Anyone?

Hello there 

the card you wanted to buy should be able to fit into your case but a shorter gtx 1050ti such as a single fan or low profile is a less riskier choice.However you will probably need a psu upgrade as the standard 290w is not enough
hope this helped

thx

Any cards not made by Dell will require SECURE BOOT OFF and CSM ON with Legacy Option Roms.

OEM Low Profile CGYV9 Nvidia GeForce GT 710 is non uefi as well.

Dell OEM ECS 8CCF1 GeForce GT 1030

Vostro 3660/3667/3668/3669/3670
Inspiron 3668/3670/5676
XPS 8920/8930

Optional  OEM 365w PSU =
7VK45 365w, Huntkey
T1M43 365w, Delta

DVP9W Nvidia  GTX 1050 Ti, PCIe, 4GB, DVI-D/DP 1.3/1.4/HDMI 2.0, 75w
36V90 Nvidia GTX 1060, PCIe, 3GB, DVI-D/3DP/HDMI, 120w
24K8H Nvidia  GTX 1050, PCIe, 2GB, DVI-D/HDMI 2.0/DP 1.3, 75w

8 pin 7VK45 T1M43 365W

https://www.dell.com/en-us/shop/pny-geforce-gt-1030-graphics-card-gf-gt-1030-2-gb-gddr5-pcie-30-x4-l...

When installing an after-market graphics card into a certified Windows PC from 2012 or later with UEFI Secure Boot enabled, the system may not boot or post or show anything on the screen.

https://nvidia.custhelp.com/app/answers/detail/a_id/3156/

anything other than GT1030 requires optional proprietary 8 pin power supply.

GT1030 uses 40W not 75W like the 1050/1050TI so its not an issue.

https://www.geforce.com/hardware/desktop-gpus/geforce-gt-1030/specifications

The card that works in almost ALL Dell models except for USFF and Micro because they have no slots is a Gigabyte GT1030 GDDR5 card.

https://www.amazon.com/GIGABYTE-GeForce-GV-N1030D5-2GL-Computer-Graphics/dp/B071DY2VJR

There is a DDR4 GT1030 version of the card that YOU NEVER WANT TO BUY because its junk.

Even really old DELLS from 2006 work with Pascal based Nvidia cards.

https://www.youtube.com/watch?v=qa9b0TkTsLM

Many Older Dells use a Specific DOS VESA video mode 103 that is not supported by ATI vendors.  This means even new Pascal 10 series cards aka 1030 1050 1060 1080 TITAN XP work fine in most all dells but

RX460 RX580 etc don't work at all and the new RTX 1660 2080 Etc have the same UEFI required issue.

Thanks for the info Idk and speedy. I decided to get the EVGA GeFroce GTX 1060 6GB video card (which is confirmed to fit into Inspiron cases because of it`s size), and the Corsair 750W CP-9020078 (which a Youtuber verified it works with Inspiron cases). Just waiting for the parts to arrive pretty much. I will try and remember to turn off secure boot for sure thanks for the tip. Will try to keep you guys posted on the build once it`s finished. 

Video Card: https://amzn.to/34rGUJs PSU: https://amzn.to/2LrsNeJ

Just so you guys know i didnt need to turn off Secureboot. I upgraded the RAM and GPU successfully (oh and the power supply too). I will be upgrading the CPU soon too so stay tuned for that in this thread, which is where we are discussing the best CPU to upgrade to for the money:

dell.com/community/Inspiron-Desktops/Inspiron-3670-compatible-processors/td-p/7371437

You Do have to turn secure boot OFF if the card is NOT DELL

8CCF1 Nvidia GeForce GT 1030, 30w

When installing an after-market graphics card into a Windows PC with UEFI secure boot enabled, the system may not boot.  This is true for ANY PC not just Dell.

http://nvidia.custhelp.com/app/answers/detail/a_id/3156

https://www.dell.com/en-us/work/shop/pny-geforce-gt-1030-graphics-card-2-gb-gddr5-low-profile/apd/a9763687/graphic-video-cards

CP-9020078 Corsair CS750M  has 24 pin EPS 12v connector that must be converted to 8 PIN proprietary Dell

Is not working out of the box because the fan would be face down and the power supply is in the bottom.  You can modify the case and mount the supply upside down to address that.

The CAB359 from Moddiy has been tested and works fine.  Optiplex 3020 9020, Precision T1700, Power Edge T20 also use the same thing. There is also a guy who made his own adapter from scratch.

https://www.moddiy.com/products/Dell-Inspiron-3650-PSU-Main-Power-24-Pin-to-8-Pin-Adapter-Cable-30cm.html

https://raphtec.wordpress.com/projects/dell-poweredge-t20-atx-power-supply-adapter/

Thanks for the info. As an update for my machine, I am still using it with a Corsair 750W PSU and 6GB video card. Thinking of building a PC eventually so I probably will be abandoning this computer and selling it somewhere. Thanks everyone for the support, hope this thread helps future Inspiron 3670 users. Cheers. 

I am just adding to this thread with more up to date information. The power supply recommendations are correct and I highly recommend finding making the upgrade.

Optional OEM 365w PSU =
7VK45 365w, Huntkey
T1M43 365w, Delta

However, here are some corrections:

1) You CAN use any GPU upto about 75W as long as it does not require the extra PCIe power connector. The best card in this category at this time is the GTX-1650 (NOT the 1650 Super which needs more power).

2) IF you upgrade to the OEM 365W power supply, you can install the GTX-1660 Ti or GTX-1660 Super with just a 6pin to 8pin PCIe power adapter. (NOTE: I strongly believe you could also use the RTX-2060 without a problem but I have not tested it. According to testing done at Tom's Hardware, the RTX-2060 NEVER draws more than ~9 Amps on the PCIe power connector, and the 365W PSU provides upto 11 Amps!)

3) No matter what graphics card you install, you do NOT need to make any BIOS changes. Just disconnect power, install the card, and update the drivers. It really is that simple now!

Here is a link to the 6pin to 8pin PCIe adapter I used: https://www.amazon.com/Cable-Matters-2-Pack-6-Pin-Adapter/dp/B01DV1Z32Y

Here is a link to the Tom's Hardware testing I referenced: https://www.tomshardware.com/reviews/nvidia-geforce-rtx-2060-ray-tracing-turing,5960-8.html#:~:text=The%20GeForce%20RTX%202060's%2010.4,last%20generation's%20Pascal%2Dbased%20cards