Below are answers to frequently asked questions about the Seagate ST3750840ACE hard drive, based on available technical information and user discussions.
Q: What is the Seagate ST3750840ACE?
A: It is a 3.5-inch internal hard disk drive produced by Seagate Technology with a formatted capacity of 750 GB and a rotational speed of 7200 RPM using a SATA 3.0 Gb/s interface.
Q: What are the physical dimensions of this drive?
A: The drive measures approximately 4.0 inches in width, 5.8 inches in length, and 1.0 inch in height, conforming to the standard 3.5-inch form factor.
Q: What is the cache buffer size?
A: The drive includes a 16 MB cache buffer to improve data transfer performance during read and write operations.
Q: Is this drive compatible with modern computers?
A: Compatibility depends on the system having a SATA port and support for SATA 3.0 Gb/s or backward compatible SATA controllers. Older systems with only PATA/IDE connectors will require an adapter or controller card.
Q: What is the average latency and seek time?
A: The average latency is approximately 4.16 milliseconds and the average seek time is around 8.5 milliseconds for read operations.
Q: Can this drive be used in a RAID configuration?
A: Yes, it supports RAID levels 0, 1, 5, and 10 when connected to a compatible RAID controller or motherboard RAID configuration.
Q: What is the maximum data transfer rate?
A: The sustained transfer rate ranges from about 78 MB/s to 85 MB/s depending on the zone of the disk.
Q: Does the drive support Native Command Queuing?
A: Yes, the drive includes support for Native Command Queuing to optimize the order of read and write commands for improved performance.
Q: What is the operating temperature range?
A: The drive is rated for operating temperatures between 5°C and 55°C and non-operating temperatures between -40°C and 70°C.
Q: What is the warranty period for this model?
A: Seagate typically provided a 5-year limited warranty for this enterprise-class drive, though coverage depends on the original purchase and seller.
Q: Is the drive suitable for 24/7 operation?
A: Yes, the ST3750840ACE is designed for nearline and enterprise storage environments with a workload rate of up to 550 TB per year and a mean time between failures of 1.2 million hours.
Q: What precautions should be taken when installing this drive?
A: Handle the drive with care, avoid exposing it to static electricity or physical shock, and secure it with four mounting screws. Ensure the system is powered off before connecting the SATA data and power cables.