Supermicro SuperServer AS-1115SV-WTNRT SPECpower_ssj2008 = 17,653 overall ssj_ops/watt
Test Sponsor: Supermicro SPEC License #: 1176 Test Method: Single Node
Tested By: Supermicro Test Location: San Jose, CA, USA Test Date: May 4, 2026
Hardware Availability: May-2026 Software Availability: May-2026 Publication: May 22, 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% 6,437,525 257 25,023
90% 90.1% 5,814,378 245 23,711
80% 80.0% 5,168,247 232 22,244
70% 70.0% 4,521,234 211 21,409
60% 60.0% 3,872,966 192 20,172
50% 50.0% 3,228,714 179 18,001
40% 40.0% 2,582,906 169 15,253
30% 29.9% 1,930,982 158 12,255
20% 20.0% 1,289,343 147 8,800
10% 10.1% 650,028 133 4,904
Active Idle 0 87.4 0
∑ssj_ops / ∑power = 17,653
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: None
Hardware
Hardware Vendor: Supermicro
Model: SuperServer AS-1115SV-WTNRT
Form Factor: 1U
CPU Name: AMD EPYC 8325P 2.7 GHz
CPU Characteristics: 32-Core, 2.7 GHz, 256MB L3 Cache
CPU Frequency (MHz): 2700
CPU(s) Enabled: 32 cores, 1 chip, 32 cores/chip
Hardware Threads: 64 (2 / core)
CPU(s) Orderable: 1 chip
Primary Cache: 32 KB I + 48 KB D on chip per core
Secondary Cache: 1 MB I+D on chip per core
Tertiary Cache: 256 MB I+D on chip per chip, 32 MB shared / 4 cores
Other Cache: None
Memory Amount (GB): 96
# and size of DIMM: 6 x 16 GB
Memory Details: 6 x 16GB 1Rx8 PC5-6400; CPU1 A1,B1,C1,D1,E1,F1 populated.
Power Supply Quantity and Rating (W): 1 x 860
Power Supply Details: P/N: PWS-861A-1R
Disk Drive: 1 x 1TB Samsung SSD 980 PRO
Disk Controller: Embedded SATA Controller
# and type of Network Interface Cards (NICs) Installed: 1 x Dual LAN BCM 57416 10GbE BaseT Ethernet Controller
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 20348.4529)
Filesystem: NTFS
JVM Vendor: OpenJDK
JVM Version: OpenJDK 64-Bit Server VM (build 17.0.18, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1450m -Xms1650m -Xmx1650m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=16
JVM Affinity: start/NODE[0,1,2,3,4,5,6,7] /AFFINITY [0x3, 0xC, 0x30, 0xC0]
JVM Instances: 32
JVM Initial Heap (MB): 1650
JVM Maximum Heap (MB): 1650
JVM Address Bits: 64
Boot Firmware Version: 2.0
Management Firmware Version: 01.08.04
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: KB5071547
Boot Firmware Settings
Management Firmware Settings
Fan Mode: Standard Speed
System Under Test Notes
Controller System
Hardware
Hardware Vendor: HP
Model: HP EliteBook 745 G6
CPU Description: AMD Ryzen 7 PRO 3700U
Memory amount (GB): 32
Software
Operating System (OS): Microsoft Windows Server 2019 Standard
JVM Vendor: OpenJDK
JVM Version: OpenJDK 64-Bit Server VM 18.9 (build 11.0.2+9, mixed mode)
CCS Version: 1.2.6
Measurement Devices
Power Analyzer pwr1
Hardware Vendor: YOKOGAWA, Inc.
Model: WT310E
Serial Number: C2ZG04126V
Connectivity: USB2
Input Connection: Default
Metrology Institute: NML (National Measurement Laboratory)
Accredited by: Omnio Calibration Lab. Co., Ltd.
Calibration Label: T120104
Date of Calibration: 02-Feb-2026
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: iButtonLink, Inc.
Model: LinkUSBi + T-Probe
Driver Version: FTDI USB Serial Device 1.0
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
None
Aggregate Electrical and Environmental Data
Target Load Average Active Power (W) Minimum Ambient Temperature (°C)
100% 257 20.2
90% 245 20.2
80% 232 20.2
70% 211 20.2
60% 192 20.2
50% 179 20.3
40% 169 20.2
30% 158 20.3
20% 147 20.4
10% 133 20.3
Active Idle 87.4 20.4
Line Standard Minimum Temperature (°C) Elevation (m)
208V / 60 Hz / 1 phase / 2 wires 20.2 132
Aggregate Performance Data
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     6,492,954
Calibration 2     6,451,377
Calibration 3     6,462,226
ssj_ops@calibrated=6,456,802
100% 99.7% 6,456,802 6,437,525
90% 90.1% 5,811,122 5,814,378
80% 80.0% 5,165,442 5,168,247
70% 70.0% 4,519,761 4,521,234
60% 60.0% 3,874,081 3,872,966
50% 50.0% 3,228,401 3,228,714
40% 40.0% 2,582,721 2,582,906
30% 29.9% 1,937,041 1,930,982
20% 20.0% 1,291,360 1,289,343
10% 10.1% 645,680 650,028
Active Idle   0 0
Graph of results