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Asus has one of the widest ranges of adap­tive-sync dis­plays on the mar­ket, ca­ter­ing for both G-Sync and FreeSync, for users of Nvidia and AMD GPUs re­spec­tively. Their gen­eral high qual­ity has im­pressed us in pre­vi­ous re­views, and they’ve also come packed with fea­tures, in­clud­ing flex­i­ble stands that pivot, ro­tate and tilt, as well as great on-screen dis­play soft­ware, con­trolled by a small joy­stick at the rear of the dis­play. The ROG Swift PG27AQ breaks new ground, though, be­ing a 27in G-Sync dis­play with an IPS panel and a low 4ms re­sponse time.

As such, you can ex­pect su­pe­rior im­age qual­ity and view­ing an­gles com­pared with your av­er­age TN panel, but with­out the se­vere ghost­ing prob­lems of some older IPS mon­i­tors. What’s more, it has a na­tive 4K res­o­lu­tion and sup­ports G-Sync up to 60Hz. While it isn’t the first IPS adap­tive-sync dis­play we’ve seen, or the first 4K mon­i­tor with G-Sync, it’s the first screen we’ve seen that of­fers all three. While Acer’s XB280HK 4K also fea­tures G-Sync, for ex­am­ple, that dis­play has a TN panel rather than IPS.

The vast ma­jor­ity of al­ter­na­tive G-Sync screens also have a 2,560 x 1,440 na­tive res­o­lu­tion, but can go up to 144Hz. This higher re­fresh rate isn’t pos­si­ble at 4K due to the re­quired band­width, which ex­ceeds the ca­pa­bil­ity of Dis­playPort 1.2. Faster pan­els will have to wait for a new Dis­playPort stan­dard, which will only be pos­si­ble with new graph­ics cards as well.

Un­til now, all G-Sync dis­plays have been lim­ited to a sin­gle Dis­playPort in­put, un­like FreeSync mon­i­tors. Asus has added a sec­ondary HDMI port to the PG27AQ, though, mean­ing you can con­nect a games con­sole to it, or a sec­ond PC, al­though it’s only HDMI 1.4, so you won’t be able to dis­play 4K res­o­lu­tions at 60Hz from it, or use G-Sync.

There are a few other omis­sions as well. Nvidia’s 3D Vi­sion tech­nol­ogy has been cut, as has ULMB (ul­tra-low mo­tion blur). There’s also some ar­ti­fi­cial seg­men­ta­tion on the part of Asus. The PG27AQ is ab­so­lutely aimed at gamers, so it there­fore of­fers plenty of fea­tures gamers might want, but a few other fea­tures that are gen­er­ally quite com­mon on cheaper dis­plays have been de­lib­er­ately re­moved. Mul­ti­ple gamma set­tings is one ex­am­ple. The screen is set to 6,500K, and you can’t change it.

It’s easy to understand why. Gamers prob­a­bly don’t ad­just the gamma much, and that fea­ture might be bet­ter suited to a graphic de­signer or pho­tog­ra­pher. But what about pho­tog­ra­phers who also enjoy gam­ing? When spend­ing this much on a dis­play, it would be ideal to have as much pic­ture con­trol as pos­si­ble, even if those fea­tures aren’t go­ing to be used by ev­ery­one.

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