SDFUY75DHB01T Kioxia 1.6TB SAS 24GBPS Read Intensive 2.5 Inch SSD.

Kioxia SDFUY75DHB01T 1.6TB SAS SSD Overview

The Kioxia SDFUY75DHB01T is a high-performance, enterprise-grade 2.5-inch internal solid-state drive designed for read-intensive workloads. Belonging to the advanced PM7-V Series, this drive utilizes 24Gbps SAS interface and BiCS Flash TLC technology for superior speed, durability, and efficiency.

General Information

• Brand: Kioxia
• Model Number: SDFUY75DHB01T
• Drive Type: Enterprise SSD (Solid State Drive)

Technical Specifications

• Storage Capacity: 1.6 Terabytes
• Series: PM7-V
• Form Factor: 2.5-Inch Small Form Factor (SFF)
• Interface: SAS 24Gbps (Serial Attached SCSI)
• Flash Memory Type: Triple-Level Cell (TLC) BiCS Flash

Performance Metrics

• Sequential Read Speed (128 KiB): Up to 4,200 MB/s
• Sequential Write Speed (128 KiB): Up to 3,400 MB/s
• Random Read IOPS (4 KiB): Up to 720,000 IOPS
• Random Write IOPS (4 KiB): Up to 320,000 IOPS

Reliability & Endurance

• Mean Time to Failure (MTTF): 2.5 million hours
• Drive Writes Per Day (DWPD): 3 DWPD – robust endurance for enterprise environments

Use Cases for Kioxia SDFUY75DHB01T SSD

This drive is ideal for high-speed, read-intensive applications such as:

• Enterprise-level databases
• Big data analytics platforms
• Virtualized environments and cloud computing
• Online transaction processing (OLTP) systems
• Real-time data warehousing

Key Takeaways:

• High-speed 1.6TB SAS SSD built for intensive read-heavy tasks
• Top-tier reliability and endurance backed by 3 DWPD
• BiCS Flash TLC memory for stable and consistent performance
• Optimized for cloud, enterprise, and high-performance computing environments

Kioxia PM7‑V Series SAS Internal SSDs

Defining the PM7‑V SAS SSD

The PM7‑V Series from Kioxia represents a class of enterprise-grade, read‑intensive SAS internal solid‑state drives designed for mission‑critical applications. These SSDs are tailored to environments where read operations dominate, offering strong sequential throughput, low latency, and robust security via FIPS‑certified Self‑Encrypting Drive (SED) support. Drives in this subcategory carry the hallmark features of 24 Gbps SAS connectivity, BiCS Flash TLC memory, and a 2.5‑inch small form factor (SFF), making them ideal for modern server, data center, and storage array deployments. The “read‑intensive” classification reflects the design balance: these SSDs optimize read operations while still offering respectable write capability and endurance, enabling them to serve in database query, virtualization, caching, and analytic roles.

Positioning of the Kioxia SDFUY75DHB01T Within Its Class

The **:contentReference[oaicite:0]{index=0}** is a flagship example in the PM7‑V read‑intensive line, distinguished by its combination of high capacity (1.6 TB), 24 Gbps SAS interface, and FIPS‑certified SED functionality. It serves as a benchmark specimen in this category: while other PM7‑V models may offer various capacities or alternate performance trade‑offs, the SDFUY75DHB01T balances throughput, endurance, and security features in a configuration well suited for high‑demand enterprise systems. As a category page, this section permanently anchors that model as a central reference point while allowing room for variations, upgrades, or related models to be cross‑referenced.

Core of the PM7‑V SAS SSD Family

Interface and Form Factor

All SSDs in this category conform to the 2.5‑inch SFF standard with a 15 mm height (or compatible server bay thickness) and utilize the SAS‑4 standard interface rated at up to 24 Gbps (often marketed as “24G SAS”). This ensures backward compatibility with legacy SAS infrastructure while providing headroom for high throughput. The SDFUY75DHB01T, for instance, occupies a standard footprint of approximately 69.85 mm × 100.45 mm × 15 mm and connects via SAS, thus integrating into existing enterprise server racks without requiring exotic adapters. :contentReference[oaicite:1]{index=1}

Memory Technology: BiCS Flash TLC

The architecture across the PM7‑V line leverages Kioxia’s BiCS Flash triple‑level cell (TLC) 3D NAND design. This enables high data density per die, reduced cost per gigabyte, and stable read characteristics over time. While TLC cells store three bits per cell, Kioxia’s controller and firmware algorithms mitigate wear and retention concerns, offering a consistent performance profile suited to read‑dominant workloads. The category, therefore, emphasizes that although it uses TLC (rather than MLC or SLC), the implementation is enterprise‑grade and specifically tuned for endurance in read‑intensive settings.

