HPE P12777-B21 64GB 2933MHz PC4-23400 Quad Rank DDR4 Smart Memory.

Product Overview of HPE P12777-B21 64GB DDR4 Memory

The P12777-B21 HPE 64GB 2933MHz PC4-23400 Quad Rank DDR4 Smart Memory Kit represents a high-performance, reliable memory upgrade tailored specifically for HPE ProLiant Gen10 servers. Engineered with the latest DDR4 SDRAM technology and Load-Reduced DIMM architecture, this memory module delivers exceptional speed, efficiency, and stability, making it an essential component for enterprise-level server environments.

General Information 

• Manufacturer: HPE
• Manufacturer Part Number: P12777-B21
• Product Type: Ram Module

Key Specifications

• Capacity: 64GB per module (single 64GB stick)
• Memory Type: DDR4 SDRAM, 288-pin DIMM format
• Speed Rating: 2933 MHz (PC4-23400)
• Memory Architecture: Quad Rank X4
• Technology: Load-Reduced DIMM (LRDIMM) for enhanced server performance
• Operating Voltage: 1.2V
• Latency: CL21 with timings of 21-21-21
• Upgrade Compatibility: Tailored for specific HPE server platforms

Manufacturer Details

Produced by Hewlett Packard Enterprise, this memory module carries the part number P12777-B21 and is designed exclusively for use in ProLiant servers, ensuring genuine HPE quality and reliability.

Performance Highlights

• Supports high-throughput DDR4 speeds to meet demanding workloads
• Load-Reduced DIMM technology reduces electrical load, enabling higher memory densities
• Quad Rank design enhances memory channel utilization for improved data processing
• Optimized latency settings (CL21) balance speed and stability for enterprise applications

Compatible HPE Server Models

• ProLiant Blade Servers: BL460c Gen10 series
• ProLiant Rack Servers: DL180, DL360, DL380, and DL388 Gen10
• ProLiant Dense Servers: DX170r, DX360, DX380, DX560 Gen10
• High-Capacity Rack Servers: DL560 and DL580 Gen10 models
• ProLiant Tower Servers: ML350 Gen10
• HPE Synergy Compute Modules: 480 and 660 series
• Specialized Systems: XL230k and Apollo Series (2000 XL170r, XL190r, 4200, 4500 XL450, 6500)

Upgrade Considerations

This memory module is engineered for system-specific upgrades, ensuring seamless integration with supported HPE server families and delivering reliable performance in mission-critical environments.

Technical Features

• High-capacity 64GB DIMM, perfect for scaling server memory
• Utilizes Load-Reduced DIMM technology to maximize system stability and scalability
• Optimized for enterprise-grade servers requiring quad-rank memory modules
• Designed to operate efficiently at 1.2V, balancing power consumption and performance

Technical Specifications of P12777-B21 Memory Module

Memory Capacity and Configuration

Each module in the P12777-B21 kit offers a substantial 64GB of DDR4 SDRAM capacity. This single module configuration allows for flexible memory expansion, enabling server administrators to upgrade and tailor system memory based on specific workload requirements.

• Memory Size: 64GB per module
• Module Count: Single module (1x64GB)
• Memory Rank: Quad Rank (4Rx4)

Memory Speed and Latency

Operating at an impressive 2933MHz (PC4-23400), this memory module offers a substantial bandwidth increase over previous generations, translating to faster data transfer rates and improved system responsiveness.

• Frequency: 2933MHz (PC4-23400)
• CAS Latency: CL21 (21-21-21)

The latency timings have been optimized to balance speed and stability, ensuring the memory operates reliably under heavy server loads while minimizing latency-induced performance bottlenecks.

Load-Reduced DIMM (LRDIMM) Technology

A key feature of the P12777-B21 module is its use of Load-Reduced DIMM (LRDIMM) technology. Unlike traditional DDR4 modules, LRDIMMs reduce the electrical load on the memory controller by buffering data signals. This capability enables higher memory capacity and better overall system scalability without compromising stability.

• Reduces electrical load on memory channels
• Enables increased memory density per server
• Improves signal integrity and system reliability

This technology is particularly beneficial in data centers and enterprise environments where maximizing memory capacity and performance is critical.

Voltage and Power Efficiency

The module operates at a low voltage of 1.2V, adhering to DDR4 power standards. This reduced voltage helps lower power consumption and thermal output, contributing to more energy-efficient server operation and extended hardware lifespan.

Compatibility and Server Models

HPE ProLiant Gen10 Server Compatibility

The P12777-B21 memory kit has been engineered to provide optimal performance and compatibility with a wide range of HPE ProLiant Gen10 servers. This ensures that organizations can confidently upgrade their existing systems without compatibility concerns.

