Which RAM is best for my laptop?

Hi i have an HP Beats Envy 14 laptop. It only has 4 GB RAM. i want to upgrade it to 8GB. Could someone please help as to what RAM i should be buying for the laptop?



1. 8GB (4GBX2) DDR3 PC3-10600 鈥?CL=9 鈥?Unbuffered 鈥?NON-ECC 鈥?DDR3-1333 鈥?1.5V 鈥?512Meg x 64



2. 8GB (4GBX2) DDR3 PC3-8500 鈥?CL=7 鈥?Unbuffered 鈥?NON-ECC 鈥?DDR3-1066 鈥?1.5V 鈥?512Meg x 64



3. 8GB (4GBX2) DDR3 PC3-8500 UNBUFFERED NON-ECC DDR3-1066 256x8, 16 CHIPS



If you have any suggestions, please dont hesitate to leave any. I really dont know how to choose which one goes for my laptop. Can someone please help?Which RAM is best for my laptop?
Get the first option if your Laptop is compatible with it. Here is a link that you can run you laptop and check suggested RAM



crucial.com
Go to http://www.crucial.com and run the free tool to find what it now has, max system will support, correct type memory modules for upgrade. Do not mix memory module brands or type or install more than your system will support. Then use Crucial or what ever brand you prefer.Which RAM is best for my laptop?
I have used this product and it performs really well I would definitely suggest it to anyone



Corsair 4 GB DDR3 Laptop Memory CMSO4GX3M1A1333C9

*Ultra Stable Laptop Memory from Corsair - the Leader in Performance Memory Solutions

*Designed for current generation notebooks, mini-PCs and netbooks

*Microsoft庐 Windows庐 Vista? and Windows庐 7 operating systems

*Single 4GB DDR3 Laptop Memory Module - 1333MHz Unbuffered CL 9 SODIMM Memory 9-9-9-24 1.5V

*Lifetime Warranty