HGST

Travelstar™ 5K1000 is a 5400 RPM, 500GB/platter, 2.5-inch hard drive available in 640GB, 750GB and 1TB models. This standard 9.5mm, two-disk design, intended for use in notebook PCs, external storage, gaming consoles and other mobile applications, leverages Advanced Format, which increases the physical sector size on hard drives from 512 bytes to 4096 (4K) bytes to increase drive capacities and improve error correction capabilities. Consult the HGST Advanced Format Technology Brief for more information on using these hard drives. The Travelstar 5K1000 is the first 1TB 2.5-inch HDD with a 6Gb/s SATA interface and delivers best-of-breed 5400 RPM performance in PCMark 7 and PCMark Vantage testing. The 5K1000 continues to demonstrate HGST's ecological leadership with its halogen-free design and power-efficient operation, and carries the EcoTrac classification. Travelstar 5K1000 delivers the highest mobile capacity with excellent performance to meet the needs of consumers and commercial users in an eco-friendly, rugged design.

This unit has been firmware updated with HGST authorization to be limited to SATA Revision 2.0 speeds (3Gb/s) and is fully SATA Revision 1.0 (1.5Gb/s) backwards compatible. The 3Gb/s link speed setting ensures reliable operation for use in 2011 MacBook Pro optical bay as well as with other certain systems that do not properly link to 3Gb/s with a 6Gb/s type drive.This special OWC updated drive has a full 3 Year HGST warranty and may be returned to OWC instead of HGST for replacement to maintain the custom 3G/1.5G setting.