Performance Envelope: Throughput and IOPS

Within the PM7‑V family, performance targets are designed to offer high sequential throughput and competitive random I/O. For the SDFUY75DHB01T, Kioxia declares a sustained 128 KiB sequential read speed of up to 4,200 MB/s and write speed up to 3,400 MB/s. Random I/O figures reach as high as 720,000 IOPS for 4 KiB reads and 320,000 IOPS for 4 KiB writes. :contentReference[oaicite:2]{index=2} Thus within the subcategory, users can expect performance in this ballpark, with lower‑capacity models perhaps delivering slightly reduced numbers and higher capac­ity variants possibly trading speed consistency or endurance. These figures place the PM7‑V class firmly into the high throughput, low latency tier of enterprise SAS SSDs.

Reliability and Endurance Metrics

An integral differentiator in the category is the balance of durability and lifetime. PM7‑V drives typically publish Mean Time to Failure (MTTF) figures near 2.5 million hours, or around that order of magnitude, depending on capacity and operating conditions. The SDFUY75DHB01T is specified with an MTTF of 2,500,000 hours. :contentReference[oaicite:3]{index=3} Endurance is commonly expressed in Drive Writes Per Day (DWPD). The PM7‑V line supports moderate write loads; this particular model guarantees 3 DWPD, meaning the entire capacity may be written three times per day under the rated workload. That specification helps the drives maintain longevity even in persistent read/write mixed workloads typical of enterprise databases or caching layers.

Security and Compliance: FIPS & Self‑Encrypting Drives (SED)

A defining aspect of this category is its support for security features, particularly FIPS (Federal Information Processing Standards) certification and Self‑Encrypting Drive capabilities. The SDFUY75DHB01T model is FIPS‑compliant and supports SED, meaning it can internally encrypt data without relying on host CPU encryption. This reduces system overhead, preserves performance, and ensures compliance with regulatory frameworks in government, financial, healthcare, and other security‑sensitive deployments. By placing this security capability as a standard in the category, potential purchasers understand that all drives in the PM7‑V lineup are expected to offer encryption and regulatory compliance rather than as optional extras.

Key Security Features

Within the category, PM7‑V drives often support features such as instantaneous secure erase (sanitize), T10 Data Integrity Field (DIF) or T10 Data Guard, power‑loss protection, and full drive encryption that operates transparently to the host. This ensures not only confidentiality but also data integrity and recovery resilience in power disruptions. These capabilities strengthen the category’s appeal to enterprises that demand both performance and data protection in their storage stack.

Variations and Adjacent Models in the PM7‑V Ecosystem

Although the SDFUY75DHB01T is one of the more prominent configurations, the PM7‑V umbrella includes drives spanning different capacities (e.g., 800 GB, 3.2 TB, 6.4 TB, 12.8 TB) depending on demand and application. Some variants emphasize mixed‑use workloads rather than strictly read‑intensive, with slightly altered DWPD ratings or performance curves. Others may omit FIPS certification if targeted at less regulated markets. In any case, prospective buyers exploring this category should compare capacity, endurance, interface compatibility, and security features. Advances in firmware or future generation BiCS Flash improvements may further refine the performance and longevity trade‑offs across this category.

Use Cases for Read‑Intensive SAS SSDs in the PM7‑V Class

Database Acceleration and OLTP Workloads

One dominant application domain for the PM7‑V category is accelerating read‑heavy database workloads such as online transaction processing (OLTP). In such scenarios the data store experiences far more reads than writes, making a read‑optimized SAS SSD ideal. The SDFUY75DHB01T’s high sequential read speed and strong random read IOPS are leveraged to reduce query latency, improve throughput, and deliver quicker response times to users or applications. Because writes are fewer, the write endurance constraints are well within acceptable margins for these environments.

Virtualization, Caching Layers, and Read‑Cache Tiers

In virtualized platform stacks, caching layers can front large, slower storage media (e.g., HDD or capacity SSDs). The PM7‑V class is well suited to act as a read cache, storing frequently accessed blocks in fast SAS media. An SSD such as the SDFUY75DHB01T can dramatically reduce I/O latency to underlying slower layers. The drive’s consistency in read performance, low jitter, and ability to sustain heavy sequential access make it an excellent candidate for caching, tiering, or hybrid storage architectures.

Analytics, Search Engines, and Real‑Time Inference

Workloads such as full‑text search, real‑time analytics, AI/ML feature lookups, or real‑time inference often require rapid, random reads from large datasets. Here, an SSD with high random read IOPS becomes critical. The PM7‑V category positions itself to excel in such environments, and the SDFUY75DHB01T exemplifies that by combining robust random read performance with strong sequential throughput. The ability to quickly fetch and process hot data sets is a key differentiator.

Deployment Considerations and Integration Notes

Controller & Backplane Compatibility

To exploit the full value of PM7‑V SAS SSDs, system integrators must ensure compatibility with SAS controllers and backplanes that support SAS‑4 (24 Gbps) or at least backward compatibility. While the drives will negotiate down to lower speeds (e.g. 12 Gbps) where necessary, doing so reduces performance headroom. Therefore, adopting controllers capable of 24 Gbps throughput is essential. Users should also confirm that the backplane or expander modules honor full link speeds and do not bottleneck the interface.