Looking for help on my plan to upgrade my CPU

Zealiance

Reputable
Dec 20, 2016
7
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4,510
I currently have an HP Pavilion Elite HPE-170t

Here are it's current specs
- Intel i7 860 2.8ghz
- 8 GB (4 x 2 GB) DDR3 PC3-10600
- EVGA GTX 960 4gb
- MSI MS-7613 with an h57 express chipset
- HP 460W Power Supply 5188-2863

I was looking to upgrade the cpu, however I'd have to upgrade other parts as well.

Here is what I'm looking to buy.
- Intel i5 8400
- Cosair Vengeance LPX 4gb 2400mgz
- MSI Pro Series Intel B250 LGA 1151

I'm not sure if I'm missing anything, if I have something wrong, or if my power supply will be good enough for what I'm hoping to do.

Let me know if more information is needed.