779168-B21 HPE 400GB SSD SAS 12GBPS SC SFF Enterprise

Highlights of HPE 400GB SAS SSD

Manufacturer Details

• Brand: HPE
• Model Number: 779168-B21
• Drive Category: Hot-Swap Solid State Drive

Technical Specifications

Storage Capacity & Design

• Size: 400 Gigabytes
• Form Factor: 2.5-inch Small Form Factor
• Height: 15 mm (0.6 inches)

Interface & Memory Type

• Connection Type: SAS 12Gbps
• Flash Memory: Multi-Level Cell
• Plug Style: Hot Pluggable
• Carrier Format: Smart Carrier

Workload & Feature Set

• Usage Profile: Write-Intensive, Enterprise Mainstream
• Durability: Mainstream Endurance
• Bundled Accessory: HPE Smart Carrier
• Supported Platforms: HPE ProLiant Rack, Tower, BladeSystem, Synergy Servers

Performance Metrics

Data Transfer & Speed

• Endurance DWPD: 10
• Transfer Rate: 12 Gb/sec
• Max Sequential Read: 1000 MiB/s
• Max Sequential Write: 700 MiB/s

Latency & IOPS

• Read Latency (4KiB, Q1): 105 µs
• Write Latency (4KiB, Q1): 37 µs
• Random Read IOPS (Q=16): 103,000
• Random Write IOPS (Q=16): 68,000
• Max Random Read IOPS (Q64): 132,000
• Max Random Write IOPS (Q16): 68,000
• Mixed Workload IOPS (70/30, Q32): 89,000
• Mixed Workload IOPS (50/50, Q32): 74,000

Connectivity & Expansion

• Drive Bay Compatibility: 2.5-inch SFF
• Interface Port: 1 x SAS 12Gb/s

Energy Efficiency

Power Usage Profile

• Idle Consumption: 1.88 Watts
• Random Read: 3.49 Watts
• Random Write: 3.49 Watts
• Sequential Read: 5.36 Watts
• Sequential Write: 7.83 Watts
• Mixed Random R/W: 3.49 Watts

System Compatibility

Supported HPE ProLiant Series

Blade Servers

• BL420c (Gen8, Gen9)
• BL460c (Gen8, Gen9)
• BL465c (Gen8, Gen9)
• BL660c (Gen8, Gen9)

Rack Servers

• DL20, DL60, DL80, DL120, DL160, DL180, DL320e, DL360, DL360e, DL388, DL360p, DL380, DL380e, DL380p, DL385p, DL560, DL580 (Gen8, Gen9)

Tower Servers

• ML110, ML150, ML310e, ML350, ML350e, ML350p (Gen8, Gen9)

Scalable Line Servers

• SL230s, SL250s, SL270s (Gen8, Gen9)

High-Density XL Servers

• XL170r, XL190r, XL220a, XL230a, XL250a (Gen9)

Storage Arrays & Appliances

• HPE D3700, D2220sb
• HPE StoreEasy 1830, 1840
• HPE StoreVirtual VSA: 4130, 4330, 4330(FC), 4335, 4335 (Hybrid SAN), 4530, 4630, 4730, 4730(FC)

HPE 779168-B21 400GB SSD SAS 12Gbps SC SFF Overview

The HPE 779168-B21 400GB SSD SAS 12Gbps SC SFF Enterprise drive represents a high-performance, highly reliable solid-state storage solution engineered for demanding data center workloads. Designed to meet the performance, endurance, and efficiency standards of enterprise-grade environments, this SSD combines exceptional data throughput with robust reliability features. With its Small Form Factor (SFF) and 12Gbps SAS interface, the HPE 779168-B21 provides faster access times and lower latency compared to traditional spinning hard drives, ensuring mission-critical applications operate with maximum responsiveness.

This enterprise-class solid-state drive is part of HPE’s extensive portfolio of server storage options and is optimized for HPE ProLiant servers, BladeSystems, and Synergy platforms. By leveraging the SAS 12Gbps interface, it delivers consistent and predictable I/O performance for workloads that depend on high-speed data access, such as virtualization, online transaction processing (OLTP), and large-scale analytics. The 400GB capacity makes it ideal for caching, tiered storage, or as a primary system drive in applications where performance is paramount.

Advanced SAS 12Gbps Interface Performance

The 12Gbps SAS interface on the HPE 779168-B21 SSD ensures superior data transfer speeds and improved command queuing capabilities. This interface doubles the bandwidth of previous 6Gbps SAS generations, enabling faster communication between the drive and host controllers. Such high-speed connectivity allows enterprise servers to handle larger volumes of transactions per second, improving response times across multiple applications. The SAS protocol’s full-duplex nature also provides simultaneous read and write operations, optimizing performance under mixed workloads that include both sequential and random data access patterns.

