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Item#: N82E16817371016

Antec BP550 Plus 550W Continuous Power ATX12V V2.2 80 PLUS Certified Modular Active PFC Power Supply - Intel Haswell Fully Compatible

  • ATX12V V2.2
  • Modular
  • 80 PLUS Certified
  • 100 - 240 V 47 - 63 Hz
  • +3.3V@28A, +5V@26A, +12V1@22A, +12V2@22A, +12V3@25A, -12V@0.5A, +5VSB@2.5A

This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Quality Power. Incredible Value.

The ideal choice in high-quality value-priced power supplies, now with advanced cable management! The Basic 550 Plus is the perfect power supply for the entry-level user, providing stable power, quiet cooling, and advanced cable management for improved airflow and ease-of-use.

icon for 80plusicon for Intel Haswellicon for aq3icon for rohs


  • 80 PLUS® Certified: Reduces operating costs and protects the environment
  • Advanced Cable Management for improved airflow and ease of use
  • ATX12V Version 2.2
  • Low Noise 120mm Cooling Fan
  • Industrial Grade Protection: OVP (Over Voltage Protection), SCP (Short Circuit Protection), and OCP (Over Current Protection)
  • Universal Input with Active PFC
  • SATA Connectors for Serial ATA drive
  • MTBF: 100,000 hours
  • Safety Approval: UL, CE, TüV, CB, FCC, CCC, C-TICK
  • Backed by a 3-year parts and labour warranty
  • Unit Dimensions (H x W x D): 3.4 x 5.9 x 6.1 inches (8.6 x 15 x 15.5cm)
  • Net Weight: 4.4lbs (2.0kg)


Output Voltage Range Max. Reg. OCP Set Point Ripple & Noise
+5V 26.0A ±5% 36A 50
+12V1 22.0A ±5% 36A 120
+12V2 22.0A ±5% 36A 120
+12V3 25.0A ±5% 36A 120
-12V 0.5A ±10% 120
+5V5B 2.5A ±5% 50
+3.3V 28.0A ±5% 36A 50


1 x 20+4 Pin

1 x 20 + 4-Pin

1 x 6+2 PCI-E

1 x 6 + 2-PCI-E

1 x 6 Pin PCI-E

1 x 6-Pin PCI-E

6 x SATA

6 x SATA

6 x Molex

6 x Molex

1 x Floppy

1 x Aux.

1 x 4+4 Pin ATX/EPS

1 x 4 + 4-Pin ATX / EPS

a view of all the connectors on the power supply

What's in the Box

what's in the box

Learn more about the Antec BP550 Plus

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Customer Reviews of the Antec BP550 Plus

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  • Michael J.
  • 7/8/2015 11:06:01 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsQuiet, basic upgrade for gaming video card

Pros: I have purchased a few of these power supplies over the years to replace the standard 300 or 350 watt power supplies that often come with prebuilt computers that use only the onboard video. Because I am into gaming, I need a stronger power supply to support the addition of a video card. I also add a second hard drive to the computers that I build to use as a backup drive. This power supply has easily handled the extra hard drive and video card (gaming cards such as GeForce ti 550's) and remains very quiet.

Cons: This is a basic looking power supply... I don't mind that. but, if you want one that looks "cool" or "hot" or whatever with glowing lights and such... this one is not snazzy like that. I'm not into what my computer looks like, but some people are. I will say, though, that I do like the LED's that you see on some power supplies so that I can tell that the computer is on, as this one is very quiet.

Other Thoughts: I hate noisy power supplies. This one is very quiet.

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  • Francois R.
  • 6/20/2015 8:04:24 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsAmazing

Pros: Good psu for the price.
It is fairly silent, does the job great.

Always a fan of Antec

Cons: None

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  • Michael M.
  • 6/14/2015 7:55:27 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsBP550 Plus

Pros: Second unit i have owned, First one still works after 2.5 years. Second one is just installed 36 hours ago and it works too. 444 watts on the 12v rail. The PCIE 6 pin and 6+2 pin both draw from Rail 3 with 25 amps.
Powers a Core i5 760 @ 3.9Ghz = aprox. 125 watts Max load.
Powers a EVGA 970 GTX SSC @ 1500/ 7800= aprox 250.

Those numbers are at Full LOAD, meaning Forced Load. Meaning you wont hit that load ever gaming.

Its semi modular, the 24 pin is hard wired to the PSU, the 4+4 CPU pin is hard wired, as well as the 6+2 pin. You will need them anyways so that makes sense. The rest are modular, the 6 pin, Sata, and molex.

No chirp or whine on either unit, Fan is quiet, big and works. Cables are plenty long enough for a Antec 902 case.

Cons: Documentation is lacking on specific details about rail assignments. Cables are a bit stiff, but just a bit.

Emailed Antec, they confirmed- Both the 6 pin and 6+2 pin PCIE power cables draw from Rail 3 at 25 amps. U can run a 970 on this PSU.

Other Thoughts: Price is decent for what it does. Hard to find reviews on it. Got the first unit at a Staples when my Kingwin 1400 watts died after 3 years. Staples was the only local shop selling PSU. First unit worked for 2.5 years no problems. Still works.

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  • Asiel S.
  • 6/5/2015 3:24:27 PM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGreat and Durable Product

Pros: I have had this power supply for over 4 years without problems. I am now building a new pc and plan to keep the power supply. Will highly recommend.

Cons: none

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  • Justin K.
  • 5/11/2015 10:44:15 AM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs5 years strong

Pros: I've been running this PSU for five years now with no issues whatsoever. Highly recommended.

Cons: n/a

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  • Bryan S.
  • 4/21/2015 9:34:20 AM
  • Tech Level: High
  • Ownership: more than 1 year

3 out of 5 eggsAntec slipping

Pros: Antec is my favorite PS company, but buying the 500W continuous power worked stable for a long time before failure.

Cons: The longevity is not there anymore, the powersupply began squealing at a high pitch, it was outside of 3 year warranty to so no support

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  • SOREN S.
  • 4/18/2015 4:02:09 PM
  • Tech Level: High
  • Ownership: more than 1 year

5 out of 5 eggsGreat Power Supply

Pros: The partially modular design allows me to keep my cases cleaner by not including cables I don't need.

Cons: It would be nice to have the option to purchase this in black instead of silver.

Other Thoughts: In my business, I have purchased dozens of power supplies from Antec. I have never been disappointed with them.

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  • Christopher B.
  • 4/14/2015 12:01:27 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsSolid basic power supply

Pros: Good price, quiet, steady power delivery

Cons: None so far

Other Thoughts: Bought one of these to replace a PSU in one of my older systems. It's quiet and supplies reliable power.

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  • Terry R.
  • 3/28/2015 2:41:24 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggs

Pros: Got it on a good deal with a mail in rebate.

120mm fan keeps it cool.

Antec quality

Cons: It's grey instead of black.

Other Thoughts: I've bought Antec in the past and they've held up really well.

This is a good deal on a basic 550 watt psu with a 120 mm fan.

Modular, which is an added bonus.

80 plus certified is nice, saves you a little on your monthly electricity bill.

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  • scott r.
  • 3/21/2015 9:06:41 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsantec bp550 power supply

Pros: still working from 2010 now 2015

Cons: none

1 out of 1 people found this review helpful. Did you? Yes No

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