# RK-620

# Quiet Safety 4U Rack Mounted Industrial Chassis Supports

# 14-slot Backplane and 7-slot Motherboard

# Features

• EIA RS-310C 19” rack mount standard
• Supports 14-slot backplane and ATX, Micro-ATX, Mini-ITX motherboards
• Two 5.25” external, one 3.5” external and one 3.5” internal drive bay
• Two USB ports inside front I/O
• Replaceable, easy-to-clean air filter
• PS2 ATX power supply
• Low noise 12cm PWM controlled (full Loading 45db)

![Black A-DLINK server unit with ventilation slots and a triangular control panel (no visible text or symbols)](.rk-620-20251118/db2539a7c51b4d4a258346dc5bf60a32d65005b9f7715f89e759255b2c35baf0.jpg)

![Exterior view of a beige ADLINK industrial device with ventilation grilles and a triangular cutout (no visible text or symbols)](.rk-620-20251118/5e9a7764096fa24937da2a8259db242d0bb12720341f09b5ce490e2ec89290ba.jpg)

![The image displays a blue graphic resembling the Windows logo, set against a white background. It consists of four blue rectangles arranged in a grid-like formation. The rectangles are separated by thin white lines. The vertical dividing line is positioned to the left of the center, creating a narrower left column and a wider right section. The entire shape is roughly square.](.rk-620-20251118/14a567cde2d85d459ea5c73620b7bcb32d15338cee82823705bb9cc2d2b8c01f.jpg)

Windows

![The image displays an orange square logo. At the top is a white recycling symbol consisting of three arrows. Below this symbol is the word 'Ubuntu' in white text. Separated by a thin horizontal line, the word 'Certified' appears below 'Ubuntu' in the same white font.](.rk-620-20251118/092d814e1108fefd292358d6b0f58adf1b58628ca7d8354b0348b2adf468470d.jpg)

![The image displays a black logo on a white background featuring the stylized text 'ASD+'. The letters are bold and sans-serif, with a small plus sign (+) positioned as a superscript to the upper right of the letter 'D'.](.rk-620-20251118/8f6534abf897ead448182f4f7f226d9b89001d09b66e1f4c53395b6d1b5256cb.jpg)

# Ordering Information

<table><tr><td>Model Number</td><td>Color</td><td>Description</td></tr><tr><td>RK-620MB-W</td><td>Beige</td><td>Quiet Safety 4U Rack Mounted Industrial Chassis supports ATX Industrial Motherboard</td></tr><tr><td>RK-620MB</td><td>Black</td><td>Quiet Safety 4U Rack Mounted Industrial Chassis supports ATX Industrial Motherboard</td></tr><tr><td>RK-620B-W</td><td>Beige</td><td>Quiet Safety 4U Rack Mounted Industrial Chassis supports 14-slot backplane</td></tr><tr><td>RK-620B</td><td>Black</td><td>Quiet Safety 4U Rack Mounted Industrial Chassis supports 14-slot backplane</td></tr><tr><td>RK-620MB-F</td><td>Beige</td><td>4U Rack Mounted Industrial Chassis supports ATX Industrial Motherboard (Dual rear fan expansion spaces)</td></tr><tr><td>15-slot rear window</td><td></td><td>Changeable 15-slot rear window for the chassis</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>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>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>APS750W, ATX</td><td>750W</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>APS1200W, ATX</td><td>1200W</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><tr><td>APS2000W ATX</td><td>2000W</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>Model</td><td>RK-620</td></tr><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 5.25&quot; and one 3.5&quot; front externalOne 3.5&quot; internal</td></tr><tr><td>Construction</td><td>Heavy-duty steel</td></tr><tr><td>Color</td><td>Beige/Black</td></tr><tr><td>Cooling</td><td>120 mm x 120 mm x 25 mm PWM ball bearing fan(103 CFM)System fan speed would change refer to chassis thermal sensor, or CPU temperature</td></tr><tr><td>Front Panel</td><td>Front door with lock, two USB connectorsLEDs: HDD active and system powerSystem reset switch, ATX power switch</td></tr><tr><td>Backplane</td><td>14-slot passive backplaneMini-ITX, microATX, or ATX industrial motherboard</td></tr><tr><td>Power Supply</td><td>PS2 form factor ATX</td></tr><tr><td>Carton Size</td><td>25 in x 13.8 in x 23.4 in (635 mm x 350 mm x 595 mm) (W x H x D)</td></tr><tr><td>Weight</td><td>Net 12 kg (26.4 lb)</td></tr></table>

Mechanical Layout

![The image displays a black computer case viewed from the front. The brand name 'A-LINK' is printed in white in the upper left corner. To the left, there is a vent consisting of horizontal slats. On the right side, a large, stylized 'A' is recessed into the panel, featuring a triangular cutout in the center and a small, circular button or indicator light near the top vertex.](.rk-620-20251118/1845c297e1f3895c69c5c3475ae84d87180042fe5d09d3ea8e98d58d9cefb887.jpg)

