B&H Photo Video 

BHPhotoVideo.com has QNAP TS-453Be 4-Bay NAS Enclosure (TS-453BE-2G-US) on sale for $379. Shipping is free. Specs:Intel Celeron J3455 Quad-Core 1.5 GHz Processor2GB of DDR3L RAMQTS 4.3.4 Operating System4 x 3.5

BH Photo Video has 4TB WD Red SATA III 3.5

B&H Photo Video has 12TB WD My Book Desktop USB 3.0 External Hard Drive (WDBBGB0120HBK-NESN) on sale for $259.99 - $75 clippable coupon = $184.99. Shipping is free. Includes12TB WD My Book Desktop USB 3.0 External Hard DriveAC AdapterUSB 3.0 Cable

BH Photo Video has select 5TB WD Elements/My Passport USB 3.0 Portable External Hard Drive on sale listed below for $98.99 after clipping the respective coupon(s) found on product page. Shipping is free. 5TB WD Elements USB 3.0 External Portable Hard Drive (WDBU6Y0050BBK-WESN) $98.99Note must clip the $31 off coupon found on product page. Expected availability: 7-14 business days. 5TB WD My Passport USB 3.0 External Portable Hard Drive for Mac (Midnight Blue; WDBA2F0050BBL-WESN) $99.99

BH PhotoVideo has Several WD Hard Drives on sale. Shipping is free. Thanks SuperGrant Example Deals:6TB WD Desktop Internal SATA III 3.5" Hard Drive (WDBH2D0060HNC-NRSN) $109.993TB WD Elements Desktop USB 3.0 External Hard Drive (WDBWLG0030HBK-NESN) $59.998TB WD Red Pro SATA III 3.5" Internal NAS Hard Drive (WDBRJY0080HNC-WRSN) $239.99& More