ProLiant RL300 Servers
The HPE ProLiant RL300 is HPE's cloud-native 1U on Ampere Altra ARM processors — up to 128 efficient cores for scale-out, containerized, and energy-conscious workloads.
The HPE ProLiant RL300 is HPE's cloud-native 1U on Ampere Altra ARM processors — up to 128 efficient cores for scale-out, containerized, and energy-conscious workloads.
The HPE ProLiant RL300 Gen11 Server is a power-efficient 1U rack server designed for cloud-native applications, service providers, digital-first enterprises, web hosting, containerized workloads, and scale-out infrastructure. Powered by Ampere Altra and Ampere Altra Max processors, the RL300 Gen11 delivers high core density, predictable performance, and strong efficiency for modern cloud environments. This Build Your Own platform allows you to configure the server with the processor, memory, NVMe storage, networking, and management options that best fit your environment.

The HPE ProLiant RL300 Gen11 features a compact 1U rackmount chassis designed for organizations that need high-density compute in a space-efficient footprint. It is optimized for cloud-native and scale-out workloads where performance per watt, rack density, and predictable operation are important.
The HPE ProLiant RL300 Gen11 is powered by Ampere Altra and Ampere Altra Max processors, offering up to 128 cores in a single-socket platform. This makes the RL300 Gen11 a strong choice for cloud services, containerized applications, microservices, web hosting, edge services, and other workloads that benefit from high core density and efficient single-threaded performance.
The ProLiant RL300 Gen11 supports enterprise-grade DDR4 ECC memory designed for stable, reliable operation in production environments. ECC memory helps maintain data integrity and dependable system performance, which is important for always-on infrastructure, hosting environments, and cloud-native application stacks.
The HPE ProLiant RL300 Gen11 is available with 8-bay or 10-bay SFF NVMe U.2/U.3 drive configurations depending on chassis selection. NVMe storage provides fast access to data for cloud-native applications, container platforms, web services, databases, caching, and high-performance local storage needs.
The RL300 Gen11 includes flexible expansion options for compatible PCIe and OCP networking configurations depending on the final build. With dual OCP 3.0 slot support, the system can be configured for modern network connectivity, storage networking, service provider workloads, and scale-out infrastructure deployments.
Reliable network connectivity is essential for cloud-native infrastructure, and the HPE ProLiant RL300 Gen11 can be configured with network options that support high-throughput, redundant, and scalable environments. This makes it useful for web hosting, container clusters, content delivery, private cloud, and service provider infrastructure.
The HPE ProLiant RL300 Gen11 offers flexible management options, including HPE iLO and OpenBMC depending on configuration. HPE iLO provides a familiar ProLiant management experience, while OpenBMC can support organizations pursuing open-source management strategies.
The ProLiant RL300 Gen11 is built on the HPE ProLiant platform and designed for dependable enterprise operation. Depending on configuration, available features may include silicon root of trust, secure firmware protections, platform monitoring, redundant power options, and secure remote management features.
The HPE ProLiant RL300 Gen11 is designed to deliver high core density with strong power efficiency in a compact 1U platform. Its architecture is well suited for organizations that need to maximize compute density while managing power consumption, rack space, and serviceability across large-scale deployments.
The HPE ProLiant RL300 Gen11 Server is best suited for:
The HPE ProLiant RL300 Gen11 Server is a specialized 1U rack server built for cloud-native, scale-out, and service provider workloads. With Ampere Altra and Ampere Altra Max processor support, up to 128 cores per socket, DDR4 ECC memory, NVMe SFF storage options, dual OCP 3.0 expansion, and flexible management through HPE iLO or OpenBMC depending on configuration, the RL300 Gen11 is well suited for web hosting, containers, microservices, edge services, private cloud, and high-density compute environments. For organizations looking for a power-efficient alternative to traditional x86 rack servers, the HPE ProLiant RL300 Gen11 delivers strong value in a compact enterprise platform.