400-BOLR Dell 1.92TB PCI-E Gen4 NVMe U.2 Solid State Drive.

Dell 400-BOLR 1.92TB PCIe Gen4 NVMe U.2 2.5-Inch SFF SSD Overview

The Dell 400-BOLR 1.92TB NVMe SSD offers enterprise-level reliability and exceptional data transfer speed, ideal for performance-hungry workloads and data-intensive environments. Designed with PCIe Gen4 x4 technology, it ensures faster response times and superior efficiency.

Key Specifications and Core Details

• Brand: Dell
• Model / Part Number: 400-BOLR
• Drive Type: Solid State Drive (SSD)
• Storage Capacity: 1.92TB
• Interface: PCIe 4.0 x4, NVMe
• Form Factor: U.2 2.5-inch SFF (15mm height)
• Memory Type: 3D TLC NAND
• Shock Resistance: 1000G / 0.5ms
• MTBF (Mean Time Between Failures): 2,000,000 hours

High-Speed Performance Metrics

Engineered for data center excellence, this Dell SSD delivers optimal read and write speeds to accelerate application load times and improve system responsiveness.

• Sequential Read: Up to 5300 MB/s
• Sequential Write: Up to 1900 MB/s
• Random Read (4K): 700,000 IOPS
• Random Write (4K): 114,000 IOPS

Advanced Data Integrity & Protection Features

• Enhanced Power Loss Protection: Safeguards data during unexpected power interruptions
• End-to-End Data Protection: Ensures consistent and error-free data transfers
• Hardware Encryption: AES 256-bit for secure data storage
• Thermal Monitoring: Real-time temperature logging and control

Reliability and Efficiency

The Dell 400-BOLR is crafted for constant uptime and enterprise-grade endurance, combining low latency and high IOPS with stable power efficiency. Its U.2 design offers compatibility with a wide range of Dell PowerEdge servers, enhancing scalability and system performance.

Compatible Dell PowerEdge Servers

• PowerEdge C6420, C6525, C6620
• PowerEdge R440, R640, R6415, R6515, R6525
• PowerEdge R660xs, R6615, R6625, R670
• PowerEdge R740xd, R7415, R7425, R7515, R7525
• PowerEdge R760, R760xa, R7615, R7625, R770
• PowerEdge R840, R940, R940xa, R960
• PowerEdge T560, Xe9640, Xe9680, XR7620

Dell 400-BOLR 1.92TB NVMe U.2 2.5-Inch RI Solid State Drive

The Dell 400-BOLR 1.92TB PCIe Gen4 NVMe U.2 2.5-inch Read Intensive Solid State Drive is an enterprise-class storage solution designed for modern data center workloads that prioritize high read performance, low latency, and predictable throughput. Built on the NVMe protocol and utilizing PCIe Gen4 connectivity, this U.2 form factor SSD provides a balance of capacity and performance that fits a wide range of deployments from database front-ends and content delivery to virtual desktop infrastructure and caching layers. The 1.92TB capacity targets organizations that need substantial usable capacity per drive while maintaining the manageability and hot-plug convenience of the 2.5-inch U.2 standard. For procurement teams, systems architects and storage administrators searching for a reliable read-optimized SSD, the Dell 400-BOLR stands out as a vendor-validated option with firmware tuned for enterprise environments.

Technical Specifications and Key Attributes

Form Factor and Interface

The drive uses a 2.5-inch U.2 form factor which is commonly supported across server platforms and storage arrays, giving it broad compatibility with existing enterprise hardware. The U.2 connector combines NVMe performance with the convenience of hot-swap drive bays, enabling rapid replacement and serviceability. Internally, the Dell 400-BOLR speaks NVMe over PCIe Gen4, taking advantage of doubled I/O lanes compared to Gen3 to reduce queuing delays and increase parallelism for multi-threaded server workloads.

