P74639-001 HPE 1.92TB Read Intensive NVMe SFF SSD

Product Overview of P74639-001 HPE 1.92TB NVMe SFF SSD

The HPE P74639-001 1.92TB Read Intensive NVMe SFF U.3 Solid State Drive is designed to deliver fast, reliable, and consistent performance for modern enterprise environments. Built by HPE, this high-capacity NVMe SSD is optimized for read-heavy workloads, making it an ideal choice for data centers, virtualization, cloud computing, and database-driven applications.

General Information

• Brand: Hewlett Packard Enterprise (HPE)
• Model Number: P74639-001
• Product Category: Enterprise Solid State Drive

Technical Specifications

• Storage Capacity: 1.92TB
• Workload Type: Read Intensive (RI)
• Form Factor: Small Form Factor (SFF)
• Interface Type: NVMe
• Connection Standard: U.3
• Plug Type: Hot Plug
• Carrier: Not specified by HPE

Key Features and Benefits

• High-speed NVMe interface for ultra-low latency performance
• Read Intensive (RI) workload optimization for frequent data access
• Compact Small Form Factor (SFF) design to save server space
• Hot Plug support for easy installation and maintenance
• U.3 compatibility for flexible enterprise storage configurations

Ideal Use Cases

• Enterprise servers and data centers
• Virtualization platforms
• Cloud and hybrid infrastructure
• High-speed databases and analytics
• Read-heavy business-critical applications

Unpacking the U.3 Form Factor: A Convergence of Interfaces

A defining feature of the P74639-001 is its adoption of the U.3 interface. This is not merely a connector specification but a strategic design enabling true tri-mode compatibility.

The Tri-Mode Advantage

Traditional data centers often faced infrastructure silos, with separate drive bays for SAS/SATA and NVMe. The U.3 standard, built upon the SFF-8639 connector, eliminates this inefficiency. A single backplane can now support SAS, SATA, and NVMe protocols, allowing data center managers to deploy the optimal drive for a specific workload without redesigning server architecture. The HPE P74639-001 leverages this to the fullest, ensuring seamless integration into existing HPE ProLiant, Apollo, and Synergy systems while future-proofing investments for NVMe-native applications.

Physical Design and Compatibility

Housed in a 2.5-inch Small Form Factor (SFF) casing, this drive is engineered for high-density storage configurations. Its hot-swappable design adheres to enterprise standards for serviceability, allowing for quick replacement or upgrade without system downtime. The U.3 interface ensures it can be physically installed in any U.3 or NVMe (U.2) compatible bay, providing exceptional deployment flexibility across heterogeneous server environments.

Performance Profile: Mastering Read-Intensive Workloads

Classified as a Read-Intensive (RI) SSD, the P74639-001 is optimized for applications where data is frequently read but written less often. This performance tuning balances exceptional speed with enterprise-grade endurance and cost-effectiveness.

NVMe Protocol: The Foundation of Speed

By utilizing the NVMe (Non-Volatile Memory Express) protocol over a PCIe 3.0 x4 interface, this drive bypasses the bottlenecks inherent to legacy AHCI and SATA architectures. NVMe's parallelized, queue-based design drastically reduces command overhead and latency, enabling:

High Sequential Read Speeds: Facilitates rapid data streaming for large files.
Exceptional Random Read IOPS: Crucial for database queries, web serving, and virtual machine boot operations.
Ultra-Low Latency: Ensures near-instantaneous data access for real-time analytics and transactional systems.

Endurance and Write Performance Specifications

While read-optimized, this drive maintains robust write capabilities suitable for its class. Its endurance is measured in Drive Writes Per Day (DWPD) over its warranty period. The 1.92TB capacity model offers a sustainable balance, capable of handling daily write demands of typical RI applications such as content delivery networks, data warehousing, and hyperconverged infrastructure (HCI) read-cache layers.