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SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell ReadySeaSonic SS-750KM3 750W ATX12V V2.3/EPS 12V V2.91 SLI Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready SeaSonic X Series X-850 (SS-850KM3 Active PFC F3) 850W ATX12V v2.3 / EPS 12V v2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready SeaSonic X-1250 1250W ATX12V / EPS12V SLI Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready SeaSonic X-SERIES X-1050 1050W ATX12V / EPS12V SLI Certified CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready
Learn more about the SeaSonic USA X650 Gold ((SS-650KM Active PFC F3))
Quick Info
WarrantyBeyond any applicable Newegg return policy, this item is warranted independently by the product's Manufacturer or a Third party. Below is a summary provided for convenience only and may not be accurate or current.
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This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready
Pros: It worked well while it lasted.
Cons: One day outside of the return window and the capacitors pop with smoke emerging from the back of the unit after attempting to wake the computer from sleep. I have ordered a different supply to see if any of the other components survived. With the price of this unit, this is a fairly unacceptable way for it to fail so soon. After going through the reviews for the x650, it would seem a few others have experienced this problem as well.
Other Thoughts: Instead of all of this fancy packaging, can I have sleeved cables instead?
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southbound37
10/4/2014 9:46:30 PM
Tech Level: 4/5
Ownership: 4/5
Verified Owner
Rating: 5/5Good so far
This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready
Pros: Completely modular and so quiet running with the side off I don't hear it running at all with the fans on a load,switch it to hybrid mode and the fans don't even come on.Very pleased with this buy and the rebate just makes it better.Newegg got it to my house in record time as usual. I'm also glad to see the cables for a floppy drive because, well I still have a few lol
Cons: None
Other Thoughts: This is the first power supply I have bought since 2008 and it replaced a 950wt CoolMax that has ran my gaming rig that is still got a original Foxconn Destroyer mobo, 8 gigs of Gskill DDR2 1066, 1 Evga GTX+ 7900 and a dual core unlocked AMD 555 @ 3.9 with a Raptor 10,000 rpm all original. The only reason I've had to buy a ps is someone thought they would vandalize it and they evan broke the on and off button on the AOC monitor.But after putting in the new ps everything is stroking like it has since 2008 and it's a nice feeling, oh yeah✌
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Don
9/20/2014 2:27:54 PM
Tech Level: 5/5
Ownership: 5/5
Verified Owner
Rating: 1/5Failed Seasonic Power Supply
This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready
Pros: well packaged and quiet until it prematurely failed
Cons: Seasonic X650 Gold failed after 3 years. The power supply would shut down immediately after power up. I sent the unit in for warranty repair. The returned unit made so much noise it is unusable.
Other Thoughts: Seasonic does not have customer friendly support. The support email address on the Seasonic web site is incorrect. You must request an RMA and mail the unit in (at your expense) to receive warranty support. Since I've sent the unit in once before, sending it back a second time is a gamble. The Seasonic warranty has minimal value.
Manufacturer Response:
Hi Clair, Sorry for the inconvenience of the RMA process & the failure of the power supply. Please note, we do try to produce products of the highest quality and when failures occur, we try our best to rectify the issue. As for the RMA procedure, it is our standard procedure that the freight is paid by the sender. I am sorry about the replacement unit being noisy. All replacement units are well tested before sending so please let me know your RMA number and we will investigate this matter. And as for the contact e-mail address, please let me know to which address did you send the informtion as I have checked, all addresses are correct. On Seasonic USA site, there is a direct RMA link to use for RMA processing. Please e-mail the information to: newegg@seasonicus.com Thank You.
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N/A
9/5/2014 1:48:29 PM
Tech Level: 2/5
Ownership: 2/5
Verified Owner
Rating: 5/5
This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready
Pros: Amazing! the PSU is super quiet and the packaging that it comes with is phenomenal.
Cons: none
Other Thoughts: I bought the corsair cx500 before buying this one. Hands down, this one is a lot better (Also, twice as expensive, but definitely worth it).
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Chris
9/4/2014 10:20:04 PM
Tech Level: 5/5
Ownership: 1/5
Verified Owner
Rating: 4/5A step back from earlier X650 revisions...
This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready
Pros: Still as quiet as ever. Fan doesn't spin in hybrid mode even running a Prime95 torture test on an i7-2600k, AMD 6870, 4 HDD, 2 SSD system. That means it's completely silent!
Cons: I bought a previous revision of the X650 in 2011 that had better cables. The previous ones were all sleeved, and the wires were color coded to indicate load wire, ground wire, etc. None of the new cables are sleeved (except for the motherboard) and seem to be cheaper quality. They are all nondescript flat unsleeved cables. Cons: --Completely black so you can't see which wires do what (in case you needed to work on them).
