HPE P49318-B21 15.36 TB SAS 12Gbps Read Intensive SFF New

Product Overview: HPE P49318-B21 15.36TB SAS SSD

Discover the HPE P49318-B21 — a high-capacity, enterprise-grade solid-state drive optimized for read-intensive workloads. This compact 2.5" SFF SAS drive delivers exceptional throughput, low latency and robust reliability for data centers and storage arrays.

General Specifications

Product Details

Product name: HPE P49318-B21 Solid State Drive
Capacity: 15.36 TB
Form factor: 2.5" (SFF)
Interface: SAS 12 Gbps (backward/forward compatible with SAS 24 Gbps link)
Drive class: Internal enterprise SSD
Endurance rating: Read-intensive (1 DWPD)
Included: HPE Basic Carrier (tray)

Performance Characteristics

Random read IOPS: Up to 150,000 IOPS
Random write IOPS: Up to 140,000 IOPS
Average random read latency: ~97 µs
Average random write latency: ~26 µs
Max sequential read throughput: ~2,030 MiB/s
Max sequential write throughput: ~1,950 MiB/s

Interface & Expansion

Connectivity

Primary interface: SAS 12Gb/s
Link capability: compatible with SAS 24Gb/s backplanes (1 x SAS 24Gb/s link available on some platforms)
Drive bay support: 2.5" bays

Key Benefits & Highlights

Massive capacity: 15.36 TB raw storage for large datasets and archival acceleration.
High throughput: Sequential read/write speeds up to ~2,030/1,950 MiB/s for demanding applications.
Low latency: Average random read/write latency optimized for quick access patterns.
Enterprise endurance: Read-intensive design (1 DWPD) for sustained read workloads with long service life.
Plug-and-play: Includes HPE basic carrier for easy installation in compatible servers.

Compatibility & Supported Platforms

This HPE enterprise SSD is engineered for broad compatibility across modern ProLiant servers and HPE storage nodes. Ideal for database acceleration, caching tiers and read-centric storage pools.

Compatible HPE Models

HPE ProLiant DL20 Gen10 Plus (2.5") — All SKUs
HPE ProLiant DL325 Gen10 Plus V2 (2.5") — Base & Performance variants
HPE ProLiant DL345 Gen10 Plus (2.5")
HPE ProLiant DL360 Gen10 Plus (2.5") — Multiple configurations including NVMe and software-defined storage variants
HPE ProLiant DL365 Gen10 Plus (2.5")
HPE ProLiant DL385 Gen10 Plus V2 (2.5")
HPE SimpliVity 325 Gen10 Plus V2 Node (2.5")

Ideal Workloads

Recommended Scenarios

Read-heavy database queries and analytics
Virtual desktop infrastructure (VDI) with high read I/O
Content delivery, media streaming and caching layers
Backup acceleration and nearline hot storage

HPE P49318-B21 15.36TB SSD: Enterprise Storage Redefined

The HPE P49318-B21 represents the pinnacle of enterprise-grade solid-state storage technology, delivering exceptional capacity, performance, and reliability for demanding data center environments. As part of HPE's extensive portfolio of storage solutions, this 15.36TB SAS drive is engineered specifically for read-intensive applications where consistent performance and data integrity are paramount.

Unparalleled Storage Density and Performance

With its massive 15.36TB capacity in a small form factor (SFF) design, the P49318-B21 enables organizations to maximize storage density while minimizing physical footprint. The drive leverages SAS 12Gbps interface technology to deliver blistering transfer speeds that significantly outperform SATA-based alternatives, making it ideal for I/O-intensive workloads where latency reduction is critical to application performance.

Key Capacity and Interface Advantages

The 15.36TB capacity point positions this drive perfectly for organizations dealing with large-scale datasets, including big data analytics, content repositories, and virtualized environments. The SAS 12Gbps interface not only provides superior bandwidth but also offers enhanced scalability through dual-port functionality, ensuring continuous data availability even in the event of controller failure.

Comprehensive Technical Specifications

Understanding the detailed specifications of the HPE P49318-B21 is essential for proper integration into your storage infrastructure. This drive incorporates cutting-edge NAND technology and enterprise-grade components to deliver consistent performance across its entire lifespan.

Physical and Interface Specifications

The drive conforms to the 2.5-inch small form factor specification with a height of 15mm, making it compatible with most enterprise server and storage enclosures. The SAS 12Gbps interface ensures backward compatibility with 6Gbps and 3Gbps SAS infrastructures while providing headroom for future performance requirements.

Detailed Technical Parameters

Capacity and Form Factor

With a formatted capacity of 15.36TB, the drive utilizes 3D TLC NAND technology to achieve this high density while maintaining excellent endurance characteristics. The 2.5-inch SFF design optimizes space utilization in high-density storage configurations.

Performance Metrics

The P49318-B21 delivers exceptional random read performance of up to 190,000 IOPS and sequential read speeds reaching 1,100 MB/s. Write performance is optimized for read-intensive workloads while maintaining consistent latency profiles under varying load conditions.

Endurance and Reliability

Rated for 1.3 drive writes per day (DWPD), this read-intensive SSD offers sufficient endurance for most enterprise applications. The mean time between failures (MTBF) exceeds 2.5 million hours, underscoring the drive's enterprise-grade reliability.

