware for attaching the motherboard (not included) and the power supply (not included).

Antec Logo
Gaming Cases
Specifications Antec Three Hundred Gaming Case
Three Hundred
Antec Nine Hundred Two
Nine Hundred Two
Antec Dark Fleet DF-85
Dark Fleet DF-85
Antec Dark Fleet DF-35
Dark Fleet DF-35
Antec Dark Fleet DF-30
Dark Fleet DF-30
Drive Bays 9 Drive Bays:
  • External 3 x 5.25";
  • Internal 6 x 3.5" for HDD
  • Internal 1 x bottom-mounted 2.5" SSD
9 drive bays:
  • External 3 x 5.25"; Internal 6 x 3.5" for HDD, or
  • External 6 x 5.25"; Internal 3 x 3.5" for HDD, or
  • External 9 x 5.25"
14 drive bays:
  • Up to 9 x internal 3.5"
  • 3 x external 5.25"
  • 4 x external 3.5" Fleet-Swap drives (position changeable)
  • 1 x external top 2.5" hot-swap SATA drive bay
  • 1 x internal bottom-mounted 2.5" SSD drive
11 drive bays:
  • Up to 6 x internal 3.5"
  • 3 x external 5.25"
  • 1 x top external 2.5" hot swap SATA drive bay
  • 2 x internal 3.5" Fleet-Swap SATA drive bays (position changeable)
  • 1 x internal bottom-mounted 2.5" SSD bay
11 drive bays:
  • 6 x internal 3.5"
  • 3 x external 5.25"
  • 1 x top external 2.5" hot-swap SATA (SSD-compatible) drive bay
  • 1 x internal bottom-mounted 2.5" SSD drive bay
Cooling System Top 1 special 140 x 25 mm TriCool Fan with 3-speed switch control 1 200 x 30mm "Big Boy" TriCool blue LED exhaust fan 2 140mm TwoCool fans 1 140mm TwoCool fan 1 140mm TwoCool fan
Rear 1 120 x 25 mm TriCool Fan with 3-speed switch control. 1 120 x 25mm TriCool blue LED exhaust fan 2 120mm TwoCool red LED fans 1 white 120mm TwoCool fans with white LED 1 black 120mm TwoCool fan with blue LED
Front 2 (optional) 120 mm fans to cool the hard drives 2 120 x 25mm special black blue LED intake fans with front speed control 3 120mm red LED fans with speed control knobs 2 variable-speed 120mm LED fans with white LED 2 black 120 mm fans with blue LEDs and speed control knobs for HDDs
Side 1 (Optional) 120 x 25 mm Fan to cool graphic cards 1 (Optional) 120 x 25mm fan mount 1 120mm fan to cool graphics cards (optional) 1 120mm fan for graphics cards (optional) 1 120 mm fan for graphics cards (optional)
Middle   1 (Optional) 120mm fan mount      
Dimensions
(HxWxD)
18" x 8.1" x 18.3" 19.4" x 8.6" x 18.6" 23.5" x 8.4" x 19.9" 19.1" x 7.8" x 19.1" 19.1" x 7.8" x 19.1"

Customer Reviews

You can't go wrong with this case.
Ricardo Aguilar-chavez
The two built-in fans work well and the case has excellent air circulation (in from the front and top, out through the back).
Streamliner2
This case looks great and has plenty room inside for your components.
ToneCity

Most Helpful Customer Reviews

78 of 80 people found the following review helpful By Lynn on September 6, 2008
Verified Purchase
Purchased the Antec Three Hundred computer case through Amazon to build a new home computer which would be used for everyday computing as well as gaming.

I've used Antec cases before, so was familiar with their very good build quality and features. The Three Hundred is a good compromise between a full-tower gamer's case like the Antec 1200 and the typical case designed solely for home or business computers. It is a mid-tower case, so it doesn't seem huge sitting on or next to our home desk, but it has ample room inside to take a full ATX gamer's motherboard and easily fits two large gaming video cards in "SLI" or "Crossfire" configuration without interference with other internal components.

