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Table 7. External ports (continued)
Description
Power-adapter port
Security-cable slot
Internal slots
The following table lists the internal slots of your Precision 7865 Tower.
Table 8. Internal slots
Description
SATA
PCIe Expansion
M.2
Ethernet
The following table lists the wired Ethernet Local Area Network (LAN) specifications of your Precision 7865 Tower.
Table 9. Ethernet specifications
Description
Model number
Transfer rate
Wireless module
The following table lists the Wireless Local Area Network (WLAN) module supported on your Precision 7865 Tower.
Table 10. Wireless module specifications
Description
Model number
Transfer rate
Values
Not supported
● One Kensington security-cable slot
● One Padlock ring
Values
● Two SATA 3.0 slots for 3.5-inch/2.5-inch hard drive and
slim optical drive
● Two SATA 3.0 slots for externally facing storage flexbay
● Two full-height Gen4 PCIe x16 slot
● Three full-height Gen4 PCIe x8 slot
● Two M.2 2230/2280 slot for PCIe NVMe Gen4 solid-state
drive
● Two M.2 2230/2280 slot for externally facing PCIe NVMe
Gen4 storage flexbays
NOTE:
To learn more about the features of different
types of M.2 cards, see the knowledge base article
000144170
at www.dell.com/support.
Values
● Realtek RTL8111-EPP USB 2.0 for DASH Manageability
● Marvel AQC113CS
● 1 Gbps
● 10 Gbps
Values
Qualcomm WCN6856-DBS
Up to 3571 Mbps
Specifications of Precision 7865 Tower
15
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