How does PSU efficiency affect me and do I really need an 80 Plus Gold Power Supply? - Page 2

W1zzard · Aug 25, 2010, 11:22 AM

good writeup

Quote:

Will there ever be 100% efficient Power Supplies?

second law of thermodynamics says no. but you can get arbitrarily close to it.

HossHuge · Aug 25, 2010, 11:44 AM

I use this website for two reasons. To learn and to help others.

And anyone who helps teach me, I appreciate.

Edit: I also use this website for laughs. Some of you guys are really funny.

a_ump · Aug 25, 2010, 12:11 PM

yep, TPU be the bomb compared to when i'm on guru3d. Just more of a community lol.

I've personally always wondered when computers wouldn't need PSU's, just be connected directly to the socket with like voltage chips to handle the different voltages. course dunno if that is possible lol

Mussels · Aug 25, 2010, 12:25 PM

Quote:

Originally Posted by a_ump

yep, TPU be the bomb compared to when i'm on guru3d. Just more of a community lol.

I've personally always wondered when computers wouldn't need PSU's, just be connected directly to the socket with like voltage chips to handle the different voltages. course dunno if that is possible lol

not with current technology, its not.

then again, in the future they wont bother with this crap - it'll be an internal PSU + battery, powered via wireless transmission (they already have cordless rechargers for various things, its just working on how much power can be transmitted safely, and how far)

a_ump · Aug 25, 2010, 12:46 PM

never did understand how they transmitted power through the air lol. Speaking of what could become, i feel like its taking forever lol. Yea we now have NB's integrated to the CPU or the SB/NB combined, but still Computers havent really changed in the past 15yrs. I wonder what the next revolutionary change to Computers will be.

Mussels · Aug 25, 2010, 12:47 PM

Quote:

Originally Posted by a_ump

never did understand how they transmitted power through the air lol. Speaking of what could become, i feel like its taking forever lol. Yea we now have NB's integrated to the CPU or the SB/NB combined, but still Computers havent really changed in the past 15yrs. I wonder what the next revolutionary change to Computers will be.

same way they transfer TV signals, cell phone signals, 802.11b/g/n and cordless doorbells - with magic.

a_ump · Aug 25, 2010, 12:54 PM

haha i suppose. Idk radio frequencies are one thing but the whole wireless charging thing, like the that ipod/pad/phone charger pad that you just set your devices on it, just cant' comprehend how the electricity would get through the air to its designation

Mussels · Aug 25, 2010, 12:58 PM

Quote:

Originally Posted by a_ump

haha i suppose. Idk radio frequencies are one thing but the whole wireless charging thing, like the that ipod/pad/phone charger pad that you just set your devices on it, just cant' comprehend how the electricity would get through the air to its designation

it doesnt. conversion process. electricity -> radio waves (or magnetic waves) -> electricity

a_ump · Aug 25, 2010, 01:09 PM

haha i understand it, it just baffles me. we humans are amazing mofo's

Munki · Aug 25, 2010, 02:50 PM

Nice write up, very informative.

As for wireless electricity, if it does in fact use magnetic waves, I don't feel comfortable having any of my hdds within the vicinity.

a_ump · Aug 25, 2010, 04:02 PM

psh HDD, u know that it'll cause cancer XD

zithe · Aug 25, 2010, 09:18 PM

Quote:

Originally Posted by Mussels

not with current technology, its not.

then again, in the future they wont bother with this crap - it'll be an internal PSU + battery, powered via wireless transmission (they already have cordless rechargers for various things, its just working on how much power can be transmitted safely, and how far)

It's actually surprising how much we could do safely. Even over a hundred years ago tesla did something like it with what he called wireless resonant inductive coupling.

newtekie1 · Aug 25, 2010, 09:57 PM

I changed up the charts a little, making them bar graphs.

Are they too confusing?

Quote:

Originally Posted by W1zzard

good writeup

second law of thermodynamics says no. but you can get arbitrarily close to it.

I'm still one that says nothing is impossible, or rather nothing is impossible until we believe it is impossible.

