Need some 750Ti help

[CiaranDoesThings]

Hi i just Bought a 750ti asus 2gb And i have a small case Dell optiplex 755 Dt and i think i can fit it in by taking a bit off the case, But i only have A 280w dell rev a001 Psu And the gpu Has a 3x2 Thing that looks like a 6 Pin connector, Is it? and What shall i do (Im upgrading psu and Case in a few weeks)

 

[dontlistentome]

It would have helped if you included the make/model of 750 Ti you have. Most 750 Tis don't use that connector, but I have seen a couple of models that do. It would be sad if somehow, someway, the 750 Ti that you bought is one of the rare ones that do.

If it is, then there's nothing you can do except wait till you get the new power supply.

 

[CiaranDoesThings]

Its An Asus Oc Version I Think its dual slot cuz it has another vga port at the top

 

[william p]

Dell used a proprietary 6 pin connector off of the PSU, I think it was marked P4. It had a couple diffrernt cables to run either SATA, or IDE drives depending on the system it was used in. The size of the PSU is OK. The 755 probably has a Legacy BIOS. If your card is UEFI rated then it won't work.
Here's an AMD page about his.
https://community.amd.com/community/gaming/blog/2016/04/05/radeon-r9-fury-nano-uefi-firmware

 

[junkeymonkey]

did you even look over at sell to see if a 750 ti will even work if you were to fit it in properly ?? a lot find out the hard way NO

some models of store bought computers [dell.hp,acer,ect..] may come with a ''locked or fixed'' / legacy or uefi bios and may not allow you to change certain hardware as a video card.. this is done to protect them from undue warranty claims and refunds .this is not done to hurt you but to protect them. you really need to see if that upgrade has been proven to work in your model first before you invest money in it .. there are a lot of these threads here at toms to look at some models will allow upgrades and some dont.. and a lot of guys here say ya ya ya when is really no no no...it would be sad you spent $200 on a card that won't post after you installed it as most find out. then get told its your psu and you spend more and end up right back where you are now, but its up to you good luck..


you got to know the boards in these computers are not like the ones we use to do custom builds witch are open to upgrading with in the boards compatibly . the bios is custom made for there design and just for the parts they authorize to be used on there computers there only guaranteed to work as is out of the box as you bought it ,..


also these boards do not have to meet atx standards and there pci-e slot power may not do the required 75w needed for most higher end cards and can be limited to say 45 or 60w that is all thats needed with the low end factory oem cards that it may of shipped with
[example]
http://en.community.dell.com/cfs-file/__key/communityserver-discussions-components-files/3514/1030.DESKTOP.jpg

in the end any upgrade you do is all your own risk . the prebuilt

http://en.community.dell.com/support-forums/desktop/f/3515/t/20003518


or may need

''Pros: Legacy switch! I don't know why this isn't advertised more but for someone using a HP computer running a legacy bios this card is my savior. Even under pressure it seems to handle mostly everything I throw at it plus it's quiet and affordable''

https://www.newegg.com/Product/Product.aspx?Item=N82E16814127783


good luck

 

[william p]

http://www.userbenchmark.com/System/Dell-OptiPlex-755/3939
Here are some Opti 755 builds. You will notice they all have Nvidia cards except for AMD cards 7xxx or older. My experience with this is a BIOS error "VESA mode 105 not supported by this GPU" on my R9-285. 8xxx cards are OEM 7xxx cards I believe. You won't be able to view your BIOS screen with this error. Some of the R9-2xx cards are rebadged 7xxx and should work. R9-285 is an early R9-380.
The 6pin PCIe cable doesn't show up on Dell PSUs until the 375W PSU in the work station , and mid towers that have space for a 2 slot full length GPU. They fit in the 755MT.