09-08-2017 06:46 AM
Hello, dear supporters.
I need to upgrade my Lenovo Ideapad Z50-75 (Model name: 80EC).
So, I have bought new best bradned 1600 MHz 2x8GiB DDR3 available in my country:
Patriot: Viper Series (timings 9-9-9-24).
Sadly, it does not work.
Hence I have sent it back, I have got another new pieces, but they do not work, either.
For this reason:
Please, where can I find full specification of DDR3 SODIMM's supported by my IdeaPad model?
On official Lenovo support, they cannot answer, they write only:
RAM: 16GB max / PC3-12800 1600MHz DDR3L, non-parity, dual-channel capable, two 204-pin SO-DIMM sockets
Probably there is issue by ranks:
JEDEC: Design Files for DDR3 204-pin Unbuffered SODIMMs
09-08-2017 08:05 AM
General specification for the RAM:
16GB max / PC3-12800 1600MHz DDR3L, non-parity, dual-channel capable, two 204-pin SO-DIMM sockets
Aside from JEDEC standards, it may be brand compatibility to the BIOS (although uncommon) instead.
The same reason it OEM has certified RAM for each model recommended as shown in the hardware manual here on item 12 page 80 with the part numbers.
12 RAM, M471B1G73QH0-YK0 35nmQ 8GB DDR3L 1600 Part # 11202080
12 RAM, Hyn HMT41GS6AFR8A-PB DDR3L 1600 8GB Part # 11201301
12 RAM, RMT3160ME68FAF-1600 8GB DDR3L 1600Part # 11202450
12 RAM, Mic MT16KTF1G64HZ-1G6E1 DDR3L 1600 8GB Part # 11201304
12 RAM, M471B1G73DB0-YK0 25nm 8GB DDR3L 1600 Part # 11202082
12 RAM, SK HMT41GS6BFR8A-PB/RD 8GB DDR3L 1600 Part # 11202707
Hope this help answer your query.