Table 6. Memory specifications (continued)
Description
Values
●
32 GB, 1 x 32 GB, DDR5, 4800 MHz, non-ECC, CAMM
module
●
64 GB, 1 x 64 GB, DDR5, 4800 MHz, non-ECC, CAMM
module
●
128 GB, 1 x 128 GB, DDR5, 3600 MHz, non-ECC, CAMM
module
External ports
The following table lists the external ports of your Precision 7770.
Table 7. External ports
Description
Values
Network port
One RJ45 Ethernet port
USB ports
●
Two Thunderbolt 4 ports (USB Type-C)
●
One USB 3.2 Gen 2 Type-C port with DisplayPort alt mode
●
One USB 3.2 Gen 1 port with PowerShare
●
One USB 3.2 Gen 1 port
Audio port
One universal audio jack
Video port
●
Two Thunderbolt 4 ports (USB Type-C)
●
One HDMI 2.0a port (UMA)
●
One HDMI 2.1 port (DGPU)
Media-card reader
One SD-card slot
Power-adapter port
●
180 W AC adapter, 7.40 mm - SFF
●
240 W AC adapter, 7.40 mm - SFF
Security-cable slot
One wedge-shaped security slot
Internal slots
The following table lists the internal slots of your Precision 7770.
Table 8. Internal slots
Description
Values
M.2
●
One WWAN
●
One WLAN
●
Four M.2 solid-state drive
NOTE:
To learn more about the features of different
types of M.2 cards, search in the Knowledge Base
Resource at
.
Specifications of Precision 7770
15