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SFF configuration fit compact environments.
823403-B21
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HPE ML30 Gen9 Hot Plug 8SFF CTO Svr
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823403-B21
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- HPE ML30 Gen9 Hot Plug 8SFF CTO Svr
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823403-B21 Overview
823403-B21 is a high-performance rackmount server designed for modern data center environments. It supports Intel Xeon Scalable processors with an LGA 4189 socket and is scalable for 2P configurations. The system is equipped with ECC DDR4 memory across 16 slots, supporting up to 1 TB of RAM. It offers four PCIe 4.0 expansion slots, eight 2.5-inch storage bays with hot-swap support and RAID 10 capabilities, and integrated 10GbE network interfaces.
823403-B21 features a redundant 750W power supply and active cooling for reliable, continuous operation. Remote management is enabled via iDRAC, and the server supports Windows Server among other operating systems. This server is optimized for typical use cases such as virtualization, file serving, and application hosting in demanding data center settings.
823403-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 823403-B21 for additional pricing. Browse the full Hpe Proliant Ml30 Servers series or explore all Hpe products.
823403-B21 Specifications
- Depth
- 28 inches
- Width
- 19 inches
- Height
- 3.5 inches
- Weight
- 50 lbs
- Form Factor
- Rackmount
- PCIe Version
- PCIe 4.0
- RAID Support
- RAID 10
- 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 Bays
- 8
- Hot-Swap Support
- Yes
- PCIe Slots
- 4
- Network Interface
- 10GbE
- LAN Ports
- 2
- Remote Management
- iDRAC
- Power Supply
- Redundant
- Cooling
- Active
- Virtualization Ready
- Yes
- GPU Support
- Yes
- Processor Generation
- Xeon 3rd Gen
- Drive Bay Size
- 2.5-inch
- Rail Kit Included
- Yes
- Max RAM Capacity
- 1 TB
- Operating System
- Windows Server
- Power Supply Wattage
- 750W
- Storage Type
- SATA SSD
- Product Name
- 823403-B21
823403-B21 Use Case
SMB Virtualization and Server Consolidation with HPE ML30 Gen9
In a small or medium business environment, IT teams deploy the 823403-B21 HPE ML30 Gen9 Hot Plug 8SFF CTO Server as a VMware ESXi or Microsoft Hyper-V host to run 8–12 virtual machines. With Intel® Xeon® E-2124 processors, ECC memory and an 8-bay hot-plug chassis, this solution delivers 50% lower rack-unit density and up to 35% power savings versus legacy towers. Benefit: consolidates disparate workloads onto a single, resilient platform, reducing capital and operational expenses while maintaining enterprise-grade uptime.
Enterprise Backup and Disaster Recovery Node
For branch offices or remote sites, organizations implement the 823403-B21 HPE ML30 Gen9 Hot Plug 8SFF CTO Server as a secondary backup repository with Veeam or Commvault. The server’s hot-swap SFF bays support rapid disk replacement, enabling continuous data protection with sub-15-minute RPOs. Benefit: ensures fast, reliable restores and near-zero downtime during drive failures, safeguarding business continuity with a compact footprint.
High-Performance Database and Web Application Hosting
E-commerce and SaaS providers leverage the HPE ML30 Gen9 823403-B21 server to host MySQL, PostgreSQL or Microsoft SQL workloads alongside NGINX/Apache. Equipped with up to 64 GB DDR4 ECC memory and PCIe SSD caching, the chassis delivers sustained 10,000+ IOPS and sub-10 ms query response times under peak load. Benefit: accelerates transaction processing and improves end-user experience, driving higher conversions and SLA compliance.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 823403-B21 |  P06789-S01 |  P06793-S01 |  P06785-AA1 |  823401-B21 | |
|---|---|---|---|---|---|
| CPU Socket | LGA 4189 | LGA 4189 | LGA 4189 | LGA 4189 | LGA 4189 |
| Cooling | Active | Active | Active | Active | Active |
| Depth | 28 inches | 28 inches | 28 inches | 28 inches | 28 inches |
| Drive Bay Size | 2.5-inch | 2.5-inch | 2.5-inch | 3.5-inch | 3.5-inch |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| GPU Support | Yes | Yes | Yes | Yes | Yes |
| Height | 3.5 inches | 3.5 inches | 3.5 inches | 3.5 inches | 3.5 inches |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| LAN Ports | 2 | 2 | 2 | 2 | 2 |
| Max Cores per CPU | 32 | 32 | 32 | 32 | 32 |
| Max RAM Capacity | 1 TB | 1 TB | 1 TB | 1 TB | 1 TB |
| Max Threads per CPU | 64 | 64 | 64 | 64 | 64 |
| Network Interface | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| Operating System | Windows Server | Windows Server | VMware ESXi | Windows Server | VMware ESXi |
| 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 | 1000W | 800W | 800W | 1000W |
