Testing
NesteQ EECS7001 700W PSU, 25% load
Voltage line |
Power load (amps) |
Voltage line |
Power load (amps) |
3,3V |
6A |
12V2 |
3A |
5V |
5A |
12V3 |
3A |
12V1 |
3A |
12V4 |
2A |
 |
 |
3.3V |
5V |
 |
 |
12V1 |
12V2 |
 |
 |
12V3 |
12V4 |
NesteQ EECS7001 700W PSU, 50% load
Voltage line |
Power load (amps) |
Voltage line |
Power load (amps) |
3,3V |
12A |
12V2 |
6A |
5V |
10A |
12V3 |
6A |
12V1 |
7A |
12V4 |
3A |
 |
 |
3.3V |
5V |
 |
 |
12V1 |
12V2 |
 |
 |
12V3 |
12V4 |
NesteQ EECS7001 700W PSU, 75% load
Voltage line |
Power load (amps) |
Voltage line |
Power load (amps) |
3,3V |
12A |
12V2 |
9A |
5V |
10A |
12V3 |
9A |
12V1 |
10A |
12V4 |
9A |
 |
 |
3.3V |
5V |
 |
 |
12V1 |
12V2 |
 |
 |
12V3 |
12V4 |
NesteQ EECS7001 700W PSU, 85% load (please read information at bottom of page for lack of 100% load testing)
Voltage line |
Power load (amps) |
Voltage line |
Power load (amps) |
3,3V |
12A |
12V2 |
10A |
5V |
15A |
12V3 |
10A |
12V1 |
10A |
12V4 |
10A |
 |
 |
3.3V |
5V |
 |
 |
12V1 |
12V2 |
 |
 |
12V3 |
12V4 |
NesteQ EECS7001 700W PSU, 30-85% load voltage regulation test
 |
 |
3.3V |
5V |
 |
 |
12V1 |
12V2 |
 |
 |
12V3 |
12V4 |
NesteQ EECS7001 700W PSU, efficiency graph
| Power load |
30% |
40% |
50% |
60% |
70% |
80% |
90% |
100% |
| Efficiency |
81% |
83% |
84% |
84% |
83% |
82% |
--- |
--- |
NesteQ EECS7001 700W PSU, thermal performance
| Load (%) |
25% |
50% |
75% |
85% |
| Intake temperature (Celsius) |
19.3 |
23.3 |
25.2 |
26.6 |
| Exhaust temperature (Celsius) |
25.7 |
31.7 |
37.2 |
39.2 |
The ECS7001 highly impressed us at first but during testing our optimism took a serious nosedive. The unit has marvelous electrical performance and the voltage regulation circuit is excellent, keeping the lines quite stable during extreme load shifts. Unfortunately at exactly 600W load, the ECS7001 shuts down, no damage occurs to the unit and there are no voltage spikes which could cause damage, however it is not often in our laboratories that we see a PSU simply switch itself off. We tried using more/less cables, forcefully cooling the unit and even a better AC power source but the result remained exactly the same. We can only hope this to be a faulty overload sense circuit, but it was a problem present on our unit nonetheless, Nesteq have failed to respond at time of press. We could test the unit only up to 595W load at which it worked fine for many hours without the slightest sign of strain.
The thermal performance of the unit is borderline acceptable. The ECS7001 is running cool, although there is a larger difference between the intake and exhaust temperature than we are used to when the load exceeds 50%, this is mainly because the massive 135mm fan does not appear to be speeding up much. Even at 75% load, we could barely hear the fan’s humming noise. Finally, the unit has a very steady and high efficiency, maintaining a 82-83% efficiency across its whole operational range.
