If you are unsure what ram your laptops takes.
go to the crucial website on your laptop and do a scan from the CRUCIAL website and it will tell you what ram is compatible with your laptop. easy as that.

*copy + paste this link into your web browser*
https://www.crucial.com/upgrades

click on the crucial scanner and it will scan your computer.



THIS RAM IS THE DDR3L --- THE L STANDS FOR LOW VOLTAGE.
if your laptop is DDR3 it will not be compatible with DDR3L and vice versa

*PLEASE NOTE*
1.35V (Low Voltage DDR3L) < [THIS LISTING}
1.5V (High Voltage DDR3) 
if you put the wrong one in your laptop you will get the blue screen
no boot.

Item specifics

Condition
New - opened & tested
Seller notes
“All Brand 100% New with original packaging.100% individually tested.”
Total Capacity
8 GB
Capacity per Module
8 GB
Custom Bundle
No
MPN
CRUCIAL 8GB DDR3L 1600 PC3L-12800 Laptop
Rank
2Rx8 (DR / Dual Rank)
Item Length
68mm
Designed For
Dell HP-Compaq Apple Intel IBM-Lenovo Toshiba Acer Asus Sony
Modified Item
No
Memory Features
Non-ECC Unbuffered
Brand
CRUCIAL
Form Factor
SO-DIMM
Type
DDR3L SDRAM
Number of Modules
1
Manufacturer Warranty
Lifetime
Item Height
30mm
CRUCIAL
1.35v (Low Voltage DDR3L)
Model
CRUCIAL 8GB DDR3L 1600 PC3L-12800 Laptop
Number of Pins
204
Bus Speed
PC3L-12800 (DDR3L-1600)
Item Width
3mm




IF YOU ARE UNSURE, PLEASE GO TO THE CRUCIAL WEBSITE AS EXPLAINED ABOVE.
THANK YOU