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Seasonic X-760 760W Power Supply

By: Chris Ramseyer | Other PSUs in Cases, Cooling & PSU | Posted: Jan 13, 2011 6:50 am
TweakTown Rating: 95%Manufacturer: Seasonic USA

Cabling Arrangement




Seasonic makes sure that you have plenty of options available to fully utilize the 760W offered up by the X-760. Besides the necessary 20+4 pin main and ATX 4+4 connectors, the X-760 also comes with an EPS12V connector. The four 8-pin PCIE connections are made via two connections that each have two full length cables instead of one chained after the other on a single cable.


Rounding out the connections available are ten SATA connections and 6 Molex connections. Note that there is no floppy connector. In the event that you do need a floppy connecter or two, Seasonic includes a single Molex to dual FDD adapter. It is nice to see a move away from including this as a standard connector, as it hasn't been utilized in a majority of systems for almost 5 years.




Seasonic keeps rail distribution simple and tidy with the entire X-series power supply lineup. There is only a single 12V rail, so not much to talk about here.



A Look Inside




Opening up the X-760 reveals some very interesting workings. Earlier it was mentioned that the picture on the box looked like part of the power supply was missing, but it is in fact all there. This is due to multiple things that we simply aren't used to seeing on most power supplies.


First is the entire lack of cable clutter coming into the power supply. Since the entire cable arrangement is modular, there are only a few wires that are necessary to transfer power from the 12V rail to the front output terminals.




Second is that almost all of the capacitors are on the secondary side and are much smaller than what most are used to seeing. This further reduces the clutter that most are used to seeing buried behind the rats nest of cables leading out of the power supply.




Cleaning things up even further is that all of the connections to the 3.3V and 5V rails are made on the modular PCB. This lets Seasonic actually move this part of the secondary to the modular PCB and removes it from the main PCB. More than a dozen components are relocated via this method and all of this comes together to explain why the power supply looks so empty.




Of the half dozen or so electrolytic capacitors that are in use, all of them are Japanese Nippon Chemi-con caps on the primary and secondary.


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