United States$5,000,000+
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Kevin OBrien
5
Performance focused Gen9 server delivered expected results.
823559-B21
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HPE ProLiant DL20 Gen9 E3-1240v5 8GB-U H240 4SFF Performance...
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823559-B21
- Description:
- HPE ProLiant DL20 Gen9 E3-1240v5 8GB-U H240 4SFF Performance Server
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823559-B21 Overview
823559-B21 is a high-performance rackmount server designed for modern data centers, offering support for Intel Xeon Scalable processors on an LGA 4189 socket with dual CPU scalability (2P). Engineered with ECC DDR4 memory supporting up to 1 TB through 16 DIMM slots, it provides expansion with 4 PCIe 4.0 slots, 8 storage bays with mixed 2.5-inch and 3.5-inch drive bay sizes, RAID 10 support, and 10GbE network connectivity through 4 LAN ports.
823559-B21 delivers robust performance optimized for virtualization, file serving, and application hosting, featuring redundant 1000W power supplies, active cooling, and integrated remote management via iDRAC. It supports major operating systems like Windows Server and is tailored for demanding enterprise applications in data center environments.
823559-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 823559-B21 for additional pricing. Browse the full Hpe Proliant Dl20 Gen9/10 Servers series or explore all Hpe products.
823559-B21 Specifications
- Width
- 17.5 inches
- Height
- 3.5 inches
- Weight
- 45 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
- Drive Bay Size
- Mixed
- Hot-Swap Support
- Yes
- PCIe Slots
- 4
- Network Interface
- 10GbE
- Remote Management
- iDRAC
- Power Supply
- Redundant
- Cooling
- Active
- Virtualization Ready
- Yes
- Processor Generation
- Xeon 3rd Gen
- Max RAM Capacity
- 1 TB
- Power Supply Wattage
- 1000W
- Operating System
- Windows Server
- GPU Support
- No
- Rail Kit Included
- No
- LAN Ports
- 4
- Storage Type
- Hybrid
- Depth
- 28.0 inches
- Product Name
- 823559-B21 Enterprise Rack Server
823559-B21 Use Case
Virtualization and Consolidation for SMB Infrastructure
Deploy the 823559-B21 HPE ProLiant DL20 Gen9 (E3-1240v5, 8GB-U, H240, 4SFF) as a VMware vSphere host to consolidate file, application and domain‐controller servers into virtual machines. This solution reduces hardware footprint by up to 70%, lowers energy and licensing costs, and delivers enterprise-grade availability with centralized management.
High-Performance SQL Database Hosting for E-Commerce Platforms
Use the 823559-B21 HPE ProLiant DL20 Gen9 (E3-1240v5, 8GB-U, H240, 4SFF) as a dedicated Microsoft SQL Server or MySQL host to accelerate transactional workloads for online retail. The Intel Xeon E3-1240v5 CPU and H240 RAID controller ensure sub-millisecond I/O latency, boosting order processing speed, improving customer experience, and maintaining 99.9% uptime during sales peaks.
