Newegg offers the Western Digital Purple 4TB Serial ATA 6Gb/s Surveillance Internal Hard Drive, model no. WD40PURX, for $144.99. Coupon code "ESCFEGJ24" drops it to $129.99. With free shipping, that's $5 under our July mention and the best we've seen. (It's a current low by $7.) Designed for surveillance recording, this bare 3.5" drive supports up to 32 HD cameras. Deal ends October 28.
Newegg offers the Western Digital 6TB Red Serial ATA 6Gb/s 3.5" Internal NAS Hard Drive, model no. WD60EFRX, for $234.52. Apply coupon code "MPGAMER16" and check out via MasterPass to cut it to $209.52. With free shipping, that's $15 under our July mention and the lowest total price we've seen. (It's a current best by $24.) Designed for NAS systems, it features a 64MB cache. Deal ends October 31.