MB561US-4SC 4 Bay SATA to eSATA Port Multiplier and USB 2.0 Aluminum Removable External Hard Drive Enclosure with 2 Port eSATA Port Multiplier PCI Express Card
MobileSTOR MS4UM+B - 4 Bay eSATA Port Multiplier and USB 3.0 JBOD Tower (Black)
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Range Pro - Card Pcie 2 Ports Esata Compatible Port Multiplier - High Low Pro | eBay
PCIe Card 2 Pt USB 3.1 (10Gbps) + eSATA - USB 3.0 Cards | StarTech.com
NeweggBusiness - iStarUSA ZAGE-D-5SAES-PM eSATA Port Multiplier 1:5 Device Adapter
ADDONICS 5X1 eSATA HARDWARE PORT MULTIPLIER AD5SAHPM-EA 5 SATA Built-In Raid | eBay