Which of these 2 power supplies would you buy?

PSUs: The source of DC power for all components in the PC & often a big noise source.

Moderators: NeilBlanchard, Ralf Hutter, sthayashi, Lawrence Lee, Devonavar

Post Reply
Strat
Posts: 4
Joined: Mon Nov 05, 2012 2:53 pm

Which of these 2 power supplies would you buy?

Post by Strat » Tue Nov 06, 2012 8:39 am

I'm looking to build the quietest system possible and am wondering which one of these 2 power supplies would be quieter.

- PC Power & Cooling MK III Silencer 1200
- Kingwin LZP-1000

The latter got reviewed by SPCR and got fantastic marks. I believe the former is also made by SuperFlower. However, I'm not sure if they both have the same fan, if they both feature the same fanless operation until the internal temp is at a certain level, etc.

Basically, a fanless power supply as often as possible would be best. Therefore, if one starts at 50 degrees and the other starts at 55, that's a big difference.

Thanks in advance, guys! :)

CA_Steve
Moderator
Posts: 7374
Joined: Thu Oct 06, 2005 4:36 am
Location: Monterey Bay, CA

Re: Which of these 2 power supplies would you buy?

Post by CA_Steve » Tue Nov 06, 2012 10:34 am

What's your system build?
1080p Gaming build: i5-4670K, Mugen 4, Asrock Z97 Anniversary, MSI GTX 1050 Ti Gaming, 8GB 1866 RAM, Samsung 860 Evo 500GB, Crucial MX100 256GB, WD Red 2TB, Samsung DVD burner, Fractal Define R4, Antec True Quiet 140 (2 front + rear) case fans, Seasonic SSR-550FX. 35W idle, 45-55W video streaming, 170-200W WoW, 318W stress test (Prime95 + Furmark)

Support SPCR through these links: Amazon and Newegg

Strat
Posts: 4
Joined: Mon Nov 05, 2012 2:53 pm

Re: Which of these 2 power supplies would you buy?

Post by Strat » Tue Nov 06, 2012 11:35 am

i7 3770K CPU
Noctua NH-C14 heatsink
90gb SSD from Corsair
2tb Seagate 7200 RPM HD
Sapphire fanless RADEON HD 6790
Kingston 16gb (4x4)
Gigabyte Z77X-U3DH

Just ordered the Kingwin LZP-1000.

Took too long to get any input and figured that I'll simply send it back if it's not my cup of tea. Was hoping to avoid forking over that much as it's the most expensive PSU I've ever bought, bar none! I'll let you know how it turns out. :)

Joe

pet
Posts: 34
Joined: Fri Jun 03, 2011 7:35 am

Re: Which of these 2 power supplies would you buy?

Post by pet » Tue Nov 06, 2012 12:22 pm

Strat wrote:i7 3770K CPU
Noctua NH-C14 heatsink
90gb SSD from Corsair
2tb Seagate 7200 RPM HD
Sapphire fanless RADEON HD 6790
Kingston 16gb (4x4)
Gigabyte Z77X-U3DH
A 400 W PSU should be more than enough for that setup, see http://www.bit-tech.net/hardware/graphi ... b-review/2 or http://www.legitreviews.com/article/1585/14/, allowing you to save some money.
Asus P67 WS Revolution | i7 2600K @ 4.6 HT | 16Gb DDR3 1600
2x5850 @ 875 core/1175 mem & Accelero Xtreme Plus | 2xSSD Intel X25-M160 | 2xWD Green 1.5Gb
Noctua NH-D14 | 4x14cm BeQuiet Silentwings | 3x12 cm NB Multiframe S2 | 3x12 cm Scythe GT 1125 rpm
Antec P193 mod | SuperFlower 750W Gold

CA_Steve
Moderator
Posts: 7374
Joined: Thu Oct 06, 2005 4:36 am
Location: Monterey Bay, CA

Re: Which of these 2 power supplies would you buy?

Post by CA_Steve » Tue Nov 06, 2012 2:31 pm

The reason I ask about the build is 9 out of 10 times the user over-specs the PSU. Your stressed load is < 275W. You could have bought the LZP-550 and it would have been silent for all apps.
1080p Gaming build: i5-4670K, Mugen 4, Asrock Z97 Anniversary, MSI GTX 1050 Ti Gaming, 8GB 1866 RAM, Samsung 860 Evo 500GB, Crucial MX100 256GB, WD Red 2TB, Samsung DVD burner, Fractal Define R4, Antec True Quiet 140 (2 front + rear) case fans, Seasonic SSR-550FX. 35W idle, 45-55W video streaming, 170-200W WoW, 318W stress test (Prime95 + Furmark)

Support SPCR through these links: Amazon and Newegg

Post Reply