ICY DOCK's FLEX-FIT Duo MB343SPO is a lightweight yet durable 3.5-inch to 5.25-inch mounting kit bracket that utilizes a single stardard external 5.25'' computer bay to accomodate a 9.5mm Ultra-Slim ODD and 3.5''HDD/ device.
SATASASSlimline SATAPCIeU.2 SFF-8639miniSAS HD SFF-8643Oculink SFF-8612Slimline SAS SFF-8654CFexpress Type BUSB3.0(USB3.2 Gen1)USB3.1(USB3.2 Gen2x1)USB3.2(USB3.2 Gen2x2)USB4Thunderbolt 3MCIO(SFF-TA-1016)No Preference