Lenovo ThinkSystem SR645 Maintenance Manual page 17

Table 1. Server specifications (continued)
Specification
Electrical input
Environment
Description
One or two hot-swap power supplies for redundancy support:
Table 2. Electrical input for power supplies
Power supply
500-watt 80 PLUS
Platinum
750-watt 80 PLUS
Platinum
750-watt 80 PLUS
Titanium
1100-watt 80 PLUS
Platinum
1100-watt 80 PLUS
Platinum
1800-watt 80 PLUS
Platinum
CAUTION:
• 240 V dc input (input range: 180-300 V dc) is supported in Chinese Mainland
ONLY.
• Power supply with 240 V dc input cannot support hot plugging power cord
function. Before removing the power supply with dc input, please turn off
server or disconnect dc power sources at the breaker panel or by turning off
the power source. Then, remove the power cord.
Your server complies with ASHRAE class A2 specifications. Depending on the
hardware configuration, some server models comply with ASHRAE class A3 and
class A4 specifications, see .
100–127 V 200–240 V
ac ac
√ √
√ √
√
√ √
√
240 V dc -48 V dc
√
√
√
√
√
√
.
Chapter 1 Introduction
7