There is the link of FAQ of the computer ,the buyer can leare it by yourself.

Mini PC Quad Core Intel Celeron J1900 4 LAN Router Firewall Celeron J1800 Mini Computer Desktop Windows 10/8/7 HD Graphics VGA 4-RJ45 4-Network

Product Description:
（J1800）CPU	Intel Celeron Processor J1800 (1M Cache, 2 core 2 threads, 2.41 GHz up to 2.58 GHz)
（J1900）CPU	Intel Celeron Processor J1900 (2M Cache, 4 core 4 threads, 2.00 GHz up to 2.42 GHz)
Memory Type	1333MHz, DDR3L, 1.35V, SO-DIMM Memory, DO NOT support DDR3 1.5V RAM.
Ethernet port	4x Intel 82583V Gigabit Ethernet Controller
Storage	Support 1 x mSATA port ,but can NOT support 2.5 inch SATA SSD / HDD
Operating System	Support Windows 10/8 /7 ,Linux ,pfSense etc.
Dimension	150×123×33mm
Configurations:
Memory Capacity	2GB / 4GB / 8GB DDR3L SO-DIMM
Hard Disk Capacity	16GB/30GB/60GB/120GB/240GB mSATA SSD
About Storage	The actual available storage is not equal to the written number,the reason we can explain is that :The software configuration of computer will occupy part of storage.
About Storage
Wireless wifi	Can NOT support wifi
In/0ut Port ：
Display port	1 * VGA + 1 * rj45 COM
USB port	2 * USB
SATA port	1 * MSATA3.0, 6Gb/s
MINI PCIE	1 * MSATA SSD
Ethernet port	4x Intel 82583V Gigabit Ethernet Controller
Power input port	1 inner diameter 2.5mm,external diameter 5.5mm
Power and Working Environment ：
Input	DC 100-240V AC/50-60Hz
Output	DC 12V/5A
Consumption	10W
Humidity	10%-90%

Buyer Must Reads:

We free pre-install cracked version Windows 7/8/10, Linux, pfsense need to add 10usd for it, the OS default come with English language, The official Windows OS/ Linux need charge US $50.00/unit.
f your address is remote area , you should add extra shipping fees or change the other shipping method, then we continue send out the parcel .
Any questions/needs, pls contact with us, we’ll reply you within 24hours.

Package Content:

1 x Mini pc
1 X Power adapter
1 X User manual

Multi application in industry

Work with any brand monitors; 1*RJ45 Gigabit Lan Nic+1*VGA+1*HDMI+4*USB3.0+1*USB2.0 Suit for multiple application for example integrate with touch devices, industries, car repair shops, security, education, home as HTPC, business, fanancial and projects.

This device use intel celeron j1900 2M Cache, 2.41GHz burst frequency 2.42GHz low-power ,TDP just 10W, low power consumption stable perfomance .Support 24 hours 7days working stable in industry.

Support 1*DDR3L 1600/1333MHZ low voltage 1.35V ram + 1*Msata, can’t support 2.5 inch HDD and wifi .

Mini PC J1900 supports Windows, Linux, pfSense, VyOS, Linux iptables, Untangle, ect. But it will come with the latest pfSense (Username: admin; Password: pfsense). You also can install OS and software package by yourself. F11 key boot from USB Drive. Delete key enter into BIOS.

SHIPPING

Please check your city/ post code , making sure it’s matched with your shipping address .
If parcel has not arrive within expected time, please contact us, we will extend the delivery date and give the buyer a satisfied reply.

CUSTOMS TAX

There are taxs of customs duties and import duty of purchases. Buyer are responsible for custom taxes . Please do not open dispute due to the customs tax.

WARRANTY

We offer 1 years hardware warranty for product without personal error damage.
Leave 5 stars feedback within 7 days, we’ll add extra 3 months for the original warranty times.

FEEDBACK

If you are satisfied with the product and service, please leave positive feedback and 5 star review and images upload .
If you have any problems with the items, please contact us before you leave negative feedback. We will do our best to help you.

SHIPPING AND DELIVERY

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?

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.

REFUNDS & RETURNS POLICY

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.

Refunds

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 Discovery Market (i.e. not cleared by customs, delayed by a natural disaster).
Other exceptional circumstances outside the control of www.discoverymarket.net

*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.

Exchanges

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.

Mini PC Quad Core Celeron J1900 4 LAN Router Firewall Fanless J1800 Mini Computer Desktop Windows 10/8/7 HD Graphics VGA 4-RJ45