400-BSHY Dell 1.92TB PCI-Express Gen 4.0 X4 NVMe U.2 SFF Read-Intensive TLC SSD

Dell 400-BSHY 1.92TB PCI-Express Gen4.0 SSD

The Dell 400-BSHY Solid State Drive delivers Enterprise-Grade reliability and speed. Designed for PowerEdge servers, this 1.92TB PCI-E Gen4.0 NVMe U.2 drive ensures consistent performance for Read-Intensive workloads.

General Specifications

• Brand Name: Dell
• Part Number: 400-BSHY
• Drive Type: Enterprise SSD

Technical Information

• Capacity: 1.92TB
• Interface: PCI-E 4.0 x4 with NVMe
• Design: U.2 Small Form Factor, 15mm thickness
• Memory Technology: TLC 3D NAND
• Shock Resistance: 1000G for 0.5 milliseconds
• Reliability: MTBF of 2,000,000 hours

Performance

Sequential Operations

• Read throughput up to 5300 MB/s
• Write throughput up to 1900 MB/s

Random Operations

• Random read: 700,000 IOPS (4K blocks)
• Random write: 114,000 IOPS (4K blocks)

Advanced Features

• End-to-end data safeguarding
• Enhanced power-loss protection

Compatibility Range

PowerEdge Servers

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

Additional Notes

The Compatibility list is extensive but not exhaustive. Certain MD PowerVault arrays and other PowerEdge models may also support this SSD.

Dell 1.92TB PCI-Express SSD Overview

The Dell 400-BSHY 1.92TB PCI-Express Gen 4.0 X4 NVMe U.2 SFF 15mm Read-Intensive TLC 3D NAND solid state drive represents a category of enterprise storage engineered specifically to bring a blend of high throughput, low latency, and the durability required for modern server workloads. Positioned as an SFF U.2 device designed to fit 15mm bays. Dell 400-BSHY 1.92TB PCI-Express Gen 4.0 X4 NVMe U.2 SFF 15mm Read-Intensive TLC 3D NAND for PowerEdge Server Solid State Drive, serves as an exact-keyword anchor for search engines while also signaling to technical buyers the crucial attributes they look for: NVMe protocol, PCIe Gen4 x4 interface, 1.92TB capacity, U.2 connector, and read-optimized 3D TLC NAND flash media.

Form Factor

U.2 SFF 15mm is a physically robust, hot-pluggable 2.5-inch variant tailored for dense server configurations. Drives in this category are engineered with the mechanical tolerance and connector design required for enterprise racks, enabling straightforward serviceability and replacement when installed in PowerEdge front-access drive bays. The PCI-Express Gen 4.0 X4 interface provides four lanes of PCI-E Gen4 connectivity, delivering a higher theoretical bandwidth ceiling compared with Gen3 parts and enabling the Dell 400-BSHY class drives to sustain greater sequential throughput and better small random I/O performance under realistic server mixes. Physically, the 15mm height allows for slightly thicker heatsinking or additional internal components compared to thinner SFF drives while remaining compatible with chassis designed to accept 15mm U.2 devices.

NVMe

The NVMe protocol fundamentally reshapes how storage devices communicate with modern CPUs by taking advantage of parallelism and reduced overhead. This category focuses on NVMe-native connectivity, offering advantages over legacy SAS/SATA SSDs through shorter command paths, increased IOPS potential, and reduced CPU cycles per I/O. For PowerEdge servers running virtualization, database, analytics, or high-concurrency web services, NVMe U.2 drives provide more predictable, consistent latency and superior queue depth handling. Those seeking the Dell 400-BSHY 1.92TB PCI-Express Gen 4.0 X4 NVMe U.2 SFF 15mm Read-Intensive TLC 3D NAND for PowerEdge Server Solid State Drive will find the NVMe protocol's benefits align with high-throughput, read-dominant workloads.

