345-BLHY Dell DC P5800X Series 400GB NVMe PCI-E NVMe U.2 2.5 Inch SSD

Overview of Dell 345-BLHY 400GB Optane DC P5800X SSD

The Dell 345-BLHY 400GB Optane DC P5800X Series Write Intensive U.2 PCIe 4.0 x4 NVMe SSD is engineered to deliver exceptional speed, sustained write endurance, and predictable low-latency performance for modern data-centric environments. Built on Intel Optane media technology and optimized for Dell 14G and 15G PowerEdge servers, this 2.5-inch, 15mm small form factor drive is purpose-designed for high-intensity workloads such as real-time analytics, high-frequency transactional systems, database acceleration, virtualization, and mission-critical enterprise storage infrastructures.

General Specification

• Manufacturer: DELL
• Dell Part Number: 345-BLHY
• Product Series: DC P5800X
• Product Name: Optane DC P5800X Series Solid State Drive
• Purpose: Write-intensive enterprise storage applications
• Design Compatibility: Tailored for Dell PowerEdge 14G and 15G servers
• Enterprise Reliability: 2 million hour MTBF and 1000G shock resistance
• Media Technology: Intel Optane Memory, ideal for ultra-low latency requirements

Technical Specifications  

• Storage Capacity: 400GB
• Interface Type: PCIe 4.0 x4, NVMe
• Form Factor: 2.5-inch, 15mm height
• Components: Intel Optane Memory Media
• MTBF: 2,000,000 hours
• Shock Resistance: 1000G

Performance Characteristics

• Sequential Read: Up to 7200 MB/s
• Sequential Write: Up to 6200 MB/s
• Random Read IOPS (4K): 1,500,000
• Random Write IOPS (4K): 1,500,000

Compatibility with Dell PowerEdge Servers

• PowerEdge C6420
• PowerEdge C6620
• PowerEdge R440
• PowerEdge R640
• PowerEdge R650
• PowerEdge R650xs
• PowerEdge R6515
• PowerEdge R6525
• PowerEdge R740xd
• PowerEdge R7425
• PowerEdge R750
• PowerEdge R750xa
• PowerEdge R750xs
• PowerEdge R7515
• PowerEdge R7525
• PowerEdge R760
• PowerEdge R840
• PowerEdge R940
• PowerEdge R940xa
• PowerEdge T550

Product Outline of Dell 345-BLHY 400GB NVMe SFF SSD

The Dell 345-BLHY Optane DC P5800X SSD is engineered for write-intensive workloads—an environment where conventional NAND-based SSDs often struggle due to write amplification, latency inconsistency, and endurance limitations. The Optane media inside this drive excels under sustained pressure, delivering remarkable throughput, deterministic latency, and exceptional write endurance cycles. For tasks such as transaction logging, metadata indexing, OLTP processing, and real-time synchronization events, this SSD stands out as a high-performance cornerstone in enterprise storage strategies.

Why Optane Media Outperforms NAND-Based Storage

Intel Optane memory media distinguishes itself by eliminating many limitations inherent to NAND-based SSDs. Its cell structure allows significantly faster data access, minimal wear over time, and near-zero latency spikes under load. Optane does not rely on large block erases before writing; instead, it supports fine-grain data manipulation, making it ideal for servers responsible for frequent, high-volume write operations.

Key Benefits of Optane-Based SSD Architecture

Ultra-Low Latency: Predictable response times even at high queue depths
Sustained Endurance: Engineered for write-dominant tasks with extremely long lifecycle
High Stability: Minimal performance variability under heavy concurrent workloads
Superior QoS: High quality of service essential for sensitive data paths

Optimization for Real-Time Data Processing

In environments where real-time responsiveness is critical, the Dell 345-BLHY shines as a high-performance component. Its ability to maintain millions of IOPS consistently allows applications such as distributed computing frameworks, containerized services, and high-performance virtual machine clusters to scale without storage bottlenecks. Daily operations involving continuous data ingestion and processing benefit significantly from the drive’s capacity to maintain peak performance levels without degradation.

Enterprise Data Protection and Reliability

With a mean time between failure (MTBF) of 2 million hours and a shock tolerance of 1000G, the Dell 345-BLHY 400GB Optane DC P5800X SSD meets rigorous enterprise reliability requirements. This drive is specifically designed to maintain data integrity during unexpected failures, abrupt shutdowns, or electrical fluctuations. High endurance guarantees extended operational lifetime, especially beneficial in continuous write-intensive deployments where standard SSDs fail prematurely.

Operational Stability Through Advanced Error Correction

The SSD incorporates advanced ECC layers and internal recovery algorithms to monitor data flows, protect against bit corruption, and ensure block integrity. In mission-critical infrastructures, preventing metadata inconsistencies and write faults is essential, and the Optane DC P5800X’s onboard controllers are engineered to provide this level of operational security.

Performance Scaling in PCIe 4.0 x4 NVMe Architectures

Utilizing a PCI Express 4.0 ×4 interface, this Optane SSD leverages the full bandwidth of next-generation server platforms. With the ability to achieve 7200 MB/s read throughput and 6200 MB/s write throughput, the drive ensures optimized performance in systems that rely heavily on concurrent data streams, high-frequency transactions, and heavy caching workloads. The NVMe protocol further enhances efficiency by minimizing CPU overhead, improving queue-handling efficiency, and reducing latency during multithreaded tasks.

