4 Things to Know About the QNAP TS-433

No PCIe slot Regarding the QNAP: The TS-433 lacks a PCIe slot, so you cannot add a 10GbE card, a graphics card, or any other internal expansion.

No external expansion support You cannot connect external expansion units to add more drive bays. The four internal bays are all you get.

Choose drive sizes carefully Since you cannot add more bays later, pick large enough drives from the start to meet your future storage needs.

Four bays is the limit The TS-433 has exactly four internal drive bays with no upgrade path for more storage capacity.