Newegg offers the Sans Digital TowerSTOR 2.5" Serial ATA to USB 3.0 / eSATA Server Storage, model no. TS21UT+B, for $9.99 with free shipping via the directions below. That's $50 off list and a very low price for such a hard drive enclosure. It's compatible with 2.5" hard drives and SSDs of up to 2TB. Deal ends May 26. To get this deal:

1. Add the Sans Digital TowerSTOR 2.5" Hard Drive Enclosure to your cart for $49.99
2. apply coupon code "EMCPEHW73" to cut it to $19.99
3. redeem this $10 mail-in rebate to chop the net price to $9.99