WELCOME to CeBIT POWERHOUSEPC SHOW

Alex Chow Sales

Catalog

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Seasonic factory

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Power Supply presentation

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Why use seasonic?

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Advantage and summarize

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Factory Introduce

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Company name: Sea Sonic Electronics Co., Ltd.

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Established :September 1975

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Pay-in Capital: US$18.62 million

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Major Product: Switch mode power supplies for PC, IPC, telecommunication and IT.

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Our Mission Sea Sonic Electronics Co., Ltd. is dedicated to: Products: Design the edge cutting products to lead the market

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Marketing: Provide finest level of customized services Services: Maximum flexibility to meet our customers' needs Finance: company with a strong balance sheet.

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PowerhousePC

IT marketing Electronic marketing Finance and Accounting 2008.4

Plan Technology Developing

Marketing Supporting Management

CRM 5 Information maintain HR and manager

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Seasonic product

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Seasonic S12II- 430W

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Seasonic S12-550W

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Seasonic S12-650W

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Seasonic M12 700W

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Seasonic X900W

Seasonic Ads

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550W &650W

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Power Distribution

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Performance

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Performance 2

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silence

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Flexibility

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S12II 430W

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Special Features – Performance Multiple +12V Outputs

Enhanced +12V current capability broadens utilization possibilities.

Super High Efficiency [up to 85%]

Optimal solution for low energy consumption, noise & heat.

Active Power Factor Correction [99% PF]

Reduces line loss & power distortion.

Double Forward Converter Design

Advanced topology for the highest efficiency.

Conductive Polymer Aluminum Solid Capacitors

Advanced ultra-low resistance, high temperature capacitors on critical 12V rail.

12cm Double Ball Bearing Cooling Fan

Increases airflow & lifetime and reduces rotation speed ad noise.

Smart & Silent Fan Control [ S²FC]

Smart thermal control to balance noise & cooling.

Soft-Mounting Rubber Cushions

Reduces fan rotation & vibration noise.

Ultra Ventilation [Honey Comb Structure]

Minimized airflow resistance for maximum cooling.

All in One DC Cabling Design(*applies to models 430W and above.)

Supports PC, IPC, workstation, server, & dual CPU systems.

Universal Video Card Support

Support new PCI-E video card technologies

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Universal AC Input [Full Range]

Plug & run safely anywhere in the world.

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Conclusions 430W

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    The S12ii-430 takes Seasonic a small step further along the path to higher efficiency and lower noise. It is an improvement over the Super Tornado, albeit a small one for most users, but a more significant one if you have a system with hotter, more power hungry components. While the minimal noise level is about the same as in the older ST series, the new S12ii-430 fan controller ramps up considerably more gradually as the power load increases. This probably has to do the incremental improvement in efficiency and more efficient heatsinks that wick the heat away just a bit faster, thus keeping the PSU a bit cooler to a higher load with less airflow. We're pretty sure that the fan controller has been tweaked to take acoustic advantage of the improved thermal characteristics of this PSU. Users of the Super Tornado 400 Rev. A3 should not rush out to replace it with an S12ii-430; the gain will be marginal unless your system is pushing the fan controller to ramp up audibly. Even then, making improvements in your overall case airflow may give you more improvement with no money outlay, and the noise level of the ST may be low enough to be masked by louder components in your system anyway. As well as the S12ii-430 performed, we were a bit disappointed that it did not quite reach the 80% or better efficiency at 20%, 50% and 100% loads achieved by Seasonic's Model SS-400HT Active PFC in the

80 Plus program

. In summary, the S12ii-430 is the quietest fan-cooled PSU we have tested to date, by a small margin. It is also quite powerful enough for most systems, and very efficient. About the only thing more that a gamer might ask for is support for the 6-pin peripheral power connector used by power-hungry PCIe VGA cards; this feature is available in S12ii-430's bigger siblings, the S12-550 and the S12-650.

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S12 650W in PCworld

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Interior

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The circuit board looks very similar to the higher capacity S12 models that we've seen, one difference immediately catches the eye: The heatsinks have changed.

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550W and 650W CONCLUSIONS

For a high end, blazing performance, dual-graphics, overclocked monster of a system, we know of no quieter power supply than the Energy Plus. Acoustically, the Energy Plus has surpassed our expectations of what is possible from a quiet power supply and set a new standard. With a fan that doesn't begin to increase in speed until 250W output, it will take a concerted

effort

to force the Energy Plus to become noisy — a nice change from the need to put effort into

preventing

added noise.

As expected for an 80 Plus power supply, efficiency was top notch, and the 85% peak very close to the highest we've measured. That said, the high efficiency does need to be put into perspective. A little extra efficiency is nice to have in a powerful system, but an extra two or three percentage points doesn't work out to much of an energy saving unless the load is ridiculously high — which kind of defeats the purpose. In the range that most people will use it, the Energy Plus models are not any more efficient than Seasonic's existing models.

