About Shiping cost:

Default USD$5.9 is for just one unit item; Shipping cost of one unit item is USD$3 if you buy 2 units or more.

100% Original,not copy;Full capacity,not upgrade 
Rest assured to buy: all memory are rigorously tested.And it will also be tested before shipment

Item specifics 

Tips: Model number with "TG1" show that it's ECC RAM
Products Status: Good
Brand Name: SK Hynix 
Type: DDR4
 Function: ECC 
Frequency: 2666MHz
Application: Laptop
Memory capacity:16GB 
Memory voltage::1.2V 
Capacity description:single strip