Lenovo Global Technology ThinkSystem ST45 V3 SPECpower_ssj2008 = 18,982 overall ssj_ops/watt
Test Sponsor: Lenovo Global Technology SPEC License #: 9017 Test Method: Single Node
Tested By: Lenovo Global Technology Test Location: Beijing, China Test Date: Nov 24, 2025
Hardware Availability: Nov-2025 Software Availability: Jun-2025 Publication: Jan 27, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Average Active Power (W) Minimum Ambient Temperature (°C)
Calibration 1 104 21.6
Calibration 2 105 21.6
Calibration 3 104 21.7
100% 104 21.8
90% 104 21.8
80% 103 21.8
70% 101 21.8
60% 86.9 21.8
50% 65.6 21.5
40% 55.1 21.4
30% 51.7 21.4
20% 49.8 21.6
10% 44.9 21.6
Active Idle 20.6 21.5
Graph of power and temperature
Measurement Devices
Power Analyzer pwr1
Hardware Vendor: YOKOGAWA, Inc.
Model: WT310E
Serial Number: C3SH31010E
Connectivity: USB
Input Connection: Default
Metrology Institute: China National Accreditation Service for Conformity Assessment (CNAS)
Accredited by: CHINA CEPREI LABORATORY CALIBRATION & TESTING CENTRB
Calibration Label: 1GA25011731-0002
Date of Calibration: 15-Sep-2025
PTDaemon Host System: same as CCS
PTDaemon Host OS: same as CCS
PTDaemon Version: 1.11.3-a7835373-20251015
Setup Description: Connected to PSU 1
Temperature Sensor temp1
Hardware Vendor: Digi International, Inc.
Model: Watchport/H
Driver Version: 5.70.105.0
Connectivity: USB
PTDaemon Host System: same as CCS
PTDaemon Host OS: same as CCS
Setup Description: 50 mm in front of SUT main intake
Notes
Power Details for Device pwr1
Target Load Voltage (V) Current (A) Avg Power Factor Avg Active Power (W) Power Measurement Uncertainty (%)
Avg Range Avg Range
Calibration 1 220 300.0 0.531 1.0 0.890 104 0.3%
Calibration 2 221 300.0 0.533 1.0 0.890 105 0.3%
Calibration 3 221 300.0 0.532 1.0 0.890 104 0.3%
100% 221 300.0 0.531 1.0 0.890 104 0.3%
90% 220 300.0 0.528 1.0 0.891 104 0.3%
80% 220 300.0 0.524 1.0 0.890 103 0.3%
70% 220 300.0 0.515 1.0 0.887 101 0.3%
60% 221 300.0 0.460 1.0 0.856 86.9 0.4%
50% 221 300.0 0.361 1.0 0.826 65.6 0.4%
40% 221 300.0 0.308 0.5 0.811 55.1 0.4%
30% 221 300.0 0.293 0.5 0.799 51.7 0.4%
20% 221 300.0 0.282 0.5 0.800 49.8 0.4%
10% 221 300.0 0.262 0.5 0.778 44.9 0.4%
Active Idle 221 300.0 0.167 0.5 0.557 20.6 0.6%
Power details for pwr1