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HP’s new Thunderbolt 4 monitor uses contrast-rich IPS Black technology

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HP today announced a 31.5-inch monitor at its Amplify partner conference, aimed at workers with data-intensive setups and strong image quality needs. The 4K resolution HP Z32k G3 claims to be the first monitor to use an IPS Black panel along with a Thunderbolt 4 USB-C port.

Dell was the first to use IPS Black, turning to LG Display technology for 27-inch and 31.5-inch UltraSharp USB-C monitors. IPS Black is a type of IPS panel that is supposed to double the typical contrast ratio of traditional IPS by offering darker black levels. LG screen reclaimed that IPS Black’s black levels are “35 percent deeper than existing IPS products.”

HP’s Z32k G3 claims a 2,000:1 contrast ratio, compared to the standard IPS monitor, which is typically around 1,000:1, with premium IPS examples reaching around 1,300:1. Assuming HP shared an accurate figure, it’s worth noting that the spec doesn’t match a strong VA monitor or, when compared to the contrast offered by displays with more expensive backlight technology, Mini LED or OLED.

There's also HDMI 2.0, DisplayPort 1.4, four 5Gbps USB-A ports, RJ45, and even USB-B.
Enlarge / There’s also HDMI 2.0, DisplayPort 1.4, four 5Gbps USB-A ports, RJ45, and even USB-B.

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We tested IPS Black on the Dell UltraSharp U2723QE and saw impressive contrast ratios of up to 1977:1 with contrast settings maximized to the point where small black text was harder to read on white backgrounds, but dark colors and details lighter they were seen more vividly. Even with the default contrast settings, the monitor reached 1,873:1 and displayed noticeably more vivid image quality than a typical IPS monitor. HP’s Z32k G3 is likely to use the same 31.5-inch IPS Black panel used by Dell UltraSharp 32 (U3223QE).

HP’s display claims up to 400 nits of brightness and backs it up with VESA DisplayHDR 400 certification. It’s also supposed to cover 98 percent of DCI-P3 with a Delta E of less than 2, so color errors aren’t They should be visible to the naked eye. Those claims are close to what we saw when we tested Dell’s 27-inch UltraSharp IPS Black monitor.

HP also claimed that its IPS Black monitor could deliver more accurate colors at lower brightness settings than traditional IPS monitors.

Unlike Dell IPS Black Monitors, which can be connected to PCs via DisplayPort 1.4 over USB-C for a maximum transmission speed of 32.4 Gbps, the HP IPS Black Monitor uses 40 Gbps Thunderbolt 4 port (the monitor, according to HP, will not work with computers that do not support Thunderbolt 4 or more than one 20Gbps USB-C port). That makes the display ideal for power users managing up to two 4K 60Hz displays, a Thunderbolt 4 dock, external storage, and external graphics cards.

The monitor also charges PCs with up to 100W and has a KVM switch to switch between up to two systems. HP’s Display Manager also enables remote monitor management, including deployment, asset tracking and remote configuration adjustment of the Z32k G3, HP said.

HP said it would share pricing for the Z32k G3 closer to its November launch date.

Ars Technica may be compensated for sales of links in this publication through affiliate programs.


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