I bought it as a pre-built, but i'm looking to upgrade some things within it now.
Just looking for links to GPU's under $300
Type: Personal computer - mid tower
Processor: 1 x Intel Core i5 (6th Gen) 6402P / 2.8 GHz ( 3.4 GHz ) ( Quad-Core )
Cache Memory: 6 MB
Cache Per Processor: 6 MB
RAM: 8 GB DDR4 SDRAM - PC4-17000
Hard Drive: 1 x SSD 120 GB
Hard Drive (2nd): 1 x 1 TB - SATA 6Gb/s - Serial ATA
Optical Storage: DVD±RW
Graphics Controller: NVIDIA GeForce GTX 960
Video Memory: 4 GB
Audio Output: 7.1 channel surround
Networking: GigE, 802.11ac
OS Provided: Windows 10 Home 64-bit Edition