lol it's always the damn psu.
buy quality! always buy quality! stick to tier 1 or tier 2.
Tier one - The highest quality and most stable PSUs available on the hardware market today. Highly recommended for any situation -
Antec -
High Current Pro - 1200 watts
High Current Platinum series
Signature series
Be Quiet Dark power pro P10 (Greater than 750 Watts)
Corsair AX / AXi series (MK1 AX series is also an excellent choice)
Enermax Revolution series (87+ and 82)
Kingwin Lazer platinum series
PC Power & cooling Silencer series (Only above 610 Watts)
Sapphire Pure series
Seasonic -
S / M12 II Bronze series
Platinum series (Fanless or not)
X series
Silverstone -
OP / DA series (power greater than 700 Watts)
ZF series (Etasis series 85 / 75 / 56)
ZM series
Seventeam ST series (greater than 600 watts, SSI, V2.91)
Ultra - X3 greater than 1000 Watts
XFX -
Black edition series
XXX series
Zippy -
SSL
GSM
PSL
HG2
HP2
Tier two class A - Excellent quality units, if not, as good as the Tier one class of units. For people who have a limited budget, but still want a reliable unit for the price -
Antec -
Earthwatts series (Only from 700 Watts and up)
High Current Gamer series
Neo HE
Truepower Trio
Truepower Quattro
Truepower New - 700 Watts only
Akasa Powergreen 80+
Coolmax GTG-750 / 850 / 1000 Watts
Cooler Master -
V series
VS series
Be Quiet -
Power zone series
Straight power E9 (Greater than 400 Watts)
Corsair -
GS series (GS600 / GS800)
HX / HX v2 series
RM series
TX / TXM series
Cougar - SX and GX 700
Enermax -
MaxRevo 1350 Watts
Platimax series (under 1250 Watts)
Triathlor (550, 650, 700)
Enhance ENP-GH
Lepa G500
NZXT Hale82 Modular (650 and 750 Watt models)
OCZ -
EliteXStream series
EvoXStream series
Fatal1ty series
GameXStream series (less than 1000 Watts, if manufactured from December 2007 or later)
ModXStream series (Again, if manufactured from December 2007 or later)
ProXStream
StealthXStream (400 Watt only)
StealthXStream MK2 (greater than 700 Watts)
ZT / ZS series (less than 1000 Watts)
ZX 850 Watts
PC Power & Cooling -
Silencer (Less than 610 Watts)
Silencer MK2 series
Rosewill -
Capstone series
Silent Night 500 Watts
Tachyon series
Seasonic -
G series
M / S12 MK1 series
Setney Golden Steel Power 850 Watts
Seventeam ST series (less than 600 Watts)
Silverstone OP / DA series (less than 700 Watts)
Superflower -
Golden green series
Golden King series
Leadex Platinum series
Supermicro / Ablecom
Thermaltake Toughpower series (greater than 600 Watts)
Thortech Thunderbolt plus (800 Watts only)
Topower Powerbird (900 Watts only)
XClio Stablepower series
XFX -
Pro series
Core series
Xigmatek -
HC Series
MC Series
Ultra -
X3 series
X-Pro series
Zalman ZM series (Less than 1000 Watts)
Tier two Class B - Lower life span or slightly lower power output than rated. These are still great units, all of which are still within standard ATX specifications -
ABS-Tagan ITZ / BZ series (less than 1000 Watts)
Antec VP series (350, 450 only)
Cooler Master -
GX series (450 Watt only)
Real power Pro (Greater than 800 Watts)
Cougar S700
Enermax -
NaXn 82+ (550 to 750 Watts)
EVGA -
Supernova NEX (greater than 750 Watts)
Supernova G2
Fractal Design Newton R3 Series
FSP -
Aurum Gold
Aurum Xilencer
Hiper -
Type M (Greater than 600 Watts)
Type R (Again, greater than 600 Watts)
Huntkey Jumper series
Kingwin Lazer gold series
Lepa B series (B650, B850 only)
Mushkin Enhanced series
NZXT -
Hale 82 series (Non modular, apart from 650 Watt model)
Hale 90 V1 / V2 series
OCZ -
Powerstream series
StealthXStream (Less than 700 Watts, if manufactured from December 2007 or older)
Silverstone Strider Element series (EF series)
Tagan -
U95
U25
U15
U22
Topower Powerbird (1100 Watts only)
XClio Greatpower series
Zalman ZM 1250 Watts
