Jump to content
Search In
  • More options...
Find results that contain...
Find results in...
LukeSavenije

Higher wattages doesn't always mean more quiet

Recommended Posts

Posted · Original PosterOP

Introduction:

Many buy a high wattage PSU because they need it, but some buy them just to have their system more quiet, or at least, they think it will. After talking about the 50% efficiency myth here, this is generally the second given reason for it, and from a theoretical standpoint it makes sense. 

 

higher wattage PSUs need more components to supply the advertised power to a system, and will inside the same platform generally look the same otherwise.

 

an example is shown here, with the Corsair RMx

BWD7bVDhMeigEdCUUKQQfA-650-80.jpg

(RM550x, Tomshardware)

 

in_top4.jpg

(1000w, TechPowerup)

 

Example 1: RMx

because you'd stress the components less a piece there would be less heat in theory, making the fan spin less quickly, which would in theory make a more quiet PSU. 

ChBCzh2LnYXKVU8wCYFk4o-650-80.jpg

fan_noise.jpg

if we compare the graphs, we see that the fan kicks in later on the 1000w, making it more silent at those loads in theory, but when the fan kicks in, it actually kicks in louder than on the RM550x. an even better view would be if you compare two that don't use a semi-passive mode.

 

Example 2: Dark Power Pro 11

aYTsde7SVbQUoKJxkZYAXD-650-80.png

fan_noise.jpg

here you can see it much clearer, as it doesn't use a semi-passive mode.

 

Example 3: Toughpower PF1

there are extreme examples like Thermaltake's Toughpower PF1, which blasts it's fan directly when turning on.

fan_noise.jpg

 

Verdict:

overwattage can make sense in some cases, if the usage stays inside the lower parts, but it's better to focus at noise output in general, not just how much wattage you can run until the fan starts spinning.

 

get a PSU that fits your system's usage, and look at reviews what is the most quiet PSU inside your budget is, not what the highest wattage is you can afford. as always with wattage: quality>quantity

 

Sources:

rm550x (tomshw)RM1000x (TPU)DPP11 850w (Tomshw)DPP11 1000w (TPU)PF1 1200w (TPU)


PSU Tier List 4.0//Motherboard Tier List//Community Standards//Group Regulation//PSU Protections

Don't forget to quote or mention me

 

Primary PC:

Spoiler

CPU: I5-8600k 5.0ghz

GPU: GTX 1070 ti EVGA SC Gaming

RAM: 2x8 3333 mhz DDR4 Trident Z

MOBO: MSI Gaming Pro Carbon AC

HDD: 1 TB 7200 RPM Seagate Baracudda, 1 TB 5400 RPM Samsung Spinpoint HD103SI

SSD: Samsung 860 EVO 500 GB

Case: Cooler Master Masterbox Lite 5 RGB (modified)

PSU: Seasonic Focus GX650

 

Consoles:

Spoiler

PS4 Slim Glacier White 500 GB

PS4 FTP Special Edition 500 GB

PS3 Super Slim 500 GB

PS2 OG

Xbox OG

DS Lite White

DS Lite Black/blue

DS Lite Blue

DSI XL Orange

Gameboy Advanced Color

PS Vita v2

Wii

 

Link to post
Share on other sites
2 hours ago, LukeSavenije said:

if we compare the graphs, we see that the fan kicks in later on the 1000w, making it more silent at those loads in theory, but when the fan kicks in, it actually kicks in louder than on the RM550x. an even better view would be if you compare two that don't use a semi-passive mode.

No.

