Seagate ST31000340NS, ST3250310NS, ST3750330NS Barracuda ES.2 Serial ATA Product Manual, Rev. a

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Barracuda ES.2 Serial ATA Product Manual, Rev. A

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Contents Barracuda ES.2 Serial ATA ST31000340NSST3500320NS ST3750330NSST3250310NSRevision history Revision DateContents Barracuda ES.2 Serial ATA Product Manual, Rev. a List of Figures Page Introduction About the Serial ATA interface Drive specifications Specification summary tablesDrive specification ST31000340NS ST3750330NS Barracuda ES.2 Serial ATA Product Manual, Rev. a Drive specifications summary for 500 GB and 250 GB models Drive specification ST3500320NS ST3250310NSBarracuda ES.2 Serial ATA Product Manual, Rev. a Default logical geometry LBA modeFormatted capacity Cylinders Read/write heads Sectors per track 16,383Recording and interface technology Physical characteristics1000GB 750GB 500GB 250GB Start/stop times Seek timeTypical seek times msec Read Write Power specifications Typical current profiles Typical 5V startup and operation current profileConducted noise Voltage tolerancePower-management modes Active modeIdle mode Sleep modeEnvironmental specifications Operating vibration VibrationNonoperating vibration Acoustics Electromagnetic immunityFluid Dynamic Bearing FDB motor acoustics Radio frequency environmentsSafety certification ReliabilityAgency certification Electromagnetic compatibilityAustralian C-Tick N176 Korean RRLFCC verification Corrosive environment Environmental protectionChina Restriction of Hazardous Substances RoHS Directive Page Barracuda ES.2 Serial ATA Product Manual, Rev. a Configuring and mounting the drive Handling and static-discharge precautionsConfiguring the drive Serial ATA cables and connectorsMounting dimensions-top, side and end view Drive mountingBarracuda ES.2 Serial ATA Product Manual, Rev. a Serial ATA Sata interface Hot-Plug compatibilitySerial ATA device plug connector pin definitions Serial ATA connector pin definitionsSignal Pin Function DefinitionSupported ATA commands Supported ATA commandsCommand name Command code in hex F4H Identify Device command Word Description ValueXx07H 129 Seagate-reserved Description if bit is set to Bit Word Bit WordSet Features command Set Features command valuesA.R.T. commands 3 S.M.A.R.T. commandsCode in features register A.R.T. command Presales Support InternetTechnical Support Data Recovery Services Authorized Service Centers Warranty ServiceData Recovery Services Call Center Toll-free Direct dial Publication feedback survey Barracuda ES.2 Serial ATA Product Manual, Rev. a Index ITE Page Barracuda ES.2 Serial ATA Product Manual, Rev. a Page Disc Drive, Scotts Valley, California 95066-4544, USA
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ST3750330NS, ST31000340NS, ST3250310NS, ST3500320NS specifications

Seagate has long been a leader in the hard drive market, providing various storage solutions for personal and enterprise needs. Among its notable models are the ST3500320NS, ST3320630NS, ST3250310NS, and ST3750330NS, tailored for different applications, particularly in data center environments.

The Seagate ST3500320NS is a 500GB SATA hard drive designed for high-performance computing. One of its key features is a spindle speed of 7200 RPM, which offers quick data access times, significantly reducing latency in read and write operations. This model supports a 3Gb/s SATA interface, ensuring compatibility with a wide range of systems. Another important characteristic of the ST3500320NS is its robust error recovery mechanism, which enhances data integrity, making it suitable for applications where data precision is critical.

The ST3320630NS, on the other hand, is a 320GB variant, also featuring a 7200 RPM spindle speed. This model includes advanced power management features, allowing for reduced energy consumption without sacrificing performance. The drive's design focuses on reliability, designed to handle the demands of continuous operation in RAID configurations or as part of a network-attached storage (NAS) solution. Its dual stage actuator technology ensures more precise positioning of the read/write heads, improving overall performance and durability.

Considered an entry-level model, the ST3250310NS boasts a capacity of 250GB and shares the 7200 RPM speed common to other models. This drive is tailored for cost-effective solutions, providing a balance of price, performance, and reliability for small to medium business environments. Its resilience to shock and vibration makes it suitable for use in mobile workstations and external drives.

Lastly, the ST3750330NS features a significant 750GB capacity while maintaining the same 7200 RPM speed. It offers enhanced caching capabilities with a 32MB buffer, improving data throughput and responsiveness. Designed for high-capacity storage needs, this model is optimized for streaming applications and heavy workloads, reinforcing Seagate's commitment to delivering good performance in demanding scenarios.

All these models embody Seagate's dedication to innovation and reliability, featuring technologies such as Native Command Queuing (NCQ) and S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) to monitor drive health. With years of expertise, Seagate continues to set industry standards for storage solutions, making these models ideal for a variety of professional applications.
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