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Antec BP550 Plus 550W ATX12V V2.3 Modular Power Supply

4.4 out of 5 stars 224 customer reviews
| 33 answered questions

List Price: $89.95
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550 Watts
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  • Output Power: 550 W
  • Efficiency: 82%
  • Form Factor: Internal
4 new from $65.99 2 used from $36.99 1 refurbished from $197.93

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$65.99 & FREE Shipping. Details In Stock. Sold by Clear&Honest and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

  • Antec BP550 Plus 550W ATX12V V2.3 Modular Power Supply
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  • Asus 24x DVD-RW Serial-ATA Internal OEM Optical Drive DRW-24B1ST (Black)
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  • WD Blue 1TB SATA 6 Gb/s 7200 RPM 64MB Cache 3.5 Inch Desktop Hard Drive (WD10EZEX)
Total price: $136.74
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Product Description

Size: 550 Watts

550 W - Internal - ATX12V & EPS12V Power Supply

Product Information

Size:550 Watts

Technical Details

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Summary : Screen Size, Screen Resolution, Graphics Coprocessor, Graphics Card RAM
National Stock Number 6130-01-597-0035
Brand Name Antec
Item model number BP550 Plus
Operating System N/A
Item Weight 5.9 pounds
Product Dimensions 6.1 x 5.9 x 3.4 inches
Item Dimensions L x W x H 6.1 x 5.9 x 3.4 inches

Technical Specification

Warranty [pdf ]

Additional Information

ASIN B0017KE3DM
Customer Reviews
4.4 out of 5 stars 224 customer reviews

4.4 out of 5 stars
Best Sellers Rank #741 in Electronics > Computers & Accessories > Computer Components > Power Supplies
Shipping Weight 5.7 pounds (View shipping rates and policies)
Date First Available July 7, 2004

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Product Warranty: For warranty information about this product, please click here [PDF ]

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Customer Reviews

Top Customer Reviews

By John L. Guest on December 3, 2009
Size: 550 Watts
Bought this unit at another egg-cellent California seller. Was on sale with a $20 rebate form included for a net cost including shipping of about $35. I've only had it a couple of weeks so far, but will sum up my impressions
I bought it to replace an Antec SmartPower 450 which came in the Antec Sonata case I used to build the PC in Apr '04.. It's been running 24/7 for 5.5 years.

Strong Points
* Adequate to power any pc/ video card combo as long as you don't have 2 video cards
* Has modular wiring.. I personally don't particularly care for this, but will admit it's convenient
* High efficiency and rated at 550w continuous output with very good current ratings as well
* 3 Yr parts/labor warranty
* good overvoltage/overcurrent protection so if it fails it doesn't cook your mobo on the way out.. ;)
* Plenty of plug options including multiple SATA, old 4pin molex, and old floppy type.. had at least 3 options for PCIe
* Cables are sheathed
* Very quiet.. softer than even the stock cpu cooler fan. (and this is in an Antec Sonata case which is very quiet anyway)

My criticizms are very minor..
* The cables are a bit stiff at the ends where the plug is located. This makes it hard if you have to turn it at the connect, say for a sata drive facing the side
* Had to fool with a rebate instead of just cheaper price :)

Any unit can have early failures, but this is rated at >100,000 hours mtbf which is excellent. Antec has always been a company I've had pleasant experiences with.

(edit: Update 8/11: The unit is still working fine. As it turns out it is in a somewhat dusty environment. It has shown no problems of any type, nor does it overheat.
Read more ›
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Size: 550 Watts Verified Purchase
Let's get something straight right off: this power supply is NOT noisy.

I just built a machine for my brother using this power-supply, and when I saw all the reviews saying it was noisy, I thought "what are they talking about???" So to be fair, I turned around to turn on my brother's machine (it's sitting on the desktop right behind my head as I type this), because I wanted to hear it run, and objectively re-evaluate whether or not it seemed noisy at all:

Only when I went to power it up it was already on. I just couldn't hear it. And that's NOT what I expected to be telling you at this point! So whatever issues other people have with this thing being noisy, I really can't understand. Maybe they're overclocking and their CPU fan is going nuts or something. Makes no sense at all to me otherwise.

Moving right along: The power supply is not entirely modular, as noted in some other reviews, but the non-modular cables are required for your motherboard anyway. If I had one gripe about this supply, it's that the cables that are provided did not have enough cable between successive connectors to enable me to get everything in my rig powered up with only one of them, something that would have been theoretically possible had they been a little longer runs--but I can't say that other power supplies are any different in that regard, and I was able to easily finish by simply using another cable.

Beyond that, I can't say enough about this power supply. It's quiet as can be (literally inaudible in the machine right behind me, I'm still shaking my head about that one), it provides up to 550W (which works nicely with Core i3/i5/i7 processors which recommend at least 450W, by the way), and it has wide selection of extra modular cables to power about anything you could possibly want to put inside your case. As a bonus it's VERY competitively priced and Antec has a great reputation with power supplies. In short, I highly recommend this thing.
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Size: 500 Watts Verified Purchase
I bought this to upgrade the 300 watt power supply in my Dell Inspiration 530, and this for the sake of adding a new video card (no luck yet). It would be nice if the seller told us how many and and the type of power leads that come attached and the number of rails (I assume 1 if more are not listed). My Dell has a 24 pin motherboard power supply recepticle. I have 2 hard drives and 2 opticals (Ok, I don't need 2 opticals). The hard drives and the opticals all require SATA power connectors. This Antec power unit comes with 2 SATA power supply connectors only. And it has a 20 pin mother board connector so you will have to plug in the 4 pin connector to fill all 24 on the MB if you have a 24 pin mobo recepticle). There are otherwise plenty of the older style connectors-maybe too many. I can hopefully use this in an older machine where the ps just died (overkill when replacing a 250w ps), but be forewarned, it comes w/ only 2 SATA connectors and a 20 pin motherboard connector. You could add an adapter ([...]), but my Dell PS unit came w/ 4 SATA plugs. Stuck at installation, I'm not able to give a more thorough evaluation.

Later,
Everything is installed and SATA adapters have been added to the older plugs. But this power supply fan is noisy. The power supply that came w/ my Dell was dead silent (yes fan works). So I'll be looking for a quiter power supply.

Good luck.
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Size: 500 Watts
got this for a super great price.
its an antec basiq so its got only 1 fan, but the cables are long enough to reach all the components in the pc.
only con is that the one fan is significantly noisy, so in a quiet surrounding you can clearly hear it.
good thing is that it does the job well. thats what counts for me.
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