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Budget friendly entry server for basic operations.
829889-B21
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HPE ProLiant DL20 Gen9 G4400 4GB-U Non-hot Plug 2LFF Entry S...
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829889-B21
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- HPE ProLiant DL20 Gen9 G4400 4GB-U Non-hot Plug 2LFF Entry Server
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829889-B21 Overview
829889-B21 is a high-performance rackmount server engineered for enterprise environments. It supports Intel Xeon Scalable processors (Xeon 4th Gen) with an LGA 4189 socket and a 2P CPU scalability configuration. The system is equipped with ECC DDR4 memory across 16 slots that support up to 2 TB, four PCIe 4.0 expansion slots, and eight mixed drive bays (compatible with both 2.5-inch and 3.5-inch form factors). Additionally, it offers RAID 10 support for data redundancy, integrated 10GbE network interfaces with four LAN ports, redundant 1000W power supplies, active cooling, and iDRAC remote management.
The server is designed to run VMware ESXi and accommodates a variety of workloads, including data center operations, virtualization, file serving, and application hosting. Its robust build and comprehensive feature set make it a reliable choice for enterprises requiring scalable performance, efficient storage, and seamless remote management in mission-critical environments.
829889-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 829889-B21 for additional pricing. Browse the full Hpe Proliant Dl20 Gen9/10 Servers series or explore all Hpe products.
829889-B21 Specifications
- Depth
- 28 inches
- Width
- 17 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
- Processor Generation
- Xeon 4th Gen
- Use Case
- Virtualization
- Scalability
- 2P
- Max Cores per CPU
- 32
- Max Threads per CPU
- 64
- RAM Type
- ECC DDR4
- RAM Slots
- 16
- Max RAM Capacity
- 2 TB
- 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
- GPU Support
- Yes
- Operating System
- VMware ESXi
- Rail Kit Included
- Yes
- Power Supply Wattage
- 1000W
- LAN Ports
- 4
- Storage Type
- NVMe SSD
- Product Name
- 829889-B21 Enterprise Rack Server
829889-B21 Use Case
SMB Virtualization and Workload Consolidation
In small business IT infrastructures, the 829889-B21 HPE ProLiant DL20 Gen9 G4400 4GB-U Non-hot Plug 2LFF Entry Server hosts VMware ESXi with multiple virtual machines for domain control, file services and line-of-business applications. Benefits: Consolidates hardware footprint, reduces total cost of ownership (TCO) and streamlines IT management with enterprise-grade reliability.
Retail Edge Computing for Branch Operations
Deployed at remote retail sites, the 829889-B21 HPE ProLiant DL20 Gen9 G4400 4GB-U Non-hot Plug 2LFF Entry Server powers local POS terminals and inventory caching while leveraging its two LFF drive bays for high-speed SSD storage. Benefits: Achieves sub-50ms transaction response, maintains offline resilience and ensures real-time synchronization with central ERP systems.
CI/CD Build and Test Automation
Within DevOps pipelines, the 829889-B21 HPE ProLiant DL20 Gen9 G4400 4GB-U Non-hot Plug 2LFF Entry Server serves as a dedicated Jenkins and Docker build node, delivering parallel compilation and automated testing on reliable on-prem hardware. Benefits: Reduces pipeline runtimes by up to 30%, provides consistent build environments and maximizes developer productivity.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 829889-B21 |  823559-B21 |  823556-B21 |  819786-B21 |  P06478-B21 | |
|---|---|---|---|---|---|
| CPU Socket | LGA 4189 | LGA 4189 | LGA 4189 | LGA 4677 | LGA 4677 |
| Cooling | Active | Active | Active | Active | Active |
| Depth | 28 inches | 28.0 inches | 28 inches | 28 inches | 27 inches |
| Drive Bay Size | Mixed | Mixed | 3.5-inch | 2.5-inch | Mixed |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| GPU Support | Yes | No | 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 | 4 | 4 | 2 | 4 | 4 |
| Max Cores per CPU | 32 | 32 | 32 | 32 | 32 |
| Max RAM Capacity | 2 TB | 1 TB | 512 GB | 1 TB | 1 TB |
| Max Threads per CPU | 64 | 64 | 64 | 64 | 64 |
| Network Interface | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| Operating System | VMware ESXi | Windows Server | Windows Server | VMware ESXi | Windows Server / VMware ESXi |
| PCIe Slots | 4 | 4 | 3 | 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 | 1000W | 1000W | 750W | 1200W | 1000W |
| Processor Brand | Intel | Intel | Intel | Intel | Intel |
| Processor Generation | Xeon 4th Gen | Xeon 3rd Gen | Xeon 3rd Gen | Xeon 4th Gen | Xeon 4th Gen |
| Processor Series | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable |
| Product Name | 829889-B21 Enterprise Rack Server | 823559-B21 Enterprise Rack Server | 823556-B21 Enterprise Server | 819786-B21 Enterprise Rack Server | P06478-B21 Enterprise Rackmount Server |
| Product Type | Server | Server | Server | Server | Server |
| RAID Support | RAID 10 | RAID 10 | RAID 10 | RAID 10 | RAID 0/RAID 1/RAID 5/RAID 10 |
| RAM Slots | 16 | 16 | 8 | 16 | 8 |
| RAM Type | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 |
| Rack Units | 2U | 2U | 2U | 2U | 2U |
| Rail Kit Included | Yes | No | N/A | N/A | Yes |
| Remote Management | iDRAC | iDRAC | iDRAC | iDRAC | iDRAC |
| Scalability | 2P | 2P | 2P | 2P | 2P |
| Storage Bays | 8 | 8 | 8 | 8 | 8 |
| Storage Type | NVMe SSD | Hybrid | SATA HDD | SATA SSD | SATA SSD |
| Use Case | Virtualization | Virtualization | Virtualization / File Server / Application Server | Virtualization | Virtualization / File Server / Application Server |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| Weight | 45 lbs | 45 lbs | 45 lbs | 45 lbs | 60 lbs |
| Width | 17 inches | 17.5 inches | 17.5 inches | 17.2 inches | 19 inches |
Reviews & Ratings
A
Arooj Fatima
5
Low noise and power usage.
