Reviews - Silverstone Fanless ST45NF 450W
Sample Provided by: SilverStone (By OklahomaWolf on Sun, Jan-11-2009)

Page 1 -

I see by the calendar on the wall that another week has gone by, and once more I get to show off yet another cool power supply. This time, I'm breaking new ground for the site by testing our first fanless unit, the Silverstone Nightjar 450W.

And with this first box shot, there's already plenty of cool stuff to talk about, for all the bragging points are right here for the drooling over. 80 Plus bronze... drool. Solid state capacitors - they must mean polymers - drool. Fanless, zero dBA - drooooooool. Ok, my mouth is dry now. I need a doctor. Pepper, that is. Fortunately I have one right here.

The front of the box also promises a single chain of PCI-E connectors - one 6+2 pin and one 6 pin, status indicator LEDs, active PFC, 450W continuous power (500W peak), and my favorite - server level components. Friends, past Nightjar models have ended up being built by Etasis. If this one is too, it should immediately be something special, for Etasis is known for very good quality stuff. And just look at that black and white innards picture on the box. I don't know about you, but unless that's done to scale this is going to be a beast of a unit.

Moving on with our tour of the box, we find out more about the box in this shot, and it looks like... uh oh. What's this here? It almost looks like there are two load tables. Fiddlesticks! It looks like we're only getting a 400W unit at 120V. The 450W rating is at inputs above 180VAC. Way to bait and switch there, Silverstone. But wait... that UL number there (e176239)... is that... it is! It's an Etasis built unit! Ok, I'm going to cook this thing real good now in the hot box. Muahahaha!

Onwards and sideways, here's another panel of the box. More bragging points, this time in four other languages.

Opening up the box for the first time, the first sight we see is not one but two manuals. One contains every spec known to the human race of the Nightjar itself, while the other is an instruction book for mounting the unit.

Ah, there's the unit itself. It sure looks like it means business. I presume that little white box has the power cord and other accessories in it, so I'll just get it all unpacked here.

My arm... my arm... my poor arm. Guys, don't try to lift one of these things out of the box with one arm... you'll hurt something. Use something appropriate, like... oh... a forklift would do it. But seriously, this is one heavy power supply. When you get tired of it, you can use it to anchor your fishing boat when you're out there on Lake Kennakatchabigun looking for the one that got away last year because you were too busy goofing off and ended up going overboard. Not that that's ever happened to me or anything, that would... I'll just... trail off here...

Other goodies thrown in with this bank vault of a power supply include a power cord, the manuals I mentioned, and a bag with some screws and velcro straps in it.

Here's a shot of both manuals. The installation manual looks to be the same one that came with the ST1200 I reviewed not long ago. The other manual reiterates that the unit is only good for 400W at 120V. This means I'm going to have to test at 400W, me being in Canada and all. But, a quick look over at the 80 Plus site reveals that they did their testing to 450W at 120V. While I won't exceed rated 120V specs to validate the 80 Plus numbers, I will make it a point to get this thing good and hot so we can see how underrated that 120V rating is.

If the Silverstone looked massive from above, it looks more massive here. One of those two LEDs is used to show operation status and the other turns yellow when the case gets above 55 degrees. The manual cautions that if you see it go yellow, you might not want to go touching the case with bare fingers.

While this unit is fanless, it's quickly becoming clear to me in shots like these that this unit will want some airflow through it when mounted in a case. I mean, that whole plate up top there is one big heatsink and there are ventilation holes everywhere, but I just need to point something out now - the PSU is upside down in this picture. This means that in a standard ATX tower configuration that doesn't allow for reverse mounting of the PSU, that big heatsink will be facing down. The circuit board with all its heat sensitive components will be on top. And heat rises. You know what that means, right? Correct - any heat in the case will go straight up and start baking the power supply's main PCB. Therefore, my suggestion is to plan on at least some airflow being present. Keeping the case positively pressurized should work pretty well. We'll find out how well on the next page.

Finally, here's the load table in all its glory. Only the 450W spec is listed on it, so I guess it's up to me to show the actual 120V spec.

Silverstone SST-ST45NF
(120 VAC)
+3.3V +5V +12V -12V +5VSB
20A 14A 32A 0.5A 2.5A
Max Power 130W 384W 6W 12.5W

Yes, Virginia, it's a single 12V unit. And now, just to be redundant, here's the 240V spec.

Silverstone SST-ST45NF
(240 VAC)
+3.3V +5V +12V -12V +5VSB
22A 15A 35A 0.5A 2.5A
Max Power 130W 420W 6W 12.5W

The cabling on this unit turned out to be a mess in the making. While some are sleeved, none go right into the case and several stop at varying distances from the PSU leading to this here cluttered looking picture. In addition, the Molex and SATA chains have 250mm segments in them, which looks extra messy without the sleeving. I foresee some functionality points coming off for that. And now, a table.

Type of connector: Silverstone
ATX connector (560mm) 20+4 pin
8-pin EPS12V connector (570mm) 4+4 pin
2 x 4 PCIe (570mm) 1*
2 x 3 PCIe (+150mm) 1
5.25" Drive (510mm+250mm+150mm) 6
3.5" Drive connectors (+150mm) 2
SATA (510mm+250mm+150mm) 6
Unit Dimensions(L x W x H)
160mm x 150mm x 86mm

*connector is 6+2 pin modular type


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