4x to 8x 2.5' HDD Upgrade Kit

The Harmonized System (HS) code is a standardized numerical identifier used internationally to classify traded goods. It consists of up to six digits, where each pair of digits represents progressively more specific product categories. The HS code facilitates customs duties, trade statistics, and regulatory compliance by providing a common language for describing products across borders.

The physical width of a hard disk drive expressed in inches or centimeters. It indicates the standard size that determines which enclosures, bays, and mounting hardware are compatible with the drive.

The total count of hard disk drives that the product can accommodate or support. It indicates how many separate HDD units are physically installable or usable within the device, regardless of size, interface type, or capacity.

The general category or style of the product, such as laptop, printer cartridge, or cooling fan. It helps buyers quickly identify the nature of the item and compare similar products.