Q: I have a +12V and a -12V DC output on my current computer. Do I need 2 12V rails on my replacement power supply?

this one does actually have a +12V and a -12V but they are on the same rail witch is actually better. the +12V and -12V lines is a very standardized thing. Almost all power supplies have them

Q: Would this be compatible with a Dell Inspiron 520 with an AMD chip?

not sure. the length width and height may be the same, but the cutout in the case where the exhaust side of the PS mounts may not be the same. some factory PS's are shorter to make room for lengthy DVD-CD players on the top Bay. measure and compare. The dell E520 power cord mounts on the right side if you look at the back of the case. The Antec 620C will need to be flipped 180 degrees from what the picture shows, putting the power cord to the left instead.

Q: I bought this a while back and have stored it until I upgraded my system. I bought a mobo from newegg, etc and when I flip the power switch, the mobo light comes on but not the power supply fan. I never hear the power supply fan. Is it broken because nothing happens, nothing on the monitor, no power to the mobo processor fan, for example?

Power supply has two volt source +12V and +5V, board will lite up with just +5V, working, but needs +12v to boot.my last PC repair I thought I had bad Mobo,but no it was power supply sent +5v but not +12.would lite up but not post bios

Q: Does this work with Intel Core i5-4670K Haswell and EVGA SuperClocked GeForce GTX 760 ?

I don't see why not. It should work very well!

Q: Does each 8-pin connector supply 175W?

i didn't use mine yet i just got it for a spare in case i need it..... according to the manual there are:..... -two 8-pin (6+2) PCI-E (only for 620W)..... -one 8-pin (6+2) PCI-E + 6-pin PCI-E (only for 520W)..... i'm not sure what all that means, but there are a total of 19 connectors on 8 cables coming out of the box..... check ( /manuals ) on the antec site and it should list all the info you need

Q: Will this work with a 4670k?

It does not appear that Antec certifies this PSU for Haswell. You should probably consider a different model, one that explicitly states Haswell compatibility.

Q: Does it have 5 or 6 SATA connectors? Maybe an older version had 5 SATA, since a couple of reviews mentioned only 5 SATA. Thanks

It has 6 SATA, 6 Molex, 1 Floppy, 2 8-pin PCI-e, 8(4+4) pin ATX 12V and the 24 pin connector

Question 1

Will this PSU work with a MSi 780 ? :)

Accepted Answer

I'm surprised how wrong all this advice is. Everyone overbuilds their PSU. Ideally you want the PSU to work around 80% at load.

A 250-watt GPU, 88-watt i7 (mine overclocked to 4.6GHz has a 134-watt TDP according to CoreTemp) and a few HDD's/SSD's (5-10 watts each) are well within the power envelope of a quality 600-watt PSU.

When taking into account GPU's are just getting more efficient, it's a safe bet your next card will be less power demanding, making the need for a PSU with more than ~650-watts completely ridiculous for any single-GPU PC (unless you have more than one physical CPU or 20 hard drives...)

More importantly than load power is idle power. Remember, PSU's are incredibly inefficient below 10-15% load. If you get a 800-watt PSU and you're system idle is less than 80-watts (which is highly likely with an Intel CPU and a single GPU) then you're PSU's conversion efficiency is around 65-70%. This means it will use over 100-watts of electricity to run <80-watts of hardware.

Over the course of a year, 20 hours idle a day, that means, at 12 cents a kwh, you're wasting around $10/year in electricity AND you paid MORE for an unnecessarily bigger PSU.

Question 2

I have a +12V and a -12V DC output on my current computer.

Do I need 2 12V rails on my replacement power supply?

Accepted Answer

this one does actually have a +12V and a -12V but they are on the same rail witch is actually better. the +12V and -12V lines is a very standardized thing. Almost all power supplies have them

Question 3

Would this be compatible with a Dell Inspiron 520 with an AMD chip?

