HPE ProLiant Gen10 Gen10 Plus Gen11 Server Comparison

# HPE ProLiant Gen10, Gen10 Plus and Gen11 Server Comparison

Introduction

HPE ProLiant servers have evolved through multiple generations, each introducing significant architectural improvements. Understanding the differences between Gen10, Gen10 Plus, and Gen11 is critical for infrastructure planning, purchase decisions, and upgrade strategies. This guide provides a detailed technical comparison across processor support, memory architecture, PCIe generation, storage options, security features, and management capabilities.

You will learn:

• Processor and chipset differences across generations
• Memory architecture evolution (DDR4 vs DDR5)
• PCIe lane and generation improvements
• Storage controller and drive interface changes
• Security feature enhancements
• Management and iLO differences
• Workload suitability for each generation

Technical Background

Processor Evolution

The processor is the defining characteristic of each ProLiant generation:

| Feature | Gen10 | Gen10 Plus | Gen11 | |---------|-------|------------|-------| | Intel Processor | Xeon Scalable 1st/2nd Gen | Xeon Scalable 2nd/3rd Gen | Xeon Scalable 4th Gen | | AMD Processor | EPYC 7002 (Rome) | EPYC 7003 (Milan) | EPYC 7003/7004 (Milan/Genoa) | | Max Intel Cores | 28 per socket | 28 per socket | 60 per socket | | Max AMD Cores | 64 per socket | 64 per socket | 128 per socket | | Memory Type | DDR4 | DDR4 | DDR5 | | PCIe Generation | Gen3 | Gen4 | Gen5 |

Memory Architecture

| Feature | Gen10 | Gen10 Plus | Gen11 | |---------|-------|------------|-------| | Memory Type | DDR4 | DDR4 | DDR5 | | Memory Speed | Up to 2933 MT/s | Up to 3200 MT/s | Up to 4800 MT/s | | Channels per CPU | 6 | 6 | 8 | | Max Memory per Server | 6 TB | 6 TB | 12 TB+ |

**Important:** DDR4 and DDR5 are not interchangeable. Gen11 servers require DDR5 DIMMs.

PCIe Architecture

| Feature | Gen10 | Gen10 Plus | Gen11 | |---------|-------|------------|-------| | PCIe Generation | Gen3 | Gen4 | Gen5 | | Bandwidth x16 | 15.75 GB/s | 31.5 GB/s | 63 GB/s |

PCIe Gen5 in Gen11 doubles the bandwidth of Gen4, critical for high-performance NICs, NVMe drives, and GPU accelerators.

Security Features

| Feature | Gen10 | Gen10 Plus | Gen11 | |---------|-------|------------|-------| | Silicon Root of Trust | Yes | Yes | Yes (enhanced) | | TPM 2.0 | Optional | Standard | Standard | | iLO Version | iLO 4/5 | iLO 5 | iLO 6 |

Comparison Table

| Specification | Gen10 | Gen10 Plus | Gen11 | |--------------|-------|------------|-------| | Introduction Year | 2017 | 2020 | 2022 | | Max Cores (Intel) | 28 | 28 | 60 | | Max Cores (AMD) | 64 | 64 | 128 | | Memory | DDR4 | DDR4 | DDR5 | | PCIe | Gen3 | Gen4 | Gen5 | | Persistent Memory | Yes | Yes | No | | Typical Use | General purpose | AI/ML, big data | AI training, HPC |

Workload Selection Guide

| Workload | Recommended Generation | Reason | |----------|----------------------|--------| | General virtualization | Gen10 or Gen10 Plus | Cost-effective, sufficient performance | | Database (high memory BW) | Gen11 | DDR5 memory bandwidth | | AI/ML training | Gen11 | PCIe Gen5 for GPUs, high core count | | Edge computing | Gen11 | Efficiency, AI inference | | Backup/archive server | Gen10 | Cost-effective |

Prerequisites

Hardware Requirements

• HPE ProLiant server from the generation being evaluated
• Compatible processors for the specific generation
• Generation-matched memory

Software Requirements

• HPE iLO firmware (version matched to generation)
• Operating system compatible with processor generation

Step-by-Step Implementation

Step 1: Identify Server Generation

1. Check server model name (e.g., DL380 Gen10, DL380 Gen11) 2. Access iLO and check system summary 3. Review processor model in BIOS/UEFI

**Verification:** Server generation confirmed.

Step 2: Document Current Configuration

Record processor, memory, storage, and firmware versions for comparison.

**Verification:** Inventory documented.

Step 3: Evaluate Workload Requirements

Map workload characteristics to generation capabilities:

• Virtualization → Gen10/10 Plus
• AI/ML → Gen11
• Database → Gen11 (memory bandwidth)
• General purpose → Gen10/10 Plus (cost-effective)

**Verification:** Workload mapped to appropriate generation.

Step 4: Plan Upgrade or Purchase

Compare TCO, power requirements, and compatibility with existing infrastructure.

**Verification:** Purchase or upgrade plan documented.

Configuration Examples

iLO Version Identification

curl -k -u admin:password https://<ilo-ip>/redfish/v1/Managers/1/ | jq '.ManagerType'
# Gen10: iLO 4, Gen10 Plus: iLO 5, Gen11: iLO 6

Memory Configuration Check

dmidecode -t memory | grep -E "(Type|Speed)"
# Gen10/10 Plus: DDR4
# Gen11: DDR5

PCIe Generation Check

lspci -vvv | grep -E "LnkCap" | head -5
# Gen10: 8GT/s (Gen3)
# Gen10 Plus: 16GT/s (Gen4)
# Gen11: 32GT/s (Gen5)

Verification

• Server model and generation confirmed
• Component compatibility verified (memory, PCIe cards)
• Workload requirements matched to generation
• Firmware at consistent SPP version level

Troubleshooting

| Scenario | Symptom | Cause | Action | |----------|---------|-------|--------| | Wrong memory type | Won't boot | DDR4 in DDR5 server | Replace with DDR5 DIMMs | | PCIe card not recognized | Card not detected | Wrong generation slot | Use compatible slot/card | | Processor not supported | Won't boot | Wrong CPU generation | Install supported processor |

Best Practices

1. Don't mix generations in a cluster 2. Memory is not cross-compatible (DDR4 vs DDR5) 3. Plan for power increases with newer generations 4. Consider licensing impacts (core-based) 5. Keep spares generation-matched

Conclusion

Gen10 remains cost-effective for general workloads. Gen10 Plus offers improvements for AI inference. Gen11 is best for demanding workloads but requires DDR5 and has higher power requirements. Choose based on workload requirements, not just newest generation.

References

• HPE ProLiant Gen10 Documentation: https://www.hpe.com/info/proliantgen10docs
• HPE ProLiant Gen10 Plus Documentation: https://www.hpe.com/info/proliantgen10plusdocs
• HPE ProLiant Gen11 Documentation: https://www.hpe.com/info/proliantgen11docs