power supply help

[N_____]

Hello! I would like to know, which one from this list is better to buy?
Thank YOU=]
http://www.1a.lv/datoru_komponentes_tikla_produkti/korpuss_dzesesana/barosanas_bloki/cooler_master_b600_ver2_psu_600w_atx_23_rs600acabb1eu
http://www.1a.lv/datoru_komponentes_tikla_produkti/korpuss_dzesesana/barosanas_bloki/in_win_atx_psu_650w_greenme650w
http://www.1a.lv/datoru_komponentes_tikla_produkti/korpuss_dzesesana/barosanas_bloki/xilence_atx24_performance_a_630w_xn062

 

[Dark Lord of Tech]

All are very poor quality.

 

[Dark Lord of Tech]

Wouldn't go any cheaper than this.
http://www.1a.lv/datoru_komponentes_tikla_produkti/korpuss_dzesesana/barosanas_bloki/corsair_atx_24_cx650m_650w_cp9020103eu

 

[N_____]

Wouldn't go any cheaper than this.
http://www.1a.lv/datoru_komponentes_tikla_produkti/korpuss_dzesesana/barosanas_bloki/corsair_atx_24_cx650m_650w_cp9020103eu

Hmm, in win GREENME and Xilence=tier three in psu tier list, and your recommended psu=tier four.
Who's right, who's wrong?=]