Will this PSU cover this Build?

[ForgottenAncient]

Hello folks,

I was wondering if this PSU :Sea Sonic S12II-620 Bronze (620 watt) would cover this build:

PSU: Sea Sonic S12II-620 Bronze (620 watt)
Screen: Iiyama ProLite XB2380HS
Case: NZXT Crafted Series Phantom 410
RAM: Kingston HyperX Beast 2x4GB
CPU: Intel Core i5 4670K / 3.4 GHz - 6 MB cache - LGA1150
MOBO: Gigabyte Z87X-D3H - Moederbord - ATX - LGA1150 Socket -
Z87 - USB 3.0 - Gigabit Ethernet - HD Audio
GPU: MSI GTX 770 Gaming 2 GDDR5
SSD: Samsung 840 EVO Basic - Solid state drive - 250 GB
HDD: WD BLUE 1TB
and 4 usb devices.

I am asking this question because i've been running the build without the HDD. and i wonder if my PSU could still handle it with the HDD inserted.


tnx everyone

 

[TechyInAZ]

Your build would only need a 500W PSU (minimum) so that 620W is more than fine. It's always good to have a overkill psu.

 

[Dark Lord of Tech]

That PSU isn't compatible with Haswell sleep states.

Corsair explains it here.

When an Intel Core (i3, i5, i7) processor is idle, it goes into a sleep state that requires less power than when the CPU is active. Since the motherboard voltage regulation modules that provide power to the CPU gets their power from the power supply's +12V rail, these sleep states can dramatically reduce the load on the power supply's +12V rail.

According to Intel's presentation at IDF, the new Haswell processors enter a sleep state called C7 that can drop processor power usage as low as 0.05A. Even if the sleeping CPU is the only load on the +12V rail, most power supplies can handle a load this low. The potential problem comes up when there is still a substantial load on the power supply's non-primary rails (the +3.3V and +5V). If the load on these non-primary rails are above a certain threshold (which varies by PSU), the +12V can go out of spec (voltages greater than +12.6V). If the +12V is out of spec when the motherboard comes out of the sleep state, the PSU's protection may prevent the PSU from running and will cause the power supply to "latch off". This will require the user to cycle the power on their power supply using the power switch on the back of the unit.

While we are still working with Intel on the details of the testing methodology they use to check PSUs for Haswell compatibility, it is already known that a power supply that uses DC to DC for the non-primary rails (the +3.3V and +5V) will not have an issue with the new low power sleep states. This is because a DC to DC buck converter is used to convert +12V to +3.3V and +5V. This means that no matter what load the CPU puts on the power supply, there will always be a load on the +12V because the +12V is required to provide power to +3.3V and +5V.

Corsair utilizes this DC to DC technology in most of their power supplies. Starting with the CX750 and CX750M and moving all of the way through the GS Series, TX and TX-M Series, the HX Series, both the AX Series Gold and AX Series Platinum, and the new AXi Series. So whatever your budget, if you choose Intel's new Haswell processor and wish to utilize the new, low power C7 sleep state, Corsair has a power supply for you.

 

[Dark Lord of Tech]

http://www.seasonic.com/new/twevent20130510.htm
Seasonic Haswell Compatibility List

 

[ForgottenAncient]

That PSU isn't compatible with Haswell sleep states.

Corsair explains it here.

When an Intel Core (i3, i5, i7) processor is idle, it goes into a sleep state that requires less power than when the CPU is active. Since the motherboard voltage regulation modules that provide power to the CPU gets their power from the power supply's +12V rail, these sleep states can dramatically reduce the load on the power supply's +12V rail.

According to Intel's presentation at IDF, the new Haswell processors enter a sleep state called C7 that can drop processor power usage as low as 0.05A. Even if the sleeping CPU is the only load on the +12V rail, most power supplies can handle a load this low. The potential problem comes up when there is still a substantial load on the power supply's non-primary rails (the +3.3V and +5V). If the load on these non-primary rails are above a certain threshold (which varies by PSU), the +12V can go out of spec (voltages greater than +12.6V). If the +12V is out of spec when the motherboard comes out of the sleep state, the PSU's protection may prevent the PSU from running and will cause the power supply to "latch off". This will require the user to cycle the power on their power supply using the power switch on the back of the unit.

While we are still working with Intel on the details of the testing methodology they use to check PSUs for Haswell compatibility, it is already known that a power supply that uses DC to DC for the non-primary rails (the +3.3V and +5V) will not have an issue with the new low power sleep states. This is because a DC to DC buck converter is used to convert +12V to +3.3V and +5V. This means that no matter what load the CPU puts on the power supply, there will always be a load on the +12V because the +12V is required to provide power to +3.3V and +5V.

Corsair utilizes this DC to DC technology in most of their power supplies. Starting with the CX750 and CX750M and moving all of the way through the GS Series, TX and TX-M Series, the HX Series, both the AX Series Gold and AX Series Platinum, and the new AXi Series. So whatever your budget, if you choose Intel's new Haswell processor and wish to utilize the new, low power C7 sleep state, Corsair has a power supply for you.

hey tnx for the indepth answer. The thing is I have been running the built without a 2nd hdd for over a year now. and never had problems. I now installed the new HDD, and when i booted my pc made weird noises, so i removed HDD again, and now it won't boot at all. fans not spinning/leds not burning etc. it would be weird that the psu has been working for over a year and now suddenly isn't compatible anymore right?