Munki · Aug 26, 2010, 12:35 AM

Quote:

Originally Posted by a_ump

psh HDD, u know that it'll cause cancer XD

Id rather have my hdd. Cancer just falls under everything else that exists in today's world.

LAN_deRf_HA · Aug 26, 2010, 12:50 AM

Quote:

Originally Posted by zithe

It's actually surprising how much we could do safely. Even over a hundred years ago tesla did something like it with what he called wireless resonant inductive coupling.

I'm not sure what kind of effects tesla's method would have on other electronics at this point. There weren't really any complex electrical devices at the time. As for transmitted power in general it's a pretty terrible idea in radial form. We'd need a fusion reactor on every block to make the power waste feasible and extensive testing to prove we aren't frying ourselves and interfering with other technologies. Centralization is always the wrong approach for this type of thing. Redundancy and independence is the way to go.

genta3d · Oct 22, 2010, 02:52 PM

Since I need some power, I pick any good brand PSU as long it says 80+. Right now Im still using silverstone 750, which some times ago this is the best PSU I can get with my budget. But still its very lovely since in my area the electricity unstable, even its drop, my system never fail. So I guess 80+ mark doesnt only mean the efficiency, but a "high end" mark to. What I mean is the PSU has some safety for the system. (Sorry cannt speak english much).

newtekie1 · Oct 22, 2010, 02:57 PM

Generally, yes. PSUs with 80+ ratings tend to have better build quality than those that don't. However, you also have to consider that the 80+ rating is somewhat new to the PSU market, so if you bought a PSU before they were used, you could still have a very well build unit. A silverstone 750w should be very well built.

claylomax · Oct 26, 2010, 08:39 PM

Remember that if you use a 240v grid, efficiency goes up around 2%; many Silver units would qualify for Gold on a 240v grid. This is because the 80plus tests are done on a 120v grid. Most of the world uses 220-240v.

hv43082 · Oct 31, 2010, 07:13 PM

Very nice write up. Simple and to the point. Unfortunately my Corsair HX1000 is DEAD. Literally would not power up my computer even at stock setting. Hope Corsair RMA is quick.

Charly · Oct 31, 2010, 08:29 PM

nice sticky

Steevo · Nov 8, 2010, 05:36 PM

Awesome. Few people truly understand the power use to efficiency factors.

And a dollar is a dollar.

nesco1801 · Nov 16, 2010, 11:51 AM

Its all about who has the biggest...

I mean LESSER carbon footprint.

God damn hippies. And every one of them is using 850W PSU to power his single 5770 rig.

RejZoR · Nov 16, 2010, 12:14 PM

Well, realistically i'd only need a 400W PSU for my system. But have decided for a 750W one and i'll probably not gonna replace it till it dies. Plus, since i've made it more silent with less air flow it's good that it's rated higher so you have some reserve as far as heat goes. Bigger and more powerful PSU's tend to have better heatsinks...

UseNow · Nov 16, 2010, 12:19 PM

Good read, thanks.

Mussels · Nov 16, 2010, 01:40 PM

Quote:

Originally Posted by nesco1801

Its all about who has the biggest...

I mean LESSER carbon footprint.

God damn hippies. And every one of them is using 850W PSU to power his single 5770 rig.

overkill yes, but PSU's are more efficient when they arent at max load

Processor:	Intel Core i7-2600K @ 3.4 GHz
Motherboard:	ASUS P8Z68-V Pro
Memory:	3x 2048 MB Mushkin DDR3
Video Card:	ASUS GeForce GTX 670 Direct CU II TOP
Hard Disk:	Crucial C300 128 GB, WD6400AAKS 640 GB, WD15EADS 1.5 TB
Optical Drive:	BenQ DW1640
CRT/LCD Model:	Dell U3011 30", 2560x1600 + 19" 1280x1024
Case:	NZXT H2
Sound Card:	On-board Realtek HD
PSU:	Kingwin Absolute Platinum 550 W
Software:	Windows 7 64-bit

Aug 25, 2010, 11:44 AM	#27
HossHuge Join Date: Jun 2008 Location: Taiwan Posts: 1,811 (1.01/day) Thanks: 513 Thanked 448 Times in 301 Posts System Specs	I use this website for two reasons. To learn and to help others. And anyone who helps teach me, I appreciate. Edit: I also use this website for laughs. Some of you guys are really funny. __________________ But they are useless. They can only give you answers. ~Pablo Picasso, about computers Last edited by HossHuge; Aug 25, 2010 at 11:52 AM.

