345-BMFS Dell 61.44TB NVMe QLC PCIe 4.0 x4 U.2 2.5 Inch SFF Solid State Drive

Dell 345-BMFS 61.44TB NVMe 2.5 Inch SFF SSD

The Dell 345-BMFS 61.44TB NVMe QLC SSD is engineered for organizations that demand enormous storage density without sacrificing speed, stability, or scalability. Built on PCIe 4.0 x4 NVMe architecture, this solid-state drive delivers outstanding throughput, ultra-low latency, and efficient power usage for enterprise servers, virtualization clusters, and large-scale cloud infrastructures.is engineered for high‑capacity data storage, exceptional throughput, and enterprise‑grade reliability. Designed for modern data centers, it delivers outstanding performance for demanding workloads.

General Information

Flash Technology

• 192-Layer QLC 3D NAND
• High-density, low-power design

Reliability & Performance

• MTBF: 2,000,000 hours
• Shock tolerance: 1,000G
• Sequential read up to 7,000 MB/s
• Sequential write up to 3,000 MB/s

Dell 345-BMFS 61.44TB NVMe U.2 Solid State Drive

The Dell 345-BMFS 61.44TB NVMe U.2 SFF QLC PCIe Gen4 4.0 x4 Enterprise Solid State Drive represents a specialized category within enterprise-class solid state storage that is designed to address extreme capacity density requirements while maintaining high-throughput NVMe performance. This category focuses on large-form-factor yet space-efficient U.2 small form factor drives that integrate seamlessly into modern data center servers, storage arrays, and hyperconverged infrastructure platforms. Drives in this category are engineered to support always-on workloads, predictable latency profiles, and scalable storage architectures that rely on PCIe Gen4 connectivity for balanced performance and efficiency.

U.2 Small Form Factor and Physical Design

Within this category, the U.2 small form factor is a defining attribute that ensures compatibility with standard 2.5-inch enterprise drive bays while delivering NVMe performance over PCIe. The Dell 345-BMFS SSD conforms to the U.2 specification, allowing it to be deployed in a wide range of Dell PowerEdge servers and supported third-party platforms that accommodate U.2 NVMe devices. This design choice enables hot-swap capability, simplified maintenance procedures, and standardized airflow patterns essential for thermal stability in dense rack environments. the small form factor does not compromise capacity, as advancements in QLC NAND stacking and controller efficiency allow the drive to achieve 61.44TB within the same physical footprint as lower-capacity enterprise SSDs. This category is particularly attractive for organizations seeking to maximize storage per rack unit while minimizing cabling complexity and power distribution overhead. The physical design also supports enterprise-grade shock resistance and vibration tolerance, ensuring reliability when deployed in multi-drive server configurations.

Thermal Management

Enterprise NVMe U.2 SSDs in this category are engineered with thermal management as a core design priority. The Dell 345-BMFS drive leverages optimized firmware power states and efficient QLC NAND behavior to balance performance with heat output. This ensures that sustained workloads do not lead to thermal throttling when installed in high-density server chassis. The category’s focus on power efficiency translates into reduced cooling requirements, which is critical for large-scale deployments where cumulative thermal output can significantly impact operational costs.

QLC NAND Technology in Enterprise Storage

The use of Quad-Level Cell NAND is a defining characteristic of this category, enabling unprecedented storage densities at a competitive cost per terabyte. QLC NAND stores four bits of data per cell, which significantly increases capacity compared to TLC or MLC NAND. In the Dell 345-BMFS enterprise SSD category, QLC is carefully optimized through controller algorithms, wear-leveling techniques, and over-provisioning strategies to ensure enterprise-grade endurance and reliability.

Endurance Profiles and Workload Alignment

Enterprise QLC NVMe SSDs such as the Dell 345-BMFS are positioned within a specific endurance profile that aligns with large-scale data consumption, analytics, and content delivery workloads. This category excels in environments where data is written once and read frequently, including data lakes, media repositories, backup repositories, and archival tiers that still require fast access times. While not designed for sustained high-write transactional databases, the category provides predictable endurance metrics that are clearly defined for enterprise planning. Organizations can confidently deploy these drives knowing that workload alignment is key to achieving optimal lifespan and performance. This transparency is a hallmark of enterprise storage categories that prioritize long-term reliability over ambiguous performance claims.

PCIe Gen4 4.0 x4 Interface Advantages

The PCIe Gen4 4.0 x4 interface is central to the performance capabilities of this category. By doubling the bandwidth available compared to PCIe Gen3, Gen4 enables enterprise NVMe SSDs to handle higher throughput and lower latency even when optimized for capacity-centric workloads. The Dell 345-BMFS category leverages this interface to ensure that large data sets can be accessed and streamed efficiently without becoming a bottleneck within the server architecture.

Latency Consistency and Throughput Stability

One of the defining attributes of enterprise NVMe storage categories is predictable latency behavior. The Dell 345-BMFS category emphasizes consistency over peak benchmark numbers, ensuring that applications experience stable response times even during sustained operations. This is particularly important for analytics platforms and content delivery networks where latency spikes can degrade user experience. Throughput stability is achieved through advanced controller design and firmware optimizations that manage large queue depths effectively. This category supports simultaneous read operations across massive data sets without significant performance degradation, making it suitable for shared storage environments and multi-tenant architectures.

Reliability

Reliability is a cornerstone of the Dell enterprise SSD category, and the 345-BMFS model exemplifies this through comprehensive data protection mechanisms. Enterprise-grade error correction, end-to-end data path protection, and power-loss protection features ensure that data integrity is maintained even in the event of unexpected power interruptions. This category is designed for mission-critical environments where data loss or corruption is unacceptable. Firmware validation and qualification processes further distinguish this category from consumer or prosumer NVMe SSDs. Dell’s rigorous testing across supported platforms ensures compatibility, stability, and predictable behavior under real-world enterprise workloads. This level of validation reduces deployment risk and simplifies lifecycle management for IT teams.

Power-Loss Protection and Data Safeguards

Power-loss protection is an essential feature in enterprise storage categories, and the Dell 345-BMFS SSD integrates capacitive components that safeguard in-flight data during sudden power failures. This ensures that write operations are completed or safely rolled back, preserving file system consistency and preventing data corruption. Data safeguards extend beyond hardware components to include firmware-level checks that continuously monitor NAND health and proactively manage error conditions. This category’s emphasis on comprehensive protection aligns with enterprise requirements for high availability and data resilience.

Impact on Rack Density and Infrastructure Design

Rack density improvements are a direct outcome of adopting this enterprise NVMe SSD category. Higher capacity per drive translates into fewer servers or storage nodes required to meet capacity demands, freeing up rack space for compute or networking equipment. This category supports modern infrastructure designs that prioritize density and efficiency. Infrastructure simplification also enhances manageability, as fewer components need to be monitored, maintained, and replaced over time. This contributes to lower operational overhead and improved uptime across the data center environment.

Compatibility

The Dell 345-BMFS NVMe SSD category is specifically validated for compatibility with Dell PowerEdge servers, ensuring seamless integration and optimal performance. This compatibility extends to supported storage controllers, backplanes, and firmware versions, providing a cohesive ecosystem for enterprise deployments. The category’s alignment with Dell’s hardware portfolio simplifies procurement and support processes. Beyond Dell-specific platforms, the U.2 NVMe form factor and PCIe Gen4 interface ensure broad compatibility with industry-standard enterprise servers that support NVMe storage. This flexibility allows organizations to standardize on a single storage category across heterogeneous environments while maintaining vendor support assurances.