P47846-B21 HPE 3.84TB NVMe SSD

HPE P47846-B21 3.84TB NVMe Gen4 Read-Intensive SSD

The HPE P47846-B21 3.84TB NVMe Gen4 Mainstream Performance Read-Intensive SSD delivers enterprise-grade speed, efficiency, and reliability in a compact SFF form factor. Designed for modern data centers, this drive is optimized for read-intensive workloads, ensuring rapid access to large datasets while maintaining long-term durability.

Main Product Information

• Manufacturer: Hewlett Packard Enterprise (HPE)
• Part Number / SKU: P47846-B21
• Storage Capacity: 3.84TB
• Form Factor: Small Form Factor (SFF)
• Interface: NVMe Gen4
• Flash Type: Triple-Level Cell (TLC)
• Plug Type: Hot-plug capable
• Carrier Type: Bc

Technical Specifications

• Height: 15 mm
• Port Configuration: Single-port interface
• Sequential Read Speed: Up to 5900 MB/s
• Sequential Write Speed: Up to 2300 MB/s
• Random Read IOPS: Up to 155,000 IOPS
• Random Write IOPS: Up to 60,000 IOPS

Performance and Optimization

Engineered for read-intensive workloads, the HPE P47846-B21 SSD provides consistent high-speed data access, supporting enterprise applications, virtualization, and analytics with minimal latency.

Key Performance Highlights

• High-speed NVMe Gen4 interface ensures ultra-fast data transfer
• Optimized for read-intensive workloads with low latency and stable performance
• TLC NAND technology balances cost-effectiveness with endurance and reliability
• Hot-plug support for seamless maintenance without server downtime

Server Compatibility

The P47846-B21 SSD is compatible across multiple generations of HPE servers, ensuring flexible deployment in both existing and modern infrastructures.

HP ProLiant G10+ (Gen10 Plus) Series Servers

• DL20 (G10+), DL345 (G10+), DL360 (G10+), DL365 (G10+)
• DL380 (G10+)

HP ProLiant G11 (Gen11) Series Servers

• DL110, DL320, DL325, DL345, DL360, DL365
• DL380, DL380a, DL385, DL560
• ML110, ML350, RL300

HP ProLiant G12 (Gen12) Series Servers

• DL320, DL340, DL360, DL380, DL380a
• DL384, DL580
• ML350
• HP Synergy 480 Compute Module

HPE P47846-B21 3.84TB NVMe Gen4 SSD

The HPE P47846-B21 3.84TB NVMe Gen4 Mainstream Performance Read Intensive SFF BC U.3 TLC Static Multi Vendor SSD is engineered to deliver high-performance storage solutions for enterprise and data center environments. Built on the latest NVMe Gen4 technology, this SSD provides enhanced read-intensive capabilities optimized for workloads requiring consistent low latency, high throughput, and superior reliability. With a storage capacity of 3.84TB, this drive is ideal for handling large-scale applications, databases, virtualized workloads, and mission-critical storage systems. Its SFF (Small Form Factor) design ensures seamless integration into modern server architectures while the U.3 interface provides backward compatibility with legacy U.2 infrastructure.

NVMe Gen4 Technology for Maximum Performance

The HPE P47846-B21 leverages the NVMe Gen4 interface to deliver unprecedented bandwidth and low latency performance compared to traditional SATA and SAS SSDs. NVMe Gen4 doubles the PCIe lane throughput over Gen3, allowing for faster data transfers and reduced bottlenecks in read-intensive workloads. This makes it highly suitable for data-intensive applications such as high-frequency trading, analytics, cloud computing, and AI-based processing. By enabling higher queue depths and more efficient parallelism, this SSD ensures that enterprise environments can maintain responsiveness even under peak workload conditions.

Mainstream Performance and Read-Intensive Optimization

This SSD is specifically optimized for read-intensive workloads, meaning it excels in applications that require frequent data access with fewer write operations. HPE has calibrated the drive’s firmware and NAND technology to ensure consistent performance and endurance in scenarios where read operations dominate, such as web servers, caching layers, content delivery networks, and large-scale file repositories. The mainstream performance profile makes it a cost-effective choice for enterprises seeking to balance high throughput with optimized storage efficiency.

TLC NAND and Static Wear-Leveling

The drive employs TLC (Triple-Level Cell) NAND technology, offering a robust combination of storage density, reliability, and cost-effectiveness. In addition, the HPE P47846-B21 utilizes static wear-leveling algorithms that ensure even distribution of write cycles across the NAND cells, prolonging the drive’s lifespan and reducing the risk of premature failures. These technologies collectively provide a dependable SSD solution capable of supporting mission-critical workloads while maintaining consistent performance over time.

Small Form Factor (SFF) and U.3 Compatibility

Designed in a compact SFF (2.5-inch) form factor, the HPE P47846-B21 enables dense storage deployments, reducing rack space usage while maximizing capacity. The U.3 interface provides backward compatibility with U.2 systems, making it easy to integrate into existing HPE ProLiant and Apollo server infrastructures without requiring hardware modifications. This flexibility allows organizations to scale storage infrastructure efficiently while leveraging the latest NVMe performance advantages.

