CM Stacker 830 has proven to be the leader among all chassis with its streamlined aluminum design, extremely power ful functionality, and brilliant modularized mechanism to suppor t both ATX/BTX form factors. Now, CM Stacker 831, the newer and improved Stacker series not only is equipped with the highly praised features from its predecessor, but also incorporates the suppor t for the new Raptor X technology. In addition, enhanced airow design and extra suppor t for 230mm EPS powersupply make Stacker 831 a must-have every PC Enthusiasts want to lay their hands on. This ground-breaking chassis is designed with value-added functionality, unmatched upgradability, tool-free user friendliness, and the superior thermal management.

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Features

Value-added functionality

-Front panel opens to the left or to the right for easy access

-Power supply may be installed up wards or downwards for better airflow and neat cable manager.

Unmatchable upgrade ability

-Supports up to nine 5.25" drives

-Multi-Positioning for the 4-in-3 device modules, providing maximum flexibility in the use of space

Tool-free user-friendliness

-Screwless slots

-Side-opening design for remove 5.25” shield easily

Superior Airflow

-Accommodates up to nine 120mm fans

-High ventilation openings on the top and the sides for excellent thermal Management

Elegant&Robust Design

-THe balance brought out by elegant silver and sleek black colors enrich the appearance

-Solid construction and streamlined aluminum design

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Specification

Dimension (W / H / D) (W) 250mm x (H) 536mm x (D) 638mm

M/B Type E-ATX, ATX, m-ATX,

Material Aluminum

3.5" Drive Bay 4 (Hidden) from 1 x 4-in-3 Device Module

5.25" Drive Bay 9 (Exposed)

I/O Panel Dual I/O Panel in front and top USB 2.0x4

Cooling System One 120x120x25 mm front fan (LED),One 120x120x25 mm rear fan (exhaust),Support up to 9 x 120 mm fans (optional),

-Front fan x 3,

-Top fan x 1,

-Rear fan x 1,

-Side fan x 4(side tray and bracket is optional),

-Bottom Air Inlet

Expansion Slots 7

BTX Upgrade Kits SRM, BTX Air Duct, and BTX I/O shield(optional)

Power Supply Standard ATX PS2 (optional),