![Interior view of a server rack with exposed circuit board and drive bays (no visible text or labels)](.rk-620-20251118/cb7f0fa590f698bd1b8c39bd1f50195738caea2013c3ae06fefb22141ffc2308.jpg)

![The image displays the rear panel of a black computer tower. On the far left is a square CPU heatsink assembly with a fan and a hanging cable. The center features a silver I/O shield containing a cluster of ports on the lower left (including USB ports, audio jacks, PS/2 connectors, and an Ethernet jack), two vertical serial ports in the middle, and a row of PCI expansion slots to the right. The far right side is dominated by a large ventilation grille with vertical slats, while horizontal ventilation slats run along the top edge.](.rk-620-20251118/c5b5facd0f1c8022c087cf68597a8e07d25a67d579e328483c63d6d1741fe054.jpg)

![Exterior view of a black electronic device labeled 'ADLINK' with ventilation slots and a control panel (no readable text beyond label)](.rk-620-20251118/49b6cb8de68be0403aef591dc2ffc1ac434713b575b583ad6e646ded898d31ff.jpg)

![This image shows a beige metal chassis, likely an industrial computer enclosure, set against a white background. On the left side, there is a vertical array of ventilation slots. The top left corner features the text 'ADLINK' in red. The right side of the front panel displays a large graphic composed of two black triangles arranged to form a peak shape, with a silver screw positioned near the top center.](.rk-620-20251118/b17348a61659a649b7e2b5a77236cf736b63b2b891b93df6888768b92d89a890.jpg)

![Interior view of an open industrial enclosure with visible internal components and mounting holes (no text or symbols)](.rk-620-20251118/644022cbbd35f4f765fd6e160aa47f4a3e6a712afc38e4ec765c71a45aa301ba.jpg)

![The image displays the rear panel of a beige computer chassis or server unit. On the far left, there is a black vertical rectangular component, likely a latch or handle. Spanning the top edge is a wide ventilation grille composed of numerous small vertical slots. In the center, a large, light-colored rectangular plate with several small circular holes is visible. Below this central plate sits a smaller black rectangular module or connector. To the right, a section features a grid of vertical slots, resembling expansion slot covers or connector interfaces. Faint text is visible along the top edge of the ventilation grille, but it is too blurry to read verbatim.](.rk-620-20251118/bd14e6d33bd4fc897f76aea811c8766554ba63bbaac248d662680713d632ec15.jpg)

![Exterior view of a beige electronic device labeled 'ADLINK' with a black triangular logo on the front panel (no additional text or symbols visible)](.rk-620-20251118/86873e73f55e9af2a9835461332f16b3989483a8c98c31b6ea77ee8ca0d470ab.jpg)

Dimensions
![Rear View (RK-620B)\nRear View (RK-620MB-F)\nRear View (RK-620MB)](.rk-620-20251118/9b5142a8bb3f4f46fb8af64b2a180fc672a60800a4b4fe1f5e3692ee73454063.jpg)

![Pure technical line drawing of a vertical structural component with mounting flanges (no text or symbols)](.rk-620-20251118/e2b510b3fc614439fa2fee76d68b7d5265315c3a693121a793ba19180e6f5581.jpg)

Left Side View

![437\n450\nTop View\nRight Side View](.rk-620-20251118/06fa85094c33d9b5eacf2acaed03935ba71663a886f4636ff28a6b3f7d6dd919.jpg)

![This is a black-and-white line drawing depicting the rear panel of a computer chassis or server.\n\n- **Top Left:** A logo is displayed featuring a stylized arrow pointing upwards and to the right, followed by the text '**AIRLINK**'.\n- **Left Side:** Below the logo, there are two distinct groups of vertical slots, likely representing expansion card slots covered by metal plates.\n- **Right Side:** A large rectangular area dominates the right side, representing the I/O panel. Inside this area:\n    - On the left, there is a small square containing a plus sign (**+**), a small square below it, and a small rectangular button below that.\n    - On the right, there is a large block of stacked horizontal lines, likely representing a series of ports (such as USB, serial, or audio).\n- **Edges:** The far left and far right edges feature vertical strips with circular holes, indicating rack-mount ears.](.rk-620-20251118/1d358dde2fa614aa192774bcecf1a81f55fbebb4cd642572b1637c161a8c78d8.jpg)
Front View (cover removed)

![465.60\n482.60\n101.60\n177](.rk-620-20251118/2e30be03a53ff9359b25c6216be6cd8294f9d84ce2b595ec555dd72828ca3a3c.jpg)

Front View
[🔗 Link to the original document](.rk-620-20251118/rk-620-20251118.pdf)