Lenovo Global Technology Think System SR665 V3 SPECpower_ssj2008 = 44,648 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: Feb 9, 2026
Hardware Availability: Jan-2026 Software Availability: Aug-2025 Publication: Mar 9, 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 1 733 23.9
Calibration 2 740 24.1
Calibration 3 738 24.0
100% 736 23.7
90% 620 23.8
80% 574 23.9
70% 533 24.1
60% 488 24.3
50% 442 24.4
40% 392 24.2
30% 340 24.1
20% 284 24.1
10% 227 24.1
Active Idle 109 24.2
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 CEPEREI LABORATORY CALIBRATION & TESTING CENTRE
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 1 219 300.0 3.38 10.0 0.990 733 0.3%
Calibration 2 219 300.0 3.41 10.0 0.990 740 0.3%
Calibration 3 219 300.0 3.40 10.0 0.990 738 0.3%
100% 219 300.0 3.39 10.0 0.989 736 0.3%
90% 219 300.0 2.87 10.0 0.986 620 0.4%
80% 219 300.0 2.66 10.0 0.984 574 0.4%
70% 219 300.0 2.48 5.0 0.982 533 0.3%
60% 220 300.0 2.27 5.0 0.979 488 0.3%
50% 220 300.0 2.06 5.0 0.976 442 0.3%
40% 220 300.0 1.83 5.0 0.973 392 0.3%
30% 220 300.0 1.60 5.0 0.968 340 0.4%
20% 220 300.0 1.35 5.0 0.959 284 0.4%
10% 220 300.0 1.08 5.0 0.952 227 0.5%
Active Idle 220 300.0 0.591 5.0 0.838 109 0.8%
Power details for pwr1