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Hot-plug design simplified maintenance.
823402-B21
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HPE ML30 Gen9 Hot Plug 4LFF CTO Svr
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823402-B21
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- HPE ML30 Gen9 Hot Plug 4LFF CTO Svr
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823402-B21 Overview
823402-B21 is a high-performance enterprise rack server designed for data center environments requiring robust virtualization, file serving, and application hosting solutions. It supports Intel Xeon Scalable processors (Xeon 3rd Gen) on the LGA 4189 socket with 2P scalability, enabling efficient multi-core performance for demanding workloads.
The system is equipped with ECC DDR4 memory supporting up to 1 TB across 16 slots, offers 4 PCIe 4.0 expansion slots, and includes 8 hot-swap 3.5-inch SATA HDD bays with RAID 0, 1, 5, and 10 support. In addition, it features dual 1GbE network interfaces, redundant 750W power supplies, active cooling, and iDRAC remote management, and it is optimized for operating systems such as Windows Server, VMware ESXi, RHEL, and SUSE, making it ideal for data centers, virtualization, file serving, and application hosting.
823402-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 823402-B21 for additional pricing. Browse the full Hpe Proliant Ml30 Servers series or explore all Hpe products.
823402-B21 Specifications
- Width
- 17.5 inches
- Depth
- 28 inches
- Weight
- 65 lbs
- Height
- 3.4 inches
- Form Factor
- Rackmount
- RAID Support
- RAID 0 / RAID 1 / RAID 5 / RAID 10
- PCIe Version
- PCIe 4.0
- CPU Socket
- LGA 4189
- Product Type
- Server
- Rack Units
- 2U
- Processor Brand
- Intel
- Processor Series
- Intel Xeon Scalable
- Use Case
- Virtualization
- Scalability
- 2P
- Max Cores per CPU
- 32
- Max Threads per CPU
- 64
- RAM Type
- ECC DDR4
- RAM Slots
- 16
- Storage Type
- SATA HDD
- Storage Bays
- 8
- Hot-Swap Support
- Yes
- PCIe Slots
- 4
- LAN Ports
- 2
- Remote Management
- iDRAC
- Power Supply
- Redundant
- Cooling
- Active
- Virtualization Ready
- Yes
- GPU Support
- Yes
- Processor Generation
- Xeon 3rd Gen
- Max RAM Capacity
- 1 TB
- Drive Bay Size
- 3.5-inch
- Operating System
- Windows Server
- Network Interface
- 1GbE
- Power Supply Wattage
- 750W
- Rail Kit Included
- No
- Product Name
- 823402-B21 Enterprise Rack Server
823402-B21 Use Case
SMB Virtualization Consolidation with HPE ML30 Gen9
In a small-to-midsize business environment running VMware ESXi or Microsoft Hyper-V, the 823402-B21 HPE ML30 Gen9 Hot Plug 4LFF CTO Server consolidates up to 10 virtual machines—file servers, application servers, and test/dev environments—on a single, energy-efficient chassis. The server’s Intel Xeon E-2146G CPU, 64 GB DDR4 memory support, and hot-plug drive bays deliver high I/O throughput and zero-downtime maintenance. Outcome: Lower hardware footprint by 60%, slash operating costs by 30%, and accelerate VM deployment by 50% while ensuring enterprise-grade reliability.
Branch and Remote Office File & Backup Infrastructure
A distributed retail chain deploys the 823402-B21 HPE ML30 Gen9 server at each branch to centralize POS data, customer records, and daily backups. Equipped with four LFF hot-plug drive bays and RAID 5/6 support, it provides scalable on-site storage with seamless disk replacement and automated snapshot backups. Benefit: Achieve 99.99% data availability, reduce backup windows by 40%, and simplify IT management across 50+ locations with a single pane of glass.
Edge Computing and IoT Data Aggregation
In a smart manufacturing facility, the 823402-B21 HPE ML30 Gen9 serves as an edge node to collect, preprocess, and analyze sensor data from CNC machines and assembly lines. Its compact tower design, rich I/O ports, and enhanced security firmware enable real-time anomaly detection and local decision-making. Result: Cut data transmission latency by 70%, improve predictive maintenance accuracy by 35%, and maintain continuous operations even if connectivity to the central data center is lost.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 823402-B21 |  P06785-S01 |  P06781-001 |  P03705-S01 |  P06761-B21 | |
|---|---|---|---|---|---|
| CPU Socket | LGA 4189 | LGA 4677 | LGA 4189 | LGA 4189 | LGA 4189 |
| Cooling | Active | Active | Active | Active | Active |
| Depth | 28 inches | 28.50 inches | 28 inches | 28.0 inches | 28.7 inches |
| Drive Bay Size | 3.5-inch | 2.5-inch | 2.5-inch | 2.5-inch | 3.5-inch |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| GPU Support | Yes | Yes | Yes | Yes | Yes |
| Height | 3.4 inches | 3.44 inches | 3.5 inches | 3.5 inches | 3.5 inches |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| LAN Ports | 2 | 4 | 4 | 2 | 2 |
| Max Cores per CPU | 32 | 32 | 32 | 32 | 32 |
| Max RAM Capacity | 1 TB | 2 TB | 2 TB | 1 TB | 1 TB |
| Max Threads per CPU | 64 | 64 | 64 | 64 | 64 |
| Network Interface | 1GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| Operating System | Windows Server | VMware ESXi | Windows Server / VMware ESXi / Ubuntu | VMware ESXi | Windows Server |
| PCIe Slots | 4 | 4 | 4 | 4 | 4 |
| PCIe Version | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 750W | 1200W | 750W | 800W | 1000W |
| Processor Brand | Intel | Intel | Intel | Intel | Intel |
