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High density platform with dependable performance.
798156-B21
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HPE ProLiant XL190r Servers
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798156-B21
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- HPE ProLiant XL190r Servers
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798156-B21 Overview
798156-B21 is an advanced rackmount server designed for high-performance data center operations and virtualization workloads. It supports Intel Xeon Scalable processors (Xeon 3rd Gen) on an LGA 4189 socket with 2P scalability, making it well-suited for file serving and application delivery.
798156-B21 features ECC DDR4 memory supporting up to 1 TB across 16 slots, four PCIe 4.0 expansion slots, and eight 3.5-inch storage bays with RAID 10 support for robust data protection. The server is equipped with four 10GbE network interfaces, redundant 1600W power supplies, active cooling, integrated iDRAC for remote management, and certified support for VMware ESXi, positioning it as an ideal choice for data center, virtualization, file server, and application server deployments.
798156-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 798156-B21 for additional pricing. Browse the full Hpe Proliant Xl190R Servers series or explore all Hpe products.
798156-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
- 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
- Remote Management
- iDRAC
- Power Supply
- Redundant
- Cooling
- Active
- Virtualization Ready
- Yes
- GPU Support
- Yes
- Processor Generation
- Xeon 3rd Gen
- Operating System
- VMware ESXi
- Rail Kit Included
- Yes
- Max RAM Capacity
- 1 TB
- Drive Bay Size
- 3.5-inch
- LAN Ports
- 4
- Storage Type
- Hybrid
- Depth
- 28.0 inches
- Use Case
- Virtualization / File Server / Application Server
- Power Supply Wattage
- 1600W
- Product Name
- 798156-B21 Enterprise Rack Server
798156-B21 Use Case
High-Performance Computing Cluster for Engineering Simulations
Deploying a compute cluster of 798156-B21-HPE ProLiant XL190r servers in an R&D datacenter for finite-element analysis and CFD workloads delivers sub-millisecond interconnect latency and 2.5X higher floating-point throughput versus legacy blades. The outcome: 30% faster simulation turnaround, accelerated time-to-market and proven cost-per-solution efficiency.
Edge Virtual Network Functions for Telecom Providers
Integrating 798156-B21-HPE ProLiant XL190r servers at geographically distributed edge sites to host virtualized routers, firewalls and 5G core network functions ensures carrier-grade availability and wire-speed packet processing. Benefits include 40% reduction in operational latency, seamless autoscaling and a 25% decrease in total cost of ownership.
Enterprise VDI and Secure Workspaces for Financial Services
Implementing a virtual desktop infrastructure on 798156-B21-HPE ProLiant XL190r servers with NVMe-accelerated storage and AES-encrypted fabrics delivers sub-2-second desktop launch times and enterprise-grade security for traders and analysts. Results are a 50% productivity boost, centralized policy enforcement and demonstrable regulatory compliance.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 798156-B21 |  877619-001 |  859362-B21 |  813194-B21 |  878714-B21 | |
|---|---|---|---|---|---|
| CPU Socket | LGA 4189 | LGA 4189 | LGA 4189 | LGA 4189 | LGA 4189 |
| Cooling | Active | Active | Active | Active | Active |
| Depth | 28.0 inches | 28 inches | 28 inches | 28 inches | 28 inches |
| Drive Bay Size | 3.5-inch | 3.5-inch | 2.5-inch | 3.5-inch | 2.5-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 | 4 | 4 | 2 | 2 | 2 |
| Max Cores per CPU | 32 | 16 | 32 | 32 | 32 |
| Max RAM Capacity | 1 TB | 1 TB | 1 TB | 1 TB | 1 TB |
| Max Threads per CPU | 64 | 32 | 64 | 64 | 64 |
| Network Interface | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| Operating System | VMware ESXi | VMware ESXi | Windows Server | Windows Server | Windows Server |
| 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 | 1600W | 750W | 800W | 750W | 1000W |
| Processor Brand | Intel | Intel | Intel | Intel | Intel |
| Processor Generation | Xeon 3rd Gen | Xeon 3rd 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 | 798156-B21 Enterprise Rack Server | 877619-001 | 859362-B21 High Performance Rack Server | 813194-B21 Enterprise Server | 878714-B21 |
| Product Type | Server | Server | Server | Server | Server |
| RAID Support | RAID 10 | RAID 5 | RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 10 | RAID 5 |
| RAM Slots | 16 | 16 | 16 | 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 | 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 HDD | SATA SSD | Hybrid | SATA SSD |
| Use Case | Virtualization / File Server / Application Server | Virtualization / File Server / Application Server | Virtualization | Virtualization / File Server / Application Server | Virtualization / File Server / Application Server |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| Weight | 45 lbs | 50 lbs | 45 lbs | 55 lbs | 45 lbs |
| Width | 17.5 inches | 17 inches | 17 inches | 19 inches | 19 inches |
Reviews & Ratings
H
Huma Parveen
5
Runs smoothly with minimal maintenance.
