Ultra X4 600W & 1050W Power Supply
Author: Zahn Funk
Editor: Shawn Knight
Date: 10-19-2009
Provided by: Ultra Products
Pages:
Specifications

While specifications for the X3 series power supplies were readily available at the time those reviews were conducted, information on the new X4 lineup prior to its actual launch is still a bit sparse. What we do have to go on is taken mostly from the product packaging and thus pertains directly to the 600W and 1050W units we have in front of us. Advertised features for both include 80Plus Certification for efficiency, Active PFC (Power Factor Correction), low-noise operation and fully-modular cabling.


Both of the X4 units come packaged very neatly, surrounded by foam with separated compartments. The modular cables have their own nylon storage bag, a great idea to keep all those extra cables together. There are also handy thumbscrews for mounting, standard screws, zip ties, user manual and a silicone vibration dampening sleeve. The user manual explains how to connect each type of cable and pictures are included of each step. Both units come with the exact same accessory bundle. While not surprising for a high-end unit like the 1050W, is nice to see included with even the mid-range 600W.


The modular cable bag has two separate sides and all the cables are stored neatly with Velcro ties wrapping each one individually. The X4 1050W cable bundle, pictured on the left, comes with a standard AC power cord, main 24-pin ATX, 4-pin and 8-pin +12v, three 6-pin and three 6+2-pin PCI-E, four dual-connector SATA, two 3-way Molex and two 3-way Molex with floppy connectors, and a dual 3-pin fan header cable. The X4 600W uses identical cables, pictured on the right, but includes a few less than the 1050W. Only one of the 6-pin and 6+2-pin PCI-E rather than three of each, one less of the SATA for a total of three, and an equal number of the remaining cables. Obviously the focus of the 600W is for a single-GPU system whereas the 1050W is suitable for dual or even possibly tri-GPU solutions.


I won't go into detail on each cable individually but of particular note I believe is the mesh sleeving used - it's not the typical, stiff plastic-like wrap but is instead a softer, more pliable fabric-like material. The ends are zip tied and have heat-shrink tubing. While not quite as nice in my opinion as the X3's FlexForce cables, these are a close second. Since there are separate 4-pin and 8-pin +12v cables and the main ATX cable is 24-pin only, rather than 20+4-pin, the only connectors with detachable pins are the 6+2-pin PCI-E.




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