| Processor Generation | Xeon 3rd Gen | Xeon 4th Gen | Xeon 3rd Gen | Xeon 3rd Gen | Xeon 3rd Gen |
| Processor Series | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable |
| Product Name | 823402-B21 Enterprise Rack Server | P06785-S01 High Performance Data Center Server | P06781-001 High Performance Rackmount Server | P03705-S01 High Performance Data Center Server | P06761-B21 |
| Product Type | Server | Server | Server | Server | Server |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 10 | RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 10 | RAID 5 | RAID 0 / RAID 1 / RAID 5 / RAID 6 |
| RAM Slots | 16 | 16 | 16 | 8 | 16 |
| RAM Type | ECC DDR4 | ECC DDR5 | ECC DDR4 | ECC DDR4 | ECC DDR4 |
| Rack Units | 2U | 2U | 2U | 2U | 2U |
| Rail Kit Included | No | Yes | Yes | N/A | N/A |
| Remote Management | iDRAC | iDRAC | iDRAC | iDRAC | iDRAC |
| Scalability | 2P | 2P | 2P | 2P | 2P |
| Storage Bays | 8 | 8 | 8 | 8 | 8 |
| Storage Type | SATA HDD | NVMe SSD | SATA SSD | SATA SSD | SATA HDD |
| Use Case | Virtualization | Virtualization | Virtualization / File Server / Application Server | Virtualization / File Server / Application Server | Virtualization / File Server / Application Server |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| Weight | 65 lbs | 75 lbs | 50 lbs | 45 lbs | 50 lbs |
| Width | 17.5 inches | 17.32 inches | 19 inches | 17.0 inches | 17.2 inches |
Reviews & Ratings
I
Imran Calder
5
Reliable storage expansion.
P
Pavel Novak
5
Stable server base.
H
Hamza Kent
5
Good flexibility.
J
James Holloway
5
Enterprise-ready CTO server.
Questions & Answers
What is the HPE ML30 Gen9 Hot Plug 4LFF CTO Server (SKU: 823402-B21)?
The HPE ML30 Gen9 Hot Plug 4LFF CTO Server is a customizable tower server featuring four hot-pluggable large form-factor drive bays, Intel® Xeon® E3 family processor support, up to 64 GB DDR4 memory, and HPE Integrated Lights-Out management for versatile small-business and remote-office applications.
Which processors are supported by the ML30 Gen9 SKU 823402-B21?
It supports Intel® Xeon® E3-1200 v6 family processors up to 4 cores, plus compatible Intel® Core™ i3 and Pentium® CPUs, delivering scalable performance for office, web, and database workloads.
How much memory can the HPE ML30 Gen9 handle?
The server includes four DDR4 UDIMM slots supporting up to 64 GB of 2133 MT/s ECC memory, ensuring data integrity and responsive performance under mixed application loads.
What storage options are available on this server?
It offers four front-accessible hot-plug LFF (3.5") bays compatible with SATA or SAS HDDs and SSDs, allowing up to 24 TB of raw capacity and easy maintenance without downtime.
Which RAID controllers are compatible with HPE ML30 Gen9?
Compatible HPE Smart Array controllers include the B140i for basic RAID 0/1 and the P440ar for advanced RAID 0/1/5/6/10, providing flexible data protection and performance tuning.
How many expansion slots does the ML30 Gen9 have?
It features three PCIe 3.0 slots—one full-height x16 and two low-profile x8—enabling additional network cards, storage controllers, or accelerators for future growth.
What networking capabilities are integrated?
The server comes standard with four embedded 1 GbE LAN ports and supports optional FlexibleLOM modules for 10 GbE or Fibre Channel connectivity to meet diverse network performance needs.
Does the HPE ML30 Gen9 include integrated management features?
Yes, it includes HPE Integrated Lights-Out (iLO 4) for remote monitoring, firmware updates, power management, and secure troubleshooting via web or scriptable interfaces.
What power supplies are available for this server?
The ML30 Gen9 ships with a 350 W fixed power supply and offers an optional 500 W Platinum efficiency (94% at 50% load) hot-plug power supply for redundancy and energy savings.
Which operating systems are supported on the ML30 Gen9?
Supported OS include Microsoft Windows Server 2016/2019, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi, and Citrix XenServer for versatile deployment options.
Can the ML30 Gen9 run virtualization workloads?
Yes, with support for VMware ESXi, Microsoft Hyper-V, and KVM, it efficiently hosts multiple virtual machines thanks to scalable CPU, memory, and network features.
What are the ideal use cases for this server?
Ideal for small to medium businesses and branch offices, it excels at file and print services, web hosting, databases, and virtualization by balancing performance, expandability, and cost.
How energy efficient is the HPE ML30 Gen9?
With HPE’s Sea of Sensors thermal design, optional Platinum power supplies, and optimized airflow, it delivers enterprise-class performance while reducing power consumption and cooling costs.
What warranty and support options come with SKU 823402-B21?
It includes a 3-year parts, 1-year labor, 1-year onsite warranty, which can be extended to 5 years with HPE Foundation Care or Proactive Care for enhanced coverage.
How do I configure additional storage drives?
Use the HPE Service Pack for ProLiant or the iLO interface to install hot-plug LFF drives into the front bays, then assign RAID levels via the Smart Array controller for immediate use.
How can I purchase or customize my HPE ML30 Gen9 server?
Contact an authorized HPE reseller or visit the HPE Configure-To-Order portal, select SKU 823402-B21, customize CPU, memory, storage, and support options, then complete your secure order online.