Almost a year ago, we reviewed the HP Z27x monitor, which was a 27-inch display capable of covering a very wide gamut. It had a reasonable 2560x1440 resolution, which was pretty common for this size of display. But at CES 2015, HP announced the HP Z27q monitor, which takes a step back on gamut and manageability, but takes two steps forward with resolution. The HP Z27q is a '5K’ display, which means it has an impressive 5120x2880 resolution. This easily passes the UHD or '4K' levels which are becoming more popular. The HP Z27q is one of a handful of 5K displays on the market now, and HP came in with a pretty low launch price of $1300. When I say pretty low, it’s of course relative to the other 5K displays in the market, but it undercuts the Dell UP2715K by several hundred dollars, even today.

The Z27q lacks some of the management capabilities of it’s Z27x brethren, but it still packs in some powerful features. This is a full 10-bit panel, so it can display 1.07 billion colors. It features a 14-bit 3D Look-Up Table (LUT), and it has settings for both the standard sRGB color space and the wider AdobeRGB color space. It does drop the wide-gamut of the Z27x, which had support for Rec. 2020 (although it can’t reach the full gamut), and there is no option for DCI either. There is an option for BT.709 though, if you need it.

Due to the high resolution, there is no option for HDMI or DVI input. The only inputs are the two DisplayPort connectors required to drive this monitor. As a refresher, DisplayPort 1.2, which is the current standard, has enough bandwidth to run UHD, or 3840x2160 content at 60Hz. In order to drive 5K, or 5120x2800, which is 14.7 million pixels, two DisplayPort 1.2 outputs are tied together to form a single display. 4K and 5K sound awfully similar, but 5K has 78% more pixels than 4K. It takes a lot of bandwidth to drive this. HP does offer a USB hub built in, and it is USB 3.0. The hub has two USB ports on the back of the display, and another two on the left side.

HP 27-Inch 5K Display
Manufacturer Specifications Model Z27q
Video Inputs 2 x DisplayPort 1.2
Panel Type IPS
Pixel Pitch 0.116 mm
Colors 1.07 billion (10 bit panel)
Gamut sRGB
Brightness 300 cd/m2
Contrast Ratio 1000:1
Response Time 14ms (on/off)
Viewable Size 27-inch
Resolution 5120x2880@60Hz
Viewing Angle 178°/178°
Backlight LED
Screen Treatment Anti-Glare
Height Adjustable 130 mm
Tilt -5° to +22°
Swivel +- 45°
VESA Wall Mounting Yes
Dimensions w/Stand
at maximum height
63.43 x 21.71 x 54.88 cm
24.97 x 8.55 x 21.61 inches
Weight 7.42 kg
16.36 lb
Additional Features 4 x USB 3.0 output
Accessories 2 x DisplayPort Cables
USB 3.0 Cable
All cables 1.8 m

HP uses a pretty decent on-screen display which can be set to either icons or text. I prefer the text mode, but regardless of how you use it, it offers an easy way to set up the color space, adjust the brightness, and set the individual color channels as needed. Since there are no extra inputs, the menu itself is pretty simple.

Pressing any of the buttons opens up the On-Screen Display, and once opened, the bottom of the OSD shows what each button will do. You can set the device to automatically power off and on at certain times of the day, as well as set the target color range. Brightness is of course one of the quick adjustments. You can also check out the input to ensure that you are running at the correct resolution. There are a lot less options here than some monitors, only because there is really only the one input, where as most lower resolution panels may offer selection of any of the inputs and adjustments for each.

All in all, the OSD design is good enough to get the job done. Once configured, you likely won't be in there much.


The design of the HP Z27q is fairly pedestrian, with the monitor built out of flat black plastic. The HP logo is unobtrusive in the centre, and the on-screen menu options are on the right side. If you were wondering how HP was able to undercut the competition, this is one of the areas where they have saved some money. 

The stand easily blends into the background - it is made out of the same plastic material, but it is a fully featured stand. There is tilt, swivel, and height adjustments available. Cable management is a bit sparse, with just a single rectangular slot at the bottom of the stand to route the cables through. If you use the display at maximum height, all of the cables are going to be exposed here, so some more cable management options would be nice, but in the end it’s functional.

The bottom of the display houses the two DisplayPort inputs, as well as a USB 3.0 input, which then branches off to two USB 3.0 ports on the bottom, and two on the left side.

Although the Z27q is just a plain black monitor, the design is very functional, with plenty of adjustments available to suit pretty much any workspace. If the stand is not of your liking, you can of course mount it using a standard VESA mount as well.