Tier three - Meets standard ATX specifications, though closer to the edges than Tier two units. These are still solid units, which still supply stable power to your system, though not ideal for serious overclocking -
Acbel Polycom series
Akasa -
Paxpower
Powerplus (Greater than 500 Watts)
AMS Mercury series
Antec -
Basiq series
Earthwatts series (greater than 700 Watts)
Neopower 480 Watt (Old model)
Truecontrol MK2
Truepower MK2 / MK3
Athena Power space shuttle series
Be Quiet -
Dark power pro (Less than 750 Watts)
Pure power L8 / Purepower L8 CM series
Straight power E9 400 Watts
Cooler master -
GX II 750 Watts
i Series 700 Watts
iGreen series
Real power pro (less than 800 Watts)
Silent pro M2 / Gold / Platinum series
Corsair -
CX / CXM series
VS series
Enermax -
CoolerGiant series
Maximum Plus series
naXn ADV 650 Watts
Noistaker MK1 / MK2 series
Triathlor / Traiathlor FC series
Whisper MK2 series
Enhance ENS-G
Epower Xscale series
EVGA -
Supernova 750 Watts
Supernova Classified 1500 Watts
Fortron / FSP Aurum 92+ 650M
Fractal Design -
Integra R2 650 / 750 Watts
Tesla R2
Kingwin -
Lazer series
Mach 1 (the negative 12v rail may go slightly outside of spec in some loading conditions)
Lepa G900
OCZ -
ModXStream (rated at 40° C)
Z series 1000 Watts
Rosewill -
Fortress Series
Hercules 1600 Watts
Hive series
RP 2 (temp. Sensitive)
Xtreme / RX series
Seasonic Super versatile series
Sigma SP series
Silversone F prefix
Sparkle FSP units
Spire Rocketeer V/VI
Rocketeer V/VI
Sunbeam Nuuo
Thermaltake -
Litepower series
Purepower RX
Toughpower <less than 600 watts
Topower 1000w Gold
XG Magnum
X-Spice Kira series
Zalman ZM 850 / 1000 watts
Tier four - Not for overclocking systems or high end gaming rigs. May not even output labeled power and fail standard ATX specifications slightly. May even use cheap components to meet a price -
Aerocool -
Strike-X series
Templarius Imperator series
Asus Atlas
Cooler Master -
GX / GX lite series (The GX 450 non-lite Watt model is fine)
E-power units
EVGA -
500B
600B
FSP Raider series
Futurepower
Hiper - Type M (Less than 600 Watts)
HIPRO
LC power
Masscool
MGE XE
Mushkin HP series
NorthQ 4775-500S / BU
NZXT -
Hale82N 650w
Hale82 V2 700w
OCZ -
GameXStream (less than 1000 Watts, if manufactured before December 2007)
GameXStream 1010 Watts (it's an 850 Watt unit in disguise)
ModXStream (if manufactured before December 2007)
Fatal1ty 2013 550 and 750 Watts
StealthXStream (If manifactured before December 2007)
Scythe Kamariki
Superflower Amazon series
Ultra -
Xfinity series
U2 X2 series (Less than 700 Watts)
XVS series
Xion Real Power series
Tier five - Replace immediately. These units are NOT recommended for any system, no matter the purpose. Reference to higher tiered models for a better and potentially money-saving unit -
A-TOP technology
Apevia
Apex (SUPERCASE/ALLIED)
Artic / Ace (They're the same company)
Aspire (Turbocase)
ATADC
Athena Power
ATRIX
Broadway Com Corp
CIT
Cooler Master -
eXtreme series
Elite series
Coolmax
Deer
Diablotek
Dynapower
Dynex
Eagletech
Enlight
Evo labs
EZ-cool
Foxconn
FSP Everest
G7
HEC / Compucase Orion
Hiper Type-R (less than 600 Watt)
Huntkey (Apart from jumper series)
iStar computer co.
In win (Despite some reputable reviews, they are known to fail quickly)
Jeantec
JPac
Just PC
Kingwin (their budget models)
Linkworld electronics
Logisys computer
Macron
MGE
MSi (just stick to their GPUs and motherboards)
NMEDIAPC
Norwood Micro/ CompUSA
NorthQ
Okia
Powercool
Powmax
Pulsepower
Q-tec
Raidmax
Rocketfish
Rosewill (their older PSUs)
SFC
Sharkoon
Shuttle
Skyhawk
Spire micro
Startech
Storm
Sumvision
Tesla
Thermaltake -
Purepower NP / RU
TR2 and TR2-RX
Trust (Stick to their peripherals)
Ultra -
X-connect series
X2 (Greater than 700 Watts)
LSP series
Wintech
Winpower
Xion
Youngbear
Zebronics