Is the GTX 960 compatible wuth an ASUS M32 Series?

Solution
Yes, but why 4GB since your system doesn't support 2 GPUs in SLI? You have a very high resolution monitor? Newegg sell only one GTX 750 Ti 4 GB http://www.newegg.com/Product/Product.aspx?Item=N82E16814125813&cm_re=gtx_750_ti-_-14-125-813-_-Product and it requires a 6-pin PCI Express cable.

https://www.pugetsystems.com/labs/articles/Video-Card-Performance-2GB-vs-4GB-Memory-154/

The following GTX 750 Ti don't need a 6-pin PCI Express cable (double-check the specs before ordering):
- http://www.newegg.com/Product/Product.aspx?Item=N82E16814487024&cm_re=gtx_750_ti-_-14-487-024-_-Product
- http://www.newegg.com/Product/Product.aspx?Item=N82E16814487025&cm_re=gtx_750_ti-_-14-487-025-_-Product
-...


this is my PC
https://www.asus.com/us/Tower-PCs/M32BC/
 
I see no reason why it wouldn't be compatible, but you'll replace an R7 240 that requires no PCIe connector by a GTX 960 that needs one 6-pin connector; does the included PSU provide the required connector and how powerful is it? The GTX 960 draws approximately 80W more from the 12V rail.
 


In the page says that ot haves 1x pci-e 16x
1x mini pci-e
The power supply is 300W
 
All it says is that you have a 300W PSU (the first link that you provide didn't even include that info); you have to remove the side panel and check for the cable or provide the make and model number of the included PSU. As you can see at http://www.realhardtechx.com/index_archivos/Page362.htm the recommended PSU for a GTX 960 is 80W more than a R7 240 (that matches the expected additional power draw). If I were you I'd presume that a new quality 400W PSU is required.

If you read the reviews, is this correct? "-If you want to install a video card that is 2 slots wide there may not be room for your sound card and other components because the PCB setup." You have the PC; therefore you can easily check it.
 

ok but with the supply power i can run the gtx 960 ? without the recomended power?

 

Do you think a Gtx 750 ti 4 gb will fit and it will be ok for my PC?
 
Yes, but why 4GB since your system doesn't support 2 GPUs in SLI? You have a very high resolution monitor? Newegg sell only one GTX 750 Ti 4 GB http://www.newegg.com/Product/Product.aspx?Item=N82E16814125813&cm_re=gtx_750_ti-_-14-125-813-_-Product and it requires a 6-pin PCI Express cable.

https://www.pugetsystems.com/labs/articles/Video-Card-Performance-2GB-vs-4GB-Memory-154/

The following GTX 750 Ti don't need a 6-pin PCI Express cable (double-check the specs before ordering):
- http://www.newegg.com/Product/Product.aspx?Item=N82E16814487024&cm_re=gtx_750_ti-_-14-487-024-_-Product
- http://www.newegg.com/Product/Product.aspx?Item=N82E16814487025&cm_re=gtx_750_ti-_-14-487-025-_-Product
- http://www.newegg.com/Product/Product.aspx?Item=N82E16814127836&cm_re=gtx_750_ti-_-14-127-836-_-Product

Don't buy one that requires a 6-pin connector because your PSU probably doesn't have one and it isn't powerful enough.
 
Solution
An R7 240 obviously doesn't have a PCI Express connector and therefore your PSU doesn't provide it either; that GPU draws much less than 60W. Why do you need a 4 GB GTX 750 Ti? You can't use two in SLI on your motherboard and 2 GB is enough for your monitor unless you have a high-end monitor or you will connect several 1080P monitors. If you absolutely need a 4 GB GPU, then you need a new PSU that provides the required PCI Express connector(s).
 



im gonna use the gtx 750 ti 4 gb for gaming and i have a high end monitor