Marshal Internal Hard Drive 4TB Desk Top Model Sata3 6 Gb/s 64MB Cache 7200rpm MAL34000SA-T72 for All Use, Especialy Personal Desktop Computer Replacement, External Storage Desk top 3tb Internal hard drive bulk / model: MAL34000SA-T72 Highest performance for business-critical applications - Toshiba delivers 6 Gb/s transfer rates, sustained sequential data rates of around 170 MB/s and high random I/O rates. Designed for quality and reliability - With a field-tested over 1 million hour MTBF, this high performance drive delivers the highest level of reliability for 24x7 operation in up to 100% duty cycle applications. Marshal Brand - High Performance quality made in Japan, with Easy Purchase -Improvement packing problem - The item will be neatly covered by bubble envelop and packed in a original box one by one