ExcelStor

ExcelStor ESJ840C-A Internal Hard Drive Data Storage

Callisto J840

The maximum storage capacity of the hard disk, usually measured in bytes e.g. GB.

The rotational speed of a hard disk expressed in rotations per minute. The faster the better.

Interface ports to connect pieces of equipment. USB (Universal Serial Bus) has become the most popular wired interface to connect peripherals. USB 2.0 supports speeds up to 480 Mbit/s (USB 1: 12 Mbit/s). The interface FireWire is also known as the IEEE 1394 standard. Enhanced IDE (EIDE)is sometimes referred to as Fast ATA, Fast IDE or ATA-2.

The “full stroke seek” is the time required to travel from the first to the last track of the disk.

The average duration before a device can start with a job (for example reading a file from a hard disk).

Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.

The amount of electricity that is consumed when the product is on standby.

The minimum and maximum temperatures at which the product can be safely operated.

The minimum and maximum temperatures at which the product can be safely stored.

Environmental requirements for optimal protection from impact in operating mode

Environmental requirements for optimal protection from impact in non-operating mode

The measurement or extent of something from side to side.

The measurement of the product from head to foot or from base to top.

The distance from the front to the back of something.

Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.

The internal hard disk transfer rate refers to the actual speed that the drive can read bits from the surface of the platter, or write bits to the surface of the platter.

The maximum speed with which data can be transmitted from one device to another.

ExcelStor Jupiter Callisto J840. HDD capacity: 40 GB, HDD speed: 7200 RPM

ExcelStor Jupiter Callisto J840, 40 GB, 7200 RPM

ExcelStor ESJ840C-A Internal Hard Drive Data Storage

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Description

ExcelStor Jupiter Callisto J840 40 GB Ultra-ATA/133

Specification

Features

Power

Operational conditions

Weight & dimensions

Other features