Antec One

Antec One Mid Tower

Antec One Mid Tower

(122 reviews)
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  • For new builders and seasonal system integrators alike, everyone will find something to like in Antec's One. This enclosure is stocked with features any builder will value at an attractive price — ample cooling, USB 3.0, tool-less 5.25" & 3.5" drive bays and bottom-mounted PSU intake with air filter — so that you can put your PC together with ease and get to the fun stuff. If you're looking for high quality PC essentials at an affordable cost, then this enclosure is the One for you.

Specifications Overview

Model One
Release Date February 2012

* First availability for purchase, it may not correspond to the actual market launch date.

Type ATX Mid Tower
Color Black
Includes Power Supply
External 5.25" Drive Bays 3
External 3.5" Drive Bays 0
Internal 2.5" Drive Bays 1
Internal 3.5" Drive Bays 6
Motherboard Compatibility ATX, Micro ATX, Mini ITX, Thin Mini ITX
Front Panel I/O USB 3.2 Gen 1 Type A
Dimensions 436 mm x 208 mm x 487 mm
Volume 44 L
Max VGA length allowance 266 mm
Expansion Slots 8


  • Build quality
  • Access to CPU backplate
  • Two 2.5'' bays
  • 2x USB 3.0 ports
  • Dust filter for PSU


  • No dust filters for the fans


Model Antec One
Case Type Mid-Tower
Color(s) Black
Cooling System - One 120 mm top exhaust fan
- One 120 mm rear exhaust fan
- One 120 mm side intake fan (optional)
- One 120 mm front intake fan (optional)
- One 120 mm / 140 mm bottom fan (optional)
Drive Bays - Three 5.25" drive bays
- Five 3.5" drive bays
- Two 2.5" drive bays
Front Ports - 2 x USB 3.0 with included USB 2.0 adapter
- Audio In/Out
Expansion Slots /
video card size
- Seven expansion slots
- 10.5" (266 mm) maximum video card size
PSU No Power Supply included
Motherboard Support Standard ATX, microATX, Mini-ITX
CPU Cutout Maximum-sized CPU Cutout
Cable Management N/A
Side panel features N/A

- 18.2" (H) x 9.5" (W) x 20.9" (D) /
- 463 mm (H) x 241 mm (W) x 530 mm (D)


Weight - Net Weight: 10.8 lbs / 4.9 kg
- Gross Weight: 12.5 lbs / 5.6 kg
Maximum CPU cooler height 6.1" ; 155 mm
UPC 0-761345-15970-8

Expert reviews


In terms of first impression, the Antec ONE does a great job. It takes a different approach than one of the main competing cases, the Fractal Design CORE 3000, by offering better build quality, USB 3.0 along with a noticeably different internal look...


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HEXUS Snapshot: The One is pleasant to work with, it cools surprisingly well and, frankly, punches well above its weight. Few things are as satisfying as a good bargain, and we reckon we've found one in Antec's latest mainstream chassis. Dubbed simply...


Antec’s One may only cost $60 but it boasts a great feature set, plenty of fan options and the exterior design isn’t particularly offensive like some competing cases. However, with Corsair’s 200R and several other cases breathing down their necks,...

Hardware Canucks

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