Sequential and Random Performance Advantages

The 345-BLHY is particularly strong in both sequential and random performance metrics—a rare combination for enterprise SSDs. It delivers up to 1.5 million IOPS for both random read and random write operations at 4K block sizes. This unmatched performance not only boosts user-facing application responsiveness but also significantly improves backend system behavior during peak loads.

Use Cases

The Dell 345-BLHY Optane DC P5800X is specifically suitable for applications that require exceptional write speed, long-term endurance, and stable latency characteristics. Businesses relying on real-time decision-making, financial systems, AI inferencing, and critical cloud platforms will find this drive indispensable. Its high performance in both small and large block operations makes it adaptable to numerous enterprise-level use cases.

Database and Transaction Processing Acceleration

OLTP systems, relational databases, NoSQL storage engines, and in-memory database platforms often require rapid data writes, log persistence, and minimal commit delays. The Optane DC P5800X’s high write throughput and deterministic latency offer significant improvements in transaction handling efficiency.

High-Performance Computing (HPC) and Data Analytics

HPC environments rely on rapid data interchange, parallel I/O operations, and large-scale computation workloads that can overwhelm standard SSDs. The Optane DC P5800X mitigates such bottlenecks by maintaining stable performance even under heavy write bursts.

Virtualization and Hyperconverged Infrastructure

Virtualized environments benefit from the drive’s balanced I/O profile, enabling more VMs per node and improving storage responsiveness. Hyperconverged systems—especially those built around VMware vSAN, Microsoft Storage Spaces Direct, or Nutanix—gain significant performance uplift from Optane-backed caching layers.

Mechanical and Thermal Efficiency for Modern Server Racks

Designed in a compact 2.5-inch 15mm form factor, the Dell 345-BLHY SSD fits seamlessly into dense server chassis. Its low heat generation and optimized thermal dissipation characteristics allow deploying high-density storage arrays without excessive thermal constraints. Enterprise rack systems that demand consistent operation under high workload conditions benefit from the thermal efficiency engineered into the Optane DC P5800X.

Shock Resistance and Mechanical Reliability

With a shock resistance rating of 1000G, this SSD ensures continued operation even in environments subject to vibration, physical handling, or sudden enclosure movements. These characteristics make it suitable for edge servers, mobile data centers, and remote-field IT deployments.

Extended Compatibility Across 14G and 15G Dell PowerEdge Servers

Compatibility is a major advantage of the Dell 345-BLHY SSD. It supports an extensive list of Dell PowerEdge servers across multiple generations, making it ideal for organizations that manage heterogeneous environments. From compact 1U rack servers to large-scale enterprise compute nodes, the drive provides seamless integration.

Rack Servers Optimized for Storage and Virtualization

Models such as the PowerEdge R650, R750, R740xd, and R760 are known for mixed-use virtualization, clustering, and large-scale business applications. The Optane DC P5800X provides high I/O consistency, enabling these servers to handle dense VM workloads and latency-sensitive applications effectively.

High-Density Compute Nodes

Systems like the PowerEdge C6420 and C6620 used in HPC clusters or cloud service infrastructures benefit from the drive's ability to minimize latency while processing vast amounts of data across multiple compute tasks simultaneously.

Enterprise Flagship Servers

High-end platforms such as the PowerEdge R940, R940xa, and R840 leverage Optane-based SSDs to accelerate mission-critical workloads, in-memory analytics, and multi-terabyte data environments where predictable performance is essential.

Data Center Efficiency and Performance Scaling

In data centers focused on scaling throughput, reducing latency, and supporting hybrid cloud architectures, the Dell 345-BLHY 400GB Optane DC P5800X is a strategic upgrade. Its exceptional IOPS performance and PCIe 4.0 interface capability maximize the server node's ability to handle concurrent users, large datasets, and high-frequency transactional workloads.

Power Efficiency Advantages

Beyond performance metrics, Optane SSDs provide consistent power consumption patterns, reducing the power spikes commonly seen in flash-based drives during write bursts. This contributes to improved thermal stability and reduced cooling costs in dense server architectures.

Latency Optimization for Modern Applications

Applications built on distributed microservices, event-driven architectures, or real-time processing pipelines depend on predictable latency. The Optane DC P5800X offers microsecond-level responsiveness, ensuring consistent application performance without degradation due to high I/O concurrency.

Scalability and Future-Proofing

By offering PCIe 4.0 support, industry-leading IOPS, and Optane memory media, the Dell 345-BLHY provides longevity in evolving data architectures. As organizations adopt AI, machine learning workloads, containerized applications, and real-time data pipelines, this SSD delivers the high-performance foundation necessary to support next-generation IT operations without premature hardware obsolescence.

AI and Machine Learning Workload Enhancement

AI and ML platforms process enormous amounts of data, often requiring rapid iterative writes during training phases. The Optane DC P5800X’s ability to maintain high write throughput makes it ideal for these environments, enabling quicker model training cycles and minimal I/O-induced bottlenecking.