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Case:	SuperFlower SF-800
Sound Card:	Creative SB X-Fi Xtreme Audio/Logitech X-540 speakers / Coolermaster Sirus 5.1 headset
PSU:	Enermax Pro82+ 625W
Software:	7 64bit

Aug 25, 2010, 12:11 PM	#28
a_ump Join Date: Nov 2007 Location: Fairmont, WV Posts: 3,081 (1.53/day) Thanks: 450 Thanked 317 Times in 294 Posts System Specs	yep, TPU be the bomb compared to when i'm on guru3d. Just more of a community lol. I've personally always wondered when computers wouldn't need PSU's, just be connected directly to the socket with like voltage chips to handle the different voltages. course dunno if that is possible lol __________________ My Heatware “MRCL:What if Jesus came by and Apocalypse actually would happen? Weer:Then I'd be more afraid that other works of fiction would come true, such as Harry Potter.”

System Name:	Boss
Processor:	Core i7-2630QM@2ghz
Motherboard:	laptop
Cooling:	laptop
Memory:	6gb
Video Card:	HD 6770m
Hard Disk:	750gb
Optical Drive:	BD drive
CRT/LCD Model:	15.6" 1360x768
Case:	laptop
Sound Card:	onboard
PSU:	laptop
Software:	Win 7 x64

System Name:	Real Men use Real Cores!
Processor:	Phenom II x6 1090T: 3600Mhz undervolted (NB+HT at 2.6)
Motherboard:	Gigabyte 890FXA-UD5
Cooling:	Thermalright Ultra 120 Extreme (Lapped + ducted)
Memory:	8GB Corsair Dominator DDR3 - 1600Mhz 7-7-7-20 1.65V
Video Card:	AMD Radeon 5870 1GB Crossfire
Hard Disk:	Intel 520 SSD (120GB), 500GB OS + 18TB of storage (mostly external)
Optical Drive:	Samsung Blu Ray drive (SH-B083A)
CRT/LCD Model:	23.6" Samsung 1080P / Samsung 40" HDTV - 1360x768P
Case:	Coolermaster CM 690 II Advanced (non window)
Sound Card:	Auzentech X-Mystique (Logitech Z5500D + sennheiser HD555 + RE2's)
PSU:	Corsair HX 1000W
Software:	Windows 7 Ultimate x64 - kaspersky internet security 2013
Benchmarks:	Laptop: AMD A6 APU 1.4GHz @2.2GHz quad core + APU crossfire.Iphone 5, Samsung galaxy tab 2 7"

Aug 25, 2010, 12:46 PM	#30
a_ump Join Date: Nov 2007 Location: Fairmont, WV Posts: 3,081 (1.53/day) Thanks: 450 Thanked 317 Times in 294 Posts System Specs	never did understand how they transmitted power through the air lol. Speaking of what could become, i feel like its taking forever lol. Yea we now have NB's integrated to the CPU or the SB/NB combined, but still Computers havent really changed in the past 15yrs. I wonder what the next revolutionary change to Computers will be. __________________ My Heatware “MRCL:What if Jesus came by and Apocalypse actually would happen? Weer:Then I'd be more afraid that other works of fiction would come true, such as Harry Potter.”

Aug 25, 2010, 12:54 PM	#32
a_ump Join Date: Nov 2007 Location: Fairmont, WV Posts: 3,081 (1.53/day) Thanks: 450 Thanked 317 Times in 294 Posts System Specs	haha i suppose. Idk radio frequencies are one thing but the whole wireless charging thing, like the that ipod/pad/phone charger pad that you just set your devices on it, just cant' comprehend how the electricity would get through the air to its designation __________________ My Heatware “MRCL:What if Jesus came by and Apocalypse actually would happen? Weer:Then I'd be more afraid that other works of fiction would come true, such as Harry Potter.”

