Tower Models

SOHO/Home Segment

PCIe slots for expansionNo (except TS-251D)
10GbE Lan port No
Warranty 2 years

Tower Models

SMB (Company < 100 ppl)

PCIe slots for expansionYes (except TS-431X3 and TS-932PX)
10GbE Lan port Yes (either on board or via PCIe expansion)
SSD Cache Yes (either M.2 on board or via PCIe expansion, except TS-431X3)
Warranty 2/3 years

9-Bay

5x 3.5" + 4x 2.5" SSD slots

ARM CPU 4 Core; 2 x 10GbE SFP+ & 2 x 2.5GbE

16-Bay

12x 3.5" + 4x 2.5" SSD slots

Marvell CPU 4 Core; 2 x 10GbE SFP+ & 2x GbE

Rackmount Models

SMB (Company < 100 ppl)

PCIe slots for expansionYes (except TS-431XeU & TS-451DeU)
10GbE Lan port Yes (either on board or via PCIe expansion, except TS-451Deu)
SSD Cache Yes (either M.2 on board or via PCIe expansion, except TS-431XeU)
Warranty All 3 years

Rackmount Models

SMB (Company > 100 ppl), Enterprise

PCIe slots for expansionYes
10GbE Lan port & SSD Cache Yes (either on board or via PCIe expansion)
Warranty All 3 years

18-Bay

12x 3.5"+ 6x 2.5" SSD slots

Intel Xeon 4 Core; ECC RAM; 4x GbE+2x 10GbE SFP+