3. Under the Multiplay displays section, select Extend these displays.
Display bandwidth
External monitors require a certain amount of bandwidth to work properly. Monitors with higher resolution require more
bandwidth.
● DisplayPort High Bit Rate 2 (HBR2) is DP 1.2 (5.4 Gbps maximum link rate per lane). With DP overhead, the effective data
rate is 4.3 Gbps per lane.
● DisplayPort High Bit Rate 3 (HBR3) is DP 1.4 (8.1 Gbps maximum link rate per lane). With DP overhead, the effective data
rate is 6.5 Gbps per lane.
Table 2. Display bandwidth
Resolution Minimum bandwidth required
1 x FHD (1920 x 1080) display @60 Hz 3.2 Gbps
1 x QHD (2560 x 1440) display @60 Hz 5.6 Gbps
1 x 4K (3840 x 2160) display @30 Hz 6.2 Gbps
1 x 4K (3840 x 2160) display @60 Hz 12.5 Gbps
Display Resolution Table
Table 3. WD19TBS for Non-Thunderbolt systems
Display Port
Available
Bandwidth
Single Display
(maximum
resolution)
Dual Display
(maximum
resolution)
Triple Display (maximum
resolution)
Quad Display (maximum
resolution)
HBR2 (HBR2 x2
lanes - 8.6 Gbps)
DP1.4/HDMI2.0/
MFDP Type-C: 4K
(3840 x 2160) @30
Hz
● DP1.4 + DP1.4:
FHD (1920 x
1080) @60 Hz
● DP1.4 + DP1.4 +
HDMI2.0:
○ 1 x FHD (1920 x
1080) @60 Hz
NA
Setup of External Monitors 19
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