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"I ordered this item on Feb. 2 at around 12pm EST and recieved it the next day at 2pm. Just wanted to tell yo..."
— Joseph
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Antec HCG-520M 520W ATX12V Modular SINGLE-RAIL 40A 80PLUS Bronze 135mm Fan Active PFC Power Supply

*Antec 5 Year Warranty
Antec HCG-520M 520W ATX12V Modular SINGLE-RAIL 40A 80PLUS Bronze 135mm Fan Active PFC Power Supply - 1
Actual product may not be exactly as shown.
Antec HCG-520M 520W ATX12V Modular SINGLE-RAIL 40A 80PLUS Bronze 135mm Fan Active PFC Power Supply - 67324_l.jpg Antec HCG-520M 520W ATX12V Modular SINGLE-RAIL 40A 80PLUS Bronze 135mm Fan Active PFC Power Supply - 67324_1.jpg Antec HCG-520M 520W ATX12V Modular SINGLE-RAIL 40A 80PLUS Bronze 135mm Fan Active PFC Power Supply - 67324_2.jpg Customer Photos (0)

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Reg. Price: $114.77  CAD
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   Shipping Weight:   5.8 lbs
   Part #: HCG-520M

Features    [ Edit | History ]

Antec's HCG M power supplies are the perfect combination of power and efficiency. The HCG M features special heavy-duty High Current connectors and cabling that supply extreme levels of power, and superb efficiency thanks to 80 PLUS Bronze certification and Active PFC. Highest-quality connectors, Japanese-brand capacitors, and a quiet 135 mm double ball bearing fan complete the package. The HCG-520M features High Current Cable Management and 10-pin modular connectors. If loads of power, High Current engineering and extreme efficiency are what you're after, the HCG M is the PSU for you.

Quick Specs:
Efficiency 87%
Input Voltage 110 V AC 220 V AC
Output Power 520 W
Limited Warranty 5 Year
Output Voltage 3.3 V DC @ 24 A 5 V DC @ 24 A 12 V DC @ 40 A -12 V DC @ 800 mA 5 V DC @ 2.50 A
Weight (Approximate) 4 lb
Form Factor Internal
Country of Origin China
Height 3.4"
Width 5.9"
Depth 6.3"
Number of Fans 1
Green Compliant Yes
Green Compliance Certificate/Authority 80 Plus Bronze RoHS ErP
Number of +12V Rails 1
Modular Yes

Specifications    [ Edit | History ]
General Information  
     Brand Name: Antec
     Manufacturer: Antec, Inc
     Manufacturer Part Number: HCG-520M
     Manufacturer Website Address:
     Product Model: HCG-520M
     Product Name: HCG-520M ATX12V & EPS12V Power Supply
     Product Series: HCG M
     Product Type: ATX12V & EPS12V Power Supply
     Plug/Connector: On/Off Switch
     Receptacles: 1 x 20+4pin ATX Motherboard
1 x 4+4pin ATX12V Motherboard
2 x 6+2pin PCI-E
5 x Serial ATA
4 x 4-pin LP4 Peripheral Device
1 x 4-pin SP4 Floppy Drive
     Country of Origin: China
     Green Compliance Certificate/Authority: 80 Plus Bronze
     Green Compliant: Yes
Physical Characteristics  
     Depth: 6.3" (160 mm)
     Form Factor: Internal
     Height: 3.4" (86.4 mm)
     Weight (Approximate): 1.81 kg
     Width: 5.9" (149.9 mm)
Power Description  
     Input Current: 8 A @ 110V
4 A @ 220V
     Input Voltage: 110 V AC
220 V AC
     Input Voltage Range: 100 V AC to 240 V AC
     Input Voltage Type: AC
     Number of +12V Rails: 1
     Output Power: 520 W
     Output Voltage: 3.3 V DC @ 24 A
5 V DC @ 24 A
12 V DC @ 40 A
-12 V DC @ 800 mA
5 V DC @ 2.50 A
     MTBF: 100000 Hour
Technical Information  
     Efficiency: 87%
     Modular: Yes
     Number of Fans: 1
     Power Factor Correction (PFC): Active
     Protection Type: Over Current
Over Voltage
Under Voltage
Short Circuit
Over Power
Inrush Current
     Limited Warranty: 5 Year

Antec HCG-520M Customer Reviews

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Antec HCG-520M reviews.
Experience: 1 Years
One of the best 520W PSU! Highly recommend it!

Experience: 2 Days
 Verified Owner
Simple PSU. Easy cable management.

Experience: 5 Months
Worth the money on sale.
Labels are upside down, Not fully modular
Good for its money, very quiet.

Experience: 1 Days
wattage and price
Great power supply would've hoped that it had a bigger amount of wattage capacity but other than that It's a great power supply. I got it on sale for 84.99$ so it was definitely an attractive buy.