The biggest strike against the Energy Plus is its price. $150 for a power supply is far from pocket change, and there are plenty of cheaper alternatives that are just as quiet at lower levels. To reiterate: The Energy Plus is a power supply for connoisseurs: It's engineered beyond what most people need, but if you're looking for a special power supply for that special system, the Energy Plus fits the bill perfectly.

Nice as it is, we can't help asking where are the lower capacity models that perform like the OEM models that we've already seen from Seasonic. We know they are capable of building a power supply that is 84% efficient at 65W. Where is the 330W Energy Plus that can match the SS-300SFD for low-load efficiency? Here's to hoping Seasonic brings one out for energy conscious silent PC enthusiasts.

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M12 700W In the ATOMIC

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EXTERNAL

 One thing that is unusual is the size: The M12 is about two centimeters longer than usual so that the extra fan can be accommodated. On top of that, the detachable connectors require clearance beyond the back panel, increasing the required amount of space even more.

 The 60mm fan on the back panel is slightly off-center, where it blows directly over the main transformer. A small note below the fan reads "

Temperature activated fan. Rotates only when required

" — a fine detail that should help cut the workload of help-my-fan-isn't-spinning calls for Seasonic's tech support team.

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Conclusions M700 W

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    The M12 is similar in many ways to Seasonic's recently released S12 Energy Plus series. The two product lines are based on the same electronic design, they are both 80 Plus certified, and they both come in very high capacities. And, they now share the title of quietest power supply. Both are very quiet at idle, and will not get noisier unless pushed by a very powerful system. In fact, the main differences between the two product lines are summed up in the names themselves: The

Energy Plus

while the M12 (

M for Modular

) has modular cables.

is slightly more efficient, If you've been dying for a quiet, modular, high power alternative to Antec's Neo HE , the M12 can certainly deliver. The M12 sports the best modular design that we've seen, and its powered by the high quality electronics that Seasonic is known for.

The drawbacks of the M12 are the same ones that we saw in the S12 Energy Plus: The high price and the huge capacities which are overkill for the vast majority of systems. The M12 is wonderful for a high end bar-no-expense gaming rig, but more conventional systems will do better with a model that is more suitably sized. There is one other drawback: The 60mm fan that doesn't turn off. Although it is not loud at minimum speed, it

does

contribute to noise, and a system that is powerful enough to cause the fan to start will need to be shut down to reset the noise level to the baseline level. The buzzing encountered with our samples can be annoying, but it's very specific to low loads, and it is not likely to be heard in any high power gaming rig, because the power demand even at idle will exceed 4A on the 12V lines. There's no question that the M12 is a high end product, with a price tag to match. It is targeted very specifically at gamers and overclockers that consider modular cables a mandatory feature —

and

want to take advantage of Seasonic's excellent general power delivery, efficiency and acoustics. If you fall into this market segment, the M12 should satisfy just about perfectly.

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X900 W in APC

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Compare with the coolmaster and TT

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SEASONIC REVIEW LIST 2006-2007

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Seasonic test in www.pcpop.com

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WHY SEASONIC ?

  What people talk about seasonic?

The voltages were dead on to their theoretical values, and the fluctuation was minimal between idle and load. Ideally we would have liked to see the +5.00V rail slightly elevated, but the +12V lines were great. The noise level was also minimal for this environment. From what we have seen with the Seasonic M12 700W, we were delighted by its performance and features. The Seasonic M12 series should definitely be worth trying out. www.phoronix.com

   Seasonic is one of the PSU manufacturers which market their own products. They are both ODM and OEM, like delta Electronics, Fortron-Source, Seventeam and Enhance Electronics. This is in contrast to many PSUs that are branded by the company that markets the product, and often has little to do with either the design or the manufacturing. Seasonic is also one of the longest-lived PSU makers. Their first PSUs were made for Apple way back in the '70s. As befits a manufacturer, Seasonic adds little in the way of flashy features in their products. Virtually all the features are invisible from the outside, especially to the untrained. We have always held Seasonic products in high regard for their power delivery, efficiency and low noise; www.silentpcreview.com

If you're looking for a new power supply for that hot rod system of yours, make sure you check out what Seasonic and the S12 600 has to offer. You'll definitely be impressed as has everyone who has used a Seasonic power supply. www.pcstats.com

"The Seasonic M12 Modular 700W Power Supply performs very well, has a quiet 120mm fan, and another fan if it's required. This is a modular power supply. However, the main motherboard 20/24, 8pin, and 4pin leads are hardwired into the power supply and are not modular. Modular power supplies give you the freedom of selecting only the leads you require, therefore freeing up a lot of cable mess inside the case, thus increasing airflow. Watch the Video to find out more..." www.3dGameMan.com

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Seasonic advantage

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1. LOW LOAD PERFORMANCE

The half watt that the Energy Plus consumed in standby is small enough to be considered irrelevant. Taking power factor into consideration, the apparent power draw was just under 4VA — not enough to worry about.

