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Rosewill Tachyon 1000 W

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Rosewill recently introduced their flagship series named Tachyon, which lists four Platinum efficiency PSUs made by Super Flower. The Tachyon 1000 W is the strongest unit of the series and supports up to three high-end VGAs, thanks to its powerful +12V rail and to the six PCIe connectors it is equipped with.

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Question - why did you do tests at 1100W on page 5?
 
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overload tests. To check if the PSU handles well some extra load (110%).
I included this test after some demands..
 
Joined
Feb 18, 2005
Messages
5,771 (0.80/day)
Location
Ikenai borderline!
System Name Firelance.
Processor Threadripper 3960X
Motherboard ROG Strix TRX40-E Gaming
Cooling IceGem 360 + 6x Arctic Cooling P12
Memory 8x 16GB Patriot Viper DDR4-3200 CL16
Video Card(s) MSI GeForce RTX 4060 Ti Ventus 2X OC
Storage 2TB WD SN850X (boot), 4TB Crucial P3 (data)
Display(s) 3x AOC Q32E2N (32" 2560x1440 75Hz)
Case Enthoo Pro II Server Edition (Closed Panel) + 6 fans
Power Supply Fractal Design Ion+ 2 Platinum 760W
Mouse Logitech G602
Keyboard Razer Pro Type Ultra
Software Windows 10 Professional x64
overload tests. To check if the PSU handles well some extra load (110%).
I included this test after some demands..

I thought as much, just wasn't sure - you should've included that info in the review so people liek me don't get confused. :) Also I would've added a note about the build quality issue (fan control PCB) in the "negatives" in the summary.

Any idea why SuperFlower went with 10 IPP041N04Ns when 2 would've been able to comfortably handle this PSU's capacity? Perhaps this amount of overkill is one of the reasons for the exceptional +12V stability?
 

cdawall

where the hell are my stars
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Any news on when/if you are getting the 1600w model?
 
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I thought as much, just wasn't sure - you should've included that info in the review so people liek me don't get confused. :) Also I would've added a note about the build quality issue (fan control PCB) in the "negatives" in the summary.

Any idea why SuperFlower went with 10 IPP041N04Ns when 2 would've been able to comfortably handle this PSU's capacity? Perhaps this amount of overkill is one of the reasons for the exceptional +12V stability?

Because I didn't have a second sample in hand to check if the fan PCB issue is replicated or fixed, this is why I didn't added to the negatives. However I deducted some build quality points. And the thing is that with a little glue this problem would be easily solved.

More fets working in parallel mean less Amps passing by from them so less energy losses. This leads to efficiency increase. The +12V stability has more to do with the feedback circuit and the overall design of the secondary side rather than the number of rectifying fets.
 

cdawall

where the hell are my stars
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27,680 (4.14/day)
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Processor 2990WX
Motherboard Asrock X399M
Cooling CPU-XSPC RayStorm Neo, 2x240mm+360mm, D5PWM+140mL, GPU-2x360mm, 2xbyski, D4+D5+100mL
Memory 4x16GB G.Skill 3600
Video Card(s) (2) EVGA SC BLACK 1080Ti's
Storage 2x Samsung SM951 512GB, Samsung PM961 512GB
Display(s) Dell UP2414Q 3840X2160@60hz
Case Caselabs Mercury S5+pedestal
Audio Device(s) Fischer HA-02->Fischer FA-002W High edition/FA-003/Jubilate/FA-011 depending on my mood
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Mouse Thermaltake Theron, Steam controller
Keyboard Keychron K8
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I just hope they will send one because so far I don't have a confirmation on this :)
 
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