The guys at Linus Tech Tips released a great video testing radiator fan placement as push, pull and push/pull; not to mention a few "interesting" layouts. Click the video or source link to watch.

LinusTechTips

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Jayztwocents puts the Corsair H100i against two popular expandable liquid coolers. While the swiftech model is no longer available in the USA, the EK unit is. Needless to say, both styles are good choices and it comes down to what you want out of a system.