The 1000x makes less noise then 550x at the same output. Just scale each graph properly and overlay it:

 

 

image.png.95cd44eb41355716c48776ef9b22386c.png

 

Link to post
Share on other sites
Posted · Original PosterOP
14 hours ago, James Evens said:

The 1000x makes less noise then 550x at the same output. Just scale each graph properly and overlay it:

read again

 

15 hours ago, LukeSavenije said:

if we compare the graphs, we see that the fan kicks in later on the 1000w, making it more silent at those loads in theory, but when the fan kicks in, it actually kicks in louder than on the RM550x

 


PSU Tier List 4.0//Motherboard Tier List//Community Standards//Group Regulation//PSU Protections

Don't forget to quote or mention me

 

Primary PC:

Spoiler

CPU: I5-8600k 5.0ghz

GPU: GTX 1070 ti EVGA SC Gaming

RAM: 2x8 3333 mhz DDR4 Trident Z

MOBO: MSI Gaming Pro Carbon AC

HDD: 1 TB 7200 RPM Seagate Baracudda, 1 TB 5400 RPM Samsung Spinpoint HD103SI

SSD: Samsung 860 EVO 500 GB

Case: Cooler Master Masterbox Lite 5 RGB (modified)

PSU: Seasonic Focus GX650

 

Consoles:

Spoiler

PS4 Slim Glacier White 500 GB

PS4 FTP Special Edition 500 GB

PS3 Super Slim 500 GB

PS2 OG

Xbox OG

DS Lite White

DS Lite Black/blue

DS Lite Blue

DSI XL Orange

Gameboy Advanced Color

PS Vita v2

Wii

 

Link to post
Share on other sites

Still wrong/irrelevant.

There is no load within the capabilities of the 550W power supply where the 1000W makes more noise and that's the whole point of using a larger PSU than needed, IF you can run your system on a 550W PSU then using a 1000W one the fan will basically never spin, and if you do pull more than 500W it will spin but makes less noise than the 550W would🤦‍♂️

Not to mention less stress on the oversized components obviously.


Desktop: i7-5960X 4.4GHz, Noctua NH-D14, ASUS Rampage V, 32GB, GTX1070, 2TB NVMe SSD, 2x16TB HDD RAID0, Corsair HX1200, Thermaltake Overseer RX1, Samsung 4K curved 49" TV, 23" secondary

Mobile SFF rig: i9-9900K, Noctua NH-L9i, Asrock Z390 Phantom ITX-AC, 32GB, GTX1070, 2x1TB NVMe SSD RAID0, 2x5TB 2.5" HDD RAID0, Athena 500W Flex (Noctua fan), Custom 4.7l 3D printed case

Dell XPS 2 in 1 2019, 32GB, 1TB, 4K / GPD Win 2

Link to post
Share on other sites

@LukeSavenije read again:

Quote

if we compare the graphs, we see that the fan kicks in later on the 1000w,

assumption:

17 hours ago, James Evens said:

 making it more silent at those loads in theory

practical aspect:

17 hours ago, James Evens said:

, it actually kicks in louder than on the RM550x. 

Still agree with the verdict quality should be the focus over wattage rating when choosing a PSU but this compression actually shows the opposite of what you descried.

Link to post
Share on other sites
Posted · Original PosterOP
14 minutes ago, James Evens said:

Still agree with the verdict quality should be the focus over wattage rating when choosing a PSU but this compression actually shows the opposite of what you descried.

better?


PSU Tier List 4.0//Motherboard Tier List//Community Standards//Group Regulation//PSU Protections

Don't forget to quote or mention me

 

Primary PC:

Spoiler

CPU: I5-8600k 5.0ghz

GPU: GTX 1070 ti EVGA SC Gaming

RAM: 2x8 3333 mhz DDR4 Trident Z

MOBO: MSI Gaming Pro Carbon AC

HDD: 1 TB 7200 RPM Seagate Baracudda, 1 TB 5400 RPM Samsung Spinpoint HD103SI

SSD: Samsung 860 EVO 500 GB

Case: Cooler Master Masterbox Lite 5 RGB (modified)

PSU: Seasonic Focus GX650

 

Consoles:

Spoiler

PS4 Slim Glacier White 500 GB

PS4 FTP Special Edition 500 GB

PS3 Super Slim 500 GB

PS2 OG

Xbox OG

DS Lite White

DS Lite Black/blue

DS Lite Blue

DSI XL Orange

Gameboy Advanced Color

PS Vita v2

Wii

 

Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now


×