Lenovo Global Technology Think System SR630 V4 SPECpower_ssj2008 = 26,585 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: Aug 14, 2026
Hardware Availability: Jul-2026 Software Availability: Jun-2024 Publication: Sep 8, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Performance Power Performance to Power Ratio
Target Load Actual Load ssj_ops Average Active Power (W)
100% 99.7% 18,703,087 601 31,142
90% 87.9% 16,487,555 488 33,809
80% 79.2% 14,856,440 437 33,989
70% 70.0% 13,121,548 398 32,976
60% 60.0% 11,258,060 361 31,199
50% 49.3% 9,249,266 324 28,510
40% 40.0% 7,504,252 302 24,855
30% 30.0% 5,632,067 280 20,140
20% 20.0% 3,750,166 254 14,742
10% 10.0% 1,875,958 225 8,341
Active Idle 0 184 0
∑ssj_ops / ∑power = 26,585
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: 'SUT'
Hardware
Hardware Vendor: Lenovo Global Technology
Model: Think System SR630 V4
Form Factor: 1U
CPU Name: Intel Xeon 6780E
CPU Characteristics: 144-Core, 2.20GHz, 108MB L3 Cache
CPU Frequency (MHz): 2200
CPU(s) Enabled: 288 cores, 2 chips, 144 cores/chip
Hardware Threads: 288 (1 / core)
CPU(s) Orderable: 1,2 chips
Primary Cache: 64 KB I + 32 KB D on chip per core
Secondary Cache: 4 MB I+D on chip per core
Tertiary Cache: 108 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 16 x 32GB 2Rx8 PC5-6400-R; slots 1, 3, 5, 7, 10, 12, 14, 16, 17, 19, 21, 23, 26, 28, 30 and 32 populated
Power Supply Quantity and Rating (W): 1 x 1300
Power Supply Details: Lenovo P/N:4P57A88621
Disk Drive: 1 x 960GB 2.5" NVMe SSD P/N:4XB7A93066
Disk Controller: Integrated NvMe controller
# and type of Network Interface Cards (NICs) Installed: 1 x ThinkSystem 10/25GbE 2-Port Ethernet Adapter P/N:4XC7A08238
NICs Enabled in Firmware / OS / Connected: 2/2/1
Network Speed (Mbit): 10000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Enabled (see SUT Notes)
Operating System (OS): Microsoft Windows Server 2022 Datacenter
OS Version: Version 21H2(OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Oracle Corporation
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.10+11-LTS-240, mixed mode, sharing), version 17.0.10
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:InlineSmallCode=1500 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:FreqInlineSize=2500 -XX:CompileThresholdScaling=210
JVM Affinity: start /NODE [0,1,2,3,4,5] /AFFINITY [0xF,0xF0,0xF00,0xF000,0xF0000,0xF00000,0xF000000,0xF0000000,0xF00000000,0xF000000000,0xF0000000000,0xF00000000000]
JVM Instances: 72
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: IHE120L
Management Firmware Version: IHX430Y
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: KB5068787
Boot Firmware Settings
Management Firmware Settings
None
System Under Test Notes
Controller System
Hardware
Hardware Vendor: Lenovo Global Technology
Model: Thinksystem SR665
CPU Description: 2 x AMD EPYC 7773X
Memory amount (GB): 512
Software
Operating System (OS): Microsoft Windows Server 2022 DataCenter - Version 21H2 (OS Build 20348.1249)
JVM Vendor: Oracle Corporation
JVM Version: Oracle Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode), version 1.7.0_80
CCS Version: 1.2.6
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: 1.11.4-5bcc369b-20260119
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
Aggregate Electrical and Environmental Data
Target Load Average Active Power (W) Minimum Ambient Temperature (°C)
100% 601 22.7
90% 488 22.6
80% 437 22.6
70% 398 22.9
60% 361 22.9
50% 324 23.0
40% 302 23.0
30% 280 22.9
20% 254 22.8
10% 225 22.6
Active Idle 184 22.7
Line Standard Minimum Temperature (°C) Elevation (m)
220V / 50 Hz / 1 phase / 2 wires 22.6 43
See the Power/Temperature Details Report for additional details.
Aggregate Performance Data
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     17,152,860
Calibration 2     18,789,291
Calibration 3     18,725,974
ssj_ops@calibrated=18,757,633
100% 99.7% 18,757,633 18,703,087
90% 87.9% 16,881,869 16,487,555
80% 79.2% 15,006,106 14,856,440
70% 70.0% 13,130,343 13,121,548
60% 60.0% 11,254,580 11,258,060
50% 49.3% 9,378,816 9,249,266
40% 40.0% 7,503,053 7,504,252
30% 30.0% 5,627,290 5,632,067
20% 20.0% 3,751,527 3,750,166
10% 10.0% 1,875,763 1,875,958
Active Idle   0 0
Graph of results
See the Host Performance Report for additional details.