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823556-B21
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- HPE ProLiant DL20 Gen9 E3-1220v5 8GB-U B140i 2LFF Base Server
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823556-B21 Overview
823556-B21 is a high-performance rackmount server designed to support Intel Xeon Scalable processors (Xeon 3rd Gen) using the LGA 4189 socket, and it offers dual processor (2P) scalability. It features ECC DDR4 memory technology with a maximum capacity of 512 GB spread across 8 slots, 3 PCIe 4.0 expansion slots, and 8 drive bays for 3.5-inch SATA HDDs with RAID 10 support, making it ideal for data center, virtualization, file server, and application server deployments.
823556-B21 also comes equipped with dual-port 10GbE network interfaces, redundant 750W power supplies, and active cooling to ensure reliable operation under heavy workloads. For remote management, the server integrates iDRAC, and it supports multiple operating systems including Windows Server, RHEL, and Ubuntu to meet the diverse needs of modern enterprise environments.
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823556-B21 Specifications
| Product Type | Server |
| Form Factor | Rackmount |
| Rack Units | 2U |
| Processor Brand | Intel |
| Processor Series | Intel Xeon Scalable |
| Processor Generation | Xeon 3rd Gen |
| Use Case | Virtualization / File Server / Application Server |
| CPU Socket | LGA 4189 |
| Scalability | 2P |
| Max Cores Per CPU | 32 |
| Max Threads Per CPU | 64 |
| RAM Type | ECC DDR4 |
| RAM Slots | 8 |
| Max RAM Capacity | 512 GB |
| Storage Type | SATA HDD |
| Storage Bays | 8 |
| Drive Bay Size | 3.5-inch |
| Hot-Swap Support | Yes |
| RAID Support | RAID 10 |
| PCIe Slots | 3 |
| PCIe Version | PCIe 4.0 |
| Network Interface | 10GbE |
| LAN Ports | 2 |
| Remote Management | iDRAC |
| Power Supply | Redundant |
| Power Supply Wattage | 750W |
| Cooling | Active |
| Operating System | Windows Server |
| Virtualization Ready | Yes |
| GPU Support | Yes |
| Rail Kit Included | N/A |
| Product Name | 823556-B21 Enterprise Server |
| Height | 3.5 inches |
| Width | 17.5 inches |
| Depth | 28 inches |
| Weight | 45 lbs |
823556-B21 Use Case
Virtualization Host for SMB Application Consolidation
In a medium-sized financial services firm, the 823556-B21 HPE ProLiant DL20 Gen9 E3-1220v5 8GB-U B140i 2LFF Base Server runs VMware ESXi to consolidate five legacy application servers into isolated virtual machines. This configuration reduces rack space by 80%, cuts power consumption by 40%, and centralizes backup and patch management—delivering higher resource utilization, simplified IT operations, and a 30% reduction in total cost of ownership.
Edge Compute and Remote-Office Infrastructure
A retail chain deploys the 823556-B21 HPE ProLiant DL20 Gen9 E3-1220v5 8GB-U B140i 2LFF Base Server at 20 branch locations to host local file/print services, POS integration, and real-time inventory synchronization. With HPE iLO remote management and redundant B140i RAID capability, each site achieves 99.9% uptime, sub-second transaction processing, and centralized monitoring—ensuring consistent customer experience while minimizing on-site IT staffing.
Secure On-Premises Web and E-Commerce Hosting
An online retailer implements the 823556-B21 HPE ProLiant DL20 Gen9 E3-1220v5 8GB-U B140i 2LFF Base Server as a dedicated LAMP web server and MySQL database backend for its e-commerce platform. Leveraging the Intel Xeon E3-1220v5 processor and hardware-accelerated B140i RAID, the solution sustains 10,000 daily concurrent users, achieves page load times under 200 ms, and provides enterprise-grade security with SSL offload—driving a 25% increase in conversion rate and full PCI-DSS compliance.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Cooling | Active | Active | Active | Active | Active |
| CPU Socket | LGA 4189 | LGA 4677 | LGA 4189 | LGA 4189 | LGA 4677 |
| Depth | 28.5 inches | 28 inches | 28 inches | 28 inches | 27 inches |
| Drive Bay Size | Mixed | 2.5-inch | 3.5-inch | Mixed | Mixed |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| GPU Support | Yes | Yes | Yes | Yes | Yes |
| Height | 3.44 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 | 2 | 4 | 4 |
| Max Cores per CPU | 32 | 32 | 32 | 32 | 32 |
| Max RAM Capacity | 1 TB | 1 TB | 512 GB | 2 TB | 1 TB |
| Max Threads per CPU | 64 | 64 | 64 | 64 | 64 |
| Network Interface | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| Operating System | VMware ESXi | VMware ESXi | 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 | 750W | 1200W | 750W | 1000W | 1000W |
| Processor Brand | Intel | Intel | Intel | Intel | Intel |
| Processor Generation | Xeon 3rd Gen | Xeon 4th 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 | P17078-AA1 Enterprise Server | 819786-B21 Enterprise Rack Server | 823556-B21 Enterprise Server | 829889-B21 Enterprise Rack Server | P06478-B21 Enterprise Rackmount Server |
| Product Type | Server | Server | Server | Server | Server |
| Rack Units | 2U | 2U | 2U | 2U | 2U |
| RAID Support | RAID 10 | RAID 10 | RAID 10 | RAID 10 | RAID 0/RAID 1/RAID 5/RAID 10 |
| Rail Kit Included | Yes | N/A | N/A | Yes | Yes |
| RAM Slots | 16 | 16 | 8 | 16 | 8 |
| RAM Type | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 |
| 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 HDD | NVMe SSD | SATA SSD |
| Use Case | Virtualization / File Server / Application Server | 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 | 17.2 inches | 17.2 inches | 17.5 inches | 17 inches | 19 inches |
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Questions & Answers
Q
What are the key specifications of the HPE ProLiant DL20 Gen9 E3-1220v5 base server (SKU: 823556-B21)?
