1 year sellar warranty.WD AV-GP hard drives with exclusive SilkStream technology deliver smooth, continuous digital video recording and playback in high-temperature, always-on audio/video environments. With 24x7 reliability and ultra-cool operation, these drives are perfect for video surveillance systems, DVRs and media servers. WD AV-GP drives enable digital video surveillance systems to deliver a comprehensive range of features and capabilities such as high resolution image quality, 24x7 streaming video from multiple cameras, video archiving with ultra-fast data access and smooth, on-demand video playback. With high capacity to store ultra-rich HD content and the ability to capture multiple simultaneous video streams, WD AV-GP is the clear choice for your media applications like set top boxes, DVRs and digital signage. . Optimized for smooth, continuous digital video playback of multiple simultaneous HD streams. SilkStream is compatible with the ATA streaming command set so CE customers can use standard streaming management and error recovery options. With reduced power consumption, WD AV-GP drives are designed to produce less heat which makes them more reliable for the high demands of read/write environments. Noise levels have been minimized to less than one sone virtually below the threshold of human hearing. With WD AV-GP, silence is golden. The drive arm frequently sweeps across the disk to reduce uneven wear on the drive surface common to audio/video streaming applications. All WD drives purchased from Amazon.com are shipped in WD-certified hard drive packaging. It is designed and fully tested to provide WD products with the highest of safety while in transit. With WD-certified packaging, you can rest assured that your WD hard drive will arrive safely, fully protected, in an environmentally-friendly, non-descript, easy-open package.