Sonata Proto


Where to Buy

Affordable Quiet Computing™

Like all the cases in Antec’s Sonata line, the Proto is a consumer case with an emphasis on quiet performance. Going quiet doesn’t mean breaking the bank now that the affordable Quiet Computing™ case is here. Introducing the Sonata Proto: All the features and performance of the renowned Sonata line, in a value enclosure.

Sonata Proto

Features and Specs

Luxury and Functionality

Continuing the legacy of the Sonata Family Series, The Sonata Proto combines both elegant styling with extraordinary performance and noise reduction features. The Sonata Proto is whisper quiet when it comes to system noise reduction and with the new High Definition front audio ports, the sound you want your system to make will be crystal clear. The 2x front USB 3.0 connectors allows for simple data transfer. The Sonata Proto has elegant styling with extraordinary performance and amazing noise reduction features.

Quiet Operation

Internal drive bays in individual trays with silicone grommets to absorb hard drive vibrations


Keeping your components safe should be priority above everything else. The Sonata Proto offers two locks, located in the side panel and the front. The Metal double-hinged door allows the door to open up to 225°

Model Sonata Proto
UPC 0-761345-15145-0
Unit Dimensions 16.7" (H) x 8.1" (W) x 18.2" (D)
425 mm (H) x 206 mm (W) x 463 mm (D) Package Dimensions • 19.5" (H) x 10.5" (W) x 21.5" (D)
495 mm (H) x 267 mm (W) x 546 mm (D)
Case Type Mid Tower Case
Color(s) Silver/black
Cooling System 1 x rear 120 mm TwoCool™ exhaust fan
1 middle mm fan (optional)
Drive BaysColor(s) 10 drive bays
External 3 x 5.25"
External 2 x 3.5"
Internal 4 x 3.5"
Internal 1 x bottom-mounted 2.5" SSD drive
Front Ports 2 x USB 3.0
Audio In and Out (AC'97 and HDA compatible)
Expansion Slots 7 expansion slots
Motherboard Support Standard ATX, microATX, Mini-ITX
CPU Cutout No
Weight Net Weight 20.2 lbs / 9.1 kg
Gross Weight 25.7 lbs / 11.6 kg
Manual Download File type File size
Sonata Proto Manual EN 577.54 Kb
Product Flyer Download File type File size
Sonata Proto Flyer EN 1,945.68 Kb
Other Material Download File type File size
Award Publisher Title Language Date
Overclockers Club Sonata Proto "A brand that many computer enthusiasts have come to know and love is Antec. Antec has had their foot in the door since 1986 and has kept up with their reputation as a worldwide leader in computer...

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en 2010-05-20 Sonata Proto "The overall fit and finish of the case is very good which is expected from Antec. The steel construction is ideal for Quiet computing. The locking features are nice if you must keep your PC in a...

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en 2010-05-18
Legit Reviews Sonata Proto "Legit Bottom Line: Antec has again made an affordable, yet well constructed case in the mid tower class with the Sonata Proto, a case that will appeal to a large number of consumers."

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en 2010-05-17
Marketwire Sonata Proto "In response to popular demand, the Sonata Proto sports a new matte black exterior for an extra stylish edge, as well as an interior 2.5" SSD mount for convenience. The standard Sonata combination...

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en 2010-04-07

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