Capacity and Storage Class

At 1.92TB, this SSD occupies a practical capacity tier that balances per-device cost and density. The drive is configured and characterized for read intensive usage patterns, which makes it ideal for workloads that perform a high ratio of read operations versus writes. This classification impacts endurance rating, write capabilities, and firmware optimizations: read intensive drives favor diversified read performance and consistent latency while still offering adequate endurance for frequent but lower-volume writes typical of caching or analytics reads.

Performance Metrics

PCIe Gen4 NVMe enables the Dell 400-BOLR to achieve significantly higher sequential and random throughput compared to Gen3 drives, especially in environments where multi-queue and multi-core processing is used. Sequential read and write numbers are important for bulk transfers and rebuild operations, while random read IOPS and tail latency are critical to interactive and database workloads. The controller, NAND flash configuration, and firmware tuning combine to deliver predictable read latency and steady-state performance that is essential for service-level objectives in enterprise SLAs.

Endurance and Reliability

Endurance for a read intensive SSD is measured in drive writes per day (DWPD) and total bytes written (TBW) over the warranty period. The Dell 400-BOLR’s endurance targets environments where large volumes of reads are performed and writes are comparatively limited. Enterprise-grade NAND, advanced error correction algorithms, power-loss protection circuitry, and background garbage collection contribute to the drive’s reliability. Dell’s supply validation and firmware updates are geared to reduce performance degradation over time and to maintain data integrity under sustained loads.

Performance in Real-World Workloads

Database and Transactional Systems

For read-dominant database workloads, the Dell 400-BOLR offers low response times and high random read IOPS, which directly improves query latency and user experience. OLAP and read-heavy reporting tasks benefit from the drive’s sustained throughput for large sequential scans. When deployed as a primary storage tier for read caching or indices, the 1.92TB capacity helps keep more of the working set on fast NVMe media, reducing network round trips and expensive backend reads.

Virtualization and VDI

Virtual desktop infrastructure and virtualization hosts frequently generate bursty I/O patterns with high read-to-write ratios, particularly during boot storms or application launches. The Dell 400-BOLR excels in smoothing those bursts because of its Gen4 bandwidth headroom and firmware designed to maintain consistent latency during mixed I/O. Consolidated virtual machine images and user profiles stored on this drive show improved boot times and application responsiveness compared to legacy SAS or SATA tiers.

Content Delivery and Media Streaming

Content delivery networks and media-on-demand systems need sequential read bandwidth and robust random access performance for small file retrieval. The U.2 NVMe implementation supports these use cases by providing low-latency access to cached media, large sequential transfer speeds for prefetching content, and the operational flexibility to replace drives without downtime. The Dell 400-BOLR’s density also helps reduce rack space and power per TB for media edge caching.

Durability, Data Integrity and Enterprise Features

Power Loss Protection and Data Path Reliability

Enterprise SSDs must protect in-flight data during sudden power interruptions. The Dell 400-BOLR includes power-loss protection mechanisms that secure the data path and flush volatile caches to non-volatile media, thereby minimizing the risk of data corruption. These protections are especially important during heavy write bursts or during rebuild and parity operations in RAID arrays.

End-to-End Data Protection and ECC

Error correction and end-to-end data protection are fundamental to enterprise SSD reliability. Advanced BCH/LDPC error correction codes, in-drive scrubbing, and background data integrity checks are part of the drive’s design to detect and correct bit errors before they affect application-level data. The firmware maintains internal mapping tables and wear-leveling schemes to extend the life of NAND flash while preserving addressability and performance.

SMART and Telemetry

Drive health monitoring using SMART attributes and vendor telemetry enables administrators to track endurance consumption, temperature trends, error rates, and other predictive indicators. When integrated with Dell OpenManage or third-party monitoring systems, telemetry from the 400-BOLR can drive automated maintenance workflows, pre-fail alerts, and proactive spare replacement, reducing unplanned downtime and service disruptions.