Edge Computing and Remote Branch Consolidation
Implement the 823559-B21 HPE ProLiant DL20 Gen9 (E3-1240v5, 8GB-U, H240, 4SFF) at remote offices to run local file caching, backup services, and IoT data aggregation. This edge server minimizes WAN bandwidth usage by up to 60%, cuts network latency, and provides resilient on-site services with seamless integration into your central disaster-recovery plan.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 823559-B21 |  871428-B21 |  871429-B21 |  P06479-B21 |  823556-B21 | |
|---|---|---|---|---|---|
| CPU Socket | LGA 4189 | LGA 4189 | LGA 4189 | LGA 4189 | LGA 4189 |
| Cooling | Active | Active | Active | Active | Active |
| Depth | 28.0 inches | 28.0 inches | 28 inches | 28 inches | 28 inches |
| Drive Bay Size | Mixed | 2.5-inch | 3.5-inch | Mixed | 3.5-inch |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| GPU Support | No | No | No | 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 | 4 | 2 | 4 | 4 | 2 |
| Max Cores per CPU | 32 | 32 | 32 | 32 | 32 |
| Max RAM Capacity | 1 TB | 1 TB | 2 TB | 1 TB | 512 GB |
| 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 | Windows Server |
| PCIe Slots | 4 | 4 | 4 | 4 | 3 |
| 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 | 1000W | 750W | 800W | 1000W | 750W |
| Processor Brand | Intel | Intel | Intel | Intel | Intel |
| Processor Generation | Xeon 3rd Gen | Xeon 3rd 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 | 823559-B21 Enterprise Rack Server | Dell EMC PowerEdge 871428-B21 | 871429-B21 High Performance Rackmount Server | P06479-B21 | 823556-B21 Enterprise Server |
| Product Type | Server | Server | Server | Server | Server |
| RAID Support | RAID 10 | RAID 5 | RAID 10 | RAID 10 | RAID 10 |
| RAM Slots | 16 | 16 | 16 | 16 | 8 |
| RAM Type | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 |
| Rack Units | 2U | 2U | 2U | 2U | 2U |
| Rail Kit Included | No | Yes | Yes | Yes | N/A |
| Remote Management | iDRAC | iDRAC | iDRAC | iDRAC | iDRAC |
| Scalability | 2P | 2P | 2P | 2P | 2P |
| Storage Bays | 8 | 8 | 8 | 8 | 8 |
| Storage Type | Hybrid | SATA SSD | SATA SSD | NVMe SSD | SATA HDD |
| Use Case | Virtualization | Virtualization | Virtualization | Virtualization / File Server / Application Server | Virtualization / File Server / Application Server |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| Weight | 45 lbs | 45 lbs | 38 lbs | 50 lbs | 45 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches |
Reviews & Ratings
H
Hina Ashraf
4
Handles multitasking well.
C
Carlos Mendes
5
Reliable and responsive.
S
Saif Ullah
4
Good upgrade path.
M
Monica Ruiz
4
Solid enterprise quality.
Questions & Answers
What CPU does the HPE ProLiant DL20 Gen9 (SKU 823559-B21) use?
The server is powered by an Intel Xeon E3-1240 v5 quad-core processor clocked at 3.5 GHz with Turbo Boost up to 3.9 GHz.
How much memory is preinstalled and what is the maximum memory capacity?
It ships with 8 GB of DDR4 UDIMM and supports up to 64 GB across four DIMM slots.
What storage drives and bays are included in this configuration?
The DL20 Gen9 offers four SFF (2.5") drive bays preconfigured with an HPE Smart Array H240 controller.
Which RAID levels are supported by the H240 Smart Array controller?
The H240 supports RAID 0, 1, 10, and 5 for balanced performance, redundancy, and capacity.
What is the server’s form factor and rack height?
This is a 1U rack-mount server designed to fit standard 19" racks, occupying only one rack unit.
Which operating systems are validated on the DL20 Gen9 E3-1240v5?
HPE validates Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, and VMware ESXi.
Is the DL20 Gen9 suitable for virtualization workloads?
Yes, it is certified for VMware vSphere, Microsoft Hyper-V, and other popular hypervisors for efficient virtualization.
What onboard network interfaces does this server include?
It features two integrated 1 GbE ports with flexible LOM upgrade options for additional bandwidth.
How energy-efficient is the HPE ProLiant DL20 Gen9?
It incorporates an 80 PLUS Platinum power supply and dynamic power management to minimize energy consumption.
What remote management capabilities are available?
HPE Integrated Lights-Out (iLO 4) provides secure remote monitoring, management, and firmware updates.
Can I expand memory beyond the factory-installed 8 GB?
Yes, you can install up to four DDR4 UDIMMs for a total of 64 GB of memory.
What power supply options are supported?
The server supports a single non-hot-plug 350 W or optional 500 W non-hot-plug power supply.
What warranty and support services come with SKU 823559-B21?
It includes a standard one-year parts, labor, and on-site warranty with optional HPE Foundation Care upgrades.
Is the DL20 Gen9 ideal for small offices or enterprise data centers?
Its compact 1U design and balanced performance make it suitable for branch offices, small businesses, and dense data centers.
How do I monitor server health and receive alerts?
Use HPE iLO’s Active Health System and Scripting Toolkit for real-time monitoring and automated alerting.
What built-in security features are included?
The server offers Secure Boot, TPM 1.2, chassis intrusion detection, and iLO security controls for comprehensive protection.