Seagate ST973402SS, ST9146802SS manual Standard features, Media description, Performance

Models: ST973402SS ST9146802SS

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3.1Standard features

Savvio drives have the following standard features:

Perpendicular recording technology

1.5 / 3 Gbit Serial Attached SCSI (SAS) interface

Integrated dual port SAS controller supporting the SCSI protocol

Support for SAS expanders and fanout adapters

Firmware downloadable using the SAS interface

128 - deep task set (queue)

Supports up to 32 initiators

Jumperless configuration.

User-selectable logical block size (512, 520, or 528 bytes per logical block).

Industry standard SFF 2.5-inch dimensions

Programmable logical block reallocation scheme

Flawed logical block reallocation at format time

Programmable auto write and read reallocation

Reallocation of defects on command (Post Format)

ECC maximum burst correction length of 320 bits

No preventive maintenance or adjustments required

Dedicated head landing zone

Embedded servo design

Automatic shipping lock

Self diagnostics performed when power is applied to the drive

Zone bit recording (ZBR)

Vertical, horizontal, or top down mounting

Dynamic spindle brake

16 Mbyte data buffer (see Section 4.5).

Drive Self Test (DST)

Background Media Scan (BGMS)

Idle Read After Write (IRAW)

Power Save

3.2Media description

The media used on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with a proprietary protective layer for improved durability and environmental protection.

3.3Performance

Programmable multi-segmentable cache buffer

300 Mbytes/sec maximum instantaneous data transfers.

10k RPM spindle. Average latency = 3.0 msec

Background processing of queue

Supports start and stop commands (spindle stops spinning)

Adaptive seek velocity; improved seek performance

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Savvio 10K.2 SAS Product Manual, Rev. D

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Seagate ST973402SS, ST9146802SS manual Standard features, Media description, Performance

ST973402SS, ST9146802SS specifications

The Seagate ST973402SS and ST9146802SS are high-performance, enterprise-grade hard drives designed to meet the demanding needs of data-intensive applications. These drives are part of Seagate's Savvio and Barracuda product lines, aimed specifically at businesses and institutions requiring reliability, speed, and efficiency in storage solutions.

The ST973402SS is a 73GB, 2.5-inch hard drive, while the ST9146802SS offers a larger capacity of 146GB. Both models utilize a 10,000 RPM spindle speed, which significantly enhances their ability to handle fast data read and write operations. This speed ensures reduced latency and improved overall performance, making them ideal for environments where rapid access to data is crucial.

One of the standout features of these drives is their support for Serial Attached SCSI (SAS) interface. SAS technology provides a point-to-point connection, which allows for increased data transfer rates compared to traditional SATA drives. The ST973402SS and ST9146802SS are capable of transferring data at speeds of up to 600 MB/s, facilitating efficient data transfers in enterprise systems.

In terms of reliability, both models offer advanced features designed to improve data integrity and durability. They are built to withstand high workloads, with an annualized workload rate of up to 550 TB per year. This makes them well-suited for applications like databases and transactional storage, where sustained performance is required. Additionally, the drives feature Seagate’s PowerFit technology, which optimizes performance while minimizing power consumption.

To enhance data security, the drives come equipped with self-encrypting technology, ensuring that sensitive data is protected through hardware-based encryption. This is particularly important in environments where data breaches can lead to significant operational impacts.

The drives are also designed to operate efficiently in terms of thermal management, featuring robust heat dissipation capabilities. This helps to maintain optimal performance levels while prolonging the lifespan of the drives.

Overall, the Seagate ST973402SS and ST9146802SS are robust and reliable hard drives that cater to the needs of enterprise environments, combining high capacity, exceptional speed, advanced security features, and energy efficiency to help businesses maintain and manage large volumes of data effectively. With their proven performance and innovative technologies, these drives are well-equipped to support a wide range of applications in modern data centers.