# Antec Gaming Series ONE Mid-Tower PC/Gaming Computer Case with 10 Drive Bays, 120mm Fans x 2 Pre-Installed, 120/140mm Fan Mounts, USB 3.0 x 2, 7 PCI-E Slots, Max CPU Cutout for ATX, M-ATX and Mini-ITX

- Category: Case
- Brand: Antec
- Model: One
- Part number: One
- Price (US): currently unavailable
- Price last checked: 2026-08-05
- Rating: 4.3/5 from 447 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/case/antec-one/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Antec |
| Model | One |
| Cabinet Type | ATX Mid Tower |
| Side Panel | Steel |
| Color | Black |
| Power Supply | N/A |
| Maximum 3.5 Drive Space | N/A |
| Maximum 2.5 Drive Space | N/A |
| GPU Length | 266 mm / 10.472" |
| Supported PSU Size | ATX |

## Key Features

- Ample cooling with 120mm x 2 fans pre-installed and 120/140mm fan locations x 3.
- Tool-less drive bays with 2.5” x 2, 5.25” x 3 and 3.5” x 5; 7 expansion slots for multiple GPUs with max size of 266mm.
- Supports ATX, Micro-ATX and mini-ITX motherboard; multiple I/O ports with USB 3.0 x 2, USB 2.0 adapter and audio in/out for easy front access and controls.
- Dimension (HxWxD): 438mm x 208mm x 488mm; 155mm max CPU cooler height and 266mm max video card size.
- The max size CPU cutout lets you install a new CPU with ease; a bottom-mounted PSU intake with air filter.

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