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Better to get them upgraded before they stop production of the ram type. Check out the older DDR2 SODIMM prices, they're about 2½x now :( (I need some lol). But DDR 3 is moving to DDR4 no? You don't want to be waiting a few years later and then trying to find decent ram prices for SODIMMs. Also check your CPU is socketed, you may be able to upgrade that later too.
Intel is now at generation 7 I think, right? (Skylake).
Do they fit under the trap underneath or under the KB? (Some do both, under the kb from factory and trap for later).
http://www.amazon.com/Corsair-Vengeance-Performance-1600MHz-CMSX16GX3M2B1600C9/dp/B00EXPNG5Y
This says generation 4 and 5. That is DDR3L (the one I linked) the one you linked is DDR3.
https://en.wikipedia.org/wiki/DDR3_SDRAM#DDR3L_and_DDR3U
The only difference is voltage.
Ah cool, thank you mate ! :D preciated alot!
I think it's ok though, but if you are updating a laptop, best do it early and if you are going inside, do as much of the work as you need in one go rather than in and out and in and out (especially if you are doing IC work).
Obviously, but if you are going inside, may to upgrade (if it is under the keyboard as some are) then you may aswell check other things for later upgrading (I take pictures of all model numbers of the mainboard, CPU and GPU etc) so I can hunt down upgrades later. Last thing you want to have to do on a laptop is keep opening it up to check things or look, do it all at the one time you are in there. (Assuming it is under the KB and not in the trap for the memory). I have one that is factory fitted (but upgradable - it's a big case opening job though) under the KB and I added some to the trap door underneath. I will have to go in under the KB to update so I do all the other checks and upgrades at the same time. Saves all the rework. Common sense yo? It's called planning ahead. Yes Apple LOVE suface mounted, but PC laptops also have factory fitted slots under the KB (ASUS RoG Laptops for example, but still replacable just requires far more effort) AND in the trap underneath (user upgradable).
I am not saying change the CPU obviously, I am saying if you are going into the laptop (even through the trap), note things of importance for future upgrading (which you most likely will).
One thing to keep in mind is if you want to MATCH the rams, on Asus for example it comes factory fitted with 8 GiB under the KB (still replacable if you strip it down :) ) and empty under the trap., you will have to do the pair under the KB too IF you want them MATCHED, or if you want to go to say 32 GiB later, then you WILL have to go in under the KB upgrade that to 16 GiB and also under the trap for another 16 GiB to get 32 GiB (I will have to do this on mine later).
Again, no mention was made of the Laptop type so I am going from my refurbing experience.
As for higher clocked CPU's check cpu-world site, it clearly lists the compatible CPU upgrades. I am (again) doing a refurb on a laptop from the info on that site also. (not related to ram i know but just saying).
If it is just under the trap and none under the KB you are very fortunate :)
http://www.cpuid.com/softwares/cpu-z.html
cpuz -> validate button -> submit button
it will open a browser, copy the url (address) and paste it here
if the notebook uses ddr3 you can only use ddr3 ram on it
1st - 4th gen intel i series cpu will use ddr3
notebook ddr3 is always 1.5v or lower
1600 cl10 is fine for it
http://uk.pcpartpicker.com/parts/memory/#sort=a10&page=1&s=301600,301800,301866,302000,302133,302200,302250,302333,302400,302500&t=9&Z=16384002
6GB RAM
Intel i7 4510u 2.00 ghz
and i ordered the ram you suggested( seems like a no brainer, cheaper than the one i was thinking of aswell)
i do use DDR3 ram
thanks alot btw!
