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Item#: 9SIV00Y1XS6919
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Antec NeoECO C NEO ECO 520C 520W ATX12V 80 PLUS Certified Active PFC Power Supply

Item #: 9SIV00Y1XS6919  |  Mfr. Part #: NEO ECO 520C  |  UNSPSC: 39121004
$79.95 Save: $18.79 (24%)
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pcRUSH 5 out of 5 stars

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    5 out of 5 eggs
    Inaudible - I cannot hear this thing above my Freezer 7 Rev 2 even with the CPU cooler at it's lowest idle speed. Heavy - means high quality Single 40amp rail - means it has plenty of juice to feed your power hungry components and handle OCing them. 120mm Fan - Better airflow, and virtually silent. Though I have not tested this thing at full load, I have no worries. Sleeved cables - adds a super nice touch
    — Gary B. 1/20/2010

    PSU buyer

    5 out of 5 eggs
    Got combo discount with case. Mesh sleeves on all cables. Quiet. It just works.
    — Adam M. 12/9/2009

    Quick Info


    • Limited Warranty period (parts): 3 years
    • Limited Warranty period (labor): 3 years

    The NEO ECO 520C power supply combines the most desired features in PC power supplies with unprecedented efficiency in design. The Antec NEO ECO 520C power supply power supply features 80 PLUS certification, saving energy and your money. It also generates less heat, and enhances cooling with a super-silent 120mm fan. The Active PFC circuitry further reduces impact on the power infrastructure resulting in cooler, quieter, and more environmentally friendly power.

    The Antec NEO ECO 520C power supply’s Universal Input capability together with ATX12V and EPS12V compliance enables you to use it in a variety of situations, and almost everywhere, without worrying about input voltages. Dedicated power circuitry, industrial grade protection circuitry, and Active PFC deliver safe, reliable output.

    The presence of one Main connector (20 + 4 pin), one 12V rail (4+4-pin), six Molex, six SATA, one Floppy, and two PCI-E (one 6-pin and one 6+2-pin) connectors are more than enough for all your components. The single +12V output circuits provide maximum stable power for the CPU independently of the other peripherals. Bring new power to your system with this remarkable supply!


    Learn more about the Antec NEO ECO 520C


    NEO ECO 520C
    NeoECO C


    Maximum Power
    120 mm DBB Silence - Whisper-quiet high-quality double ball bearing fan with long lifetime
    Main Connector
    +12V Rails
    PCI-Express Connector
    1 x 6-Pin, 1 x 6+2-Pin
    SATA Power Connector
    Up to 87%
    80 PLUS Certified
    Over Voltage Protection
    Input Voltage
    100 - 240 V
    Input Frequency Range
    50/60 Hz
    +3.3V@24A, +5V@24A, +12V@40A, -12V@0.8A, +5VSB@2.5A
    UL, cUL, FCC, TUV, CE, CB, CCC, C-Tick, BSMI, Gost-R
    3.4" (H) x 5.9" (W) x 5.5" (D)
    4.5 lbs / 2.0 kg


    1 x 24(20+4)-pin
    1 x 8(4+4)-pin ATX12V/EPS12V
    1 x 8(6+2)-pin PCI-E
    6-pin PCI-E
    6 x SATA
    6 x Molex
    1x Floppy
    Thermal Manager - An advanced low voltage fan control for optimal heat & noise management

    Multi PCI-E - 2 PCI-E connectors for multiple GPU support

    CircuitShield - Full suite of industrial grade protections:
    Over Current Protection (OCP)
    Over Voltage Protection (OVP)
    Under Voltage Protection (UVP)
    Over Power Protection (OPP)
    Short Circuit Protection (SCP)

    Manufacturer Warranty

    3 years limited
    3 years limited

    Customer Reviews of the Antec NEO ECO 520C

    Do you own this product? WRITE A REVIEW

    4 out of 5 eggs Based on 240 Reviews

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    • Filter Results
    • (235)
    • (0)
    • (13)
    • (0)
    • Joshua G.
    • Verified Owner

    5 out of 5 eggs It's working

    Pros: Thing works, what more do you want. I never hear it, but how could I over my loud ash CPU cooler.

    Cons: It's not modular, but you knew that.