No-load performance was also quite good. The power supply had no problem starting with no load, and the 11.3W it consumed is as good as any other we've seen. The PicoPSU is the only power supply we've seen that consumes less power with no load, and that has the advantage of using an external power brick as its power source.

For some reason, both Energy Plus samples generated a sharp electronic clicking when no load was applied. The noise seemed to be perfectly normal — the power supply remained fully functional both during and after the clicking, and both models exhibited it. The clicking went away as soon as more than 5W were applied to any combination of voltage lines, so it's more of a curiosity than anything to worry about. It is not possible to build a system that consumes that little power.

2. VOLTAGE REGULATION

was very good. Both the +12V and +5V lines stayed within ±2% of nominal throughout testing. The +3.3V line was slightly less well regulated, showing a variance of ~4%. It should be noted that this greater variance may well be a mathematical artifact. In absolute terms, the line fluctuated by ~0.11V — slightly

less

than the ~0.12V variance displayed by the +5V line. However, because voltage regulation is measured as a percentage difference, the +3.3V line appears less well regulated.

All three of the main voltages hit the nominal voltage on the dot either at or just before full load. The largest variance was typically at the lowest loads, when all of the voltages were slightly higher than nominal.

3. EFFICIENCY

Efficiency is the raison d'être for the Energy Plus, and it didn't disappoint. Efficiency for both models peaked just shy of 85% at around 200W output. This is similar to the efficiency of the SS-400HT — the most efficient power supply we've tested — and marginally higher than the S12-500 and S12-600 samples we've tested in the past. Both models were above 80% efficiency at 20% and 50% load, but dipped a hair below 80% at full load. Most likely, the extremely tough thermal conditions of our test bench caused efficiency to drop more than it would in a properly cooled system. The margin is also within the error range of our test rig.

The 550W model was slightly more efficient (a percentage point at most) at low loads than the 650W version, while the 650W version maintained its efficiency closer to full load. Interestingly, at the low power levels that most systems idle at, the Energy Plus samples were not quite as efficient as certain other models that we've tested — including some of the original S12 models. The table below shows the efficiency of several Seasonic Power supplies at 65W output — a reasonable estimate of average power consumption.

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Seasonic advantage 2

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         Of all the Seasonic power supplies that we've tested on our current test bench, the Energy Plus is the

least

efficient at 65W, which is not an unusual idle power level for minimalist systems today. The difference is not huge, especially discounting the two other 80 Plus power supplies which weren't widely available. The

peak

efficiency of the Energy Plus is higher than the regular S12 models, so it is at high loads in the high power systems in which a 550W PSU would be employed that the advantage of the Energy Plus models would become apparent.

4. POWER FACTOR

was excellent as usual for Seasonic. For much of the test, our power meter measured a perfect 1.00 power factor.

5. TEMPERATURE & COOLING

Thermal performance was good at lower levels, and good enough at higher levels. The temperature rise across the power supply jumped up significantly at around 200W output — just before the fan ramped up. Beyond this point, the thermal rise stayed around 10~15 °C, which is higher than Seasonic's past models. The thermal rise in the S12-600 was just 7 °C at full load — half that of the Energy Plus.

The two models did not differ much in their cooling; the faster fan in the 650W model did keep it slightly cooler at higher fan speeds, but the difference was never more than two or three degrees, and the temperature rise barely changed at all.

6. FAN, FAN CONTROLLER and NOISE

One of Seasonic's biggest strengths has always been their fan controller, which ramps up more slowly and at higher loads than the competition. It's hard to imagine how this could be improved on, but somehow Seasonic has managed to go ahead and do it anyway. In the past, we have been impressed if the noise level stayed under 30 dBA@1m at 250W output — we've never encountered a power supply that stayed quiet above this level.

The Energy Plus shook loose our expectations and set a new standard for quiet: At 250W, the fan was just beginning to rise above its minimum level, and it did not exceed 30 dBA@1m until past the 300W mark. The medium and high speed fans in the different models sounded more or less identical until they speed up. Both were very quiet at minimum speed. As long as they weren't spinning too fast (most of the time), the fan noise was quite smooth and pleasant.

What this means is that the Energy Plus should be close to inaudible in almost every system. It is child's play to build a system into the 250W envelope that would never cause the Energy Plus to ramp up. The only systems that require more power than this either have multiple video cards or are heavily overclocked, usually both. Even then, it is difficult to push power consumption much above 300W — and systems that consume more than that inevitably have other fans that are not quiet.

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Thanks

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If you have any questions, please feel free to contact me at any time.

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Mobile: 0430 225 118 Best Regards, Alex Chow Sales PowerhousePC Australia www.powerhousepc.com.au

Unit B4 27-29 Fariola Street Silverwater NSW 2128 Australia

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Tel: 61-02-9648 6268 Fax: 61-02-9648 6269

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