SDF1E84GEB02T Kioxia 3.84TB PCI-E 4.0 X4 SFF NVMe Read Intensive SSD

Kioxia SDF1E84GEB02T 3.84TB NVMe SSD

The Kioxia SDF1E84GEB02T represents the pinnacle of storage technology designed for environments where read performance, reliability, and capacity converge. This 3.84TB, PCIe 4.0 x4 NVMe solid-state drive is specifically engineered as a read-intensive solution, offering exceptional endurance and consistent low-latency performance for data centers, cloud infrastructure, and enterprise applications. Built on Kioxia's pioneering BiCS FLASH 3D TLC memory and a sophisticated controller, this drive delivers the high throughput and quality of service required for modern, data-driven operations.

High Performance with PCI Express 4.0 Interface

Harnessing the full bandwidth of the NVMe 1.4 specification over a PCIe 4.0 x4 lane interface, the Kioxia SDF1E84GEB02T achieves breakthrough sequential and random read speeds. This interface doubles the available bandwidth compared to the previous PCIe 3.0 generation, eliminating storage bottlenecks and ensuring data flows seamlessly to CPUs and memory. The result is accelerated application response times, faster data analytics, and improved overall system efficiency for servers and storage arrays.

Capacity and NAND Architecture

The 3.84TB user capacity is achieved using Kioxia's proprietary 3D BiCS FLASH TLC (Triple-Level Cell) memory. This architecture provides an optimal balance of cost, density, and endurance for read-intensive applications. The drive includes substantial built-in over-provisioning, a portion of the physical NAND not exposed to the user, which is essential for garbage collection, wear leveling, and sustaining high write performance under heavy loads.

Sequential Read and Write Performance

This drive is optimized to deliver outstanding sequential read performance, crucial for data retrieval, video streaming, and large database queries. While maintaining robust write capabilities, the read-centric design ensures that the most common operations are executed with maximum speed, enhancing user experience and backend processing.

Low Latency and High IOPS

The architectural focus on read operations extends to random 4KB performance, where the drive excels in delivering high Input/Output Operations Per Second (IOPS) with minimal latency. This is vital for virtualized environments, web hosting, and content delivery networks where numerous concurrent read requests are the norm.

Read-Intensive Endurance and Robust Reliability

The "Read Intensive" classification signifies an endurance rating tailored for workloads with a high proportion of read commands. The Kioxia 3.84TB model is built with high-grade 3D TLC NAND and advanced wear-leveling algorithms to provide a substantial Total Bytes Written (TBW) rating, ensuring a long operational life even in 24/7 operating conditions. This makes it an ideal, cost-effective choice for storage tiers where data is frequently accessed but not constantly overwritten.

Mean Time Between Failures (MTBF)

Kioxia backs this drive with an impressive Mean Time Between Failures (MTBF) rating, reflecting its design for continuous operation in enterprise settings. Coupled with a standard limited warranty, this MTBF rating provides peace of mind regarding the drive's durability and the manufacturer's confidence in its components and workmanship.

Power Loss Protection and Data Integrity

To safeguard data integrity during unexpected power loss, the drive incorporates advanced protection mechanisms. This feature ensures that data in transit is not corrupted and that the drive's mapping tables remain consistent, preventing data loss and ensuring a swift, reliable recovery when power is restored.

Form Factor and Scalability: The SFF-8639 (U.2) Advantage

The Kioxia SDF1E84GEB02T utilizes the SFF-8639 (U.2) form factor. This 2.5-inch, small-footprint design allows for high-density storage deployments in standard server bays. The U.2 interface supports both PCIe and SAS protocols, offering flexibility for system integrators. Its hot-swap capability enables easy maintenance and scalability without system downtime, a critical feature for modern data centers.

Sustained Performance

Enterprise workloads can generate significant heat, which can throttle performance. This Kioxia drive is designed with efficient thermal management, allowing it to maintain high performance levels during sustained activity. Proper heat dissipation is crucial for consistent speed and long-term reliability in confined server chassis.

Advanced Features for Enterprise Deployment

Beyond raw speed, the drive includes a suite of enterprise-oriented features. These include end-to-end data path protection, which checks data integrity from the host to the NAND and back, and TCG Opal 2.0 compliance for hardware-based security and encryption management. Support for NVMe Management Interface (NVMe-MI) allows for out-of-band monitoring and management of drive health, temperature, and performance, integrating seamlessly with existing data center infrastructure management tools.

Over-Provisioning and NAND Management

A portion of the NAND array is dedicated to over-provisioning, which improves write amplification, garbage collection efficiency, and overall endurance. This background management, handled by the drive's controller, ensures that performance remains high throughout the drive's lifespan without requiring excessive host intervention.

Ideal Application Use Cases

The specific performance and endurance profile of this Kioxia SSD make it perfectly suited for a range of demanding read-centric applications.

Data Analytics and Business Intelligence

In data warehouse and analytics platforms, where large datasets are queried repeatedly, the high sequential and random read speeds dramatically reduce query times, leading to faster insights and decision-making.

Content Delivery and Media Streaming

For content delivery networks (CDNs) and video-on-demand platforms, the drive provides the high-throughput, low-latency access needed to serve media files and web content to a global audience efficiently and without buffering.

Virtualization and Database Servers

Hosting multiple virtual machines or large SQL databases involves numerous simultaneous read operations. The consistent high IOPS and reliability of this drive ensure smooth operation and responsive VMs, even under heavy load.

Key Specifications at a Glance

The Kioxia SDF1E84GEB02T is defined by a comprehensive set of technical specifications that underscore its enterprise capabilities. Key specs include its 3.84TB usable capacity, adherence to the PCIe 4.0 x4 and NVMe 1.4 standards, and its 2.5-inch, U.2 (SFF-8639) form factor. Detailed performance metrics, such as maximum sequential read/write speeds and random read/write IOPS, are benchmarked under specific conditions to provide reliable performance expectations for system architects.

Compatibility and System Requirements

To utilize this drive, a compatible system with a PCIe 4.0 x4 host interface and a U.2 (SFF-8639) bay is required. Proper cooling and airflow, as per enterprise server standards, are recommended to maintain optimal performance. The drive is compatible with major operating systems commonly used in data centers, with standard NVMe drivers.