Interenal hard drive bays are accessed from the front of the case, which makes it easy to service, install or swap drives without disturbing other internal components (although you do have to remove the left side cover to access the latches that allow removal of the front bezel, but this is much easier than it sounds). There are no sharp edges inside the case; all edges are rolled, and the build is sturdy for a case in this price range. Antec supplied an adequate number of case and drive screws and motherboard stand-offs.

Other features:
- This case puts the power supply (not included) at the bottom, which makes the case more stable, but you may need a PS with long cables. I used an Antec TruPower Trio (also purchased through Amazon), which worked out fine. Excess cables can be tucked inside a built-in cable compartment alongside the internal drive bays, which has its own cable ties, for neatness and better cooling.
- Antec supplies 2 large 3-speed fans with this case, one 120 mm blowing out the back and a 140 mm blowing out the top.
Read more ›
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35 of 37 people found the following review helpful By C. Handley on September 30, 2008
Verified Purchase
The Antec Three Hundred case is perfect, it is very lightweight, has a sleek design, comes with ample cooling and all mounting surfaces have been logically placed. The black finish seems a little rushed on the dorsal surface but all other areas seem great. I have built more than 15 computers and this is by far the best price/quality case I have ever used. The only thing I dont like about it is that the mounting surface for the motherboard does not have raised plateus but rather utilizes the old hex male/female screws which should be fazed out by now.

For people in Hawaii it is next to impossible to get free or cheap shipping on anything the size of a computer case. Amazon is the best place to find items which would be too costly to purchase online otherwise, and they dont charge a surcharge.
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14 of 14 people found the following review helpful By D. Ho on April 6, 2009
Verified Purchase
This Antec Three Hundred (300) case is fantastic. After using the Antec 900 case, I was spoiled, but I needed another case for a budget computer. The Antec 300 fits the bill perfectly.

Capacity is great: 6 HDDs and 3 CD/DVDs. Two standard fans give good airflow for hard drives if used in negative-pressure setup.

I opted to setup a positive-pressure case. I removed the two rear fans and installed 3 Antec 120mm TriCool fans: 2 in front and 1 on the side. I blocked the rear 120mm opening and left the 140mm top rear opening clear. Works great. Computer temps: CPU and HDD are very low.

Two suggestions:

1. Positive Pressure Case: If you want a super-quiet setup, install 3 Noctua NF-P12 fans instead of the Antec fans. Problem is price: $60+ (fans) + $60+ (case) = $120+

2. Negative Pressure Case: Another option is an Antec 900 case since it has a huge 200mm fan. You can remove all other fans and use this one alone.

The 300 case is a little easier to handle than the 900 case because the 300 doesn't have the hdd cage.

Lately I do prefer positive-pressure cases. A bit noisier and more expensive than a negative-pressure setup (because of more fans and the noise). However, I do believe dust is less of a problem and there is better control over the airflow.

Pros: low cost, easy setup.

Cons: modders will want more/quieter fans.
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7 of 7 people found the following review helpful By Nite on October 14, 2010
Verified Purchase
I purchased one of these antec 300's around january of 2009 for a intel i7 920 build and pretty soon I'm going to buy a second one to do another build out of spare parts I have. These cases are a excellent value in feutures and in design looks but does have a few cons to keep note of.

Pro:
*Classic Squared Off Design Look (not a ugly curved design like other cases)
*Mounts for 4 x 120MM Fans and 1 x 140MM fans
*Easily Removeable Front Bezel + Front Filter + Front Fan Mounts (For Easy Cleaning)
*Holds 6 hardrives (maybe fewer for some, see cons below) and 3 optical drives.
*Lots of Thumbscrews make installing components quick and easy.
*Wire management pocket behind the hardrive bays.
*Power Supply is bottom mounted (which keeps it cooler)

Cons:
*Small reset button (how often do you need this anyway?)
*Only holds video cards up to 11" long and blocks some of the hardrive bay mounts. (Might matter to others but not a big deal to me since I don't have many hardrives or 12" long cards such as ATI 5970, This is why the hardrive bays are mounted sideways in other cases.)
*No filter for side intake 120MM, had to buy one to go with it.
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