Storage

Drives in this category use triple-level cell (TLC) flash arranged in three-dimensional stacking to increase density and reduce cost per gigabyte relative to planar NAND. The “read-intensive” designation indicates firmware tuning, over-provisioning, and endurance management strategies that bias the drive for applications such as large-scale content delivery, boot/image repositories, search indices, and read-mostly database queries. The Dell 400-BSHY family emphasizes long-term, consistent read performance while preserving acceptable write endurance for logging, snapshots, and routine background operations.

Endurance

Endurance for read-intensive TLC devices is managed by a mixture of over-provisioning, adaptive error correction, background garbage collection, and wear-leveling algorithms built into enterprise-grade controllers. The category also emphasizes firmware upgradeability and compatibility with Dell PowerEdge server management ecosystems to ensure administrators can maintain optimal reliability throughout the drive’s operational lifetime.

Performance

The Dell 400-BSHY 1.92TB PCI-Express Gen 4.0 X4 NVMe U.2 SFF 15mm Read-Intensive TLC 3D NAND drive category is tailored to deliver high read IOPS and excellent sequential read throughput. Gen4 x4 lanes raise the available bandwidth, which is especially beneficial for sequential-heavy tasks like content distribution, large file streaming, backup staging, and read-cache tiers. For mixed workloads with a read-dominant profile, these drives offer a compelling mix of speed and cost efficiency. They perform well as primary read caches in hybrid architectures, as image or VM stores in virtualization clusters, and as index drives for search and analytics applications where many users query the same dataset concurrently.

Latency

Low, consistent latency is a critical expectation in enterprise NVMe storage categories. Drives like the Dell 400-BSHY class are engineered to minimize tail latencies through a combination of NVMe queuing advantages, efficient controller firmware, and optimized flash management. Quality of Service (QoS) is emphasized in enterprise environments; these drives aim to reduce latency variability under sustained loads, enabling better predictability for time-sensitive applications. Administrators can combine multiple U.2 NVMe drives in RAID configurations or use them as part of software-defined storage pools to further smooth performance and maintain service level targets.

Compatibility

Compatibility with Dell PowerEdge servers is a cornerstone for this category. The U.2 connector and server firmware interaction are matched to the mechanical, electrical, and management expectations of PowerEdge platforms, ensuring straightforward hot-swap operations and integration with iDRAC and OpenManage toolchains. Integration extends into monitoring and alerting, enabling administrators to track key metrics like endurance consumption, uncorrectable error counts, temperature, and firmware version. Drives in this category are typically validated by Dell for fit, interop, and firmware compatibility, offering peace of mind for IT teams deploying them into production PowerEdge clusters.

Thermal

Thermal management is a practical consideration for U.2 15mm devices because denser server configurations and high sustained throughput can generate substantial heat. Drives in this category are designed with thermal throttling behavior that protects NAND and controller components from damage while preserving data integrity. Proper airflow planning, server chassis cooling profiles, and rack-level thermal strategies are recommended when deploying multiple Dell 400-BSHY class drives in a single server. The drives include thermal sensors and telemetry that feed into server management systems, allowing proactive adjustments to fan curves or workload placement to maintain long-term reliability.

Use Cases

Typical use cases for the Dell 400-BSHY 1.92TB PCI-Express Gen 4.0 X4 NVMe U.2 SFF 15mm Read-Intensive TLC 3D NAND for PowerEdge Server Solid State Drive category include large-scale web serving, content delivery networks, virtual desktop infrastructure read-stores, read-tier caches for hybrid storage architectures, and analytics platforms where read queries dominate. These drives also serve well as boot or system image stores for large virtualization clusters, improving VM boot storm behavior compared to legacy SATA options.

Comparison

Compared to higher-end enterprise SSDs that prioritize write endurance and sustained mixed performance, read-intensive TLC NVMe drives offer a cost-optimized path for read-dominant workloads. Relative to SATA or SAS SSDs, PCIe Gen4 NVMe U.2 devices deliver substantially higher throughput and lower latency, enabling applications to scale with fewer drives and reduced rack space. Against QLC or consumer-grade TLC, enterprise read-intensive drives bring better firmware, power-loss protections. Organizations choose this category when they need near-NVMe-level performance that is economically scaled for large read-focused datasets.