As one of its daily deals, Amazon takes up to 57% off a selection of hard drives and networking products, with deals starting from $19.95. (The banner states up to 50% off but we found greater discounts.) Plus, Prime members receive free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping adds around $5.) Deal ends today. Some best bets:

• TP-Link Archer Dual Band 802.11ac Wireless USB 3.0 Adapter for $24.99 (low by $5)
• QNAP Diskless 2-Bay Personal Cloud NAS Server for $249 (pictured, low by $81)