Used drive. sharpie labels/nickname on sticker does not mean anything. Tested and functional.The product is a Western Digital 1TB HDD in the WD Blue Desktop Hard Drive series. It is designed for use with PCs and features a 3.5-inch form factor with a blue color. This internal desktop drive has a rotation speed of 5400 RPM and a storage capacity of 1TB, with SATA III and SATA I interfaces. It also has a cache size of 64MB and is known for its low noise level. The drive is manufactured in Thailand under the model number WD10EZEX and is suitable for HDD storage format.