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OCZ StealthXStream 400w Silent SLI Ready ATX2 Power Supply - £32.99 + Quidco @ Novatech
OCZ StealthXStream 400w Silent SLI Ready ATX2 Power Supply - £32.99 + Quidco @ Novatech

OCZ StealthXStream 400w Silent SLI Ready ATX2 Power Supply - £32.99 + Quidco @ Novatech

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The new 400 Watt StealthXStream Power Supply offers a sufficient source of power for mainstream gaming PCs. The 400W edition features the same understated look as its predecessors with a sleek black case and unlit fan for the value-conscious consumer seeking effective, quiet performance. Ideal for gamers and system builders who prefer a straight-forward, value-mined PSU, the StealthXStream focuses on performance, quality, and quiet operation. The 400W configuration provides the necessary power for mainstream gaming systems and desktop computing setups, ensuring you won't pay extra for a higher wattage unit that a mainstream system does not require. Even at peak loads the 400W StealthXStream remains virtually silent and excludes flashy LEDs, ensuring the power supply is not seen or heard.


The StealthXStream is kept supremely cool with a large 140mm fan and features a standard ATX power supply form factor to accommodate virtually all computer towers. With a sustained output of 400W the StealthXStream is well-suited for and driving today's midrange systems. The rock solid StealthXStream is built to provide sufficient output to power entry level graphics platforms, including with a single PCI-Express connector and a 4-pin CPU auxiliary connector, all wrapped in a flexible mesh promoting a tidy environment inside the case. The OCZ StealthXStream provides Universal Input and Active PFC (Power Factor Correction) to effectively regulate input voltage across worldwide power grids and maintain an economical, yet stable supply of power. All OCZ StealthXStream power supplies come backed with an industry-leading three year OCZ PowerSwap Warranty for the ultimate peace of mind.


Features
- 400W Configuration
- OCZ PowerWhisper Technology
- Internal 140mm fan
- 80+ Certified for high efficiency
- 3 year warranty backed by OCZ's exclusive PowerSwap? Warranty replacement program. No more endless return-for-repair loops!
- 150 x 140 x 86mm (W x L x H)
- 80% @ 115V (Typical load)
- 83% @ 230V (Typical load)
- Overvoltage/Overcurrent/Short-Circuit protection
- Active PFC
- MTBF:100,000 hours
- 1 x 20+4-pin ATX
- 1 x 4-pin CPU
- 1 x 6+2-pin PCI-E
- 4 x SATA
- 6 x Peripheral
- 2 x Floppy

£1.99 delivery, or collect in store. Free delivery for orders over £50.
- Computerman

14 Comments

Looks good - voted hot! Particularly like the lack of LEDs

Bought one of these from ebuyer. Returned as it just isn't quiet!

have had this one also, is loud but great for the price

I have the 500w version and it was a bargain @ Play.com (was £35)

Not "stealth" but was very cheap and well made

I wouldn't recommend a 400w PSU for gaming, no way, I don't care how good the make is gaming PSU's these days need 500-550w minimum.

gunnapaul2;6402492

I wouldn't recommend a 400w PSU for gaming, no way, I don't care how good … I wouldn't recommend a 400w PSU for gaming, no way, I don't care how good the make is gaming PSU's these days need 500-550w minimum.



Pretty broad and sweeping statement tbh, anything other than the most high end hardware /sli/crossfire 400 watts will support fine.

Yep that is a broad statement to make. Unless your running SLI/Crossfire 2+ Hard Drives, and 5+ powerful fans i dont see the need for anything over 400W.

Im running 400W on a 8800GT and low efficiency AMD Dual core cpus. 400W is more than enough. Although saying that it should be a good PSU which delivers consistent power, you can get 600W cheap psu's which dont even deliver enough juice/consisten juice to be branded 400w.

gunnapaul2;6402492

I wouldn't recommend a 400w PSU for gaming, no way, I don't care how good … I wouldn't recommend a 400w PSU for gaming, no way, I don't care how good the make is gaming PSU's these days need 500-550w minimum.



I have to partially agree with you actually. This would be fine for a mid range gaming PC with ONE graphics card, but I personally wouln't go running SLI on a 400w power supply unit. I wouldn't want to run the high end graphics card on one of these either.

I would recommend this for single card setups but I wouldn't want to put high power graphics on the end of it, the likes of 4870x2 or GTX295.

Good price for a "better then any power supply that comes with a case" scenario though. Heat added

If you are a serious gamer, go for the 700w model instead (that's the one I have). Top quality item & great price for all 3 models though (400w / 600w / 700w).
Voted HOT! :thumbsup:

You wouldn't use this for an SLi system anyway, as it only has one graphics card power. This is a great PSU, though silent it is not, any sensibly specced PC should run fine on a true 400w supply.

CPUs use 45-150w (with 3ghz Core 2 Quad using 95w, Athlon 64 X2 5600 using 65w or a Phenom x4 9750 using 95w). These are the top end of what most gamers would be using, 80w is a fair guess for most, 100w gives a good margin

Graphics cards have a higher variance, but a 'gaming' card will consume about 200-400w at peak GeForce 8800GT is 220w; GeForce GTX 275 is 250w; Radeon 3870 is 250w; Radeon 4870 is 260w. These are the popular choices for high performance at good cost. 250w is a safe bet for most.

Each hard drive/DVD needs approx 10-20w, 1 DVD & 1 HD = 30w on average, or 50w roughly for 2 HDs and a DVD.

Theres your 400w for a high specced gaming PC, though I've gone for high margin power figures here, the power use would be less generally and especially as you will probably never have everything peaking at once.

yanmouldy;6401797

have had this one also, is loud but great for the price



So much for it being silent then.
I'd get it replaced.
Looks like it's faulty judging by the review on Novatech.

400w not enough for a gaming PC? Nonsense.

I have one of these in a rig running a 4850x2, an overclocked E5200 and 2 HDDs. Never comes close to taxing the PSU.

A word of warning though. As others have already stated, do not buy this if you want a quiet PSU. It's actually one of the louder PSUs that I'm running in various different machines.

Somebody tell me what what the current output is on the 12V rail please? Thanks.

Marekj;6410702

400w not enough for a gaming PC? Nonsense.I have one of these in a rig … 400w not enough for a gaming PC? Nonsense.I have one of these in a rig running a 4850x2, an overclocked E5200 and 2 HDDs. Never comes close to taxing the PSU.



Agreed, I have a Core i7 940, 8GB ram, 4850, two hard drives, two optical drives, PCI-E wireless card, PCI-E soundcard and card reader running without issue on a 375W PSU.

John
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