PSU Class Heat dissipation—
maximum
Frequency Voltage Current
1100 W Mixed Mode
HVDC—for China and
Japan only
NA 4100 BTU/hr 200–380 V DC,
autoranging
6.4 A – 3.2 A
NOTE: Heat dissipation is calculated using the PSU wattage rating.
NOTE: This system is also designed to connect to the IT power systems with a phase-to-phase voltage not exceeding 230 V.
Chassis dimensions
Figure 14. Chassis dimensions for PowerEdge R640
Table 23. Dimensions
System Xa Xb Y Za—with bezel Za—without
bezel
Zb
*
Zc
4 x 3.5 inches
Or
482.0 mm
(18.97 inches)
434.0 mm
(17.08 inches)
42.8 mm
(1.68 inches)
35.84 mm
(1.41 inches)
22.0 mm
(0.87 inches)
733.82 mm
(29.61 inches)
772.67 mm
42 Appendix A. Additional specications
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