Lenovo Global Technology ThinkSystem ST45 V3 SPECpower_ssj2008 = 20,010 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 19, 2025
Hardware Availability: Nov-2025 Software Availability: Jan-2024 Publication: Dec 18, 2025
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 1 105 20.9
Calibration 2 104 20.9
Calibration 3 105 20.9
100% 105 20.9
90% 104 21.0
80% 103 21.2
70% 103 21.3
60% 70.1 21.4
50% 62.3 21.6
40% 56.8 21.6
30% 52.1 21.6
20% 49.7 21.6
10% 45.7 21.6
Active Idle 21.5 21.6
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 0.533 1.0 0.895 105 0.3%
Calibration 2 220 300.0 0.531 1.0 0.894 104 0.3%
Calibration 3 220 300.0 0.533 1.0 0.894 105 0.3%
100% 220 300.0 0.533 1.0 0.893 105 0.3%
90% 220 300.0 0.529 1.0 0.893 104 0.3%
80% 220 300.0 0.526 1.0 0.893 103 0.3%
70% 220 300.0 0.522 1.0 0.892 103 0.3%
60% 220 300.0 0.372 1.0 0.856 70.1 0.4%
50% 220 300.0 0.336 1.0 0.841 62.3 0.4%
40% 220 300.0 0.313 0.5 0.825 56.8 0.4%
30% 220 300.0 0.292 0.5 0.811 52.1 0.4%
20% 220 300.0 0.280 0.5 0.805 49.7 0.4%
10% 220 300.0 0.262 0.5 0.791 45.7 0.4%
Active Idle 220 300.0 0.169 0.5 0.576 21.5 0.6%
Power details for pwr1