Kaytus Systems Pte. Ltd. KR2280V3 SPECpower_ssj2008 = 22,130 overall ssj_ops/watt
Test Sponsor: Kaytus Systems Pte. Ltd. SPEC License #: 6865 Test Method: Single Node
Tested By: Kaytus Systems Pte. Ltd. Test Location: Gateway West, Singapore Test Date: Nov 17, 2025
Hardware Availability: Sep-2025 Software Availability: Sep-2025 Publication: Dec 16, 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% 100.0% 30,861,331 1,200 25,728
90% 91.7% 28,295,610 1,070 26,454
80% 80.3% 24,765,846 945 26,203
70% 69.6% 21,481,901 839 25,593
60% 59.9% 18,471,686 763 24,196
50% 50.0% 15,438,214 686 22,513
40% 40.1% 12,380,204 597 20,727
30% 30.0% 9,255,021 505 18,320
20% 20.0% 6,168,160 425 14,510
10% 10.0% 3,091,054 360 8,578
Active Idle 0 301 0
∑ssj_ops / ∑power = 22,130
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: Kaytus Systems Pte. Ltd.
Model: KR2280V3
Form Factor: 2U
CPU Name: Intel Xeon 6980P
CPU Characteristics: 128-Core, 2.00GHz, Intel Turbo Boost Technology up to 3.90GHz, 504 MB L3 Cache
CPU Frequency (MHz): 2000
CPU(s) Enabled: 256 cores, 2 chips, 128 cores/chip
Hardware Threads: 512 (2 / core)
CPU(s) Orderable: 1,2 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: 504 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 768
# and size of DIMM: 24 x 32 GB
Memory Details: 24 x SA_32G_DDR5-6400ER_2R8_A20F, Kaytus P/N:0001120;slots CPU0_C0D0,CPU0_C1D0, CPU0_C2D0, CPU0_C3D0, CPU0_C4D0, CPU0_C5D0, CPU0_C6D0, CPU0_C7D0, CPU1_C0D0,CPU1_C1D0, CPU1_C2D0, CPU1_C3D0, CPU1_C4D0, CPU1_C5D0, CPU1_C6D0, CPU1_C7D0 populated
Power Supply Quantity and Rating (W): 1 x 1600
Power Supply Details: 1 x 1600W LITEON_M_PS-2162-15L1_1600_P
Disk Drive: 1 x 3.84 TB NVME Intel_P5510_SSDPF2KX038TZ
Disk Controller: Integrated NVME controller
# and type of Network Interface Cards (NICs) Installed: 1 x Dual-port Intel I350 Gigabit Ethernet controller
NICs Enabled in Firmware / OS / Connected: 2/2/1
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): Windows Server 2022 Datacenter
OS Version: Version 21H2(OS Build 20348.1251)
Filesystem: NTFS
JVM Vendor: Oracle Corporation
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 25+37-LTS-3491, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:MaxInlineSize=270 -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900
JVM Affinity: start /NODE [0,2,6,8] /AFFINITY [0x3, 0xC, 0x30, 0xC0, 0x300, 0xC00, 0x3000, 0xC000, 0x30000, 0xC0000, 0x300000, 0xC00000, 0x3000000, 0xC000000, 0x30000000, 0xC0000000, 0x300000000, 0xC00000000, 0x3000000000, 0xC000000000, 0x30000000000, 0xC0000000000];/NODE [1,3,4,5,7,9,10,11] /AFFINITY [0x3, 0xC, 0x30, 0xC0, 0x300, 0xC00, 0x3000, 0xC000, 0x30000, 0xC0000, 0x300000, 0xC00000, 0x3000000, 0xC000000, 0x30000000, 0xC0000000, 0x300000000, 0xC00000000, 0x3000000000, 0xC000000000, 0x30000000000]
JVM Instances: 256
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 03.07.01
Management Firmware Version: 4.33.02
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: Kaytus Systems Pte. Ltd.
Model: Kaytus KR2280V2
CPU Description: Intel Xeon Silver 4514Y
Memory amount (GB): 256
Software
Operating System (OS): Windows Server 2019
JVM Vendor: Oracle Corporation
JVM Version: Oracle Java HotSpot(TM) 64-Bit Server VM (build 17.0.11+7-LTS-207,mixed mode)
CCS Version: 1.2.6
Measurement Devices
Power Analyzer pwr1
Hardware Vendor: Yokogawa Meters and Instruments Corporation
Model: WT500
Serial Number: C2YA10071V
Connectivity: RS-232
Input Connection: Default
Metrology Institute: CNAS
Accredited by: Calibration and Testing Center of CEPREI
Calibration Label: J202505146784N-0008
Date of Calibration: 19-Jul-2025
PTDaemon Host System: same as CCS
PTDaemon Host OS: same as CCS
PTDaemon Version: 1.11.1-462c978e-20240907
Setup Description: Connected to PSU 0
Temperature Sensor temp1
Hardware Vendor: Digi
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: placed in front the SUT less than 50mm.
Notes
None
Aggregate Electrical and Environmental Data
Target Load Average Active Power (W) Minimum Ambient Temperature (°C)
100% 1,200 27.6
90% 1,070 27.9
80% 945 28.2
70% 839 28.1
60% 763 28.1
50% 686 27.8
40% 597 27.5
30% 505 27.4
20% 425 27.2
10% 360 26.9
Active Idle 301 26.7
Line Standard Minimum Temperature (°C) Elevation (m)
230V / 50 Hz / 1 phase / 2 wires 26.7 15
Aggregate Performance Data
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     30,960,701
Calibration 2     30,831,604
Calibration 3     30,872,152
ssj_ops@calibrated=30,851,878
100% 100.0% 30,851,878 30,861,331
90% 91.7% 27,766,690 28,295,610
80% 80.3% 24,681,503 24,765,846
70% 69.6% 21,596,315 21,481,901
60% 59.9% 18,511,127 18,471,686
50% 50.0% 15,425,939 15,438,214
40% 40.1% 12,340,751 12,380,204
30% 30.0% 9,255,563 9,255,021
20% 20.0% 6,170,376 6,168,160
10% 10.0% 3,085,188 3,091,054
Active Idle   0 0
Graph of results