mounting holes. If the screw won't thread smoothly, remove it and check to ensure the
mounting holes are correctly lined up. Repeat for the remaining three screws. Do not
fully tighten any of the screws until they all have been threaded into their mounting
holes. (Note: Consider Startech part
SCREWTHUMB
screws for easier installation.)
9. Tie unused wires away from fans and other moving parts.
10. Replace the case cover and secure it. You may wish to not replace the screws until
after you have checked that all connections are working.
11. Toggle the rear power switch on power supply to off. (The "0" symbol on the switch.)
Connect the power cord to the power supply and plug it in to a grounded power
outlet. (The power supply MUST be connected to a grounded outlet.) Toggle the rear
power switch to on.
12. Start your computer. You should hear its fans and devices immediately begin to run.
If you do not, toggle the rear switch on the power supply to off, disconnect the power
cord, open the case and check that all connectors are well seated and secure.
13. When you have confirmed all connections are working, replace the screws in your
case.
14. Power supplies contain electrical and electronic components and should be disposed
of properly. If you are replacing a power supply, please follow your city’s rules for
proper disposal of electrical equipment.
Specifications
Instruction Manual
3
Dimensions/Weight
L x W x H:
5.51 x 5.91 x 3.35in. (140 x 150 x 86mm)
ATX2POW400HS:
4.72lbs (2.14 kg)
ATX2POW450HS:
5.03lbs (2.28kg)
ATX2POW500HS:
5.2lbs (2.36kg)
ATX2POW550HS:
5.25lbs (2.38kg)
AC Input Voltage
ATX2POW400HS:
115V (10A) or 230V (5.5A), 50-60Hz (Manual Switching)
ATX2POW450HS:
115V (10A) or 230V (5.5A), 50-60Hz (Manual Switching)
ATX2POW500HS:
115V (10A) or 230V (5.5A), 50-60Hz (Manual Switching)
ATX2POW550HS:
115V (12A) or 230V (6A), 50-60Hz (Manual Switching)
Output Power (max.)
ATX2POW400HS:
400W
ATX2POW450HS:
450W
ATX2POW500HS:
500W
ATX2POW550HS:
550W
Fan
12cm, dual ball bearing
Regulatory Approvals
ATX2POW400HS:
FCC, TUV, UL, CSA
ATX2POW450HS:
FCC, TUV, UL, CSA
ATX2POW500HS:
FCC, TUV, UL, CSA
ATX2POW550HS:
FCC, TUV, UL, CSA
Connectors
ATX2POW400HS
LP4
x 4
SP4
x 2
SATA
x 4
PCI Express
x 1
P4 12V
x 1
TX3 Fan Sensor
x 1
ATX 20/24 pin
motherboard
x 1
ATX2POW450HS
LP4
x 4
SP4
x 2
SATA
x 4
PCI Express
x 1
P4 12V
x 1
TX3 Fan Sensor
x 1
ATX 20/24 pin
motherboard
x 1
ATX2POW500HS
LP4
x 6
SP4
x 2
SATA
x 6
PCI Express
x 2
P4 12V
x 1
TX3 Fan Sensor
x 1
ATX 20/24 pin
motherboard
x 1
ATX2POW550HS
LP4
x 6
SP4
x 2
SATA
x 6
PCI Express
x 2
P4 12V
x 1
TX3 Fan Sensor
x 1
ATX 20/24 pin
motherboard
x 1
