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819784-B21
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HPE DL20 Gen9 NHP 2LFF CTO Server
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819784-B21
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- HPE DL20 Gen9 NHP 2LFF CTO Server
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819784-B21 Overview
819784-B21 is a high-performance rackmount server that supports Intel Xeon Scalable processors with an LGA 4189 socket, offering 2P CPU scalability to handle demanding multi-threaded workloads. It features ECC DDR4 memory technology with a capacity of up to 1 TB across 8 slots, includes 4 PCIe 4.0 expansion slots, and provides eight 2.5-inch storage bays with RAID 5 support, ensuring robust and reliable data storage.
Designed for data center environments and optimized for virtualization, file serving, and application hosting, 819784-B21 comes equipped with dual 1GbE network interfaces, redundant 750W power supplies, and active cooling. With iDRAC remote management and compatibility with operating systems such as VMware ESXi, Windows Server, Ubuntu, and RHEL, this server meets the high availability and flexibility demands of modern enterprise IT deployments.
819784-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 819784-B21 for additional pricing. Browse the full Hpe Proliant Dl20 Gen9/10 Servers series or explore all Hpe products.
819784-B21 Specifications
- Depth
- 28 inches
- Width
- 19 inches
- Height
- 3.5 inches
- Weight
- 50 lbs
- Form Factor
- Rackmount
- 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
- 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
- Drive Bay Size
- 2.5-inch
- Operating System
- VMware ESXi
- Rail Kit Included
- Yes
- Max RAM Capacity
- 1 TB
- RAID Support
- RAID 5
- Network Interface
- 1GbE
- Power Supply Wattage
- 750W
- RAM Slots
- 8
- Storage Type
- NVMe SSD
- Product Name
- 819784-B21 Enterprise Rackmount Server
819784-B21 Use Case
Virtualization & Server Consolidation for SMBs
Scenario: A mid-sized professional services firm deploys the HPE 819784-B21 DL20 Gen9 NHP 2LFF CTO Server as its primary virtualization host, running VMware vSphere to consolidate four legacy physical servers. Outcome: Achieves 60% reduction in rack space and 45% lower power consumption, while boosting VM density by 3× and streamlining IT management with HPE OneView.
Edge Computing for Retail Point-of-Sale Acceleration
Scenario: A regional retail chain installs the HPE DL20 Gen9 NHP 2LFF CTO Server in 25 store locations to handle in-store analytics, real-time inventory updates, and PoS transaction processing. Outcome: Delivers sub-50ms response times, increases transaction throughput by 30%, and ensures 99.9% uptime with redundant storage and integrated health monitoring.
Automated Backup & Disaster Recovery with HPE StoreOnce
Scenario: An insurance company integrates the HPE 819784-B21 server with HPE StoreOnce Backup to automate nightly snapshots of mission-critical databases and virtual machines. Outcome: Reduces backup windows by 70%, restores full system state in under 15 minutes, and secures data through end-to-end encryption, meeting stringent compliance SLAs.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 819784-B21 |  819786-B21 |  829889-B21 |  P06963-B21 |  823556-B21 | |
|---|---|---|---|---|---|
| CPU Socket | LGA 4189 | LGA 4677 | LGA 4189 | LGA 4189 | LGA 4189 |
| Cooling | Active | Active | Active | Active | Active |
| Depth | 28 inches | 28 inches | 28 inches | 28.0 inches | 28 inches |
| Drive Bay Size | 2.5-inch | 2.5-inch | Mixed | 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 | 4 | 4 | 4 | 2 |
| Max Cores per CPU | 32 | 32 | 32 | 32 | 32 |
| Max RAM Capacity | 1 TB | 1 TB | 2 TB | 2 TB | 512 GB |
| Max Threads per CPU | 64 | 64 | 64 | 64 | 64 |
| Network Interface | 1GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| Operating System | VMware ESXi | VMware ESXi | 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 | 750W | 1200W | 1000W | 1000W | 750W |
| Processor Brand | Intel | Intel | Intel | Intel | Intel |
| Processor Generation | Xeon 3rd Gen | Xeon 4th Gen | Xeon 4th 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 | 819784-B21 Enterprise Rackmount Server | 819786-B21 Enterprise Rack Server | 829889-B21 Enterprise Rack Server | P06963-B21 Enterprise Server | 823556-B21 Enterprise Server |
| Product Type | Server | Server | Server | Server | Server |
| RAID Support | RAID 5 | RAID 10 | RAID 10 | RAID 5 | RAID 10 |
| RAM Slots | 8 | 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 | Yes | N/A | Yes | No | N/A |
| Remote Management | iDRAC | iDRAC | iDRAC | iDRAC | iDRAC |
| Scalability | 2P | 2P | 2P | 2P | 2P |
| Storage Bays | 8 | 8 | 8 | 12 | 8 |
| Storage Type | NVMe SSD | SATA SSD | NVMe SSD | SATA HDD | SATA HDD |
| Use Case | Virtualization | Virtualization | Virtualization | Virtualization | Virtualization / File Server / Application Server |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| Weight | 50 lbs | 45 lbs | 45 lbs | 45 lbs | 45 lbs |
| Width | 19 inches | 17.2 inches | 17 inches | 17.2 inches | 17.5 inches |
Reviews & Ratings
N
Nadia Farooq
5
Smooth deployment with predictable performance.
