P19765-B21 HPE DL360 Gen10 4LFF NC CTO Server

HPE P19765-B21 ProLiant DL360 Gen10 Server Overview

The HPE ProLiant DL360 Gen10 Server is a powerful and compact 1U rack server designed for modern data centers, virtualization, cloud workloads, and enterprise applications. Built to support the Intel® Xeon® Scalable Processor family, this server delivers exceptional performance, scalability, and reliability for demanding business environments.

General Product Information

• Manufacturer: Hewlett Packard Enterprise (HPE)
• Model Number: P19765-B21
• Product Category: Enterprise Rack Server
• Form Factor: 1U Rack-Mountable
• Server Architecture: 2-Way Scalable
• Hot-Swap Drive Bays: 4
• Built-in Devices: LED Status Panel
• Localization: Worldwide Deployment

Processor & Chipset Capabilities

CPU Configuration

• Processor Installed: None (CPU-Ready)
• Maximum CPU Support: Up to 2 Processors
• Processor Family: Intel® Xeon® Scalable
• CPU Socket Type: FCLGA3647
• Upgrade Support: Fully Upgradable

Chipset Details

• Chipset Model: Intel C621
• Optimized for Enterprise Workloads

Memory (RAM) Architecture

Advanced DDR4 Smart Memory Support

• Installed Memory: 0 GB
• Maximum Memory Capacity: Up to 3 TB
• Memory Technology: DDR4 SDRAM with Advanced ECC
• Memory Form Factor: 288-Pin DIMM
• Total Memory Slots: 24 (All Available)

Supported Memory Types

• 3 TB Load-Reduced DIMM (LRDIMM) – ECC
• 1.5 TB Registered DIMM (RDIMM) – ECC
• 192 GB Non-Volatile Memory – ECC

Storage & Drive Configuration

Hard Drive Information

• Hard Drive Installed: None
• Ideal for Custom Storage Builds

Storage Controller Features

• Controller Type: SATA
• Controller Interface: SATA 6Gb/s
• Controller Name: HPE Smart Array S100i SR Software
• Total Channels: 14

Networking & Remote Management

Integrated Network Connectivity

• Ethernet Ports: 4 × Gigabit LAN
• Supported Protocols: Ethernet, Fast Ethernet, Gigabit Ethernet
• Wake-on-LAN (WOL) Support
• PXE Boot Enabled

Remote Administration

• Management Controller: HPE Integrated Lights-Out 5 (iLO 5)
• Protocols Supported: SNMP v3, IPMI 2.0, SMASH CLP

Expansion Slots & Connectivity Options

Expansion Bays

• 1 × External Universal Media Bay
• 4 × Hot-Swap 3.5" LFF Bays

PCIe & Internal Slots

• PCIe 3.0 x16 – Full Height
• PCIe 3.0 x16 – Three-Quarter Length
• PCIe 3.0 x8 – Low Profile
• FlexibleLOM Slot
• Internal MicroSD Card Slot

External & Internal Interfaces

• HPE iLO Type-A (Front)
• HPE iLO RJ-45 (Rear)
• 5 × USB 3.0 Ports (Front, Rear & Internal)
• 1 × VGA Port (Rear)
• 4 × RJ-45 Gigabit LAN Ports

Physical Dimensions & Weight

• Width: 17.1 inches
• Depth: 27.8 inches
• Height: 1.7 inches
• Weight: 28.75 lbs

Deep Dive: The P19765-B21 4LFF NC CTO Configuration

The specific HPE P19765-B21 SKU is not a pre-configured system but a foundational chassis and boardset configuration. It serves as the starting point for a tailored enterprise server. Its core identity is defined by the 1U rack-optimized chassis with four 3.5-inch LFF drive bays, a dual-processor motherboard, and integrated management. This model is intentionally stripped of key components like CPUs, memory, and storage to be populated according to the customer’s precise technical and budgetary requirements. This approach minimizes waste, optimizes performance, and allows for seamless integration into existing data center standards.

Key Architectural Advantages of the DL360 Gen10 Platform

The underlying DL360 Gen10 architecture, powered by the Intel Xeon Scalable processor family (from the Bronze to Platinum series), provides a quantum leap over previous generations. It incorporates HPE's unique Silicon Root of Trust, ensuring firmware integrity from boot-up. The platform also features HPE iLO 5 (Integrated Lights-Out), the industry's most advanced server management, offering secure remote control, automated energy optimization, and proactive health monitoring.

Security at the Silicon Level

HPE's integrated security model is a category differentiator. The Silicon Root of Trust cryptographically verifies the iLO firmware, preventing the execution of tampered or malicious code. This hardware-based anchor creates a chain of trust for the entire server boot process, a critical defense against sophisticated cyber threats.

The Heart of Performance: Memory & The HPE P19765-B21

A critical subcategory within the DL360 Gen10 4LFF CTO specification is memory configuration. System performance, especially for virtualization, in-memory databases (like SAP HANA), and high-transaction applications, is directly tied to memory capacity, speed, and reliability. The P19765-B21 base supports up to 3TB of memory using HPE DDR4 SmartMemory modules across 24 DIMM slots (12 per CPU).

Understanding the 288-Pin DIMM Specification

The "288-Pin" refers to the physical and electrical interface of the DDR4 memory modules used in the DL360 Gen10. This standardized design ensures compatibility, proper alignment, and secure connection within the server's memory slots. HPE's 288-pin DIMMs are specifically engineered, validated, and tested for the ProLiant ecosystem, ensuring optimal signal integrity, thermal performance, and reliability that generic DIMMs cannot guarantee.

HPE DDR4 SmartMemory: Not Just a DIMM

HPE SmartMemory modules are a premium subcategory of memory designed for mission-critical uptime. They go beyond industry standards with features like:

Advanced Error Correction: Enhances data integrity and reduces the risk of uncorrectable errors.
Thermal Sensors: Provide real-time temperature data to iLO for proactive thermal management, preventing throttling and failure.
HPE Firmware Validation: Each module's SPD (Serial Presence Detect) contains HPE-specific data, ensuring full compatibility and optimal performance tuning with the system BIOS and iLO.

Memory Population Rules and Performance Optimization

Configuring memory in a dual-processor server like the DL360 Gen10 requires adherence to specific population guidelines to maximize multi-channel performance. For optimal performance, DIMMs must be installed in matched pairs per processor and across specific channels. A common configuration for balanced performance and capacity is to populate the white-slotted DIMM bays first, which correspond to the primary memory channels for each CPU. Utilizing HPE's configuration tools or working with an authorized partner is essential to ensure the memory layout delivers the intended bandwidth and capacity.

Types of DIMMs in this Category: RDIMM vs. LRDIMM

Within the 288-pin DDR4 category for this server, two main types of modules are available:

RDIMM (Registered DIMM): The most common type for enterprise servers. Includes a register that buffers address and command signals, reducing electrical load on the memory controller and allowing for higher capacities per module (e.g., 16GB, 32GB, 64GB). Offers an excellent balance of performance, capacity, and cost.
LRDIMM (Load Reduced DIMM): Uses a memory buffer (iMB) that isolates the data lines, further reducing the electrical load. This enables the highest possible memory capacities (e.g., 128GB, 256GB per module) and is essential for reaching the maximum 3TB system capacity. LRDIMMs are typically used for maximum memory density applications.