posting below, just to make sure :)
Processor (CPU)
CPU Name Intel(R) Core(TM) i7-4510U CPU @ 2.00GHz
Threading 1 CPU - 2 Core - 4 Thread
Frequency 2793.33 MHz (28 * 99.76 MHz) - Uncore: 2793.3 MHz
Multiplier Current: 28 / Min: 8 / Max: 31
Architecture Haswell ULT / C0-Step (22 nm)
Cpuid / Ext. 6.5.1 / 6.45
IA Extensions MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, EM64T, VT-x, AES, AVX, AVX2, FMA3
Caches L1D : 32 KB / L2 : 256 KB / L3 : 4096 KB
Caches Assoc. L1D : 8-way / L2 : 8-way / L3 : 16-way
Microcode Rev. 0x000001D
TDP / Vcore 15 Watts / 0.954 Volts
Type Retail (Original Frequency : 2000 MHz)
Motherboard
Model LENOVO Lancer 5A2
Socket Socket 1168 BGA
North Bridge Intel Haswell-ULT rev 0B
South Bridge Intel H8x/P8x rev C1
BIOS LENOVO 9ACN26WW (07/31/2014)
Memory (RAM)
Total Size 6144 MB
Type Dual Channel (128 bit) DDR3-SDRAM
Frequency 798.1 MHz - Ratio 1:6
Timings 11-11-11-28-1 (tCAS-tRC-tRP-tRAS-tCR)
Slot #1 Module Samsung 2048 MB (DDR3-1600)
Slot #2 Module Samsung 4096 MB (DDR3-1600)
Graphic Card (GPU)
GPU #1 Type Intel(R) HD Graphics Family @ 1047 MHz
GPU #1 Brand Lenovo
VRAM #1 Type 1024 MB
DirectX 12.0
Storage (HDD/SSD)
Model #1 Seagate ST1000LM024 HN-M101MBB
Capacity #1 1000 GB
Display
Screen #2 AOC Internationa G2770 (AOC2770)
Screen #2 Spec 27.2 inches (69.1 cm) / 1920 x 1080 pixels @ 50-76 Hz
Miscellaneous
Windows Version Microsoft Windows 10 (10.0) Home 64-bit
Windows Subver. Build 10586
CPU-Z Version 1.74.0 (64 bit)
https://www.lenovo.com/shop/emea/content/pdf/Lenovo/GSeries/en/lenovo-g40-50-datasheet.pdf
It says DDR3L up to 16 GiB (that is basically DDR3 low voltage). I am sure the models are similar.
The hardware maintenance manual is here http://cc.cnetcontent.com/inlinecontent/production/33/33504a6488d3/cnet_fffa_doc.pdf
(page 41 on the manual, page 45 in the pdf).
So it looks like it is all on the underside hatch (lucky you :) ).
DO NOT mix DDR3 and DDR3L. I would get the DDR3L just to be sure and matches up with your bios and the mainboard. But if it already has DDR3 (not DDR3L) then you're probably ok. Whatever is cheap and works :)
DDR3L works at 1.35v
DDR3 works at 1.5v
I read DDR3 from your spec list but that could just be the program generalising and not differentiating between DDR3 and DDR3L.
DDR3L is what you want, since that is what the spec (from Lenovo) says.
I read on here.. https://forums.lenovo.com/t5/Lenovo-B-and-G-Series-Notebooks/Lenovo-G50-70-RAM-Upgrading-issue/td-p/1635146 people tried DDR3 but it didn't work and they had to use DDR3L. Most thin laptops use DDR3L (which Lenovo is).
(and DDR3U which is ultra low for even lower power requiremets on ultrabooks.).
Read what the label on the SODIMMS you have currently installed. If it is from the factory I imagine it says what the data sheet says, DDR3L.
Always, always pull the laptop dataspec and maintenance manual if you can. And check forums for people who have upgraded for the problems they had.
I do that for all my refurbs and upgrades to laptops. It saves you a headcehe. Also youtube is great for teardowns on how to disassemble things. That way you know what you're getting into before you start :) (and then can order the right equipment :) :)
If the RAM is in working order, u can run CPU-Z in Windows and review all the supported specs there via the SPD tab.
Get all matching RAM. I would not go grabbing something from Kingston or Corsair and installing that along side the RAM the system shipped with, which are usually Hynix or Samsung based RAM modules/chips.
Howcome? is it of lower quality ?