N
Nils Andersen
4
Strong server architecture.
A
Asad Rauf
5
Good reliability metrics.
R
Rachel Kim
4
Very satisfied.
Questions & Answers
What are the key specifications of the HPE ProLiant XL190r server?
The HPE ProLiant XL190r features dual Intel Xeon Scalable processors, up to 3 TB DDR4 memory across 24 DIMM slots, eight hot-swappable LFF drives, embedded FlexibleLOM, and redundant power supplies.
Which Intel processors are supported by SKU 798156-B21?
SKU 798156-B21 supports 2nd-Generation Intel Xeon Scalable processors—including Bronze, Silver, Gold, and Platinum series—for balanced performance and multi-workload efficiency.
What is the maximum memory capacity and configuration?
This server supports up to 3 TB of DDR4 memory using 24 DIMM slots, running at speeds up to 2933 MT/s with HPE SmartMemory for optimized reliability and performance.
Which storage options are available for the XL190r?
The XL190r offers eight hot-swappable LFF (3.5") drive bays, supporting SAS/SATA HDDs or SSDs up to 16 TB, plus an additional M.2 SATA boot option for OS deployment.
What network connectivity does this server provide?
It includes an embedded FlexibleLOM with four 1/10-GbE ports and optional 25/100-GbE, plus PCIe 3.0 slots for additional networking adapters to meet varied throughput requirements.
Is the XL190r GPU-ready for AI and HPC workloads?
Yes, the server’s PCIe 3.0 Gen3 slots and 750 W redundant power supplies support up to two low-profile GPUs, enabling entry-level AI, machine learning, and HPC acceleration.
What rack form factor and density does it use?
The HPE ProLiant XL190r is a 1U rack-optimized server designed for high-density environments, delivering performance at scale while minimizing data center footprint.
Which operating systems are certified on this server?
HPE ProLiant XL190r is certified for Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi, and select Citrix Hypervisor versions for virtualization and containers.
What virtualization platforms are supported?
It supports VMware vSphere, Microsoft Hyper-V, Red Hat Virtualization, and Nutanix AHV, providing flexibility for private cloud, VDI, and hybrid cloud deployments.
How energy-efficient is the XL190r server?
With 94% efficient HPE Platinum redundant power supplies and intelligent power management, the XL190r optimizes energy use and lowers data center operating costs.
How do I manage and monitor the HPE ProLiant XL190r?
Use HPE OneView for unified infrastructure management, iLO 5 for embedded server monitoring and remote console, plus HPE InfoSight AI for predictive analytics.
Does this model support HPE OneView and iLO integration?
Yes, SKU 798156-B21 includes embedded HPE iLO 5 and is fully compatible with HPE OneView, enabling automated provisioning, firmware management, and health monitoring.
What security features are built into the XL190r server?
Security includes Silicon Root of Trust, Secure Boot, runtime firmware verification, and TPM 2.0 integration to safeguard BIOS, firmware, and server configuration integrity.
What warranty and support options are available?
HPE offers a standard 3-year, 24x7 hardware support warranty with next-business-day response. Additional Proactive Care and Datacenter Care services are available for enhanced support.
How scalable is the HPE ProLiant XL190r for future growth?
With multiple PCIe slots, high-capacity memory, and flexible networking, the XL190r scales to evolving workloads, enabling incremental CPU, storage, and network upgrades.
What are the ideal use cases for SKU 798156-B21?
This server excels in HPC, virtualization, edge computing, AI inference, and dense cloud environments, delivering high performance and reliability in a compact 1U form factor.