S
Stefan Muller
4
Good platform for customization.
B
Bilal Ahmed
5
Stable and efficient under light workloads.
E
Emily Turner
4
Reliable ProLiant quality.
Questions & Answers
What is the HPE DL20 Gen9 NHP 2LFF CTO Server (SKU: 819784-B21)?
The HPE DL20 Gen9 NHP 2LFF CTO Server is a 1U rack-optimized, configured-to-order tower server offering two non-hot-plug LFF drive bays, Intel® Xeon® processor support, and enterprise-grade reliability for small to mid-size deployments.
Which processors are compatible with the DL20 Gen9 NHP 2LFF CTO Server?
This server supports up to two Intel® Xeon® E3-1200 v5/v6 series processors, delivering up to four cores per CPU and up to 85W TDP for balanced performance and efficiency.
How much memory can I install in the HPE DL20 Gen9 NHP 2LFF CTO?
The system features four DDR4 UDIMM slots, supporting up to 64 GB of ECC memory at speeds up to 2400 MT/s for error-correcting stability and optimized multitasking.
What storage options does the DL20 Gen9 NHP 2LFF CTO Server offer?
It includes two non-hot-plug large-form-factor (3.5") drive bays, supporting up to 16 TB total SATA or SAS HDD/SSD storage, with optional AHS (Active Health System) and RAID controllers.
Is the DL20 Gen9 NHP 2LFF CTO Server suitable for virtualization?
Yes, with Intel® Hyper-Threading technology, up to 64 GB ECC memory, and optional RAID, it supports VMware®, Hyper-V®, and other hypervisors for light to moderate virtualization workloads.
What network connectivity is built into this server?
The server includes two embedded 1 GbE ports and optional FlexibleLOM or PCIe network adapters for 10/25/40 GbE, ensuring scalable bandwidth for diverse environments.
Which management tools are included with the DL20 Gen9 NHP 2LFF CTO?
HPE Integrated Lights-Out (iLO 4) provides remote management, automated monitoring, firmware updates, and RESTful API support for simplified IT operations and proactive maintenance.
What operating systems does the HPE DL20 Gen9 NHP 2LFF CTO Server support?
It is certified for Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi, and other popular distributions to ensure broad compatibility.
How energy efficient is the DL20 Gen9 NHP 2LFF CTO Server?
With 80 PLUS Platinum power supplies, dynamic power capping, and Intelligent System Tuning, it delivers up to 94% efficiency and reduces operating costs in 24x7 environments.
Can I customize the server configuration before purchase?
Yes, the CTO model allows selection of CPU, memory, storage, RAID controllers, and network adapters to match performance and budget requirements.
What are the physical dimensions and weight of this server?
The chassis measures 43.2 cm (W) x 49.3 cm (D) x 4.3 cm (H) and weighs approximately 7.5 kg (empty), fitting standard 1U rackmount installations.
What warranty and support options are available for SKU 819784-B21?
HPE offers a 3-year limited warranty with options to upgrade to HPE Foundation Care, Proactive Care, or Datacenter Care for enhanced response times and global coverage.
How do I install and set up the HPE DL20 Gen9 NHP 2LFF CTO Server?
Follow the Quick Setup Guide to rackmount, connect power/network cables, and configure iLO via your browser; the HPE Smart Update Manager simplifies firmware and driver installation.
What cooling features does the DL20 Gen9 NHP 2LFF server include?
It uses front-to-back airflow with redundant system fans and Intelligent System Tuning to optimize fan speeds based on workload and ambient temperature.
What typical applications is this server used for?
Ideal for remote/branch offices, file/print services, web hosting, small databases, and edge computing, it balances performance, reliability, and cost-efficiency.
How can I purchase genuine HPE spare parts for this server?
Order parts via the HPE Parts Store or authorized channel partners using the part number or serial number; HPE provides genuine replacement fans, drives, power supplies, and more.
Does the DL20 Gen9 NHP 2LFF CTO Server support RAID configurations?
Yes, it supports HPE Smart Array S100i (software RAID) and optional Smart Array P408i-a controllers for RAID 0/1/5/10/50/60 configurations.