Lenovo Global Technology Think System SR650 V4 SPECpower_ssj2008 = 26,126 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: Jul 22, 2026
Hardware Availability: Jul-2026 Software Availability: Jun-2024 Publication: Aug 11, 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 1 880 21.3
Calibration 2 884 21.3
Calibration 3 886 21.3
100% 886 21.4
90% 828 21.4
80% 655 21.5
70% 571 21.4
60% 497 21.4
50% 443 21.6
40% 389 21.8
30% 349 21.9
20% 302 21.9
10% 252 21.9
Active Idle 198 21.9
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 4.01 20.0 0.998 880 0.5%
Calibration 2 220 300.0 4.03 20.0 0.998 884 0.5%
Calibration 3 220 300.0 4.04 20.0 0.998 886 0.5%
100% 220 300.0 4.04 20.0 0.998 886 0.5%
90% 220 300.0 3.77 20.0 0.998 828 0.5%
80% 220 300.0 2.99 10.0 0.996 655 0.4%
70% 220 300.0 2.61 10.0 0.994 571 0.4%
60% 220 300.0 2.28 10.0 0.992 497 0.4%
50% 220 300.0 2.03 10.0 0.991 443 0.5%
40% 220 300.0 1.79 10.0 0.988 389 0.5%
30% 220 300.0 1.61 10.0 0.985 349 0.6%
20% 220 300.0 1.40 10.0 0.981 302 0.6%
10% 220 300.0 1.17 5.0 0.972 252 0.4%
Active Idle 220 300.0 0.937 5.0 0.956 198 0.5%
Power details for pwr1