Technical Guide

Table Of Contents
Figure 29. Internal USB
The size of the internal USB card dongle is 40 x 16 x 8 mm (L x W x H).
PSU rating
Table 27. PSUs Highline and Lowline ratings
600 W
Platinum
800 W
Platinum
1100 W Titanium DC 1100 W 1400 W Platinum
Peak Power
(Highline/-72VD
C)
600 W 1360 W 1100 W Titanium 1100 W 1400 W
Peak Power
(Lowline/-40
VDC)
600 W 1360 W 1050 W 1100 W 1050 W
Highline 240
VDC
600 W 800 W 1100 W N/A 1400 W
Highline
200-380 VDC
N/A N/A N/A N/A N/A
DC -48-60 V N/A N/A N/A 1100 W N/A
The PowerEdge R650xs supports up to 2 AC or DC power supplies with 1+1 redundancy, autosensing and auto-switching
capability.
If two PSUs are present during POST, a comparison is made between the wattage capacities of the PSUs. In the event that the
PSU wattages don't match, the larger of the two PSU's is enabled. Also, there is a PSU mismatch warning displayed in BIOS,
iDRAC or on the System LCD.
If a second PSU is added at run-time, in order for that particular PSU to be enabled, the wattage capacity of the first PSU must
equal the second PSU. Otherwise, the PSU will be flagged as unmatched in iDRAC and the second PSU will not be enabled.
Dell PSUs have achieved Platinum efficiency levels as shown in the table below.
Table 28. PSU efficiency levels
Efficiency Targets by Load
Form factor Output Class 10% 20% 50% 100%
Redundant 60
mm
600 W AC Platinum 89.00% 93.00% 94.00% 91.50%
800 W AC Platinum 89.00% 93.00% 94.00% 91.50%
1100 W AC Titanium 90.00% 94.00% 96.00% 91.50%
1100W DC N/A 85.00% 90.00% 92.00% 90.00%
1400 W AC Platinum 89.00% 93.00% 94.00% 91.50%
50 Appendix A: Additional specifications