Dear customer, please note that items Western Digital WD Purple 2TB 3.5' Surveillance HDD 5400RPM 64MB SATA3 145MB/s 180TBW 24x7 64 Cameras AV NVR DVR 1.5mil MTBF 3yrs are currently listed as pre-order/on order. You can continue to place a backorder and it will ensure earliest allocation when these products are available. Our team will contact you to notify the expected ETA. Thank you.