Dell Inc. PowerEdge R7725 ssj_ops@100% = 513,285
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 19, 2025
Hardware Availability: Nov-2024 Software Availability: Jul-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     518,570
Calibration 2     514,975
Calibration 3     514,687
ssj_ops@calibrated=514,831
100% 99.7% 514,831 513,285
90% 90.4% 463,348 465,198
80% 79.8% 411,865 411,033
70% 70.3% 360,382 361,692
60% 59.9% 308,899 308,267
50% 49.9% 257,416 256,700
40% 39.8% 205,933 204,927
30% 30.0% 154,449 154,580
20% 20.2% 102,966 103,844
10% 10.0% 51,483 51,650
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R7725
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R7725
Form Factor: 2U
CPU Name: AMD EPYC 9355 3.55 GHz
CPU Characteristics: 32 core, 3.55 GHz, 256 MB L3 Cache, Max Boost Clock up to 4.4 GHz
CPU Frequency (MHz): 3550
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 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): 1536
# and size of DIMM: 24 x 64 GB
Memory Details: 64 GB 2Rx4 PC5-6400-R, Slots A1-12, B1-12 populated.
Power Supply Quantity and Rating (W): 2 x 3200
Power Supply Details: 2 x Delta 3200W Titanium Efficiency (DPN - J0KHH)
Disk Drive: 4 x 3.84 TB E3.S NVMe (DPN - 6RC59), 2 x 480 GB M.2 NVMe (DPN - 3JC4V)
Disk Controller: Onboard PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom 5719 Quad Port 1GbE LOM, 1 x Broadcom 57414 Dual Port 25GbE LOM
NICs Enabled in Firmware / OS / Connected: 6/6/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2025 Datacenter
OS Version: Version 24H2 (OS Build 26100.1)
Filesystem: NTFS
JVM Vendor: Oracle Corporation
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.16+12-LTS-247, mixed mode, sharing)
JVM Command-line Options: -server -Xms1500m -Xmx1500m -Xmn1300m -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:+UseBiasedLocking -XX:InlineSmallCode=1500 -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+OptimizeFill -XX:+AggressiveHeap
JVM Affinity: start /NODE [0-15] /AFFINITY [0xF,0xF0]
JVM Instances: 32
JVM Initial Heap (MB): 1500
JVM Maximum Heap (MB): 1500
JVM Address Bits: 64
Boot Firmware Version: 1.5.3
Management Firmware Version: 1.20.80.50 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 37,717,461 1,486
Payment 37,717,462
Order Status 3,771,746
Delivery 3,771,748
Stock Level 3,771,747
Customer Report 37,717,458
Calibration 2 New Order 37,454,195 1,486
Payment 37,454,197
Order Status 3,745,419
Delivery 3,745,423
Stock Level 3,745,420
Customer Report 37,454,201
Calibration 3 New Order 37,434,348 1,486
Payment 37,434,346
Order Status 3,743,434
Delivery 3,743,434
Stock Level 3,743,434
Customer Report 37,434,344
100% 99.7% New Order 37,330,862 1,486
Payment 37,330,862
Order Status 3,733,086
Delivery 3,733,086
Stock Level 3,733,088
Customer Report 37,330,859
90% 90.4% New Order 33,832,583 1,486
Payment 33,832,593
Order Status 3,383,258
Delivery 3,383,259
Stock Level 3,383,262
Customer Report 33,832,589
80% 79.8% New Order 29,893,487 1,486
Payment 29,893,486
Order Status 2,989,348
Delivery 2,989,348
Stock Level 2,989,350
Customer Report 29,893,490
70% 70.3% New Order 26,305,974 1,486
Payment 26,305,981
Order Status 2,630,597
Delivery 2,630,598
Stock Level 2,630,599
Customer Report 26,305,975
60% 59.9% New Order 22,419,626 1,486
Payment 22,419,625
Order Status 2,241,963
Delivery 2,241,962
Stock Level 2,241,963
Customer Report 22,419,629
50% 49.9% New Order 18,669,402 1,486
Payment 18,669,407
Order Status 1,866,940
Delivery 1,866,941
Stock Level 1,866,941
Customer Report 18,669,406
40% 39.8% New Order 14,904,120 1,486
Payment 14,904,123
Order Status 1,490,414
Delivery 1,490,412
Stock Level 1,490,411
Customer Report 14,904,119
30% 30.0% New Order 11,242,725 1,486
Payment 11,242,728
Order Status 1,124,272
Delivery 1,124,274
Stock Level 1,124,273
Customer Report 11,242,729
20% 20.2% New Order 7,552,622 1,486
Payment 7,552,614
Order Status 755,261
Delivery 755,262
Stock Level 755,262
Customer Report 7,552,620
10% 10.0% New Order 3,756,366 1,486
Payment 3,756,360
Order Status 375,638
Delivery 375,637
Stock Level 375,638
Customer Report 3,756,361
Active Idle New Order 0 1,486
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0