Lenovo Global Technology ThinkSystem SR860 V4 SPECpower_ssj2008 = 21,969 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 25, 2025
Hardware Availability: Nov-2025 Software Availability: Jan-2024 Publication: Sep 9, 2025
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% 100.5% 43,075,060 1,575 27,357
90% 90.1% 38,608,216 1,440 26,820
80% 80.0% 34,294,367 1,314 26,100
70% 70.0% 30,012,083 1,197 25,069
60% 60.0% 25,735,542 1,080 23,829
50% 50.0% 21,445,742 961 22,318
40% 40.0% 17,136,860 841 20,378
30% 30.0% 12,847,157 732 17,545
20% 20.0% 8,579,034 641 13,385
10% 10.0% 4,293,589 555 7,739
Active Idle 0 409 0
∑ssj_ops / ∑power = 21,969
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: ThinkSystem SR860 V4
Form Factor: 4U
CPU Name: Intel Xeon 6788P 2.0 GHz
CPU Characteristics: 86 core, 2.0GHz, 336MB L3 Cache
CPU Frequency (MHz): 2000
CPU(s) Enabled: 344 cores, 4 chips, 86 cores/chip
Hardware Threads: 688 (2 / core)
CPU(s) Orderable: 1,2,3,4 chips
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 336 MB I+D off chip per chip
Other Cache: None
Memory Amount (GB): 1024
# and size of DIMM: 32 x 32 GB
Memory Details: 32 x 32GB 1Rx4 PC5-6400;slots 1, 3, 5, 7, 10, 12, 14, 16, 17, 19, 21, 23, 26, 28, 30, 32, 33, 35, 37, 39, 42, 44, 46, 48, 49, 51, 53, 55, 58, 60, 62 and 64 populated
Power Supply Quantity and Rating (W): 2 x 2700
Power Supply Details: Lenovo P/N:4P57A89308
Disk Drive: 1 x 480GB M.2 NVMe SSD P/N:4XB7A82636
Disk Controller: Integrated NVME controller
# and type of Network Interface Cards (NICs) Installed: 1 x ThinkSystem Broadcom 1GbE RJ45 4-port OCP P/N:7ZT7A00484
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
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 20348.2227)
Filesystem: NTFS
JVM Vendor: Oracle Corporation
JVM Version: Oracle 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:LargePageSizeInBytes=2m -XX:InlineSmallCode=1500 -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:MaxInlineSize=270 -XX:FreqInlineSize=2500
JVM Affinity: start /NODE[0,2,4,6,8,10,12,14] /AFFINITY [0xF, 0xF0, 0xF00, 0xF000, 0xF000, 0xF0000, 0xF00000, 0xF000000, 0xF0000000, 0xF00000000, 0xF000000000] start /NODE[1,3,5,7,9,11,13,15] /AFFINITY [0x3F, 0xFC0, 0x3F000, 0xFC0000, 0x3F000000, FC0000000, 0x3F000000000]
JVM Instances: 144
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: RVE103X
Management Firmware Version: IHX415V
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
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: C3UD17023E
Connectivity: USB
Input Connection: Default
Metrology Institute: China National Accreditation Service for Conformity Assessment (CNAS)
Accredited by: GRG METROLOGY & TEST (BEIJING) CO.,LTD.
Calibration Label: 1GA24011968-0002
Date of Calibration: 10-Oct-2024
PTDaemon Host System: same as CCS
PTDaemon Host OS: same as CCS
PTDaemon Version: 1.11.1-462c978e-20240907
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
Aggregate Electrical and Environmental Data
Target Load Average Active Power (W) Minimum Ambient Temperature (°C)
100% 1,575 21.4
90% 1,440 21.5
80% 1,314 21.5
70% 1,197 21.5
60% 1,080 21.4
50% 961 21.4
40% 841 21.3
30% 732 21.3
20% 641 21.4
10% 555 21.3
Active Idle 409 21.4
Line Standard Minimum Temperature (°C) Elevation (m)
220V / 50 Hz / 1 phase / 2 wires 21.3 43
See the Power/Temperature Details Report for additional details.
Aggregate Performance Data
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     35,797,234
Calibration 2     41,966,123
Calibration 3     43,779,008
ssj_ops@calibrated=42,872,566
100% 100.5% 42,872,566 43,075,060
90% 90.1% 38,585,309 38,608,216
80% 80.0% 34,298,053 34,294,367
70% 70.0% 30,010,796 30,012,083
60% 60.0% 25,723,539 25,735,542
50% 50.0% 21,436,283 21,445,742
40% 40.0% 17,149,026 17,136,860
30% 30.0% 12,861,770 12,847,157
20% 20.0% 8,574,513 8,579,034
10% 10.0% 4,287,257 4,293,589
Active Idle   0 0
Graph of results
See the Host Performance Report for additional details.