New Cooler Master OEM Dual 2.5" SSD SATA HDD To 3.5" MOUNT ADAPTER Coolermaster | eBay
Amazon.com: 2pcs Plastic Chassis Hard Drive Mounting Rails for Cooler Master 3.5" HDD Bracket with Left & Right SATA SSD Computer connectors : Electronics
CoolerMaster dual SSD bracket for 3.5” HDD bay by shaddow501 - Thingiverse