Aug 25, 2010, 01:09 PM	#34
a_ump Join Date: Nov 2007 Location: Fairmont, WV Posts: 3,081 (1.53/day) Thanks: 450 Thanked 317 Times in 294 Posts System Specs	haha i understand it, it just baffles me. we humans are amazing mofo's __________________ My Heatware “MRCL:What if Jesus came by and Apocalypse actually would happen? Weer:Then I'd be more afraid that other works of fiction would come true, such as Harry Potter.”

Aug 25, 2010, 02:50 PM	#35
Munki Join Date: Sep 2008 Location: Weedopia Posts: 1,169 (0.68/day) Thanks: 114 Thanked 187 Times in 143 Posts System Specs	Nice write up, very informative. As for wireless electricity, if it does in fact use magnetic waves, I don't feel comfortable having any of my hdds within the vicinity. __________________

Processor:	Intel i5 2550K @ 4.4Ghz
Motherboard:	Asrock Extreme3 Gen3
Cooling:	CM Hyper 212+
Memory:	16Gb (4x4) XMS3 1600mhz
Video Card:	EVGA GTX470
Hard Disk:	OCZ Vertex 3 - 240GB
CRT/LCD Model:	(2) Acer 24" LCD
Case:	Bitfenix Raider
PSU:	SILVERSTONE Strider Gold Evolution SST-ST1000-G Evolution 1000W
Software:	Windows 7 Pro x64 \| Backtrack 5 R2

Aug 25, 2010, 04:02 PM	#36
a_ump Join Date: Nov 2007 Location: Fairmont, WV Posts: 3,081 (1.53/day) Thanks: 450 Thanked 317 Times in 294 Posts System Specs	psh HDD, u know that it'll cause cancer XD __________________ My Heatware “MRCL:What if Jesus came by and Apocalypse actually would happen? Weer:Then I'd be more afraid that other works of fiction would come true, such as Harry Potter.”

System Name:	Woot!:D
Processor:	Phenom II 965
Motherboard:	DFI LP DK 790FX-M2RS
Cooling:	CoolerMaster V8
Memory:	8GB DDR2 800
Video Card:	2x Radeon 5850 1GB Crossfire
CRT/LCD Model:	LG 23" 1920x1080
Case:	Thermaltake v6
Sound Card:	SIIG IC-710012-S2 7.1 24-bit 96KHz PCI
PSU:	Corsair TX600W
Software:	Windows 7 Home Premium 64 bit

Processor:	Intel Core i7 875K@4.0GHz(200x20)
Motherboard:	eVGA P55 FTW 200
Cooling:	Thermalright Ultra-120 Extreme w/ Corsair SP120 High Performance Edition
Memory:	8GB Corsair DDR3-1600 7-7-7-20
Video Card:	ASUS GTX 670 4GB DirectCU II @ 1015/3600
Hard Disk:	1TB Seagate 7200.12(OS), 3x 1.5TB Seagate 7200.11 in RAID 5
Optical Drive:	Lite-On Blu-Ray Combo Drive IHES108
CRT/LCD Model:	HP 25" 2509m 1080p LCD
Case:	Lian-Li Lancool Metal Boned K7 w/ Windowed Side Panel
Sound Card:	Onboard is good enough for me
PSU:	Corsair HX850
Software:	Windows 7 x64 Professional

System Name:	Obelisc
Processor:	i7 2600k @ 4.5 GHz
Motherboard:	Asus P8Z77-V
Cooling:	H110
Memory:	16GB(4x8) @ 2133 MHz 9-11-10-28 2T
Video Card:	Galaxy GTX 660 Ti GC 3GB SLI
Hard Disk:	M4 256GB, 2x 3TB Seagate XT
Optical Drive:	Samsung 12x Bluray
CRT/LCD Model:	Crossover 27Q
Case:	Corsair 550D
Sound Card:	X-Fi Titanium HD with HD598
PSU:	Kingwin LZP-550
Software:	Win7 64bit SP1

Oct 22, 2010, 02:52 PM	#41
genta3d Join Date: Oct 2010 Posts: 33 (0.03/day) Thanks: 20 Thanked 9 Times in 8 Posts System Specs	Since I need some power, I pick any good brand PSU as long it says 80+. Right now Im still using silverstone 750, which some times ago this is the best PSU I can get with my budget. But still its very lovely since in my area the electricity unstable, even its drop, my system never fail. So I guess 80+ mark doesnt only mean the efficiency, but a "high end" mark to. What I mean is the PSU has some safety for the system. (Sorry cannt speak english much).

