Dear customer, please note that items Western Digital WD Ultrastar 10TB 3.5' Enterprise HDD SATA 256MB 7200RPM 512E SE DC HC330 24x7 Server 2.5M hrs MTBF 5yrs wty WUS721010ALE6L4 ~0F27604 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.