About shipment: 1,I will selct Standard shipping and provide international rigistered tracking number.

About return:I confirm all items are good because I will test it before shipping. If you need return,please contact with me in time.We will reslove it together.

Model number:  E3-1271v3         
                         

Frequency :  3.6GHz
3100 MHz (4 cores)

Bus Speed:   5 GT/s DMI        
Socket :       1150

Manufacturing process:   22nm                                                    
The number of CPU cores  :    4      
The number of threads     :      8   
Level 2 cache :     4 x 256 KB  

Level 3 cache size :      8 MB      

Integrated graphics: No

 Thermal Design Power  :80Watt