WD 12TB Purple 7200 rpm SATA III 3.5" Internal Surveillance Hard Drive Key Features 12TB Storage Capacity 3.5" Form Factor SATA III 6 Gb/s Interface 256MB Cache The 12TB Purple 7200 rpm SATA III 3.5" Internal Surveillance Hard Drive from WD is designed to withstand the stresses placed on it in a 24/7, always-on, high-definition surveillance system with 16+ drive bays. With support for up to 64 high-definition surveillance cameras, this 12TB hard drive can hold a large amount of data and gives you the ability to easily upgrade and expand your security system. Furthermore, AllFrame AI technology helps improve video capturing and reduces errors, pixelation, and video interruptions that could happen in a video recorder system. A SATA III 6 Gb/s interface, sustained data transfer speeds of up to 235 MB/s, and a 256MB cache all help to ensure uninterrupted data transfers. Furthermore, the drive's 300,000 load/unload cycles, annualized workload rating of 360TB per year, MTBF rating of 1.5 million hours, and < 1 in 1015 non-recoverable read errors per bit read also help to ensure a strong operational life. General Features Surveillance Storage With WD Purple surveillance storage, you have a hard drive engineered for high temperature, always-on

systems so you can rely on quality video playback whether you're protecting loved ones or monitoring your business. AllFrame AI Technology This WD Purple drive is equipped with AllFrame AI technology, which improves ATA streaming to help reduce frame loss, improve overall video playback, and increase the number of hard drive bays supported within a NVR. AllFrame AI technology enables high-quality recording for up to 64 cameras, as well as an additional 32 streams for Deep Learning analytics within the system. Enhanced Workload Rating With a workload rating of 360TB per year, WD Purple is designed to handle the unique demands of modern video surveillance DVR and NVR systems. This workload rating also supports the Deep Learning analytics that are featured in AI-capable NVRs. Expand Your View to 64 Each WD Purple drive is optimized to support up to 64 cameras, allowing users the flexibility to upgrade or expand their security system in the future. Designed for the Surveillance Solutions of Today and Tomorrow With an MTBF of up to 1.5 million hours, WD Purple is engineered for 24/7 operating in all sizes of mainstream surveillance DVRs and NVRs. With support for 16+ drive bays and tarnish-resistant components, WD

drives deliver reliable operation in larger scale surveillance systems in harsher environments. HelioSeal Technology HelioSeal technology delivers high-capacity WD Purple storage for the massive capacity requirements of 4K surveillance video. Compatibility & Integration WD Purple drives are built with compatibility in mind, so you can quickly and seamlessly add capacity to your surveillance system. With a wide range of enclosures and chipsets supported, you're sure to find a DVR or NVR configuration that's right for you. Less Power, More Efficient With WD's IntelliSeek technology, Purple drives are able to calculate optimum seek speeds. This helps keep power consumption low so ambient noise and vibrations are at a minimum. WD WD121PURZ Specifications Storage Drive Capacity : 12.00 TB Cache Memory : 256 MB Performance Interface : SATA III (6 Gb/s) Sequential Read Speed : 235 MB/s Sequential Write Speed : 235 MB/s Physical Drive Type : HDD Form Factor : 3.5" Noise Level : 29.0 dB (Active) : 20.0 dB (Idle) HDD Specs Spindle Speed (RPM) : 7200 RPM Reliability / Data Integrity Endurance (Total Bytes Written) : 360 TB Load/Unload Cycles : 300,000 Mean Time Between Failures (MTBF) : 1.5 Million Hours Non-Recoverable Read Errors per Bits Read : < 1 in 1015 Electrical Power Draw : 6.6 W (Active) 5.6 W (Idle) 0.6 W (Standby) Environmental Operating Shock : 30 G / 2.0 ms Storage Shock : 250 G / 2.0 ms Operating Temperature : 32 to 149°F / 0 to 65°C Storage Temperature : -40 to 158°F / -40 to 70°C General Certifications : RoHS, as per Manufacturer Dimensions (W x H x D) : 1 x 4 x 5.8" / 26.1 x 101.6 x 147 mm Weight : 1.5 lb / 0.7 kg What's in the box 1 x WD 12TB Purple 7200 rpm SATA III 3.5" Internal Surveillance Hard Drive 1 x Limited 3-Year Warranty