Reviews - Silverstone OP1000-P 1000W
Sample Provided by: SilverStone (By OklahomaWolf on Sat, Jul-25-2009)

Page 1 -

Several past Silverstone power supplies have proven to be less than spectacular, if you've been following this site for a while. Most of them are good, solid, reliable workhorses that do exactly what they should do, but few of them have proven to be memorable enough to garner that fancy recommendation logo at the end. The OP1000-P looks to change that. The "P" stands for plus in this case, signifying that the OP1000-E platform I looked at way back in October of last year has had some refinements. Most significantly it is now 80 Plus worthy, carrying standard certification.

I have to admit, however, that I am hoping for more than just another unit that can clear 80 Plus requirements. The old OP1000-E brought in some unsettling ripple and noise anomalies, and what I really want to see is if this unit has addressed that issue. We'll find out soon enough. In the meantime, here are some bullet points for you.

  • Class-leading single +12V rail with 80A
  • 1000W continuous power output rated up to 50°C
  • Low ripple & noise with +/- 3% voltage regulation
  • Efficiency greater than 80% at 20%~100% loading
  • Six PCI-E 6pin, dual PCI-E 8pin connectors
  • Silent running 120mm fan with 20 dBA
  • Support ATX 12V 2.3 & EPS 12V

I really should do some complaining here about how I wasn't listened to back in the OP1000-E review when I said that three 6+2 pin connectors and three 6 pin would really be a better way to go than just two 6+2 pin and four 6 pin, but it's just too hot today. So, I'm going to hallucinate some giant ice cream cones dancing to the Archies instead.

Apparently, this unit has special features. Like SATA connectors and... gasp... PCI-E connectors. This is truly a revelation in power supply technology. No, I won't replace your broken sarcasm detectors.

Ah, good. The color of the unit is once again provided for us here. It's black. There's also a set of specifications on this side of the box.

Over on this side of the box, you get the bullet points from the front of the box restated in several different languages in case you're not so good with English. Like me on a really hot day. In fact, I should warn you right now - if it gets much hotter, my brain will start cranking out the clichés like crazy. Uh oh... I think it's already started. I better run like the wind and get an ice cold bottle of water.

Packaging is the standard Silverstone treatment, with only a pair of user guides to be seen on opening up the box.

Here's the contents of the box. Two zip ties, some screws, an installation manual, a specifications manual, a power cord, and a power supply.

Here's the spec manual in case you're interested.

Here's the installation manual in case you're interested. Both manuals pretty much tell you everything you ever wanted to know about this unit, and the installation guide is done in several languages.

As always, this particular unit is finished in a nice matte black.

The finish does tend to pick up fingerprints pretty easily, but a nice soft cloth should fix that. I can't say those stickers plastered on all willy nilly do anything for me though - they stick out like a sore thumb. Oops, looks like I need another sip of ice water.

The top side of the unit, which will probably never be visible in most cases, has this nice embossed Silverstone logo on it.

The specs of this unit are absolutely identical to the OP1000-E, but this time I have an advantage - I can load this up to its full 12V capacity now thanks to those auxiliary 12V loaders. That'll be fun. 5VSB is a higher than average 4A - this could be good news for those of you running a lot of USB devices off the standby rail, as some motherboards tend to do.


+3.3V +5V +12V1 -12V +5VSB
28A 30A 80A 0.5A 4A
Max Power 180W 960W 6W 20W

It looks like Silverstone paid no attention at all to my comments on the cabling from the OP1000-E, because quite frankly it's a mess again. Sure, the sleeving is pretty well done, but it stops at the first connector on each chain. With whole 250mm sections completely unsleeved, this creates the potential for a big mess. 250mm is way too much cable between connectors anyway, says I. How many of your cases have hard drives 250mm apart?

Type of connector: Silverstone
ATX connector (550mm) 20+4 pin
8 pin EPS12V (765mm) 1
4 pin ATX12V (560mm) 1
6+2 pin PCIe (570mm) 2
6 pin PCIe (+150mm, 570mm+150mm) 4
5.25" Drive (520mm+250mm+250mm) 6
3.5" Drive (+150mm) 2
SATA (520mm+250mm+250mm) 6
Unit Dimensions(L x W x H)
160mm x 150mm x 86mm

And that EPS cable... yikes. 765mm. That's like thirty inches. You could run that thing to China and still bring it around to your mainboard. If you have a small case, prepare to hide lots of wiring on this puppy. If you have a large case, and are having issues finding cables that will reach, this may be your power supply.


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