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Antec HCG-620M 620W ATX12V Modular SINGLE-RAIL 48A 80PLUS Bronze 135mm Fan Active PFC Power Supply

*Antec 5 Year Warranty
Antec HCG-620M 620W ATX12V Modular SINGLE-RAIL 48A 80PLUS Bronze 135mm Fan Active PFC Power Supply - 1
Actual product may not be exactly as shown.
Antec HCG-620M 620W ATX12V Modular SINGLE-RAIL 48A 80PLUS Bronze 135mm Fan Active PFC Power Supply - 67325_l.jpg Antec HCG-620M 620W ATX12V Modular SINGLE-RAIL 48A 80PLUS Bronze 135mm Fan Active PFC Power Supply - 67325_1.jpg Antec HCG-620M 620W ATX12V Modular SINGLE-RAIL 48A 80PLUS Bronze 135mm Fan Active PFC Power Supply - 67325_2.jpg Antec HCG-620M 620W ATX12V Modular SINGLE-RAIL 48A 80PLUS Bronze 135mm Fan Active PFC Power Supply - 67325_3.jpg Customer Photos (0)
Reg. Price: $149.99  CAD
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   Shipping Weight:   6.2 lbs
   Part #: HCG-620M

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-620M 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 620 W
Limited Warranty 5 Year
Output Voltage 3.3 V DC @ 24 A 5 V DC @ 24 A 12 V DC @ 48 A -12 V DC @ 800 mA 5 V DC @ 2.50 A
Weight (Approximate) 4.19 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-620M
     Manufacturer Website Address:
     Product Model: HCG-620M
     Product Name: HCG-620M 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
6 x Serial ATA
6 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): 1.90 kg
     Width: 5.9" (149.9 mm)
Power Description  
     Input Current: 9 A @ 110V
4.50 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: 620 W
     Output Voltage: 3.3 V DC @ 24 A
5 V DC @ 24 A
12 V DC @ 48 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-620M 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-620M reviews.
Experience: 3 Years
great ps
great little ps, does the job well but a bit pricey.

Experience: 1 Weeks
 Verified Owner
Quiet, Antec quality, modular
Modularity is hype.
Bought this PS to replace the failed Antec Earth Watts 620W from my Sonata IV case. Very quiet. I hope it will be more reliable than the one it replaces. Still, I'm confident in Antec's quality, this was the first Antec PS to fail on me.
Used all but one of the provided cables. Should I add another HDD, I will need to use the last cable. So modularity in this case wasn't necessary.

This review was modfied by poster @ 08-23-15 11:35 AM

Experience: 8 Months
Good modular design.
Cables are nice and flexible, but not fragile.
Fairly quiet compared to my last one.
If used in a larger case, could use a few more cables (but its fine for my ITX build.
Antec has been a go to in power supplies with me for over 10 years. Always provides constant clean power, no unexpected sudden spikes or drops in voltages. Runs everything I need at a good db level.

Experience: 18 Months
Powerful, will deliver more than rated watts.
Feels solidly built.
Working fine for a year and a half.
Stiff cables.
Not many connectors, I needed some adapters to run my videocards and harddrives.
I run 2 overclocked 7970s off of this power supply.
Under load I pull 750w from the wall, this PSU runs flawlessly.
I have seen power draw peak at 820w with no side effects, but it will shut off after more then a few minutes at that load.
Under extreme load, this PSU is loud, but if you are not overloading it, it runs fairly quietly.

Experience: 1 Years
-working great after a year
-seasonic build quality
none really
Great unit from antec and seasonic. semi-modular design helps with cables

Experience: 3 Months
 Verified Owner
80+ bronze
Quality parts used
5 yr warranty
None thus far.
It's quiet and efficient and provides me with more than enough power for my gaming rig. The modular design makes cable management a breeze, VERY happy with this so far. 5 year warranty!

Experience: 2 Years
Silent and flexible
This PSU very quiet and I like the flexibility of the semi modular cables. Very high quality and hadn't had a problem yet.

Experience: 3 Months
 Verified Owner
Great p/s ! Also comes with a 5 years warranty

Experience: 3 Days
Silent, powerful, modular
This thing is a silent beast. I came from a Corsair TX750w that broke, and decided to go with this modular psu and I'm loving it. This thing is so quiet I can barely notice it's on. There were reviews saying the SATA power cables break easily. Try using ahairdryer to warm up the cords before you install. That did the trick for me.

Experience: 3 Days
 Verified Owner
Modular and it surprisingly came with a power plug.
None so far. Will update  eventually if anything goes wrong.
I'm surprised that this actually came with a power plug unlike the Antec power supplies that I've used in the past, so I ended up wasting $6 buying a power plug because I did not expect this.

 NCIX Forum Messages

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Messages about Antec HCG-620M 620W ATX12V Modular SINGLE-RAIL 48A 80PLUS Bronze 135mm Fan Active PFC Power Supply

mATX (Jan_M- Feb 04, 14, 3 Replies) Read this message
CAN'T FIND PCI POWER CABLES FOR HCG-620M (Michel_B- May 16, 13, 7 Replies) Read this message
Enough for GeForce GTX 670 2GB? (FunnymANisCanadian- Aug 05, 12, 4 Replies) Read this message
This or Antec Earthwatts EA-650? (Garry_K- Jun 20, 12, 2 Replies) Read this message

Post a New Message  |    All Messages       Browse NCIX Forums

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.

Comment: The HCG-620M is a rather high-efficiency PSU with stable voltages and handy modular cables
Posted by: Martin_G @02/21/13
Posted by: Martin_G @02/21/13
Comment: It's a high quality modular power supply (OEM is Seasonic) with an 80Plus Bronze certification, very good rail stability (even at overload), and low noise levels.
Posted by: Babaghan @04/29/12
Comment: Apparently you can't go wrong with a combination like Antec/Seasonic and the HCG-620M is the solid proof of it, since it performed quite well at all tests I conducted during this review.
Posted by: Wasabi @03/22/12
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. 

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

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