345-BJKD Dell 7.68TB PCI-E Gen 4.0 X4 NVMe Read Intensive SSD.

Dell 345-BJKD — Enterprise 7.68TB U.2 NVMe SSD (PCIe 4.0 x4)

The Dell 345-BJKD is a high-capacity, read-intensive enterprise-grade U.2 solid state drive engineered for data-center workloads that demand large capacity, high I/O throughput, and consistent low latency. With a 7.68TB raw capacity and PCIe Gen4 x4 NVMe connectivity, this drive delivers a balance of storage density and dependable performance for database reads, content delivery, and archival hot storage.

Core Specifications

• Manufacturer: Dell
• Model / SKU: 345-BJKD
• Product Type: Internal Solid State Drive (SSD)
• Capacity: 7.68 TB (formatted capacity will be slightly lower)
• Interface: PCI Express 4.0 x4 (NVMe)
• Form Factor: U.2 (2.5" / 15 mm)
• Endurance Profile: Read-intensive (designed for workloads with higher read-to-write ratios)
• Compatible Drive Bay: 1 × internal 2.5 inch (U.2)

Performance & Workload Fit

Built for read-heavy enterprise environments, the 345-BJKD leverages PCIe Gen4 bandwidth to increase sequential and random read throughput compared with older PCIe generations. Its NVMe protocol reduces command overhead and improves queue handling, making this SSD ideal for content delivery networks, high-performance file servers, analytics platforms, and large-scale read-mostly databases.

Why choose this drive for read-intensive workloads

• Optimized internal firmware and TLC NAND calibration tuned for sustained read operations.
• High logical capacity to consolidate data and lower rack-level device counts.
• Low latency access suitable for latency-sensitive applications and caching tiers.
• U.2 form factor provides hot-plug capability in supported chassis and broad server compatibility.

Connectivity & Expansion Details

The drive presents as a PCIe Gen4 NVMe device using two PCIe lanes aggregated as x4 (NVMe across a U.2 connector). It installs into a standard 2.5-inch internal bay meant for U.2 devices and is supported by server platforms that expose NVMe over U.2 backplanes.

Interface and port characteristics

• PCIe 4.0 ×4 NVMe transport for higher throughput compared to PCIe 3.0.
• U.2 connector (15 mm) compatible with modern enterprise server bays and sleds.
• Native NVMe command set for efficient I/O and reduced CPU overhead.

Reliability, Endurance & Data Integrity

Although tuned primarily for read-intensive usage, this enterprise SSD includes standard drive-level protections expected in data-center hardware: robust error-correcting code (ECC), power-loss protection measures, and firmware-level wear management. These characteristics help maintain data integrity and predictable behavior across prolonged service life.

Enterprise-class features

• Advanced ECC and bad-block management to sustain long-term reliability.
• Wear-leveling and overprovisioning strategies to preserve NAND health.
• Power-loss recovery methods to minimize risk of partial writes during unexpected outages.
• SMART telemetry support for monitoring drive health and pre-failure indicators.

Compatibility — Tested Dell PowerEdge Platforms

The 345-BJKD is validated for a wide range of Dell PowerEdge servers. Below is a consolidated compatibility list to help you confirm platform support prior to deployment.

Supported PowerEdge systems

• PowerEdge C6420, C6525, C6620
• PowerEdge R440, R640, R6415, R6515
• PowerEdge R6525, R660xs, R6615, R6625
• PowerEdge R670, R740xd, R7415, R7425
• PowerEdge R7515, R7525, R760, R760xa
• PowerEdge R7615, R7625, R770, R840
• PowerEdge R940, R940xa, R960
• PowerEdge T560, Xe9640, Xe9680, Xr7620

Overview of Dell 345-BJKD 7.68TB PCIe Gen 4.0 NVMe U.2 SSD

The Dell 345-BJKD is a high-performance 7.68TB PCIe Gen 4.0 x4 NVMe U.2 2.5-inch solid-state drive (SSD) designed for enterprise environments. Engineered to meet the rigorous demands of modern data centers, this SSD offers exceptional read-intensive capabilities, making it ideal for applications requiring rapid data access and high throughput.

Key Features

• Capacity: 7.68TB, providing ample storage for large-scale applications and databases.
• Interface: PCIe Gen 4.0 x4 NVMe, ensuring high-speed data transfer rates.
• Form Factor: U.2 2.5-inch, compatible with a wide range of enterprise servers.
• Endurance: 1 Drive Write Per Day (DWPD), suitable for read-intensive workloads.
• Compatibility: Supports Dell PowerEdge 14G, 15G, 16G, and 17G servers.

Performance and Reliability

High-Speed Data Transfer

Utilizing the PCIe Gen 4.0 x4 interface, the Dell 345-BJKD SSD delivers superior data transfer speeds, significantly reducing latency and enhancing overall system performance. This makes it an excellent choice for applications that require quick access to large datasets.

Endurance and Longevity

With an endurance rating of 1 DWPD, this SSD is designed to handle substantial read-intensive workloads over extended periods, ensuring long-term reliability and reducing the need for frequent replacements.

Enterprise-Grade Reliability

Built with enterprise environments in mind, the Dell 345-BJKD SSD undergoes rigorous testing to meet high standards of durability and performance, providing peace of mind for critical applications.

Use Cases and Applications

Database Applications

With its high read throughput, the Dell 345-BJKD SSD is well-suited for database applications that require rapid data retrieval. Its endurance rating supports the frequent read operations typical in database environments.

Virtualization

In virtualized environments, the SSD's performance characteristics enable fast boot times and efficient data access, enhancing the overall responsiveness of virtual machines.

Data Analytics

For data analytics workloads that involve processing large datasets, the high-speed data access provided by the 345-BJKD SSD accelerates data processing times, leading to quicker insights.

Conclusion

The Dell 345-BJKD 7.68TB PCIe Gen 4.0 x4 NVMe U.2 2.5-inch SSD offers a high-performance, reliable storage solution for enterprise environments. Its compatibility with a wide range of Dell PowerEdge servers, coupled with its high endurance and read-intensive design, makes it an excellent choice for applications requiring fast data access and processing.