System Name:	The Old Friend
Processor:	E8500 @3.8Ghz
Motherboard:	Abit IP-35 Pro XE
Cooling:	Xigmatek
Memory:	Team Extreme Dark, PC 8500, 4x2GB
Video Card:	Gigabyte HD4870X2
Hard Disk:	Western Digital 250GB and 640GB
Optical Drive:	LG multi DVD RW
CRT/LCD Model:	HP w2448hc
Case:	Antec 900
Sound Card:	Onboard
PSU:	Silverstone Olympia 700

Oct 22, 2010, 02:57 PM	#42
newtekie1 Semi-Retired Folder Join Date: Nov 2005 Location: Indiana Posts: 17,766 (6.48/day) Thanks: 780 Thanked 5,121 Times in 3,710 Posts System Specs	Generally, yes. PSUs with 80+ ratings tend to have better build quality than those that don't. However, you also have to consider that the 80+ rating is somewhat new to the PSU market, so if you bought a PSU before they were used, you could still have a very well build unit. A silverstone 750w should be very well built. __________________ Rig1: System Specs. Rig2: A8-5600K@4.4GHz / AsRock FM2A75 Pro4 / 8GB Corsair DDR3-1600 9-9-9-24 / HD7560D / Samsung DVD-Burner / 1.5TB WD Green + 3x3TB WD RED in RAID5 Rig3: Athlon X2 4200+ / M4A79 Deluxe / 4GB G.Skill Pi DDR2-800 4-4-4-12 / GT430 / Sony DVD-Burner / 500GB WD Rig4: Phenom II x6 1605T @ 3.6GHz / Asus M5A99X Evo / 8GB PNY DDR3-1600 9-9-9 / GTX470 & GTX470 / Samsung DVD-Burner / 1.5TB Seagate

Oct 26, 2010, 08:39 PM	#43
claylomax Join Date: Apr 2010 Location: London Posts: 1,385 (1.21/day) Thanks: 119 Thanked 251 Times in 217 Posts System Specs	Remember that if you use a 240v grid, efficiency goes up around 2%; many Silver units would qualify for Gold on a 240v grid. This is because the 80plus tests are done on a 120v grid. Most of the world uses 220-240v.

System Name:	Jaspe
Processor:	i7 3820 4.62Ghz 1.36v
Motherboard:	BIOSTAR TPower X79
Cooling:	Thermalright Archon Rev. A
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Hard Disk:	WD 600Gb Velociraptor
CRT/LCD Model:	Samsung 2433BW
Case:	Silverstone FT01B-W
Sound Card:	Onboard
PSU:	Antec Signature 650w
Software:	Windows 7 64

Oct 31, 2010, 07:13 PM	#44
hv43082 Join Date: Sep 2006 Location: Orange County, CA and Miami, FL Posts: 1,237 (0.51/day) Thanks: 42 Thanked 95 Times in 73 Posts System Specs	Very nice write up. Simple and to the point. Unfortunately my Corsair HX1000 is DEAD. Literally would not power up my computer even at stock setting. Hope Corsair RMA is quick.

