P23495-B21 HPE 7.68TB SATA Read Optimized 6Gbps LFF 3.5inch Single Port SSD

Overview of HPE P23495-B21 7.68TB SATA 6Gbps SSD

The HPE P23495-B21 is a high-capacity enterprise solid state drive engineered to deliver dependable performance, optimized read efficiency, and scalable storage density for modern data center environments. Designed specifically for HPE ProLiant Gen10 and Gen10.5 servers, this SSD leverages advanced QLC flash technology to provide cost-effective storage for read-intensive workloads while maintaining consistent throughput and reliability.

General Information

• Brand / Manufacturer: Hewlett Packard Enterprise (HPE)
• Model Number: P23495-B21
• Product Category: Solid State Drive

Technical Specifications

• Capacity : 7.68 Tb 
•  Form Factor : Lff
• Plug Type : Hot-plug 
•  Carrier Type : Lpc
• Flash Type : Qlc Port : Single
• Form Factor: LFF (3.5-inch)
• Hot-Plug Support: Yes
• Carrier Type: LPC (Low Profile Carrier)

SATA 6Gbps Interface Benefits

• Stable and widely adopted enterprise interface
• Seamless integration with legacy and modern servers
• Optimized bandwidth for read-focused workloads

QLC Flash Advantages

• Higher storage density in fewer drive bays
• Lower total cost of ownership
• Efficient performance for read-heavy environments

Sequential Performance Metrics

• Sequential Read Speed: Up to 500 MiB/s
• Sequential Write Speed: Up to 340 MiB/s

Random IOPS Performance

• Random Read Performance: Up to 54,000 IOPS
• Random Write Performance: Up to 4,500 IOPS

The HPE P23495-B21 7.68TB SATA 6Gbps Read Optimized SSD

The enterprise SATA solid state drive category for HPE ProLiant Gen10 and Gen10.5 servers is designed to address large-scale data storage requirements where reliability, predictable performance, and cost efficiency are essential. Products such as the HPE P23495-B21 7.68TB SATA 6Gbps Read Optimized Flash SSD represent a refined balance between capacity density and endurance, making them ideal for environments where read-heavy workloads dominate daily operations. This category focuses on high-capacity flash storage built specifically for enterprise server infrastructures, ensuring seamless compatibility with HPE platforms and firmware ecosystems while maintaining consistent throughput and data integrity.

Read Optimized Enterprise SSD

Read optimized SSDs are engineered with a clear operational objective: maximize read performance and capacity while maintaining sufficient endurance for predictable write activity. In enterprise environments, many applications such as content delivery, data analytics, virtual desktop infrastructure boot images, and archival access workloads generate far more read operations than writes. The design philosophy behind this category emphasizes efficient data retrieval, long service life under read-intensive conditions, and consistent performance even as the drive approaches full capacity.

QLC Flash Technology

Quad-Level Cell flash technology stores four bits of data per cell, substantially increasing capacity density compared to earlier flash generations. In enterprise SATA SSDs, QLC flash is paired with sophisticated firmware and controller designs to mitigate the inherent endurance limitations of higher-density memory. This combination results in drives that deliver dependable performance for read-heavy workloads while offering a compelling cost-per-gigabyte advantage.

Interface and Form Factor

The SATA 6Gbps interface remains a cornerstone of enterprise storage due to its broad compatibility and mature ecosystem. Drives in this category are designed to integrate seamlessly into existing server infrastructures without requiring specialized backplanes or controllers. The SATA interface provides sufficient bandwidth for many enterprise workloads, particularly those that benefit from high sequential read throughput and stable latency profiles.The large form factor 3.5-inch LFF design further enhances capacity density by accommodating higher-capacity flash modules within a robust enterprise-grade enclosure. This form factor is especially advantageous in storage-heavy servers where maximizing terabytes per drive bay is a priority. The LFF design also contributes to improved thermal management, allowing the drive to maintain optimal operating temperatures during continuous operation.

Single Port SSD

Single port SATA SSDs are optimized for environments where simplicity and reliability are paramount. The single port configuration reduces complexity within the storage path, minimizing potential points of failure and ensuring stable communication between the drive and the server controller. For read optimized workloads, this architecture provides ample performance while maintaining enterprise-level dependability.

High-Capacity Storage 

With a massive 7.68TB storage capacity, this enterprise SATA SSD is purpose-built for organizations seeking to consolidate data, reduce physical drive count, and maximize usable storage per server bay. The large-capacity design supports growing datasets, archival systems, and content-heavy applications without compromising on efficiency.

Compatibility with ProLiant Gen10 and Gen10.5 Servers

Compatibility is a defining characteristic of enterprise storage categories designed for HPE ProLiant servers. These SSDs are validated specifically for Gen10 and Gen10.5 architectures, ensuring seamless integration with system firmware, RAID controllers, and management tools. This compatibility reduces deployment risk and simplifies ongoing maintenance by ensuring that firmware updates and monitoring features function as intended.

Performance Characteristics of Read Optimized SATA SSDs

Performance within this category is defined by consistent read throughput, predictable latency, and stable behavior under sustained workloads. While SATA SSDs do not reach the peak bandwidth of NVMe solutions, they deliver more than sufficient performance for a wide range of enterprise applications. Sequential read speeds are optimized to take full advantage of the SATA 6Gbps interface, ensuring efficient data streaming and fast access to stored content.

Latency Stability 

Latency consistency is a critical metric in enterprise storage environments. Drives in this category are engineered to deliver predictable response times, minimizing latency spikes that can disrupt application performance. Advanced scheduling algorithms and internal buffering strategies help maintain a steady quality of service, even during periods of high read demand.This focus on latency stability makes read optimized SATA SSDs suitable for shared storage environments where multiple applications access the same storage resources. By ensuring consistent response times, these drives contribute to smoother overall system performance and improved user experience.

Reliability and Data Integrity Features

Enterprise SSDs are distinguished from consumer-grade alternatives by their focus on reliability and data integrity. Drives in this category incorporate advanced error correction codes, end-to-end data protection, and power loss protection mechanisms to safeguard data during unexpected events. These features are essential in server environments where data loss or corruption can have significant operational consequences.

Scalability and Future-Proofing Storage

Scalability is a defining requirement for modern enterprise storage solutions. High-capacity SATA SSDs enable organizations to scale storage capacity incrementally without redesigning their infrastructure. By utilizing standard 3.5-inch bays and SATA interfaces, these drives integrate easily into existing server architectures while providing room for future expansion.As data volumes continue to grow, the ability to deploy larger capacity drives becomes increasingly important. The QLC-based read optimized category addresses this need by delivering multi-terabyte capacities in a familiar form factor, allowing organizations to plan for long-term growth with confidence.