Enhanced Reliability and Data Integrity

Reliability is a cornerstone of enterprise storage, and the HPE P47846-B21 addresses this with features such as power-loss protection, end-to-end data path protection, and advanced error correction codes (ECC). These technologies safeguard critical data against unexpected power outages and ensure data integrity across all read and write operations. Moreover, the SSD undergoes rigorous HPE testing and validation to meet enterprise-grade reliability standards, providing IT administrators with peace of mind in deploying these drives in high-availability environments.

Multi Vendor Compatibility

The HPE P47846-B21 is certified as a multi-vendor SSD, ensuring compatibility with a wide range of HPE storage controllers and server platforms. This multi-vendor certification simplifies procurement, deployment, and maintenance processes for enterprise IT teams, reducing the risk of vendor lock-in while offering the flexibility to scale storage solutions according to evolving business needs. Additionally, multi-vendor support ensures seamless integration with HPE OneView and other server management tools for streamlined monitoring and management.

Performance Metrics and Benchmarking

Performance metrics are critical for evaluating the suitability of SSDs in demanding workloads. The HPE P47846-B21 delivers exceptional sequential read speeds, low-latency random reads, and consistent IOPS performance under heavy workloads. By leveraging NVMe Gen4, the drive achieves significantly faster access times and data transfer rates compared to Gen3 alternatives. Benchmarking studies indicate that this SSD can sustain high read throughput while maintaining low latency even under intensive multi-user or virtualized environments, making it ideal for enterprise-scale applications.

Applications and Workload Suitability

The HPE P47846-B21 is designed to excel in read-intensive enterprise workloads. Typical applications include high-performance computing (HPC), virtualization, database management, analytics, and cloud storage. Its high-density storage capability allows organizations to consolidate storage resources, reduce data center footprint, and maintain consistent application performance. The drive’s architecture also supports workloads that require predictable performance, such as caching layers, content delivery systems, and large-scale document repositories.

Data Center Optimization

In modern data centers, efficiency and scalability are paramount. The HPE P47846-B21’s compact SFF design enables high-density deployment within server racks, increasing the total available storage per rack unit. NVMe Gen4 performance ensures that storage bottlenecks are minimized, improving overall server and application efficiency. Additionally, HPE’s firmware optimization reduces latency and increases read efficiency, which directly contributes to lower total cost of ownership (TCO) by reducing the need for additional hardware resources to handle high workloads.

Energy Efficiency and Thermal Management

Power consumption and heat generation are crucial factors in enterprise storage design. The HPE P47846-B21 SSD is optimized for energy efficiency, consuming less power compared to traditional SAS drives while delivering higher performance. Its SFF form factor and thermal design support effective heat dissipation within dense server enclosures, ensuring stable performance even in high-temperature environments. This balance of power efficiency and thermal reliability contributes to a more sustainable data center operation while minimizing cooling costs.

Firmware Features and Enterprise Management

Firmware plays a pivotal role in enterprise SSD performance, and the HPE P47846-B21 includes advanced features for monitoring, management, and optimization. Features such as SMART monitoring, firmware update support, and diagnostic utilities enable IT teams to proactively manage drive health and performance. Integration with HPE management tools allows for real-time monitoring, automated reporting, and predictive analytics to prevent failures and maximize uptime. These firmware capabilities ensure that storage infrastructure remains resilient, scalable, and reliable over its operational lifecycle.

Security Features and Data Protection

Data security is integral to enterprise storage solutions. The HPE P47846-B21 includes encryption support to protect sensitive data at rest, as well as compliance with industry-standard security protocols. By implementing hardware-based encryption, the drive ensures that data remains secure without compromising performance. Additionally, features such as secure erase and crypto erase allow organizations to safely decommission or repurpose drives without risking data leakage, aligning with modern enterprise security and regulatory compliance requirements.

Scalability and Future-Proofing

Enterprises require storage solutions that can scale alongside business growth. The HPE P47846-B21’s high-capacity 3.84TB model, combined with NVMe Gen4 technology, provides a future-proof storage solution capable of supporting next-generation workloads. Its backward-compatible U.3 interface ensures seamless integration with existing hardware, allowing businesses to upgrade incrementally without complete infrastructure overhaul. This combination of high performance, capacity, and compatibility ensures long-term value and operational flexibility.

Use Case Scenarios in Enterprise IT

Typical use cases for the HPE P47846-B21 include large-scale virtualized environments, database acceleration, cloud storage optimization, and read-heavy analytic workloads. IT administrators can deploy these SSDs in tiered storage architectures, positioning them as high-speed read caches or primary storage for read-intensive applications. The drive’s endurance, reliability, and performance consistency make it suitable for high-demand, 24/7 enterprise operations where downtime or latency can result in significant business impact.