Seagate ST3500841NS, ST3500641NS manual Environmental protection

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Radio and television interference. This equipment generates and uses radio frequency energy and if not installed and used in strict accordance with the manufacturer’s instructions, may cause interference to radio and television reception.

This equipment is designed to provide reasonable protection against such interference in a residential installa- tion. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause interference to radio or television, which can be determined by turning the equipment on and off, you are encouraged to try one or more of the following corrective measures:

•Reorient the receiving antenna.

•Move the device to one side or the other of the radio or TV.

•Move the device farther away from the radio or TV.

•Plug the computer into a different outlet so that the receiver and computer are on different branch outlets.

If necessary, you should consult your dealer or an experienced radio/television technician for additional sug- gestions. You may find helpful the following booklet prepared by the Federal Communications Commission: How to Identify and Resolve Radio-Television Interference Problems. This booklet is available from the Super- intendent of Documents, U.S. Government Printing Office, Washington, DC 20402. Refer to publication num- ber 004-000-00345-4.

2.13Environmental protection

Seagate designs its products to meet environmental protection requirements worldwide, including regulations restricting certain chemical substances.

2.13.1European Union Restriction of Hazardous Substances (RoHS)

Compliance statement

The European Union Restriction of Hazardous Substances (RoHS) Directive restricts the presence of chemical substances, including Lead (Pb), in electronic products effective July 2006.

A number of parts and materials in Seagate products are procured from external suppliers. We rely on the rep- resentations of our suppliers regarding the presence of RoHS substances in these parts and materials. Our supplier contracts require compliance with our chemical substance restrictions, and our suppliers document their compliance with our requirements by providing material content declarations for all parts and materials for the disc drives documented in this publication. Current supplier declarations include disclosure of the inclusion of any RoHS-regulated substance in such parts or materials.

Seagate also has internal systems in place to ensure ongoing compliance with the RoHS Directive and all laws and regulations which restrict chemical content in electronic products. These systems include standard operat- ing procedures that ensure that restricted substances are not utilized in our manufacturing operations, labora- tory analytical validation testing, and an internal auditing process to ensure that all standard operating procedures are complied with.

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NL35 Series 7200.2 SATA Product Manual, Rev. C

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Contents NL35 Series 7200.2 Serial ATA ST3500841NS ST3500641NSPage Contents NL35 Series 7200.2 Sata Product Manual, Rev. C List of Figures Page Introduction NL35 Series 7200.2 Serial ATAAbout the Serial ATA interface LBA mode Drive specificationsDefault logical geometry Formatted capacitySeek time Physical characteristicsRecording and interface technology Typical seek times msec Read WritePower specifications Start/stop timesTypical current profile Conducted noiseVoltage tolerance Idle mode Power-management modesActive mode Sleep modeEnvironmental specifications Operating vibration AcousticsVibration Nonoperating vibrationRadio frequency environments Electromagnetic immunityReliability Test Description Performance level Reference standardAgency certification Environmental protection Corrosive environment NL35 Series 7200.2 Sata Product Manual, Rev. C Configuring and mounting the drive Handling and static-discharge precautionsConfiguring the drive Serial ATA cables and connectorsMounting dimensions-top, side and end view Drive mountingNL35 Series 7200.2 Sata Product Manual, Rev. C Serial ATA Sata interface Hot-Plug compatibilitySignal Serial ATA device plug connector pin definitionsSerial ATA connector pin definitions Pin Function DefinitionSupported ATA commands Supported ATA commandsCommand name Command code in hex F4H Identify Device command Word Description ValueXx07H Description if bit is set to Bit Word Bit WordSet Features command Set Features command values3.1 S.M.A.R.T. Command Transport SCT 3 S.M.A.R.T. commandsA.R.T. commands Code in features register A.R.T. commandNL35 Series 7200.2 Sata Product Manual, Rev. C Presales Support Seagate Technology support servicesInternet Technical SupportWarranty Service Data Recovery Services Authorized Service CentersData Recovery Services Call Center Toll-free Direct dial Index RRL Sata NL35 Series 7200.2 Sata Product Manual, Rev. C Page Seagate Technology LLC
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ST3500641NS, ST3500841NS specifications

The Seagate ST3500841NS and ST3500641NS are robust hard drives specifically designed for enterprise environments, catering to the demanding needs of data centers, server farms, and storage solutions. These drives are part of Seagate's enterprise series and reflect a commitment to reliability, performance, and capacity.

One of the main features of the ST3500841NS and ST3500641NS is their impressive storage capacity. The ST3500841NS offers 500GB of storage, while the ST3500641NS provides a slightly lower capacity at 640GB. Both drives utilize a standard 3.5-inch form factor, making them suitable for a variety of server and storage configurations. They operate at a high spindle speed of 7200 RPM, which contributes to faster data access and overall improved performance compared to traditional 5400 RPM drives.

These drives are designed to sustain high workloads and feature a mean time between failures (MTBF) rating that ensures reliability over extended periods of operation. With their enhanced error correction capabilities, data integrity is maintained even under heavy loads, making these drives ideal for use in critical applications where data loss is not an option.

The integration of technologies such as Native Command Queuing (NCQ) enhances the performance of these drives in multi-user environments. NCQ allows the drive to optimize the order of read and write commands, reducing latency and improving overall throughput. Furthermore, the ST3500841NS and ST3500641NS both feature an SATA interface, supporting speeds of up to 3.0 Gb/s, which is the standard for modern storage solutions.

Another noteworthy characteristic of these drives is their energy efficiency. Despite their robust performance, the ST3500841NS and ST3500641NS are designed to consume less power, thereby reducing operational costs and contributing to a more sustainable data center environment.

In summary, the Seagate ST3500841NS and ST3500641NS are purpose-built for enterprise applications, offering a blend of capacity, performance, and reliability. Their advanced technologies, coupled with impressive MTBF ratings and energy efficiency, make them suitable for critical applications in various high-demand environments. Whether utilized in small server systems or large-scale data centers, these drives provide the robust performance that businesses require in today’s data-driven landscape.
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