Contrast, Brightness and Gamut
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  • SanX - Monday, December 28, 2015 - link

    I am surprized that you have started arguing having no slightest
    clue in the main basic thing of monitors. It is not the screen 103PPI what
    matters but perceived PPI based on resolved angular dimensions of the pixels.
    This and other factors also define optimal viewing distance.
    The optimal distances are set by the TXH and SMPTE standards
    and not the length of your legs. For 4K monitors perceived PPI are
    almost whopping 600 and head turning 717 respectively. This makes 43"
    TV too small for normal PC use and you have to put it closer to your
    nose to utilize this excessive PPI. That in turn what causes discomfort,
    and that is why you need larger size TV. Where Anandtech finds such
    technodumbos like you? If you will start scaling PPI to be able see
    the small fonts clearly that means trashing all 100% of spent money
    on your "arguably better quality IPS panel" because those small scaled
    fonts look uglier then on even 1080 one.

    And yea, go and tell your mom that that you feel +5ms when there always
    exists the intrinsic 100ms lag in human reaction. It's not the difference
    between 21ms and 26ms which is 20-25% but the difference between
    100+26ms vs 100+21ms or less then 4%, you genius. ROTFLMAO.
    Tell also mommy that 44 ms is unacceptable for the static content
    of the screens like text editing and browsing.
  • AnnonymousCoward - Tuesday, December 29, 2015 - link

    > This makes 43" TV too small for normal PC use
    Hilarious. Who could possibly take you seriously?

    > this excessive [103] PPI
    Again, huh?

    > the intrinsic 100ms lag in human reaction
    You're confusing reaction time with feedback lag. I score 240ms in online reaction tests but can sense 30ms of feedback lag. Reaction time includes the time to process stimulus and physically move something. Feedback is a different thing, since you're measuring the lag from what you already moved.

    There are many thousands of others on the web who agree with what I'm saying. Take a look at the highly respected TFT Central: They classify more than 32ms as "some noticeable lag in daily usage"! Whaduya know! 44ms is even off their chart.

    Convinced yet? There's nothing wrong with being mistaken and learning, but staying in stubborn ignorance is foolish.
  • SanX - Tuesday, December 29, 2015 - link

    Comprehension problems? Funny, no single my point was gotten. How i know that? I intentionally made a mistake in my numbers and you did not catch that ROTFL. What i said about DPI and lags, can repeat with your own words?

    This is 4th repeat that 44ms is for static contents use in PC mode. You will not notice the lag there, lag is noticeable if you move mouse fast. For fast games the Game mode exists with 20ms display lag in JU7500 and 26ms in JU7100, see Rtings "PC Monitor" and DisplayLag 2015 database which rate these monitors as excellent or very good. BTW, LG has even larger lag 55ms and i know people who still use it even in games. This is due to another point you did not get while - this is truly hilarious - trying to teach me what is what: in games the human reaction lag is more important than display lag and is always present. Think again about this if you actually can
  • AnnonymousCoward - Tuesday, December 29, 2015 - link

    I destroyed pretty much all your claims, and yet you stay in ignorance and say things like "go tell mommy".
  • SanX - Wednesday, December 30, 2015 - link

    ROTFL. You can not even repeat in your own words what I said, "destroyer". And yea i'd suggest your mommy to take your Gameboy off.
  • Guspaz - Monday, December 28, 2015 - link

    You guys should take a look at the Asus PG279Q. 27", 1440p, IPS panel, 165Hz, G-Sync. I don't think I've seen any detailed reviews of it (the kind that actually benchmark it), although LinusTechTips did measure input lag at 12.5ms, which isn't bad.
  • SanX - Tuesday, December 29, 2015 - link

    Minor typos:
    THX 492
    SMPTE 597
  • sharath.naik - Wednesday, December 30, 2015 - link

    To have a usable 5k monitor. Below is the spec that would have the same PPI as a 4k 27 inch monitor.
    Display size: 36 inch
    Screen curved.
    Given this is still the minimum size for 5k you will still be sitting very close to the monitor, a flat panel will make it very hard to view the edges. So a curved screen is a must. This is for any manufacturers if they are reading this.
    If not the above may be 2 27inch 4k monitors make more sense and is going to be cheaper too, and more convenient in terms of connectivity.
  • AnnonymousCoward - Wednesday, December 30, 2015 - link

    Sorry to say, but your "spec" of 5K 36" curved won't be of any use to any manufacturer. They don't choose resolution and size based on what 1 random dude on the internet posted.

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