Lenovo Global Technology Think System SR650 V4 SPECpower_ssj2008 = 26,777 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: Jun 4, 2026
Hardware Availability: Mar-2026 Software Availability: Nov-2025 Publication: Jun 30, 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 1 694 21.9
Calibration 2 700 22.0
Calibration 3 698 22.2
100% 698 22.2
90% 611 22.1
80% 560 22.0
70% 520 21.8
60% 461 21.8
50% 417 21.8
40% 375 21.8
30% 338 21.9
20% 298 21.9
10% 252 21.9
Active Idle 162 21.8
Graph of power and temperature
Measurement Devices
Power Analyzer pwr1
Hardware Vendor: YOKOGAWA, Inc.
Model: WT310E
Serial Number: C3UG05013E
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: 1GA25011731-0007
Date of Calibration: 19-Sep-2025
PTDaemon Host System: same as CCS
PTDaemon Host OS: same as CCS
PTDaemon Version: 1.11.4-5bcc369b-20260119
Setup Description: Connected to PSU 1 PSU 2
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 3.20 20.0 0.985 694 0.6%
Calibration 2 220 300.0 3.23 20.0 0.985 700 0.6%
Calibration 3 220 300.0 3.22 20.0 0.986 698 0.6%
100% 220 300.0 3.22 20.0 0.986 698 0.6%
90% 220 300.0 2.82 10.0 0.984 611 0.4%
80% 220 300.0 2.59 10.0 0.983 560 0.4%
70% 220 300.0 2.41 10.0 0.981 520 0.4%
60% 220 300.0 2.15 10.0 0.976 461 0.5%
50% 220 300.0 1.95 10.0 0.973 417 0.5%
40% 220 300.0 1.76 10.0 0.969 375 0.5%
30% 220 300.0 1.59 10.0 0.963 338 0.6%
20% 220 300.0 1.42 5.0 0.954 298 0.4%
10% 220 300.0 1.22 5.0 0.938 252 0.5%
Active Idle 221 300.0 0.848 5.0 0.867 162 0.6%
Power details for pwr1