Question Im buying a new PC, please help me which one is the best!

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1. Gaming 6 i5-6400/8GB/120SSD/1TB/GTX950-2

2.
Specifikacije:
Procesor: Intel i5-3470
RAM: 16 GB DDR3 1600Mhz
Grafična kartica: ASUS GTX 970 Strix 4GB
SSD: Samsung EVO 840 250GB
HDD: Seagate Barracuda 1TB
Napajalnik: 650W
OS: Original Windows 10 Pro

3.
Intel® Core™ i5-6400 2.7GHz
AMD Radeon R7 350
8GB RAM
1TB HDD
Windows 10 Home

4.
Intel i5
8gb rama
500gb HDD
R7 250 2gb
Windows 10 Home

5.
Intel core i5- 2400 3,1 GHZ
Nvidia Geforce GTX 1060 6gb
masterwatt 500( z garancijo)
8gb ram ddr3
120 gb ssd
500gb hdd

6.
Intel Core i5-750 3.20 GHz Turbo 4-jedrni procesor
Asus GTX 650ti 2GB GDDR5 Grafična kartica
8GB DDR3 RAM 1600MHz
500GB HDD
Windows 10 pro

7.
Intel® Core™ i5-6400 2.7GHz
AMD Radeon R7 350
8GB RAM
1TB HDD
Windows 10 Home

8.
I5 2400 ~3.4 Ghz 4 jedra
12 Gb Rama
Gigabyte gtx 1050ti 4Gb OC
500Gb hdd
Nov Kingstone 120Gb ssd


Those computers are all used but all have a decent ( on budget ) price. please help me which one is the best.. help would be MUCH appreciated !!

 

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They are all around 300€.. rlly need help

 

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-cpu Intel Core i7-4770
-2.....grafika GeForce GTX 750 Ti 2GB DDR5
-ram ddr3 8 Gb
-disk 1 Tb sata
maybe this?