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High density server ideal for scale out storage.
799581-B22
HPE Apollo 4520 Servers
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799581-B22
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- HPE Apollo 4520 Servers
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799581-B22 Overview
799581-B22 is a high-performance Rackmount server designed for data center environments, featuring support for Intel Xeon Scalable processors with an LGA 4189 socket and a dual-processor (2P) scalability configuration. It comes equipped with ECC DDR4 memory in 16 slots supporting up to 1 TB, multiple expansion slots, and eight 2.5-inch storage bays with RAID 10 support, ensuring robust data throughput and redundancy.
This server is built for mission-critical applications such as virtualization, file serving, and application hosting. It offers 10GbE network interfaces with four LAN ports, redundant 1000W power supplies, active cooling, and integrated iDRAC remote management capabilities while natively supporting VMware ESXi, making it ideal for centralized data centers and enterprise-level operations.
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799581-B22 Specifications
- Product Type
- Server
- Form Factor
- Rackmount
- Rack Units
- 2U
- Processor Brand
- Intel
- Processor Series
- Intel Xeon Scalable
- Processor Generation
- Xeon 4th Gen
- Use Case
- Virtualization
- CPU Socket
- LGA 4189
- Scalability
- 2P
- Max Cores per CPU
- 32
- Max Threads per CPU
- 64
- RAM Type
- ECC DDR4
- RAM Slots
- 16
- Max RAM Capacity
- 1 TB
- Storage Type
- NVMe SSD
- Storage Bays
- 8
- Drive Bay Size
- 2.5-inch
- Hot-Swap Support
- Yes
- RAID Support
- RAID 10
- PCIe Slots
- 4
- PCIe Version
- PCIe 4.0
- Network Interface
- 10GbE
- LAN Ports
- 4
- Remote Management
- iDRAC
- Power Supply
- Redundant
- Power Supply Wattage
- 1000W
- Cooling
- Active
- Operating System
- VMware ESXi
- Virtualization Ready
- Yes
- GPU Support
- Yes
- Rail Kit Included
- Yes
- Product Name
- 799581-B22 High Performance Rackmount Server
- Height
- 3.5 inches
- Width
- 17.2 inches
- Depth
- 28 inches
- Weight
- 45 lbs
799581-B22 Use Case
High-Performance Computing (HPC) for Seismic Data Simulation
In oil and gas exploration, teams leverage the 799581-B22 HPE Apollo 4520 Servers to process petabytes of seismic data with 24 NVMe drives and RoCE networking. This deployment accelerates finite element analysis by up to 2×, reduces time-to-insight, and lowers total cost of ownership by 30% per PFLOP.
Hyperscale Object Storage for Cloud Service Providers
Cloud platforms deploy 799581-B22 HPE Apollo 4520 Servers as Ceph or OpenStack Swift nodes, offering 33.6 TB of NVMe density per chassis and end-to-end encryption. The result is sub-millisecond latency at petabyte scale, 5× higher IOPS efficiency, and seamless autoscaling without performance degradation.
Real-Time Big Data Analytics in Financial Trading
Financial firms implement 799581-B22 HPE Apollo 4520 Servers to power in-memory Spark and Hadoop clusters for market-feed analysis. With dual Intel CPUs and high-density NVMe storage, organizations achieve sub-second query response, tighten risk controls, and cut analytic infrastructure costs by 25%.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 799581-B22 |  847077-B21 |  845627-B21 |  798152-B21 |  867158-B21 | |
|---|---|---|---|---|---|
| CPU Socket | LGA 4189 | LGA 4189 | LGA 4189 | LGA 4189 | LGA 4189 |
| Cooling | Active | Active | Active | Active | Active |
| Depth | 28 inches | 28 inches | 28 inches | 30 inches | 28.0 inches |
| Drive Bay Size | 2.5-inch | 3.5-inch | Mixed | 2.5-inch | 3.5-inch |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| GPU Support | Yes | No | Yes | Yes | No |
| Height | 3.5 inches | 3.5 inches | 3.5 inches | 3 inches | 3.5 inches |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| LAN Ports | 4 | 4 | 2 | 2 | 2 |
| Max Cores per CPU | 32 | 32 | 32 | 32 | 32 |
| Max RAM Capacity | 1 TB | 1 TB | 1 TB | 512 GB | 1 TB |
| Max Threads per CPU | 64 | 64 | 64 | 64 | 64 |
| Network Interface | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| Operating System | VMware ESXi | Windows Server | VMware ESXi | Windows Server / VMware ESXi / Ubuntu / RHEL / SUSE / CentOS | VMware ESXi |
| 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 | 1000W | 750W | 1000W | 750W | 800W |
| Processor Brand | Intel | Intel | Intel | Intel | Intel |
| Processor Generation | Xeon 4th 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 | 799581-B22 High Performance Rackmount Server | Dell Rackmount Server 847077-B21 | 845627-B21 High Performance Enterprise Server | 798152-B21 Enterprise Rack Server | 867158-B21 |
| Product Type | Server | Server | Server | Server | Server |
| RAID Support | RAID 10 | RAID 10 | RAID 10 | 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 | 3U | 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 | NVMe SSD | Hybrid | Hybrid | SATA SSD | SATA HDD |
| Use Case | Virtualization | Virtualization | Virtualization | Virtualization | Virtualization |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| Weight | 45 lbs | 50 lbs | 45 lbs | 75 lbs | 55 lbs |
| Width | 17.2 inches | 19 inches | 17 inches | 17 inches | 17.5 inches |
Reviews & Ratings
M
Mariam Saleem
4
Good thermal management and uptime.
L
Lars Petersen
5
Performs consistently in production.
A
Adnan Sheikh
3
Designed well for enterprise environments.
N
Natalie Brooks
4
Satisfied with overall performance.
Questions & Answers
What is the maximum raw storage capacity of the HPE Apollo 4520 Server (SKU: 799581-B22)?
The HPE Apollo 4520 Server supports up to 60 small form factor drives, delivering a maximum raw storage capacity of 720 TB with 12 TB SSDs.
Which processors are supported in the HPE Apollo 4520 Server?
This server supports up to two Intel® Xeon® Scalable processors, offering up to 28 cores per CPU for high-density, data-intensive workloads.
How much memory can be installed in the HPE Apollo 4520 Server?
The system accommodates up to 24 DDR4 DIMM slots, supporting a maximum of 3 TB of memory with 128 GB DIMMs for in-memory analytics and caching.
What network connectivity options are available on the HPE Apollo 4520 Server?
The server offers flexible NIC choices, including 1 GbE, 10 GbE, 25 GbE, 40 GbE and converged network adapters, enabling high-throughput data access.