User Manual
VS550 VS450 VS350
Top-Level Specs
Continuous power (W)
550W 450W 350W
Peak power (W)*
605W 495W 385W
ATX12V Version 2.31 2.31 2.31
EPS12V Version 2.92 2.92 2.92
Modular cable management None (fixed cables) None (fixed cables) None (fixed cables)
Special technology N/A N/A N/A
C-Link Digital
No No No
C-Link Ready No No No
MTBF (hours) 100,000. 100,000. 100,000.
Operating temperature range (°C) 0° to 50° C 0° to 50° C 0° to 50° C
Continuous output rated temperature (°C) 40°C 40°C 40°C
Warranty (Years) 3 3 3
AC In
p
ut s
p
ec
s
Input Voltage (VAC)
200 - 240
V
200 - 240
V
200 - 240
V
Input Frequency (Hz)
47 - 63H
z
47 - 63H
z
47 - 63H
z
Input current (A)
5
A
5
A
5
A
PFC
Yes Yes Yes
Power factor at 100% load
0.99 0.99 0.99
Intel C6/C7 sleep state compatible
No No No
Hold-up time (ms) 10.0 10.0 10.0
DC Out
p
ut s
p
ecs
Ability to toggle single/multiple +12V rails No No No
+12V (A)
42
A
34
A
25
A
+12V (W)
504W 408W 300W
+3.3V (A)
18
A
16
A
14
A
+5V (A)
18
A
16
A
14
A
Max. combined power 3.3V + 5V (W)
110W 100W 90W
+5Vsb (A)
2.5
A
2.5
A
2.5
A
-12V (A)
0.3
A
0.3
A
0.3
A
Coolin
g
Solution
Fanless mode
No No No
Load for fan to turn on (%)
N/
A
N/
A
N/
A
Fan bearing technology
Sleeve Sleeve Sleeve
Fan size (mm)
120mm 120mm 120mm
Max. fan speed (rpm)
1,771 1,985 1,540
dB(A) at 20% load (6 dB(A) noise floor)
21.3 20.1 18.5
dB(A) at 50% load
21.7 20.4 18.4
dB(A) at 100% load
37.2 36.1 30.9
Protections & safet
y
certification
s
OCP (over current protection) Yes Yes Yes
OVP (over voltage protection) Yes Yes Yes
UVP (under voltage protection) Yes Yes Yes
SCP (short circuit protection) Yes Yes Yes
OTP (over temperature protection) Yes Yes Yes
OPP (over power protection) Yes Yes Yes
CE Yes Yes Yes
CB Yes Yes Yes
TÜV Yes Yes Yes
FCC No No No
cUL No No No
cTÜVs No No No
CCC (China) Yes Yes Yes
BSMI (Taiwan) No No No
GOST-R (Russia) Yes Yes Yes
KC Mark (Korea) Yes Yes Yes
IRAM (Argentina) Yes Yes Yes
RCM (C-Tick, A-Tick, RCM) (Aus/NZ) No No No
Efficienc
y
80 PLUS certification level
N/
A
N/
A
N/
A
Efficiency (%) at 115V, 10% load**
N/
A
N/
A
N/
A
Efficiency (%) at 115V, 20% load**
N/
A
N/
A
N/
A
Efficiency (%) at 115V, 50% load**
N/
A
N/
A
N/
A
Efficiency (%) at 115V,100% load**
N/
A
N/
A
N/
A
Efficiency (%) at 230V, 10% load***
79.46% 76.84% 78.68%
Efficiency (%) at 230V, 20% load***
84.60% 83.31% 84.06%
Efficiency (%) at 230V, 50% load***
85.82% 85.45% 85.42%
Efficiency (%) at 230V,100% load***
82.66% 82.83% 82.70%
Power consumption in standby (W)
<0.45W <0.45W <0.45W
Energy Star
N/
A
N/
A
N/
A
ErP Lot 6 2013 2013 2013
WEEE Yes Yes Yes
RoHS Yes Yes Yes
DC Out
p
ut cables
Modular cable management None (fixed cables) None (fixed cables) None (fixed cables)
Sleeved cables Yes Yes Yes
Flat cables
No No No
No. of cables
666
Motherboard cable (20+4 pin)
111
Motherboard cable length (mm, +/- 10mm)
550mm 550mm 550mm
4+4-pin (CPU, works as either 4 or 8-pin)
111
CPU power cable length (mm, +/- 10mm)
550mm 550mm 550mm
PCIe 6+2 pin (GPU)
221
PCIe power cable length (mm, +/- 10mm)
450mm 450mm 450mm
4-pin Peripheral power connector ("Molex", HDD)
443
SATA 5-pin connector
332
Floppy power
111
Multi-GPU ready
Yes Yes No
Misc
Dimensions without cable (L x W x D), (mm) 140mm x 150mm x 86mm 140mm x 150mm x 86mm 140mm x 150mm x 86mm
Color Black Black Black
Material Steel Steel Steel
Lo
g
istical data
Dimensions, package (L x W x D), (mm)
268 x 98 x 190 268 x 98 x 190 268 x 98 x 190
Gross weight, package (kg)
2.15 2.15 2.15
Pieces per packaging unit
666
Dimensions, shipping box (L x W x D), (mm)
410 x 322 x 29
5
410 x 322 x 29
5
410 x 322 x 29
5
Gross weight, shipping box (kg)
13.6 13.6 13.6