Accepted Answer

not sure. the length width and height may be the same, but the cutout in the case where the exhaust side of the PS mounts may not be the same.
some factory PS's are shorter to make room for lengthy DVD-CD players on the top Bay. measure and compare. The dell E520 power cord mounts on the right side if you look at the back of the case. The Antec 620C will need to be flipped 180 degrees from what the picture shows, putting the power cord to the left instead.

Question 4

I bought this a while back and have stored it until I upgraded my system. I bought a mobo from newegg, etc and when I flip the power switch, the mobo light comes on but not the power supply fan.

I never hear the power supply fan.
Is it broken because nothing happens, nothing on the monitor, no power to the mobo processor fan, for example?

Accepted Answer

Power supply has two volt source +12V and +5V, board will lite up with just +5V, working, but needs +12v to boot.my last PC repair I thought I had bad Mobo,but no it was power supply sent +5v but not +12.would lite up but not post bios

Question 5

Does this work with Intel Core i5-4670K Haswell and EVGA SuperClocked GeForce GTX 760 ?

Accepted Answer

I don't see why not.  It should work very well!

Question 6

Does each 8-pin connector supply 175W?

Accepted Answer

i didn't use mine yet i just got it for a spare in case i need it.....

according to the manual there are:.....

-two 8-pin (6+2) PCI-E (only for 620W).....

-one 8-pin (6+2) PCI-E + 6-pin PCI-E (only for 520W).....

i'm not sure what all that means, but there are a total of 19 connectors on 8 cables coming out of the box.....

check (  /manuals ) on the antec site and it should list all the info you need

Question 7

Will this work with a 4670k?

Accepted Answer

It does not appear that Antec certifies this PSU for Haswell. You should probably consider a different model, one that explicitly states Haswell compatibility.

Question 8

Does it have 5 or 6 SATA connectors? Maybe an older version had 5 SATA, since a couple of reviews mentioned only 5 SATA.
Thanks

Accepted Answer

It has 6 SATA, 6 Molex, 1 Floppy, 2 8-pin PCI-e, 8(4+4) pin ATX 12V and the 24 pin connector

+3.3V	+5V	+12V	-12V	+5Vsb
24A	24A	48A	0.8A	2.5A
130W		576W	9.6W	12.5W
620W
Input
Input Voltage		100VAC - 240VAC ~ ±10% (Active PFC)
Input frequency Range		50Hz - 60Hz, 9A - 4.5A

Brand	Antec
Series	NeoECO C
Model	NeoECO 620C

Type	ATX12V
Maximum Power	620 W
Fans	120 mm DBB Silence - Whisper-quiet high-quality double ball bearing fan with long lifetime
PFC	Active
Main Connector	20+4Pin
+12V Rails	Single
PCI-Express Connector	1 x 6-Pin, 1 x 6+2-Pin
SATA Power Connector	6
Haswell Support	Yes
Efficiency	Up to 87%
Energy-Efficient	80 PLUS BRONZE Certified
Over Voltage Protection	Yes
Input Voltage	100 - 240 V
Input Frequency Range	50/60 Hz
Output	+3.3V@24A, +5V@24A, +12V@48A, [email protected], [email protected]
MTBF	>100,000 Hours
Approvals	UL, cUL, FCC, TUV, CE, CB, CCC, C-Tick, BSMI, Gost-R
Connectors	1 x 24(20+4)-pin 1 x 8(4+4)-pin ATX12V/EPS12V 2 x 8(6+2)-pin PCI-E 6 x SATA 6 x Molex 1x Floppy

Dimensions	3.4"x 5.9" x 5.9"
Weight	4.00 lbs.

Antec NeoECO C NeoECO 620C 620W ATX12V 80 PLUS BRONZE Certified Active PFC Power Supply

Antec NeoECO C NeoECO 620C 620W ATX12V 80 PLUS Certified Active PFC Power Supply

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Item#: N82E16817371031