Lenovo Global Technology ThinkSystem SD530 V3 SPECpower_ssj2008 = 12,775 overall ssj_ops/watt
Test Sponsor: Lenovo Global Technology SPEC License #: 9017 Test Method: Multi Node
Tested By: Lenovo Global Technology Test Location: Beijing, China Test Date: Mar 23, 2026
Hardware Availability: Jan-2026 Software Availability: Nov-2025 Publication: Apr 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% 99.8% 34,869,954 2,378 14,663
90% 90.0% 31,442,641 2,217 14,183
80% 80.0% 27,922,929 1,849 15,105
70% 70.0% 24,455,543 1,577 15,509
60% 60.0% 20,938,300 1,379 15,180
50% 50.0% 17,456,556 1,245 14,023
40% 40.0% 13,958,483 1,122 12,440
30% 30.0% 10,472,038 1,006 10,410
20% 20.0% 6,986,904 896 7,794
10% 10.0% 3,494,237 776 4,504
Active Idle 0 584 0
∑ssj_ops / ∑power = 12,775
Graph of results
Aggregate SUT Data
# of Nodes # of Chips # of Cores # of Threads Total RAM (GB) # of OS Images # of JVM Instances
4 8 256 512 2,048 4 256
System Under Test
Shared Hardware
Shared Hardware
Enclosure: ThinkSystem SD530 V3
Form Factor: 2U
Power Supply Quantity and Rating (W): 2 x 2700
Power Supply Details: Lenovo P/N:4P57A87629
Network Switch: None
Network Switch Details: None
KVM Switch: None
KVM Switch Details: None
Other Hardware: None
Comment: None
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 4
Comment: 'SUT'
Hardware per Node
Hardware Vendor: Lenovo Global Technology
Model: ThinkSystem SD530 V3
Form Factor: 1U
CPU Name: Intel Xeon Gold 6538N
CPU Characteristics: 64 Core, 2.1GHz, 60MB L3 Cache
CPU Frequency (MHz): 2100
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chips
Primary Cache: 32 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 60 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32768 MB
Memory Details: 32GB 1Rx4 PC5-5600; slots 1 to 16 populated
Power Supply Quantity and Rating (W): None
Power Supply Details: Shared
Disk Drive: 1 x 960GB M.2 SSD P/N:4XB7B07589
Disk Controller: Integrated NVMe controller
# and type of Network Interface Cards (NICs) Installed: 1 x ThinkSystem 1GbE RJ45 4-port P/N:4XC7A08277
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 per Node
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:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:FreqInlineSize=2500 -XX:CompileThresholdScaling=210
JVM Affinity: start /NODE[0-3] /AFFINITY [0x3, 0xc, 0x30, 0xc0, 0x300, 0xc00, 0x3000, 0xc000, 0x30000, 0xc0000, 0x300000, 0xc00000, 0x3000000, 0xc000000, 0x30000000, 0xc0000000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: FNE128E
Management Firmware Version: USX3C2H
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 SR650
CPU Description: 2 x Intel Xeon Gold 5218
Memory amount (GB): 768
Software
Operating System (OS): Microsoft Windows Server 2019 DataCenter - Version 1809 (OS Build 17763.2268)
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: 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: 1.11.3-a7835373-20251015
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% 2,378 23.1
90% 2,217 23.0
80% 1,849 22.9
70% 1,577 22.9
60% 1,379 22.9
50% 1,245 22.9
40% 1,122 22.9
30% 1,006 22.9
20% 896 22.9
10% 776 22.9
Active Idle 584 22.9
Line Standard Minimum Temperature (°C) Elevation (m)
220V / 50 Hz / 1 phase / 2 wires 22.9 43
See the Power/Temperature Details Report for additional details.
Aggregate Performance Data
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     32,335,732
Calibration 2     34,784,039
Calibration 3     35,061,365
ssj_ops@calibrated=34,922,702
100% 99.8% 34,922,702 34,869,954
90% 90.0% 31,430,432 31,442,641
80% 80.0% 27,938,161 27,922,929
70% 70.0% 24,445,891 24,455,543
60% 60.0% 20,953,621 20,938,300
50% 50.0% 17,461,351 17,456,556
40% 40.0% 13,969,081 13,958,483
30% 30.0% 10,476,811 10,472,038
20% 20.0% 6,984,540 6,986,904
10% 10.0% 3,492,270 3,494,237
Active Idle   0 0
Graph of results
See the Aggregate Performance Report for additional details.