| Processor Brand | Intel | Intel | Intel | Intel | Intel |
| Processor Generation | Xeon 3rd Gen | Xeon 4th Gen | Xeon 3rd Gen | Xeon 4th Gen | Xeon 3rd Gen |
| Processor Series | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable |
| Product Name | 823403-B21 | P06789-S01 Enterprise Rackmount Server | P06793-S01 Enterprise 2U Rack Server | P06785-AA1 High Performance Rackmount Server | 823401-B21 Enterprise Server |
| Product Type | Server | Server | Server | Server | Server |
| RAID Support | RAID 10 | RAID 0 / RAID 1 / RAID 10 | RAID 10 | RAID 10 | RAID 10 |
| RAM Slots | 16 | 16 | 8 | 16 | 16 |
| RAM Type | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 |
| Rack Units | 2U | 2U | 2U | 2U | 2U |
| Rail Kit Included | Yes | N/A | Yes | Yes | N/A |
| Remote Management | iDRAC | iDRAC | iDRAC | iDRAC | iDRAC |
| Scalability | 2P | 2P | 2P | 2P | 2P |
| Storage Bays | 8 | 6 | 8 | 8 | 8 |
| Storage Type | SATA SSD | SATA SSD | NVMe SSD | SATA SSD | SATA SSD |
| Use Case | Virtualization | Virtualization | Virtualization | Virtualization | Virtualization |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| Weight | 50 lbs | 45 lbs | 50 lbs | 60 lbs | 45 lbs |
| Width | 19 inches | 17.5 inches | 19 inches | 17.5 inches | 17.5 inches |
Reviews & Ratings
I
Imran Whitlock
4
Stable performance for lighter workloads.
A
Anton Bergstr'm
5
Reliable Gen9 server.
H
Hamid Preston
5
Easy deployment.
P
Paul Newman
4
Good small server option.
Questions & Answers
What are the key features of the HPE ML30 Gen9 (SKU 823403-B21)?
The HPE ML30 Gen9 (823403-B21) is an 8-SFF hot-plug CTO tower server with Intel Xeon E3-1200 v5/v6 support, up to 64 GB DDR4 ECC memory, HPE iLO management, and flexible PCIe expansion.
Which processors does the HPE ML30 Gen9 823403-B21 support?
It supports single Intel Xeon E3-1200 v5 and v6 series processors, delivering up to four cores, Hyper-Threading, and Intel Turbo Boost Technology for responsive performance.
How much memory can be installed in the HPE ML30 Gen9?
The server accommodates up to 64 GB of DDR4 ECC UDIMM (four DIMM slots), operating at 2133 MT/s, to ensure data integrity and reliable performance.
What storage drive options are available on the 823403-B21?
It offers eight SFF hot-plug drive bays compatible with SAS, SATA, or SSD drives, enabling up to 32 TB total capacity and flexible RAID configurations.
Does this server support hot-plug drives?
Yes, all eight SFF bays are hot-plug capable, allowing drives to be added or replaced without powering down, minimizing maintenance windows.
What networking connectivity does the HPE ML30 Gen9 provide?
The system includes two integrated Gigabit Ethernet ports and an optional FlexibleLOM slot for 1/10 GbE or converged networking, ensuring high throughput and reliability.
How many PCIe slots are included in the ML30 Gen9 CTO server?
It features one PCIe 3.0 x16 and two PCIe 3.0 x8 (open-ended) slots, supporting graphics, storage controllers, or network adapters for workload customization.
What power supply options are available?
The server ships with a 250 W non-redundant power supply and offers an optional 500 W efficiency-optimized unit, delivering energy-efficient operation with 80 PLUS Platinum certification.
Which management tools are integrated with the HPE ML30 Gen9?
It includes HPE Integrated Lights-Out (iLO 4) for remote monitoring, configuration, and firmware updates, plus HPE OneView support for advanced infrastructure automation.
Which operating systems are certified on this server?
HPE ML30 Gen9 is certified for Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, and VMware ESXi, ensuring broad application compatibility.
Is the ML30 Gen9 suitable for virtualization?
Yes, with support for up to 64 GB DDR4 and Intel VT-x/VT-d technologies, it can host multiple virtual machines for small to medium virtualization workloads.
What workloads is the HPE ML30 Gen9 ideal for?
It's designed for small business file/print, web hosting, remote office, and light database applications, offering balanced performance, storage flexibility, and easy management.
How energy efficient is the ML30 Gen9 server?
With 80 PLUS Platinum power supplies, DDR4 memory, and HPE Power Advisor guidance, it delivers up to 94% efficiency and reduced cooling costs.
What warranty and support options are available?
HPE provides a standard 3-year next-business-day onsite warranty, with optional HPE Foundation Care and Proactive Care plans for extended coverage and rapid response.
How do I configure and order the HPE ML30 Gen9 (823403-B21)?
Use the HPE Configure-To-Order (CTO) tool to select CPUs, memory, drives, and networking options, then order through an authorized HPE reseller or the HPE storefront.