SPECpower_ssj2008 Copyright (C) 2007-2026 Standard Performance Evaluation Corporation Lenovo Global Technology ThinkSystem SD530 V3 SPECpower_ssj2008 = 12,775 overall ssj_ops/watt Test Sponsor: Lenovo Global Technology SPEC License #: 9017 Tested By: Lenovo Global Technology Test Location: Beijing, China Test Date: Mar 23, 2026 Publication: Apr 8, 2026 Hardware Availability: Jan-2026 Software Availability: Nov-2025 Test Method: Multi Node 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 sum of ssj_ops / sum of power = | 12,775 Aggregate SUT Data # of Nodes | # of Chips | # of Cores | # of | Total RAM | # of OS Images | # of JVM | | | Threads | (GB) | | 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 2 x 2700 (W): 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 None (W): 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 1 x ThinkSystem 1GbE RJ45 4-port Cards (NICs) Installed: P/N:4XC7A08277 NICs Enabled in Firmware / OS / 4/4/1 Connected: 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 * Choose Operating Mode: Custom Mode * Hardware prefetcher: Disabled * Adjacent Cache Line Prefetch: Disabled * SRIOV: Disabled * SNC: SNC2 * DCU Streamer Prefetcher: Disable * CPU Frequency Limits: Restrict maximum frequency to 2.80Ghz * Memory Speed: Mimimal Power Management Firmware Settings None System Under Test Notes * Benchmark started via Windows Remote Desktop Connection * Using the local security settings console, "lock pages in memory" was enabled for the user running the benchmark * Balanced mode * Hard Disk set to turn off after 1 minute * Display set to turn off after 1 minute * Minimum processor state set to 0%. * Maximum processor state set to 100%. * Each JVM instance was bound to 2 logical processors * The system ROM used for this result contains Intel microcode version 00000000C0020021 for the Intel Xeon 6538N processor 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 * SPECpower_ssj.props input.load_level.number_warehouses set to 128 due to a known inconsistency in processor reporting with this Java version. Aggregate Electrical and Environmental Data Target Load | Average | Minimum | Active | Ambient | Power (W) | Temperature | | (Degrees 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 | Elevation (m) | Temperature | | (Degrees C) | ------------------------- | --------------- | --------------- 220V / 50 Hz / 1 phase / | 22.9 | 43 2 wires | | See the Power/Temperature Details Report (power_ssj2008-20260323-01558-power.txt) 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 See the Aggregate Performance Report (power_ssj2008-20260323-01558.sut.txt) for additional details. Copyright (C) 2007-2026 Standard Performance Evaluation Corporation http://www.spec.org - info@spec.org SPECpower_ssj2008 Reporter Version: [SSJ 1.2.10, May 9, 2012]