Experience: 2 Months
 Verified Owner
-Got it at a great price
-Quality power supply made by Seasonic
-None at the moment
After price matching it and the mail in rebate($15) at the time, this came out to $55, before taxes and postage for the rebate.

Antec does not build their own power supply so it is important to determine who is the manufacturer for a particular model they offer. The link below is a good start in determining the manufacturer for various power supplies.,2913.html

Once the manufacturer has been determined, you need to read up on them and reviews of the product to determine the quality of their products.

I received my rebate in about 6 weeks, which was amazing, compared to MSI, which says it'll take 8-10 weeks(I'm still waiting for it!).

I haven't had the time to read up on overclocking but I am sure that 520W will be enough to overclock a 3570K, MSI Hawk 7870 and Patriot 4x4GB Ram.

Yi Xin_Y
Experience: 1 Days
 Verified Owner
Good design.
The HCG-520M is a very reliable power supply, as I have seen from my friend's builds. This PSU provides as much power as I need for my Asus Geforce GTX 660 ti, and 3570K.

Experience: 15 Days
 Verified Owner
Great build quality. Heavy!
None really... except it's heavy!
It's always comforting when you pick up a power supply and feel some heft! This one is heavy! Solid performance backed by Antec. Highly recommended... especially when it's on sale.

Experience: 6 Months
 Verified Owner
One 12V Rail
Label is upside down for most cases
Only two cables with 3 SATA connectors
SATA connectors are very fragile
I bought this for my gaming PC. It's ran a Phenom II B73 and GTX 280 with no problems for 6 months now very quietly.

Experience: 45 Days
 Verified Owner
Very quiet
Good quality unit
Not enough cables
Very quiet and love the modular design. Bought on sale at a great deal.

Experience: 2 Months
 Verified Owner
2 months in my system and running stable so far
Extremely quiet
Very little heat coming off back of fan
lots of spare cables
- 2 months later, no word on my rebate.
I'm using this in my new i7 build and it's been running great. very quiet and very little heat coming out of it.

Antec could be better with their rebates. I'm expecting a $20 rebate I mailed in almost 2 months ago and I haven't even received an email acknowledging that my form was sent in. My Gigabyte and MSI rebates had electronic tracking features and I already received the money back, meanwhile I have no idea what Antec is doing.

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Messages about Antec HCG-520M 520W ATX12V Modular SINGLE-RAIL 40A 80PLUS Bronze 135mm Fan Active PFC Power Supply

Additional connectors? (Bill_P- Sep 25, 12, 0 Replies) Read this message

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Forum messages are not reviewed and may not contain accurate information about a product. Message contents are opinions from customers based on their own experience with a product. We do not recommend you make puchasing decisions based on Forum messages.
Reviews from the Web

Below are reviews found on other web sites for this product submitted by customers.

Posted by: ck_hobbes @02/27/13
Posted by: ck_hobbes @02/27/13
Comment: "The Antec HCG-520 provides good performance and a great price; if the rated output meets your needs, we can't find any reason to pass on the HCG-520."
Posted by: Neil_H @04/15/12
Submit a review link   |   Latest 30 reviews
Product Warranty
First 30 days limited warranty through The remainder of the 3 year warranty is provided directly by the manufacturer.

All Antec computer cases carry a three (3) year warranty from Antec. 

Antec''s Global Online Customer Support

Antec Customer Support by Phone
1-800-222-6832 (800-22ANTEC)

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All pricing subject to change. For all prices, products and offers, reserves the right to make adjustments due to changing market conditions, product discontinuation, manufacturer price changes, errors in advertisements and other extenuating circumstances. Promotional offers from are subject to availability and are available only while supplies last. No rain checks will be issued on promotional items and offers.

While uses all reasonable efforts to include accurate and up-to-date information on the Site, makes no warranties or representations as to the Site's accuracy. assumes no liability or responsibility for any errors or omissions in the content on the Site. warrants product(s) to be in good working condition and free from defects in material and workmanship for a period of one (1) year for OEM packages, and for thirty (30) days for RETAIL packages, from the original Invoice date unless otherwise restricted below or by the manufacturer's own warranty policy. Defective returns and warranty service will be replaced, exchanged or repaired at's sole discretion, and based on vendor's policy.

NON-DEFECTIVE merchandise returns may be accepted on some items ONLY within 15 days of the Invoice date, at's discretion. All NON-DEFECTIVE returns are subject to a 15% restocking fee. No refunds will be issued for blank media, digital cameras (and accessories), opened software, printers, printer supplies, paper, projectors (and accessories), appliances, handhelds, PDAs, notebook computers, special order computers and special order items.

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