345-BLJY Dell 7.68TB Gen4 Read Intensive NVMe PCI-E SSD

Dell 7.68TB PCI-E Gen4 NVMe Enterprise SSD

Comprehensive Product Overview

• Brand: Dell Certified Storage
• Part Number: 345-BLJY
• Category: Internal Enterprise SSD
• Form Factor: U.2, 15mm, 2.5-Inch

Core Specifications

• Device Type: Solid State Drive - Internal
• Storage Capacity: 7.68TB
• Interface: PCI Express 4.0 x4 with NVMe protocol
• Flash Memory: Triple-Level Cell (TLC) NAND
• Workload Profile: Read-intensive endurance (1 DWPD)
• Protocol: NVMe 1.4
• Form Factor: U.2 2.5-Inch Hot Plug
• Endurance: 1DWPD (Drive Writes Per Day)
• Performance Tier: Read-Intensive
• MTBF: >2.5 million hours
• Power Consumption: <14W active, <5W idle
• Hot-Plug Support: Yes

Performance & Reliability

• Delivers ultra-fast throughput with PCIe Gen4 bandwidth
• Optimized for large-scale data retrieval and cloud workloads
• Low-latency access ensures smooth enterprise application response
• Proven Dell reliability for consistent performance across deployments

Connectivity & Expansion

• Available Interfaces: Dual PCIe 4.0 x4 NVMe connectors
• Bay Support: 2.5-Inch internal hot-plug slots
• Engineered for scalability in multi-drive environments

Supported PowerEdge Platforms

This 7.68TB Dell NVMe SSD is compatible with a wide array of Dell PowerEdge systems, spanning rack, tower, and high-performance compute servers:

• Rack Servers: PowerEdge R440, R640, R6415, R6515, R6525, R660xs, R6615, R6625, R670, R740xd, R7415, R7425, R7515, R7525, R760, R760xa, R7615, R7625, R770, R840, R940, R940xa, R960
• Modular & Cloud Platforms: PowerEdge C6420, C6525, C6620
• Tower Server: PowerEdge T560
• High-Performance Compute & AI Systems: PowerEdge XE9640, XE9680, XR7620

Dell 345-BLJY 7.68TB Gen4 NVMe SSD: High-Capacity Read-Intensive Enterprise Storage

The Dell 345-BLJY 7.68TB Gen4 2.5-Inch Read Intensive NVMe U.2 PCIe SSD is a next-generation enterprise-grade solid-state drive engineered for high-performance, read-centric workloads. Leveraging PCIe Gen4 and NVMe 1.4 protocol, this SSD delivers ultra-fast data access, low latency, and exceptional scalability. Its U.2 form factor ensures compatibility with Dell PowerEdge servers, while hot-plug support enables seamless maintenance and upgrades. Designed for environments such as virtual desktop infrastructure (VDI), media streaming, web hosting, and analytics platforms, the 345-BLJY SSD offers a compelling blend of speed, reliability, and capacity.

Technical Specifications and Performance Overview

The Dell 345-BLJY SSD integrates advanced NAND flash technology with a high-performance controller optimized for PCIe Gen4. Its 2.5-inch U.2 form factor allows for dense storage configurations in rack-mounted systems, while its read-intensive endurance profile ensures long-term reliability in data-heavy environments.

Performance Metrics

• Sequential Read: Up to 7,000MB/s
• Sequential Write: Up to 3,500MB/s
• Random Read IOPS: Up to 1,000,000
• Random Write IOPS: Up to 180,000
• Latency: <20µs read, <30µs write

NVMe SSD Subcategory: Redefining Enterprise Storage

NVMe (Non-Volatile Memory Express) SSDs represent a transformative leap in storage architecture. Unlike legacy SATA and SAS interfaces, NVMe communicates directly with the CPU via PCIe lanes, eliminating protocol bottlenecks and enabling parallel command execution. The Dell 345-BLJY SSD exemplifies this innovation, delivering unmatched performance for read-intensive applications.

Advantages of NVMe over SATA and SAS

• Higher bandwidth via PCIe Gen4 interface
• Lower latency with streamlined command sets
• Improved scalability for multi-tenant environments
• Reduced CPU overhead and faster I/O processing
• Enhanced thermal and power efficiency

Use Cases for NVMe Read-Intensive SSDs

• Virtual desktop infrastructure (VDI)
• High-speed media streaming platforms
• Web hosting and content delivery networks (CDNs)
• Real-time analytics and reporting
• Database acceleration for read-heavy queries

U.2 Form Factor: Optimized for Server Integration

The U.2 2.5-inch form factor offers a balance between performance, density, and serviceability. Unlike M.2 drives, U.2 SSDs support hot-plug functionality and are designed for rack-mounted server environments. The Dell 345-BLJY SSD utilizes this form factor to deliver enterprise-grade performance while maintaining compatibility with existing infrastructure.

Benefits of U.2 SSDs in Data Centers

• Hot-plug support for zero-downtime maintenance
• Standardized 2.5-inch dimensions for easy deployment
• Improved thermal dissipation via metal enclosures
• Support for high-capacity NAND configurations
• Compatibility with Dell PowerEdge drive bays

1DWPD Endurance: Tailored for Read-Intensive Workloads

The Dell 345-BLJY SSD features a 1DWPD endurance rating, indicating it can sustain one full drive write per day over its warranty period. This endurance level is optimized for read-intensive environments where write operations are minimal, allowing for higher capacity at lower cost per GB.

Understanding DWPD and TBW Metrics

• DWPD (Drive Writes Per Day): Daily write capacity over warranty
• TBW (Total Bytes Written): Cumulative write endurance
• 345-BLJY TBW Estimate: ~14,000TB
• Warranty Period: Typically 5 years

Endurance Optimization Technologies

• Advanced wear leveling algorithms
• Over-provisioning for spare block allocation
• ECC (Error Correction Code) for data integrity
• Thermal throttling to prevent NAND degradation

Compatibility with Dell PowerEdge Platforms

The Dell 345-BLJY SSD is validated for use across a wide range of Dell PowerEdge servers, including R650, R750, and MX750c models. Its firmware is optimized for Dell RAID controllers and storage backplanes, ensuring seamless integration and management via Dell OpenManage and iDRAC tools.

Certified Compatibility Matrix

• Dell PowerEdge R650
• Dell PowerEdge R750
• Dell PowerEdge MX750c
• Dell PowerEdge T550
• Dell PowerEdge C6525

Benefits of OEM-Certified NVMe Drives

• Firmware compatibility with Dell storage controllers
• Support for Dell diagnostics and lifecycle management
• Warranty alignment with Dell service contracts
• Reduced risk of firmware conflicts or performance bottlenecks

Thermal and Power Efficiency in PCIe Gen4 SSDs

Despite its high performance, the Dell 345-BLJY SSD maintains efficient thermal and power profiles. Active power consumption remains below 14W during peak operations, while idle power draw is typically under 5W. This efficiency contributes to lower data center energy costs and improved airflow management.

Thermal Design Features

• Aluminum casing for passive heat dissipation
• Temperature sensors for dynamic throttling
• Firmware-controlled thermal limits
• Compatibility with Dell airflow-optimized drive bays