Western Digital WD30PURX

WD Purple WD30PURX 3 TB 3.5" Internal Hard Drive - SATA 6GB/s - 64MB Buffer - WD Purple Surveillance Hard Drives are engineered for 24/7 reliable operation in HD security systems with up to eight hard drives and up to 32 cameras - OEM
WD Purple Surveillance Hard Drives are engineered for 24x7 reliable operation, high-definition surveillance security systems that use up to five hard drives and up to 32 cameras. Exclusive firmware works with ATA streaming to reduce error pixilation and video interruptions that occur when desktop hard drives are incorrectly used as storage in security systems.