Power Consumption and Environmental

Typical power consumption ranges from 8-12 watts during active operation, with sophisticated power management features that reduce energy usage during idle periods. The drive operates within standard enterprise temperature ranges of 0°C to 70°C.

Optimized Use Cases and Applications

The HPE P49318-B21 is specifically engineered for read-intensive workloads where the majority of storage operations involve data retrieval rather than writing. This focus makes it exceptionally well-suited for several critical enterprise scenarios.

Data Analytics and Business Intelligence

In analytics environments, rapid access to large datasets is crucial for timely business insights. The P49318-B21's high IOPS performance and low latency enable faster query processing and real-time analytics, directly impacting decision-making capabilities.

Big Data Implementations

For Hadoop, Splunk, and other big data platforms, the drive's massive capacity and consistent performance under heavy read workloads ensure that data scientists and analysts can access information without storage-related bottlenecks.

Virtualization and Cloud Infrastructure

Virtualized environments benefit significantly from the P49318-B21's performance characteristics. The drive excels in hosting virtual machine images, supporting rapid provisioning and deployment while handling concurrent access from multiple VMs.

VDI and Application Hosting

Virtual Desktop Infrastructure (VDI) deployments, particularly those using non-persistent desktops, generate predominantly read-oriented I/O patterns. The P49318-B21 delivers the consistent performance needed for responsive user experiences during boot storms and concurrent user access.

Content Delivery and Media Streaming

Media and entertainment organizations leverage the drive's capacity and performance for content repositories and streaming platforms. The high sequential read speeds ensure smooth video playback and efficient content distribution.

Digital Asset Management

For organizations managing large libraries of digital assets, the 15.36TB capacity provides ample space for high-resolution media files while maintaining quick access times for editing and distribution workflows.

Database Applications

Read-heavy database workloads, such as those supporting reporting services, data warehousing, and business intelligence applications, achieve significant performance improvements when deployed on the P49318-B21.

OLTP and OLAP Systems

While optimized for read-intensive operations, the drive provides sufficient write performance for mixed workloads commonly found in Online Transaction Processing (OLTP) and Online Analytical Processing (OLAP) environments.

In-Depth Performance Characteristics

The HPE P49318-B21 delivers enterprise-class performance through a combination of advanced controller technology, high-speed NAND flash, and optimized firmware. Understanding these performance characteristics helps in proper workload planning and capacity sizing.

Consistent Low Latency

Enterprise applications demand predictable performance, and the P49318-B21 delivers consistent sub-millisecond latency across varying workload conditions. This consistency is achieved through sophisticated wear-leveling algorithms and advanced garbage collection techniques.

Quality of Service (QoS) Features

The drive incorporates enterprise QoS capabilities that ensure performance predictability for mixed workloads. These features include I/O prioritization, background operation management, and thermal throttling prevention.

Sustained Performance Under Load

Unlike consumer-grade SSDs that may experience performance degradation under sustained workloads, the P49318-B21 maintains consistent performance levels thanks to its enterprise-optimized architecture and over-provisioning.

Over-Provisioning Benefits

With appropriate over-provisioning configured, the drive maintains peak performance even during heavy write operations, ensuring that read performance remains unaffected by background maintenance tasks.

Scalability and Parallelism

The SAS 12Gbps interface enables full duplex communication, allowing simultaneous read and write operations. This capability, combined with the drive's internal parallelism, ensures that performance scales effectively with increasing workload demands.

Multi-Lane Data Transfer

SAS technology supports multiple concurrent data transfers through its wide port capabilities, enabling aggregation of multiple drives without interface bottlenecks. This feature is particularly valuable in high-availability storage configurations.

Enterprise-Grade Reliability and Durability

HPE engineers the P49318-B21 to meet the rigorous demands of 24/7 enterprise operations. The drive incorporates multiple layers of protection and monitoring to ensure data integrity and maximize uptime.

Advanced Error Correction and Data Protection

The drive utilizes sophisticated error correction codes (ECC) that can correct multiple bit errors, significantly reducing the probability of data corruption. Additional protection mechanisms include end-to-end data path protection and power-loss protection.

Power-Loss Protection Implementation

Enterprise-grade capacitors provide sufficient hold-up time to complete in-progress writes and flush cache contents in the event of unexpected power failure. This feature prevents data loss and maintains filesystem integrity.

Wear Leveling and Bad Block Management

Advanced wear-leveling algorithms distribute write operations evenly across all available NAND blocks, preventing premature wear on specific areas of the flash memory. Dynamic and static wear leveling work in concert to maximize drive lifespan.

Background Media Management

The drive continuously monitors NAND health in the background, proactively identifying and retiring weak memory blocks before they can cause data integrity issues. This proactive approach minimizes unexpected drive failures.

Competitive Advantages and Differentiators

The HPE P49318-B21 offers several distinct advantages over competing solutions, making it the preferred choice for enterprise storage deployments requiring high capacity and read-optimized performance.

Power and Space Efficiency

The drive's high capacity per unit reduces the number of drives required for a given storage capacity, resulting in lower power consumption, reduced cooling requirements, and optimized rack space utilization.

P49318-B21 HPE 15.36 TB SAS 12Gbps Read Intensive SSD

Brief Overview of P49318-B21