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Following this, I will discuss my recommendations for the best external hard drive and, finally, the best full-blown RAID storage systems for photographers, including NAS systems.Īlthough this might not be the sexiest gear I have ever covered in our photography gear guides, this might be the most important. These are great backup drives for travel and editing outside your home or office.
2TB EXTERNAL HARD DRIVE RAID PORTABLE
I will break this down into a few distinct sections: Firstly, I will discuss my recommendations for the best portable drives for photographers. report can use monitoring tools to get information such as error rate, throughput performance, average seek time performance, and more.This guide will look at the best photo storage devices on the market this year. Users that want to see their hard drive S.M.A.R.T. The information can be accessed by the motherboard, operating system, and certain applications. It is a feature that allows a hard drive to monitor errors and anticipate failure. Self-Monitoring, Analysis, and Reporting Technology (S.M.A.R.T.) Two common speeds for desktop and laptop hard drives are 5,400 RPM and 7,200 RPM, while high-end and enterprise hard drives can have speeds of 10,000 RPM or 15,000 RPM.
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A higher RPM allows a drive to read and write data quicker. Measured in revolutions per minute (RPM), it is used to gauge overall speed of the drive. With a RAID setup, you can choose to either mirror data across all drives to reduce the likelihood of losing data, or separate data across all drives to improve read and write performance. It is a method of organizing several hard drives into one logical unit. Redundant Array of Independent Disks (RAID) It can be used to compare reliability between multiple hard drives. Mean Time between Failures (MTBF)Īn estimate for the reliability of computer hardware based on testing and provided by the manufacturer. Measured in milliseconds, it is only one part of the total time it takes to read data. Seek Timeĭefined as the time it takes for a hard drive’s mechanical arm to reach the data’s location on the platter. Two such technologies are Intel® Smart Response Technology and Marvell® HyperDuo. So instead of the typical 32 to 64 MB cache of a hard drive, you can have a cache that measures in GB. Some motherboards feature technology that allows you to use a solid state drive as a cache. A larger cache allows for more data to be stored for quick access and better hard drive performance. Data is stored on the cache or buffer because retrieving data from the cache is quicker than retrieving data from the hard disk. If you plan to use a 2.5 inch hard drive or solid state drive with a desktop, you might need a 2.5 inch to 3.5 inch adapter bracket.Ī small amount of random access memory (RAM) used to hold data that has been recently read or written. Smaller 2.5 inch hard drives can be used by both laptop and desktop computers, but 3.5 inch hard drives are too large for laptops. There are two main form factors for internal hard disk drives, 2.5 inch and 3.5 inch. A gigabit Ethernet connection has a maximum data throughput of one gigabit per second. Used by network attached storage (NAS) drives to connect to a network. The most recent version is FireWire 800, which features a maximum data rate of 800 Mbps. IEEE 1394 (FireWire®)Ī type of connector that is found on some external hard drives and is an alternative to USB and eSATA. SCSI Ultra is less common and has a maximum data transfer rate of 320 Mbps. SAS is a common enterprise hard drive connector and features a maximum data transfer rate of six Gbps.
2TB EXTERNAL HARD DRIVE RAID SERIAL
The latest iterations of SCSI are Serial Attached SCSI (SAS) and SCSI Ultra. USB 3.0 has a theoretical maximum data transfer rate of five gigabits per second. There have been several major revisions of USB, with USB 3.0 being the latest and fastest.
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Universal Serial Bus (USB™)Ī very common connection type for external hard disk drives. It has data transfer rates equivalent to SATA. External SATA boasts sturdier connectors, longer cables, and more stringent power requirements. External SATA (eSATA™)ĮSATA is a variant of SATA that is adapted to the needs of external data storage devices. The last major update, SATA revision 3.0, has a maximum data transfer rate of 600 MBps. There have been three major revisions for SATA, with each improving upon speed and other factors. Drives that use SATA connectors include optical drives, solid state drives, and hard disk drives. Short for Serial ATA, it is a common standard for many types of internal data storage devices. It has a major impact on drive performance and compatibility. Interface or connection type refers to the type of data connector used to attach the hard drive to the computer.