K39 D19 A39 HTPC Mini ITX A4 Chassis Game Computer Support Graphics Card RTX2070 I7 The Smallest Independent Display Case
ID: 31483

K39 D19 A39 HTPC Mini ITX A4 Chassis Game Computer Support Graphics Card RTX2070 I7 The Smallest Independent Display Case

4.7 (16 votes) | 58 orders
Price: US $48.13 - 143.86 / piece
Discount Price:
US $ 38.49 - 115.09 / piece



K40 mini A4 Chassis

Up to: i7 11700+RTX3060 ITX / R7 5700x
Chassis volume: Length x width x height = 210*135*246mm, 7L volume
Chassis material: Full magnesium aluminum alloy 1.5~2.0mm, Side panel, acrylic 3.0mm
Graphics card: 207mm Length, less than 45mm thickness, only supports dedicated graphics cable
Motherboard support: ITX motherboard 170*170mm
CPU cooler: Within 75mm high(up to thermalright AXP100 FULL C65)
power supply: SFX (125*100*64mm) / SFX-L (125*130*64mm)
hard disk: 2.5" 7mm hard disk *2
RAM: Within 50mm height


D19 A4 Independent display Chassis

Model D19

Material 430 stainless steel

Chassis size Length*width*height, 190*113*222mm (without foot pad)

Volume 4.7L

weight 680g

Motherboard ITX motherboard (170MM* 170mm)

CPU fan Height≤44mm

Graphics card Length*thickness*height≤ 188*44*150mm

2.5" hard disk bay 2 (HDD or SSD)

3.5" hard drive bay 1 (when graphics card is not installed)

Power supply FLEX, 170*81.5*40.5mm

Fonrt: USB3.0 * 1, Audio *1 (2 in 1)

The details of D19 V1 are shown below for reference only.

D19 V2 does not change the internal structure and external dimensions




If using a discrete graphics card, please purchase an ADT adapter.

▼▼▼▼▼Brand New FLEX 400W Power supply

Name: FLEX400W
Model: PS-400FLE
Rated power: 400W
Power Specifications: FLEX
Size: 150 * 81.5 * 40.5mm
Input voltage: 160V ~ 264V
Efficiency: ≥90%
Modular: no
Cooling fan: 4cm, max 5000rpm
Energy saving index: EU ErP LOT6 directive,
Standby power consumption: <0.5W
Certification: CE, FCC, Rohs, C-Tick, CCC
Output interface: CPU: P8 (8 + 8) x1
motherboard: (20 + 4) x1
Graphics card: P8 (6 + 2) & P8 (6 + 2) x1
SATA: x2

  • Brand Name: ARSYLID
  • Type: Mid Tower
  • Origin: Mainland China
  • Chassis Type: HTPC Chassis
  • Application: HTPC
  • Form Factor: Mini-ITX
  • Material: Aluminum Alloy,Acrylic,Steel
  • Model Number: A39 K40 D19


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 location 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 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 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.

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.

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(60 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 receive 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 CNTRONIC Consumer Electronics Retailer (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of cntronic.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (60 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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If you would like to get a discounted price for your large purchase orders, fill in the required blanks along with your email address, the product Item ID # and/or the link of the item that you want to order, item quantity (minimum of 30 pieces), shipping country and payment method is required. We will contact you with a discounted price as soon as we receive your inquiry.

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