TGC-4824 4U 24bays hotswap,mini-SAS backplane
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TGC-4316 4U 16bays Mini-sas(or SATA/SAS) Hot-swap Server Chassis
TGC-4320 4U 20Bay Mini-sas( or SATA/SAS) Hot-swap Server Chassis
TGC-4310B1 4U 10bays Mini-sas Hot-swap Server Chassis