System Name:	Desktop / MacBook Air 13 / The new ipad
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Motherboard:	Asus P8P67 Pro
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CRT/LCD Model:	3 x Crossover 27Q LED-P 7680x1440
Case:	Lian Li PC-80NB
Sound Card:	Asus Xonar DX + Logitech Z5500 + Ultrasone Pro 650
PSU:	Corsair AX1200
Software:	Window 7 Ultimate x64

Oct 31, 2010, 08:29 PM	#45
Charly Join Date: Jan 2008 Posts: 44 (0.02/day) Thanks: 13 Thanked 7 Times in 5 Posts	nice sticky

Processor:	i7 2600K
Motherboard:	MSI P67A GD65
Cooling:	Watercooling
Memory:	Corsair Dominator GT
Video Card:	CFX 6950
PSU:	CM M1000

Nov 8, 2010, 05:36 PM	#46
Steevo Eligible for custom title Join Date: Nov 2005 Posts: 5,567 (2.02/day) Thanks: 238 Thanked 979 Times in 729 Posts System Specs	Awesome. Few people truly understand the power use to efficiency factors. And a dollar is a dollar. __________________ “it would have been perfect....its got trains and the line"tech your kids not to do what iv done"(or similar) because i had obviously done something to warrent 2 e-thugs to come 4000miles out of their way and kill me.” -Solaris17 “yeah i failed. i noticed the "coming soon" part after i posted.” -Mussels “people are just stupid.” -W1zzard Yes I am evil, yes you can have some.

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Motherboard:	Asus M3A32-MVP Deluxe 2202 BIOS
Cooling:	Swiftec 655 pump, Apogee GT, MCW60-R GPU, MCR360mm Rad, 1/2 loop.
Memory:	G-Skill 1200Mhz 5.5.5.15 2T
Video Card:	HD5870 1Gb HIS custom BIOS watercooled & VRM-R4
Hard Disk:	2 Agility 3 SSD RAID 0 on highpoint 640, 2 3TB RAID 0, 1 2TB and one failing 750Gb
Optical Drive:	Lite-On DL DVD
CRT/LCD Model:	Asus 1920X1200 60Hz 25.5" LCD, 46" 1080P Toshiba LCD
Case:	Rosewill R6A34-BK modded (thanks to MKmods)
Sound Card:	On Board
PSU:	750W PC Power & Cooling modded (thanks to MKmods)
Software:	Vista X64 Ultimate/Win 7 Ultimate
Benchmarks:	780 MBps read on HDD's 1052 core on 5870.

Nov 16, 2010, 11:51 AM	#47
nesco1801 Banned Join Date: Nov 2010 Posts: 53 (0.06/day) Thanks: 14 Thanked 6 Times in 6 Posts	Its all about who has the biggest... I mean LESSER carbon footprint. God damn hippies. And every one of them is using 850W PSU to power his single 5770 rig.

Nov 16, 2010, 12:14 PM	#48
RejZoR Join Date: Oct 2004 Location: Europe/Slovenia Posts: 3,967 (1.26/day) Thanks: 39 Thanked 753 Times in 541 Posts System Specs	Well, realistically i'd only need a 400W PSU for my system. But have decided for a 750W one and i'll probably not gonna replace it till it dies. Plus, since i've made it more silent with less air flow it's good that it's rated higher so you have some reserve as far as heat goes. Bigger and more powerful PSU's tend to have better heatsinks... __________________ RejZoR's Little Secrets @ rejzor dot tk

System Name:	The BlackBox 3
Processor:	Intel Core i7 920 4,2 GHz
Motherboard:	ASUS Rampage II Gene + 2x Noiseblocker XM2 on chipset/VRM
Cooling:	ANTEC H2O 920 + 2x Noiseblocker M12-S3HS
Memory:	6GB Corsair Dominator 1600MHz
Video Card:	GIGABYTE RADEON HD7950 3GB WindForce 3X (1100/6000)
Hard Disk:	WD Caviar Black 2TB 64MB
Optical Drive:	SAMSUNG SH-S223F
CRT/LCD Model:	SAMSUNG SyncMaster 931c
Case:	Lian Li PC-V354 Black
Sound Card:	Creative Sound Blaster Z + Altec Lansing MX5021
PSU:	Corsair HX750 + Noiseblocker BlackSilent XR2
Software:	Windows 8 Professional x64
Benchmarks:	It can run 3DMark and all...

Nov 16, 2010, 12:19 PM	#49
UseNow Join Date: Nov 2010 Posts: 124 (0.13/day) Thanks: 8 Thanked 14 Times in 14 Posts	Good read, thanks.

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