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Precision 3660 Tower Setup and Specifications

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Internal slots

The following table lists the internal slots of your Precision 3660 Tower.

Table 1. Internal slotsThe following table lists the internal slots on your Precision 3660 Tower.
Description Values
M.2
  • One M.2 2230 slot for WiFi and Bluetooth card
  • Two M.2 2230/2280 slots (SSD0 and SSD1) for solid-state drives
  • One M.2 2280 slot (SSD2) for solid-state drive
NOTE:SSD0 slot natively supports M.2 2280 SSDs. M.2 2230 SSDs can be installed on this slot by using an extender part only.
NOTE:SSD1 slot natively supports M.2 2230 and M.2 2280 SSDs.
NOTE:SSD2 slot natively supports only M.2 2280 SSDs.
NOTE:To learn more about the features of different types of M.2 cards, search in the Knowledge Base Resource at Dell Support page.
SATA
  • Five SATA 3 slots

PCIe

  • One PCIe x16 Gen5 (discrete graphics card only)
  • One PCIe x4 Gen4
  • One PCIe x4 Gen3

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