# RK-620MB-L/RK-620MB-LF

Economical 4U Rack Mounted Industrial Chassis Supports ATX Industrial Motherboard

![Exterior view of a silver industrial device labeled 'ADLINK' with ventilation grilles and a black panel (no readable text beyond branding)](.rk-620mb-l-rk-620mb-lf-20241205/8fcef1f81084f1c0214cf37ec90fb7d8b1f612df698283ed2e6f10831ace5bd3.jpg)

CE FC

# Features

• Supports ATX industrial motherboards
• Two external 5.25'' drive bays
• Two USB type A connectors on front panel
• 12cm two ball bearing cooling fan ( 103 CFM)
• PS2 ATX power supply

Ordering Information

<table><tr><td>Model Number</td><td>Color</td><td>Description</td></tr><tr><td>RK-620MB-L</td><td>White</td><td>Economical 4U Rack Mounted Industrial Chassis for ATX Industrial Motherboard (Nine DB-9, dual DB-37 expansion vent holes)</td></tr><tr><td>RK-620MB-LF</td><td>White</td><td>Economical 4U Rack Mounted Industrial Chassis for ATX Industrial Motherboard (Dual rear fan expansion spaces)</td></tr></table>

Power Supply Options

<table><tr><td rowspan="2">Model Number</td><td rowspan="2">Watt</td><td colspan="10">Output (Max.)</td></tr><tr><td>Input Range</td><td>+3.3 V</td><td>+5 V</td><td>+12 V1</td><td>+12 V2</td><td>+12 V3</td><td>+12 V4</td><td>-12 V</td><td>+5 Vsb</td><td>-5 V</td></tr><tr><td>APS930XA-ATX12</td><td>300W</td><td>Universal</td><td>19 A</td><td>16 A</td><td>17 A</td><td>17 A</td><td>N/A</td><td>N/A</td><td>0.3 A</td><td>2.5 A</td><td>0.3 A</td></tr><tr><td>APS940XA-EPS12</td><td>400W</td><td>Universal</td><td>19 A</td><td>16 A</td><td>17 A</td><td>17 A</td><td>N/A</td><td>N/A</td><td>0.3 A</td><td>2.5 A</td><td>0.3 A</td></tr><tr><td>APS950XA-EPS12</td><td>500W</td><td>Universal</td><td>19 A</td><td>16 A</td><td>17 A</td><td>17 A</td><td>N/A</td><td>N/A</td><td>0.3 A</td><td>2.5 A</td><td>0.3 A</td></tr><tr><td>APS960XA-EPS12</td><td>600W</td><td>Universal</td><td>25 A</td><td>25 A</td><td>16 A</td><td>16 A</td><td>16 A</td><td>16 A</td><td>0.5 A</td><td>4.0 A</td><td>0.5 A</td></tr></table>

Specifications

<table><tr><td>Dimensions</td><td>16.8 in x 7 in x 17.4 in (427 mm x 177 mm x 447.9 mm) (W x H x D)</td></tr><tr><td>Drive Bays</td><td>Two external 5.25&quot; drive bay</td></tr><tr><td>Color</td><td>White</td></tr><tr><td>Cooling Fan</td><td>In: one 120mm x 120mm x 25mm two ball bearing fan (103 CFM)</td></tr><tr><td>Front Panel</td><td>Front door with lock, two USB connectorsLEDs: HDD active and system powerSystem reset switch and ATX power switchTwo USB type A connectors</td></tr><tr><td>Motherboard</td><td>Mini-ITX, microATX, or ATX industrial motherboard</td></tr><tr><td>Power Supply</td><td>PS2 form factor ATX power supply</td></tr><tr><td>Carton Size</td><td>595 mm x 230 mm x 535 mm (23.42 in x9.05 in x 21.06 in) (W x H x D)</td></tr><tr><td>Weight</td><td>Net 10.3 kg (22.7 lbs)</td></tr></table>

![This image is a technical engineering drawing of a computer chassis or server case, presented with orthographic projections.\n\n**Top Section:**\n*   **Rear View:** A drawing of the back panel showing expansion slots, ports, and a fan housing.\n*   Text below: 'Rear View'\n\n**Middle Section:**\n*   **Left View:** A side profile showing the chassis depth and mounting feet.\n*   Text below: 'Left View'\n*   **Top View:** A top-down view showing the internal layout, including the motherboard area and power supply mounting.\n*   Dimensions: Width '427' and Height '450'.\n*   Text below: 'Top View'\n*   **Right View:** A side profile identical to the left view.\n*   Text below: 'Right View'\n\n**Bottom Section:**\n*   **Front View (Partial):** On the far left, a view of the front panel with the cover off. The text is partially cut off, reading 'ront View' and below it '(over Removed)'.\n*   **Front View:** A full front view showing drive bays, a power button, and a logo placeholder.\n*   Dimensions: Height '176', inner width '423.60', and total outer width '482'.\n*   Text below: 'Front View'](.rk-620mb-l-rk-620mb-lf-20241205/5515c84d8cd5838491bae29e003e5c6b4b8171b7ff213a0c60ff89ed8c17d7f8.jpg)

![Front view of a rectangular electronic device with ventilation grilles and control panel (no text or symbols)](.rk-620mb-l-rk-620mb-lf-20241205/43c7061320381d95ba2305df8f7a90ee9fc506f21181897e3fa9e9dc82f02151.jpg)

Front View (Cover Removed)
[🔗 Link to the original document](.rk-620mb-l-rk-620mb-lf-20241205/rk-620mb-l-rk-620mb-lf-20241205.pdf)