Below are answers to frequently asked questions about the Seagate ST4000NM0025 hard drive, based on available technical information and user discussions.
Q: What is the Seagate ST4000NM0025?
A: The Seagate ST4000NM0025 is a 4TB enterprise-class hard disk drive designed for use in data centers, servers, and high-reliability storage systems. It features a 3.5-inch form factor and operates at a spindle speed of 7200 RPM.
Q: What interface does the ST4000NM0025 use?
A: This drive uses a SATA 6Gb/s interface, which is backward compatible with SATA 3Gb/s and SATA 1.5Gb/s interfaces.
Q: What is the rotational speed of this drive?
A: The Seagate ST4000NM0025 spins at 7200 revolutions per minute (RPM), offering a balance between performance and power efficiency suitable for enterprise workloads.
Q: How much cache memory does the ST4000NM0025 have?
A: This hard drive is equipped with 128MB of cache memory, which helps improve read and write performance by temporarily storing frequently accessed data.
Q: What is the sector size of the ST4000NM0025?
A: The ST4000NM0025 uses 512e (512-byte emulation) sector technology, which provides compatibility with older systems while using 4K physical sectors for better data integrity and efficiency.
Q: What is the typical power consumption?
A: Typical power consumption for the ST4000NM0025 is around 8.5 watts during read/write operations and approximately 6.5 watts during idle, making it an energy-efficient choice for enterprise environments.
Q: What are the dimensions and weight of this drive?
A: The Seagate ST4000NM0025 measures 101.85mm in width, 146.99mm in length, and 26.11mm in height. It weighs approximately 640 grams.
Q: What reliability features does the ST4000NM0025 offer?
A: This drive includes advanced error correction, rotational vibration sensors, and a rated workload limit of 550TB per year. It also supports self-encrypting drive (SED) technology for enhanced data security.
Q: What is the operating temperature range?
A: The ST4000NM0025 can operate in temperatures ranging from 5°C to 60°C (41°F to 140°F) and withstand non-operating temperatures from -40°C to 70°C (-40°F to 158°F).
Q: Is the Seagate ST4000NM0025 suitable for RAID configurations?
A: Yes, this drive is designed for enterprise RAID environments and includes features such as power-loss protection and consistent performance under heavy workloads, making it a reliable choice for both hardware and software RAID setups.
Q: What warranty does the ST4000NM0025 come with?
A: The Seagate ST4000NM0025 typically comes with a 5-year limited warranty from the manufacturer, though warranty terms may vary depending on the point of purchase.
Q: Can the ST4000NM0025 be used in a desktop computer?
A: While technically compatible, this drive is optimized for enterprise use with features tailored for 24/7 operation and high data throughput. It can be used in a desktop, but its performance and noise characteristics may not be ideal for consumer systems.
Q: What is the mean time between failures (MTBF) for this drive?
A: The Seagate ST4000NM0025 has an MTBF rating of 2 million hours, which reflects its reliability for continuous operation in demanding environments.
Q: Does the ST4000NM0025 support hot-plugging?
A: Yes, this drive supports hot-plugging when used with compatible hardware and controllers, allowing replacement without shutting down the system.
Q: What types of workloads is the ST4000NM0025 best suited for?
A: This drive is well-suited for nearline storage, backup and archival systems, cloud data centers, and enterprise applications requiring high capacity and reliable performance over extended periods.