Upgrade GT640 in acer m3985 for Zotac GTX 750 ti

limtenggen · Mar 12, 2014

Hello, my Aspire m3985 with the following standard setup:
WINDOWS 8
Intel Core i7 processor 3770
nVidia GeForce GT640 4GB OEM
1TB Hard Drive
8GB DDR3 memory
DVD-Super Multi drive
Card Reader

2 fans , one for the cpu and other one is for computer case

i have a Liteon PS-6301-08A 300watt PSu and on the sticker it write

DC OUTPUT :+5v --/20A MAX
:+5v(SB) --/2A MAX
:-12v--/0.5A MAX
:+3.3v--20A MAX
:+12V1--10A MAX
:+12v2--13A MAX

1)Combined Power on +3.3v and +5v rails Not exceed 130w.
2)Combined Power on +12v1 and +12v2 SHALL not exceed 20A
3)At Ambient 25 Celsius total output power shall not exceed 300w
4)At Ambient 50 Celsius total output power shall not exceed 270w

My GT 640OEM the first Row (the 797mhz one) ( http://www.geforce.com/hardware/desktop-gpus/geforce-gt-640-oem/specifications ) but MINE is a 4 gb quite strange ! So can i change my Gpu form GT 640 to Zotac GTX 750 ti (http://www.zotac.com/products/graphics-cards/geforce-700-series/gtx-750-ti/product/gtx-750-ti/detail/geforce-gtx-750-ti/sort/starttime/order/DESC/amount/10/section/specifications.html) ?

Trave · Mar 12, 2014

Yes,the 750 can run with your rig,I don't see the 4gb gt 640 and that card don't have anything to do with upgrading to a 750.

The 750 only uses power from the pci e x16 slot,so no point getting a new PSU,and its tdp is about 55w tdp (what i see in tomshardware review)
the pci e x16 provides 75w max so,its a YES!

limtenggen · Mar 12, 2014

but i ask for a GTX 750ti....

Trave · Mar 12, 2014

Thats the same and only a little bit better.

limtenggen · Mar 12, 2014

are u 100% percent confirm ? cause i am on a tight budget i dun want to have any regret spending more money on a new Psu......

Trave · Mar 12, 2014

Yes I've searching for this card too,gonna get one thise year.

rockyboy97 · Oct 11, 2014

Hi every one. I have Acer Aspire M3985 here specs:
Windows 8
Intel Core i5 3330
1 TB HDD
8 GB Ram ddr3
Nvidia GT 630 2gb
PSU 300 w FSP GROUP

Output Rise Time + 3.3Vdc : 20ms Maximum
+ 5Vdc : 20ms Maximum
+ 12Vdc : 20ms Maximum
+ 5Vsb : 20ms Maximum
- 12Vdc : 20ms Maximum

I want to upgrade to EVGA GeForce GTX 750 Ti Superclocked, 2GB DDR5. Can my pc run well whit no problem please help me ...

rockyboy97

limtenggen · Nov 5, 2014

it may do but bear in mind u are putting ur psu in risk

rockyboy97 · Dec 11, 2014

limtenggen :

What about gtx 750 superclocked (non ti) whit my system. Will it do fine.

rockyboy97 · Dec 12, 2014

Here is my psu picture. http://imageshack.com/a/img901/6492/HSZJmC.jpg
PS: I want the GTX 750 (non TI) version.
Will it work whit that psu ?

Farhan Mustapha · Mar 19, 2015

limtenggen :

from my experience..u have to upgrade your psu first and then put the gpu in

i already tried on my pc..works fine..use msi gtx 750 ti with 600psu

gtx 750 dont need power cord..just get the power from pcie

Search

Upgrade GT640 in acer m3985 for Zotac GTX 750 ti

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