In addition to throughput improvements, the SAS interface maintains compatibility with legacy systems, allowing IT administrators to integrate this drive seamlessly into existing infrastructures. The backward compatibility ensures that organizations can transition to next-generation performance without requiring a complete overhaul of their storage infrastructure. This flexibility enhances the value proposition of the HPE 779168-B21 SSD for both upgrades and new deployments in enterprise environments.

Enterprise-Class Endurance and Reliability

Enterprise SSDs such as the HPE 779168-B21 are designed for longevity and consistent performance under sustained workloads. Unlike consumer-grade SSDs, which are optimized for lighter read-write cycles, enterprise SSDs are built to endure continuous I/O operations. The drive’s firmware and NAND flash management algorithms ensure minimal wear-leveling impact, extending its operational lifespan. Its high endurance rating allows it to handle multiple drive writes per day (DWPD), making it suitable for data-intensive applications such as database servers, big data analytics, and cloud service platforms.

Reliability is further reinforced by built-in error correction and end-to-end data protection technologies. These features ensure data integrity from the host system through to the storage medium, minimizing the risk of data corruption during transfer or storage. The HPE 779168-B21 also supports power loss protection, which prevents data loss during unexpected outages by maintaining in-flight write operations in non-volatile memory. This design approach ensures business continuity and operational resilience, even in challenging conditions.

Small Form Factor Efficiency

The Small Form Factor (SFF) design of the HPE 779168-B21 SSD enables space-efficient storage configurations in enterprise rackmount and blade servers. Measuring 2.5 inches, it allows for higher drive densities per server chassis, optimizing both performance and capacity per rack unit. This compact design contributes to better airflow and cooling efficiency within data center environments, helping organizations reduce overall power consumption and thermal output.

Deploying SFF drives such as the HPE 779168-B21 allows data centers to achieve higher storage density without sacrificing speed or reliability. Its compatibility with HPE’s Smart Carrier (SC) system further simplifies installation, hot-swapping, and drive management, enabling IT teams to perform upgrades and replacements without downtime. The SC design also includes LED indicators that communicate drive status and health information, facilitating proactive maintenance and reducing the risk of unplanned service interruptions.

Optimized for Enterprise Applications

The HPE 779168-B21 400GB SAS SSD is purpose-built for mission-critical enterprise workloads that require consistent and predictable performance. It delivers exceptional IOPS (Input/Output Operations Per Second) rates, low latency, and minimal jitter, ensuring applications operate with maximum efficiency. From virtualization environments to high-frequency trading platforms, the drive’s performance consistency helps maintain operational stability under peak loads.

Virtualization and Cloud Workloads

In virtualized infrastructures, storage performance plays a critical role in determining overall system responsiveness. The HPE 779168-B21 SSD supports high concurrency levels, enabling multiple virtual machines to access data simultaneously without performance degradation. Its superior I/O handling capabilities reduce bottlenecks, allowing virtualized environments to scale effectively. When deployed in cloud service frameworks, this drive supports faster provisioning of virtualized resources, shorter boot times, and improved end-user experiences.

Encryption and Compliance Readiness

The HPE 779168-B21 can be deployed within encrypted storage frameworks to meet enterprise compliance standards. When paired with HPE Smart Array controllers that support encryption, this SSD provides full-disk encryption capabilities, safeguarding data at rest against unauthorized access. Such protection mechanisms help organizations comply with industry regulations like GDPR, HIPAA, and PCI-DSS, ensuring sensitive data remains protected even in multi-tenant or distributed environments.

Integration with HPE ProLiant and Synergy Servers

The HPE 779168-B21 SSD is fully qualified and certified for use in HPE ProLiant Gen9 and Gen10 servers, as well as Synergy and BladeSystem platforms. This level of integration guarantees optimal performance, compatibility, and support. When used within these ecosystems, the drive benefits from HPE’s Smart Array technology, which delivers advanced RAID capabilities, improved fault tolerance, and intelligent caching. The synergy between HPE hardware components ensures that organizations experience the highest possible performance and reliability levels from their infrastructure investments.

HPE Smart Array Compatibility and Optimization

HPE Smart Array controllers are designed to complement the performance characteristics of HPE SSDs like the 779168-B21. They provide advanced features such as predictive spare activation, RAID rebuild optimization, and real-time health monitoring. These enhancements ensure that storage systems remain resilient even in the event of drive failures. The controllers also optimize queue depth and command prioritization, enabling the SSD to deliver sustained throughput under concurrent workloads. As a result, businesses can achieve better performance consistency across applications and users.