A
The DL20 Gen9 features an Intel Xeon E3-1220v5 3.0 GHz quad-core CPU, 8 GB DDR4 UDIMM, HPE B140i RAID, two LFF drive bays, dual 1 Gb Ethernet ports and iLO 4 remote management.
Q
How much memory does the HPE DL20 Gen9 include and what is the maximum supported capacity?
A
It ships with 8 GB DDR4 UDIMM (1×8 GB) and supports up to 64 GB across four DIMM slots, enabling flexible memory upgrades for demanding workloads.
Q
What storage options are available with the HPE B140i Smart Array controller?
A
The embedded HPE B140i supports SATA RAID 0/1/5/10 for up to two LFF or four SFF drives (with optional carrier), delivering basic hardware RAID functionality without an additional card.
Q
How many and what size drive bays does the DL20 Gen9 provide?
A
It includes two front-accessible 3.5″ LFF drive bays. You can install up to two 3.5″ SATA or SAS drives for high-capacity storage.
Q
What are the processor details of the Intel Xeon E3-1220v5 in this server?
A
The Intel Xeon E3-1220v5 runs at 3.0 GHz base frequency (3.5 GHz Turbo), with four cores, eight threads and a 8 MB SmartCache, optimized for entry-level server tasks.
Q
Which networking ports are built into the DL20 Gen9?
A
The server offers two embedded 1 GbE RJ-45 ports. An additional FlexibleLOM or PCIe network adapter can be added for higher bandwidth or redundancy.
Q
What remote management features are available with HPE iLO 4?
A
iLO 4 provides remote console, power control, firmware updates, health monitoring and virtual media support, all accessible via a dedicated management port or shared NIC.
Q
Which operating systems are supported on the HPE ProLiant DL20 Gen9?
A
Certified OS options include Windows Server 2016/2019, RHEL 7/8, SUSE Linux Enterprise Server 12/15 and VMware ESXi 6.x, ensuring broad compatibility for server deployments.
Q
Is the DL20 Gen9 suitable for virtualization workloads?
A
Yes. The quad-core Xeon E3-1220v5, up to 64 GB RAM and hardware RAID support make it ideal for small virtualization clusters and hyper-converged applications.
Q
What power efficiency features does the DL20 Gen9 offer?
A
It includes a 265 W non-redundant PSU, DDR4 memory, Intel’s advanced power management and HPE Smart Drivers for reduced energy consumption and lower operating costs.
Q
What PCIe expansion slots are available in this server?
A
The DL20 Gen9 provides one PCIe 3.0 x16 slot (low-profile), one PCIe 3.0 x8 slot (FHFL), and one OCP mezzanine slot for network or storage adapters.
Q
What is the maximum internal storage capacity with LFF drives?
A
Using two 3.5″ 8 TB SATA drives, you can achieve up to 16 TB of internal storage. Additional external or SAN storage can further expand capacity.
Q
What warranty and support options are available for SKU 823556-B21?
A
HPE includes a 3-year limited warranty with 24×7 phone support. You can upgrade to HPE Foundation Care or Proactive Care for higher SLAs and response times.
Q
Can I install additional RAM or storage drives myself?
A
Yes. The chassis supports tool-less access. You can add DDR4 UDIMMs and hot-plug drives into available bays without professional service.
Q
What typical use cases suit the ProLiant DL20 Gen9?
A
Ideal for remote/branch office, web hosting, file and print services, POS systems and light virtualization, offering a balance of performance, manageability and cost.
Q
Does the DL20 Gen9 support hot-swap drive functionality?
A
No. The two LFF drive bays are non-hot-swap by default. For hot-swap support, choose the optional hot-plug drive cage and power supply.