Dell ThunderDock WD22TB4 - Manual (Page 16)

Table 3. WD22TB4 for Thunderbolt systems (continued)
Display Port
Available
Bandwidth
Single Display
(maximum
resolution)
Dual Display
(maximum
resolution)
Triple Display (maximum
resolution)
Quad Display (maximum
resolution)
● DP 1.4 + MFDP
Type-C: 4K (3840
x 2160) @60 Hz
● DP 1.4 + TBT
Type-C:
○ 1 x 4K (3840 x
2160) @60 Hz
○ 1 x QHD
(2560 x 1440)
@60 Hz
● HDMI 2.0 + TBT
Type-C:
○ 1 x 4K (3840 x
2160) @60 Hz
○ 1 x QHD
(2560 x 1440)
@60 Hz
● MFDP Type-C +
TBT Type-C:
○ 1 x 4K (3840 x
2160) @60 Hz
○ 1 x QHD
(2560 x 1440)
@60 Hz
○ 3 x 4K (3840 x
2160) @60 Hz
● DP 1.4 + DP 1.4 + TBT
Type-C:
○ 2 x 4K (3840 x
2160) @60 Hz
○ 1 x QHD (2560 x
1440) @60 Hz
● DP 1.4 + MFDP Type-C
+ TBT Type-C:
○ 2 x 4K (3840 x
2160) @60 Hz
○ 1 x QHD (2560 x
1440) @60 Hz
● DP 1.4 + HDMI 2.0 +
TBT Type-C:
○ 2 x 4K (3840 x
2160) @60 Hz
○ 1 x QHD (2560 x
1440) @60 Hz
3 x 4K (3840 x 2160)
@60 Hz + 1 x 4K (3840
x 2160) @30 Hz
● DP 1.4 + DP 1.4 +
MFDP Type-C + TBT
Type-C:
3 x 4K (3840 x 2160)
@60 Hz + 1 x QHD
(2560 x 1440) @60 Hz
OR
3 x 4K (3840 x 2160)
@60 Hz + 1 x 4K (3840
x 2160) @30 Hz
Port disablement
Table 4. Port disablement
Ports connected to display Ports disabled
● Two DisplayPort 1.4 ports (rear)
● One HDMI 2.0 port (rear)
● One Thunderbolt 4 port (rear)
Second Thunderbolt 4 Type-C port supports data only (rear)
Two Thunderbolt 4 Type-C port (rear) ● Two DisplayPort 1.4 ports (rear)
● One HDMI 2.0 port (rear)
● One USB 3.2 Gen 2 Type-C port with DisplayPort 1.4 Alt
Mode
Important
NOTE: HDMI 2.0 and MFDP (Multi-Function DisplayPort) Type-C ports on the back of are toggled. HDMI 2.0 and MFDP
Type-C cannot support dual monitors simultaneously. Only one of these ports can be used at a time.
NOTE: If higher resolution monitors are used, the Graphics driver makes a judgment based on monitor specifications and
display configurations. Some resolutions may not be supported and so will be removed from the Windows Display Control
Panel.
NOTE: Linux operating system is unable to physically turn-off built-in display, the external display numbers will be one less
than the display numbers listed in above tables.
NOTE: Resolution support is also dependent on the monitor’s Extended Display Identification Data (EDID) resolution.
16 Setup of External Monitors