• ProLiant BL460c Gen10 Blade Servers
• ProLiant DL180 Gen10 Rack Servers
• ProLiant DL360 Gen10 Rack Servers
• ProLiant DL380 Gen10 Rack Servers
• ProLiant DL388 Gen10 Rack Servers
• ProLiant DX170r Gen10 Dense Servers
• ProLiant DX360 Gen10 Dense Servers
• ProLiant DX380 Gen10 Dense Servers
• ProLiant DX560 Gen10 Dense Servers
• ProLiant DL560 Gen10 High-Capacity Servers
• ProLiant DL580 Gen10 High-Capacity Servers
• ProLiant ML350 Gen10 Tower Servers

HPE Synergy and Apollo Series Compatibility

Beyond traditional ProLiant servers, the P12777-B21 kit is compatible with HPE's modular Synergy compute modules and Apollo series servers designed for high-density and high-performance workloads.

• HPE Synergy 480 Compute Modules
• HPE Synergy 660 Compute Modules
• ProLiant XL230k Servers
• Apollo 2000 XL170r and XL190r Servers
• Apollo 4200 and Apollo 4500 XL450 Servers
• Apollo 6500 Servers

Ensuring Seamless Integration

Leveraging HPE’s Smart Memory technology, the P12777-B21 is validated to work seamlessly within supported platforms. This includes automatic detection, tuning, and performance optimization through HPE’s system management tools, enhancing reliability and ease of maintenance.

Benefits of Using P12777-B21 Memory in Enterprise Environments

Enhanced System Performance and Stability

Deploying the P12777-B21 memory kit in HPE Gen10 servers significantly improves data throughput and multitasking capabilities. The high memory capacity paired with fast 2933MHz speed facilitates smooth operation of virtualization platforms, large-scale databases, and data analytics applications.

• Supports intensive multitasking and concurrent workloads
• Minimizes bottlenecks in memory-intensive processes
• Improves system responsiveness for end-users

Scalability for Growing Infrastructure Needs

Thanks to its Quad Rank and LRDIMM design, this memory module supports high-density configurations, enabling data centers to expand their server memory without upgrading entire systems. This flexibility is invaluable in dynamic environments where resource demands fluctuate.

Energy Efficiency and Reduced Heat Generation

Operating at a reduced voltage of 1.2V, the P12777-B21 contributes to lower overall power consumption compared to previous DDR3 or standard DDR4 modules. Reduced thermal output helps maintain optimal server temperatures, promoting hardware longevity and lowering cooling costs.

Technical Deep Dive: Memory Architecture and Performance

Quad Rank Memory Explained

Quad Rank memory modules contain four sets (or ranks) of DRAM chips on the DIMM. This architecture increases memory density but requires advanced controller support to maintain speed and stability.

• Increases overall memory capacity per DIMM
• Improves parallel data access and bandwidth
• Requires compatible server architecture for full performance

Load-Reduced DIMM Technology Advantages

Load-Reduced DIMMs incorporate a buffer chip that mitigates the electrical load on the memory controller, allowing systems to support more DIMMs per channel than standard registered DIMMs (RDIMMs).

• Improves signal integrity and reduces latency impacts
• Enables higher server memory capacities with stability
• Ideal for enterprise-grade workloads requiring large memory footprints

Smart Memory Features

HPE Smart Memory technology adds additional validation, error correction, and system tuning capabilities, allowing for enhanced server performance and reliability. This memory kit includes:

• Automatic error detection and correction
• Firmware optimizations for HPE servers
• Seamless compatibility with HPE management utilities

Use Cases Scenarios

Virtualization Platforms

With its large capacity and high speed, the P12777-B21 memory module is ideal for virtualization environments where multiple virtual machines (VMs) demand rapid and reliable access to system memory.

Data-Intensive Databases

Databases like SQL Server, Oracle, and NoSQL platforms benefit from the low-latency, high-capacity nature of this memory kit, enabling faster query responses and improved transaction throughput.

High-Performance Computing (HPC)

Scientific simulations, engineering computations, and large-scale data analytics require robust memory subsystems. The P12777-B21’s architecture supports such demanding workloads with consistency and speed.

Cloud and Hybrid Cloud Infrastructure

Cloud service providers and enterprises implementing hybrid cloud solutions rely on scalable memory solutions like this HPE kit to dynamically allocate resources and maintain high service availability.

Optimized for HPE Hardware and Firmware

These memory kits are firmware-validated to work harmoniously with HPE servers’ management features, including predictive failure analysis and proactive health monitoring.

Comprehensive

Purchasing official HPE memory ensures access to expert technical support from Hewlett Packard Enterprise, helping resolve issues quickly and reducing downtime.

Compatibility with HPE ILO

Integration with HPE iLO enables easy monitoring of memory status, real-time health reports, and proactive alerts, making server administration simpler and more efficient.

Key Features and Benefits

• 64GB DDR4 Load-Reduced DIMM module with 2933MHz speed
• Quad Rank X4 memory architecture for enhanced capacity and performance
• Low-voltage operation at 1.2V for improved energy efficiency
• Designed specifically for HPE ProLiant Gen10 and compatible server lines
• Enables scalable, high-density memory configurations
• Supports enterprise-grade workloads such as virtualization and HPC
• Validated with HPE Smart Memory technology for reliability and performance
• Backed by HPE’s warranty and technical support network