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Product Description




Registered trademarks are China ShenZhen, Jonsbo Teach. Co., CEMO a final interpretation of the product, Jonsbo may adjust the appearance of the product, we ensure that sales of products and Jonsbo latest product line.















































Official Website: www.jonsbo.com/en/products_32_3.html


The hot hatch to own for every DIYer
      The outer shell of RM3 is fully made from aluminum magnesium Alloy, with Jonsbo team’s accumulated experience of wiredrawing anode surface processing craft from many years, the design style goes on with the sense of simplicity, simple streamline and strong metallic.By using outer aluminum and inner steel with innovative structural joining technology, it perfectly fuses the strong structure and good appearance of the product.Fully tempered glass used in automobile industry is used for making the transparent side panel of RM3, it not only provides wide-angle display for illuminated hardware but also brings an unexpected solution for isolating noise and resonance.
      5mm thick fully tempered glass used in automobile industry is used, it can not only effectively isolate the noise and resonance created by the fans, but also provide wide-angle display for illuminated hardware.
      RM3 supports 310 mm length display card and 170mm height CPU radiator, almost all mainstream high-end display cards and air-cooled CPU radiators are supported. The requirements of small size and high performance have been further implemented.
      RM3 provides independent cooling channels for display card, CPU and PSU. 3 Jonsbo high quality silent fans are built-in, they will provide sufficient air flow for the expensive hardware.
      RM3 implements all those good detailed design elements which are absent in other small size cases, such as wire management at the back of motherboard, PSU installed on the bottom, SSD displayed from side panel and personalized lighted LOGO nameplate.

Model:RM3 (Red)
Dimension:215MM (W) * 336MM (D) * 385MM (H)
Material:  Internal Structure :1.0mm SGCC Steel Plate ,    Front Plate:4.0MMAluminum ,    Side Plates: 5.0mm Tempered Glass Side Plate ;
                Back/Top/Bottom Plate: 1.5+2.0mm Aluminum
Motherboard: MATX / ITX (Within 245mm x 245mm)
Drive Bay:  2*3.5”, 3*2.5” Or 5*2.5”
Cooling System: Back/Bottom:1 x 120mm fan
CPU Cooler: Not higher than 170MM
Display Card: Not longer than 310MM(Not longer than 285mm if HDD is istalled)
Front I/O: USB3.0 × 2, Audio × 1, Mic × 1
Power Supply: Standard ATX PS2
Expansion Slot: 4
NET/Gross Weight: 7.3kg / 9.5kg
Design and Features
1.  It is made from aluminum magnesium alloy, the thickness of the front panel achieves 4mm.
2.  Both side panels are made from 5 mm tempered glasses, the glasses are derived from the material of automobile industry, they are impact-resistant and scratch-proof.
3.  Hardware can be shown from the full transparent side panels.
4.  The net weight of the case is 7.3kg, it really shows how good the material have been used.
5.  Built-in 3 Jonsbo dedicated quiet fans, supporting 120 mm liquid cooler.
6.  There are a 17mm height of spacing for wire management, a wire storage bin for hiding exceed wires and 8 wire protection grommets.
7.  There are 8pcs of 1.5mm shock absorption silicon pads between the contact areas of both side panels and the body, they play a decisive role for isolating the noise.
8.  Dense small holes dust filters are used on the back and base plates of RM3 in order to isolate the fine dust, and the dust filters can be removed to clean.
9.  Innovative lighted LOGO nameplate, users can change it according to their own favor.

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We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-20 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of jumayo (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of jumayo.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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