    Bottom Line: None really. I don't like how it vents to the bottom, but I just put it on a flat board since I have a carpeted floor.

    Did you find this review helpful? Yes No

    • Krystal S.
    • Verified Owner

    5 out of 5 eggs Strong

    Pros: Very dependable and strong.

    Cons: nothing yet

    Did you find this review helpful? Yes No

    • Matthew Q.
    • Verified Owner

    5 out of 5 eggs 3 Years and still going

    Pros: Bought it when it was on sale (black friday week) because the ratings were pretty good. More than enough power for my mild gaming system (see other)

    Cons: The sleeving made it a little difficult to route cables in my Rosewill Challenger Case but it's all there and still working.

    Bottom Line: More than enough to power a
    Amd 720 3x BE OCed to 3.4ghz
    Asus Radeon 7870 slightly OCed
    Sabertooth 990fx mobo
    2x WD 500g HDs
    LG Dvd RW drive
    2x gskill 4gb sniper series
    4 Case fans/Hyper212 fan.

    Did you find this review helpful? Yes No

    • Evan A.
    • Verified Owner

    5 out of 5 eggs Efficient Power

    Pros: Not gold-certified, but definitely not bad.

    Cons: None.

    Bottom Line: At current price of $90 is overprice, but I got for les than half this with a sale and rebate ... which was honored. At that price it's a steal. I trust Antec power supplies.

    Did you find this review helpful? Yes No

    • Denis R.
    • Verified Owner

    5 out of 5 eggs Still going and going!!!

    Pros: What can I say, It works, I leave my computer open for most part of the day, sleep mode...

    On weekends it's opened all day long... no problem since day one!

    Cons: None so far because it still works after two years!!!

    Did you find this review helpful? Yes No

    • Errol G.
    • Verified Owner

    1 out of 5 eggs Died A Quiet Death (Followup)

    Pros: None!

    Cons: Antec responded to my review and I was advised (as you can read) to call their 800 number to speak to a representative. Forget about it! After holding on the phone for more than an hour (I was held at number 3 "queue position) throughout the entire waiting time. What is the point of having people call your customer support number when you WILL NOT or CAN NOT answer their calls? You need to remove the telephone number and send us directly to your website.

    Bottom Line: I usually am a very calm and easy-going person. But in Antec's case, I am absolutely furious! What in the heck happened to this once fine company? They need to clean up their act -- QUICKLY! Or, get out of the market.

    3 out of 4 people found this review helpful. Did you? Yes No

    • Helen M.
    • Verified Owner

    5 out of 5 eggs Reliable

    Pros: It's lasted a year without problems

    Cons: None

    Did you find this review helpful? Yes No

    • Bill O.
    • Verified Owner

    4 out of 5 eggs Good Power Supply

    Pros: 520 Watts
    Lot's of Connectors for its power output
    80 Plus Bronze
    It's lasted 10 months no problem

    Cons: Non-Modular (I knew that before I bought it though.

    Bottom Line: Great power supply for the price. Works well in my system that has, a Phenom II X4 @ 3.9 Ghz, MSI 970A-G43, Radeon HD7850 and 8GB 1333 Memory . Like I said in pro its been on almost all the time for 10 months with no problems.

    Did you find this review helpful? Yes No

    • Joseph O.
    • Verified Owner

    1 out of 5 eggs DOA

    Pros: Decent price if it works.

    Cons: Dead on arrival. Since I have to pay return shipping on the RMA, the end cost of this PSU to me will have increased by almost 25% (plus the aggravation of troubleshooting and being without a working computer for a couple of weeks).

    1 out of 2 people found this review helpful. Did you? Yes No

    • Logan B.
    • Verified Owner

    5 out of 5 eggs Solid PSU with great cable management

    Pros: - Braided cable tubes
    - Quiet
    - Low Heat

    Cons: None

    Bottom Line: I had this PSU for 2 years before I started doing major upgrades to my machine that required a PSU with heavier wattage. The braided cable tubes are a godsend. My next PSU only had zip ties to bind the cables and I swore I'd never get another PSU that didn't use braided tubes.

    Great buy and performed like a champ for me.

    Did you find this review helpful? Yes No

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    Item#: 9SIV00Y1XS6919