L
Lars Petersen
5
Stable platform.
N
Noman Akhtar
5
Good starter server.
E
Ella Robinson
4
Meets simple requirements well.
Questions & Answers
What are the key specifications of the HPE ProLiant DL20 Gen9 G4400 Entry Server?
The HPE ProLiant DL20 Gen9 G4400 Entry Server features an Intel Pentium G4400 3.3 GHz dual-core CPU, 4 GB DDR4-2133 MHz UDIMM, two non-hot-plug LFF drive bays, a 350 W non-redundant power supply, and HPE iLO 4 management.
Which processor does the HPE ProLiant DL20 Gen9 G4400 use?
This server is equipped with an Intel Pentium G4400 dual-core 3.3 GHz processor, providing reliable entry-level performance for general-purpose workloads.
How much memory comes installed and can I upgrade it?
It ships with 4 GB DDR4-2133 MHz unbuffered UDIMM. The system supports up to 64 GB across four UDIMM slots, allowing straightforward memory expansion.
What storage options are available on the DL20 Gen9 G4400?
The server offers two non-hot-plug 3.5″ LFF drive bays supporting SATA HDDs or SSDs. It includes an HPE Smart Array S100i controller for basic RAID-0/1 configurations.
Is hot-swap storage supported on this model?
No. The 2LFF drive bays on the 829889-B21 are non-hot-plug, requiring downtime to replace or upgrade drives.
What networking interfaces are included?
The DL20 Gen9 G4400 includes one embedded FlexibleLOM slot plus two integrated Gigabit Ethernet ports, providing versatile network connectivity out of the box.
Does the server include integrated management features?
Yes. HPE iLO 4 is integrated for remote console, firmware updates, real-time health monitoring, and power/thermals management.
What power supply does the HPE ProLiant DL20 Gen9 G4400 use?
It uses a single 350 W non-redundant, fixed-format power supply providing up to 90% efficiency and meets ErP Lot 6 power-saving requirements.
What operating systems are supported?
Supported OSes include Microsoft Windows Server 2012 R2, Windows Server 2016, select Red Hat Enterprise Linux and SUSE Linux Enterprise Server distributions.
Can I install VMware ESXi on this server?
Yes. VMware vSphere Hypervisor (ESXi) 6.x and 7.x are supported, with offline and online installation bundled via the HPE Custom Image.
What are the physical dimensions and form factor?
The DL20 Gen9 is a 1U, rack-mount server measuring 43.4 cm (W) x 48.2 cm (D) x 4.3 cm (H) and weighs approximately 6.8 kg.
Who is the ideal user for the DL20 Gen9 G4400 Entry Server?
This model is ideal for small businesses, remote offices, or branch deployments requiring compact, cost-effective infrastructure for file sharing, print, or light virtualization.
What warranty and service options are available?
It includes a standard one-year limited warranty with three-year parts, warranty service is downloadable via HPE Support Center; optional HPE Foundation Care and Proactive Care packages are available.
Can I upgrade the CPU on the HPE ProLiant DL20 Gen9?
Yes. The LGA1151 socket supports up to Intel Xeon E3-1200 v5/v6 series processors, offering higher core counts and performance when paired with appropriate thermal solutions.
Does the server support hardware RAID?
The embedded HPE Smart Array S100i provides software-enabled RAID-0 and RAID-1. For advanced RAID levels, you can install a dedicated Smart Array P series controller.
Is the HPE ProLiant DL20 Gen9 energy efficient?
Yes. It meets ENERGY STAR® standards and ErP Lot 6 requirements, and its 350 W power supply achieves up to 90% efficiency under typical loads.