--The flat cables are harder to tie down (this tends to fold them over).
1 out of 1 people found this review helpful.
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N/A
8/16/2014 3:23:08 PM
Tech Level: 5/5
Ownership: 5/5
Verified Owner
Rating: 3/5Started failing after 2 years.
This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready
Cons: Coil whine since day 1, very annoying. (Seems almost all Seasonic/Corsair PSUs do this) Started failing and restarting my computer without warning after 2 years. Costly for nothing since I bought it to be silent (has coil whine) and NOT fail. Ho well.
Manufacturer Response:
Hi Dominique, Sorry to read of your issue. Please note, for coil whine, it is often the combination of the MB and or VGA with the PSU and often times, enabling ERP/energy savings modes in the BIOS or disabling VSync in the VGA will resolve the coil whine issue. As for the re-start issue, please kindly visit www.seasonicusa.com and start a RMA and we will process it as soon as possible for you. If you have any quesitons or concerns, please contact us at: newegg@seasonicus.com Thank you.
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N/A
8/8/2014 11:29:23 AM
Tech Level: 4/5
Ownership: 4/5
Verified Owner
Rating: 1/5Fail after three month usage
This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready
Pros: Come with enough cables for extra hardware. It is very quite.
Cons: After I use it for about three month, the PSU starts to shutoff randomly without any warning. After shutoff, it will reboot itself, but sometimes it fails to reboot and then keep rebooting itself. I switched memory and monitored my CPU and Video card temperature, and they are fine. I finally switched back to my old 450W PSU. Everything is going smooth so far.
Manufacturer Response:
Hi Boyang, Sorry for the issue with the power supply. As I understand, you have already contacted Sea Sonic USA for RMA support. I hope they will resolve your issues as soon as possible and if you have any questions, please contact us at newegg@seasonicus.com Thank you.
1 out of 1 people found this review helpful.
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N/A
8/5/2014 10:59:30 AM
Tech Level: 5/5
Ownership: 4/5
Verified Owner
Rating: 5/5Reliable
This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready
Pros: This power supply is one of the best. Look at the professional reviews online. It has very low ripple, and it able to maintain the full 650 watts at gold rated efficiency, even in very hot rooms. Its fully modular which makes it much easier to put together a system and properly rout cables around the case.
Many other companies use seasonic built power supplies and slap their name on them. They do this because Seasonic is known for being one of the best OEM's out there, with many power supply experts saying they are the number one company when it comes to reliability.
Cons: Platinum rated supplies are even better, but there is a significant price premium for those when they really only supply around 2-3 percent more efficiency in best case scenario.
Other Thoughts: Don't skimp on the power supply.
The most important thing in a system is the power supply. A bad one can fry ALL your components at once. Not only that, a well build power supply gives you system cleaner voltage that allows VRM components on motherboard and video card to last longer. It always worth it to spend the extra 50 dollars to get the well built supply.
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N/A
7/28/2014 6:33:26 AM
Tech Level: 5/5
Ownership: 5/5
Verified Owner
Rating: 5/5Excellent Product
This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready
Pros: I have had this power supply in a build that I did 2 years ago and it's still running well. This thing is definitely silent and stays cool, therefore the fan hardly runs and when it does you can barely tell. The modularity is awesome as well, with plenty of extra braided cables to boot. I am hoping to keep this thing into my next build and until it goes dead, as I don't feel any more power is needed for what I am going to do with it.
Cons: None that I have come across yet
Other Thoughts: I would recommend everyone check out some of the videos on Youtube about power supplies as you generally don't need as much power as you think. "JayzTwoCents" was getting only 350watts pulled from wall to tower with overclocked GPU, CPU, 12 fans and radiator. I'd recommend buying something with better efficiency in your range over just a ton of raw power.
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N/A
7/25/2014 12:21:40 PM
Tech Level: 3/5
Ownership: 4/5
Verified Owner
Rating: 4/5Solid PSU
This review is from: SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready
Pros: Fully modular, gold certified, quality product. Quiet fan. It has an extra "Hybrid mode" switch that only turns the fan on when needed instead of all of the time. Plenty of power for all but the hungriest computers.
Cons: Most of the cables don't give a satisfying "click" feel or sound when plugging them into the back of the PSU, so it's hard to tell if they are all the way in or not. The cables are also somewhat difficult to unplug from the motherboard if u need to. I wish they had more grip.
Other Thoughts: I bought two of these. One of them was perfect. The other one had a defective GPU port and/or cable that partially melted the cable inside of the port, but I replaced the cable with the extra cable included, and plugged it into an alternate GPU port, and it works great now.
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