# RK-270MB-LH

2U Rackmount Chassis for ATX/ MicroATX Motherboard with Low-Profile Rear Bracket

# Features

• EIA RS-310C 19” Rackmount Standard
• One 5.25'' drive bay and three 3.5'' drive bays
• Supports 300W, 500W Flex ATX power supply
• Support 7 low profile slots
• Replaceable and easy-to-clean air filter
• Front mounted fan module for easy maintenance

![Front view of a rack-mounted server unit with multiple ports and connectors (no visible text or labels)](.rk-270mb-lh-20250214/a0500f7ad6ad001ddebd8590ad4c3e500f00bd4741971f58eddaa8a5b7e744c8.jpg)

![The image displays a blue square icon on a white background. The icon is divided into four equal smaller blue squares arranged in a 2x2 grid.](.rk-270mb-lh-20250214/dee413c91f16f90d064efa325327d7c0d166976f699488ebb0408d89ba0ff2dc.jpg)

Windows

![The image displays the Ubuntu Certified logo. It consists of a bright orange square. At the top is the white Ubuntu symbol, which is a circle formed by five overlapping shapes. Below the symbol is the word 'Ubuntu' in white text. At the bottom of the square is a darker orange horizontal strip containing the word 'Certified' in white text.](.rk-270mb-lh-20250214/d694b9aeb04155e5d05795a4c2bc72febfffaf0a22974fa92e36ef2f9165ff43.jpg)

![The image displays a black logo on a white background featuring the stylized text 'ASD+'. The letters are bold and angular, with the 'A', 'S', and 'D' appearing interconnected or overlapping. A plus sign is positioned at the upper right, adjacent to the 'D'.](.rk-270mb-lh-20250214/13309844d9d125f94b511cd2bd5a68c8dec8af229fed2e6083fd56318c5e1cb5.jpg)

Ordering Information

<table><tr><td>Model Number</td><td>Color</td><td>Description</td></tr><tr><td>RK-270MB-LH</td><td>Black</td><td>2U Rackmount Chassis for ATX/ MicroATX Motherboard with Low-Profile Rear Bracket Option</td></tr></table>

Power Supply Options

<table><tr><td>Model Number</td><td>Watt</td><td>Input Range</td><td>+3.3 V</td><td>+5 V</td><td>+12</td><td>-12 V</td><td>+5 Vsb</td></tr><tr><td>FSP300-50FCB</td><td>300W</td><td>Universal</td><td>12 A</td><td>14 A</td><td>25 A</td><td>0.3 A</td><td>3 A</td></tr><tr><td>FSP500-50FDB</td><td>500W</td><td>Universal</td><td>14 A</td><td>16 A</td><td>41 A</td><td>0.3 A</td><td>3 A</td></tr></table>

Specifications

<table><tr><td>Model</td><td>RK-270MB-LH</td></tr><tr><td>Dimensions</td><td>428 x 483 x 88.5 mm (WxDxH)</td></tr><tr><td>Drive Bays</td><td>One 5.25&quot; drive bays and Three internal 3.5&quot; drive bays</td></tr><tr><td>Construction</td><td>Heavy-duty steel</td></tr><tr><td>Color</td><td>Black</td></tr><tr><td>Cooling Fans</td><td>Two 80 x 80 x 25 mm two ball bearing PWM FansSystem fan speed would change refer to chassis thermal sensor, or CPU temperature</td></tr><tr><td>Front Panel</td><td>Two USB connectorsLEDs: HDD active and system powerSwitch: System Reset and Power</td></tr><tr><td>Power Supply</td><td>300W, 500W Flex ATX power supply</td></tr><tr><td>Carton Size</td><td>565 x 625 x 200mm</td></tr><tr><td>Weight</td><td>Net 15 kg (33 lb)</td></tr></table>

# Dimensions

![This image is a black-and-white technical line drawing presenting five orthographic projections (views) of a server chassis or computer enclosure.\n\n*   **Top View:** Displays the top surface with ventilation grilles on the left and right sides and component outlines in the center.\n*   **Left View:** Shows a side profile featuring two long rows of ventilation slots.\n*   **Center View:** The largest view, depicting the rear or front panel. It shows a large blank area with mounting points and a lower section containing multiple circular cutouts (likely for fans or drives). A horizontal dimension line at the top reads **'428'**.\n*   **Right View:** Shows the opposite side profile with mounting holes. A top dimension reads **'58.5'** and a vertical dimension along the right edge reads **'485.8'**.\n*   **Bottom View:** Shows the underside with ventilation grilles. Width dimensions at the bottom read **'465'** and **'482'**. A vertical dimension on the right side reads **'54.40'** and **'78.2'**.](.rk-270mb-lh-20250214/078bf0686a119aa21c60e4bab3daaab8f65b42a5f2c7b499fc47df92119d050e.jpg)
[🔗 Link to the original document](.rk-270mb-lh-20250214/rk-270mb-lh-20250214.pdf)