Sans Digital TowerRAID 4-Bay SATA to eSATA Port Multiplier for $129.99 Shipped

Sans Digital TowerRAID TR4M-B 4 Bay SATA to eSATA Port Multiplier for $129.99 shipped.  Here is a screenshot for your reference.  It provides access to 4 hard drives using only one cable using the host interface of eSATA with port multiplier and supports RAID 0, 1, 10, 5, 5+ spare, spanning and JBOD.  It usually goes for about $169.