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DisplayPort 1.2a to DVI Active Adapter, Black
Connect your DisplayPort equipped PC to a DVI monitor using this DisplayPort 1.2a to DVI Active Adapter from Monoprice!
This adapter is designed to allow you to connect a DVI monitor to a DisplayPort video output. It conforms to the DisplayPort 1.2a standard and supports DVI Dual Link output to resolutions up to 2560x1600p @60Hz. Being an active adapter, it is fully compatible with the AMD® Eyefinity and nVidia® Surround multidisplay modes.
It features a true 6" cable length with polycarbonate connector heads. The DVI end has panel screw holes, so you can secure the cable to the connector. The DP connector head measures 14.5mm thick, 25.5mm wide, and 31.0mm long. The DVI connector head measures 19.5mm thick, 48.0mm wide, and 50.5mm long.
- Conforms to DisplayPort 1.2a standard
- Supports Dual-Link DVI resolutions up to 2560x1600p @60Hz
- ACTIVE adapter is compatible with nVidia Surround and AMD Eyefinity multidisplay modes
AMD is a registered trademark of Advanced Micro Devices.
NVIDIA is a trademark of NVIDIA Corporation.
I have 2 Different monitors, 1 Yamakasi Q270 which is a pass-through monitor and an Auria which has a scaler. Tested with both AMD 7950 and RX 480 cards none would work at 1440p for either monitor through this adapter, though both monitors works fine when connected to DVI directly to my 7950.
Now, I am an Electrical Engineer and this curiosity got the better of me so I cracked open 1 of the 2adapters that I now have, this adapter is designed around a Parade Tech PS170 Active Displayport to HDMI/DVI conversion chip. A little digging around on the Internet and I found a datasheet for this chip which clearly state that this chip only has enough channels for SINGLE LINK output.
So how did some people got it to work? well it appears that there is an optional specs of DVI that allows for single link speed of 340MHZ which is essentially double the rate of normal DVI, some monitors support this, such as Dell U2711 & U3011 and Philips 288p6. Monitors with dual-link DVI-D input that requires two 165MHZ link signal will not get resultion higher than 1080P!!!
Unfortunately all active adapters that I can find on the market uses this same chip design since they are most likely made in the same factory in China, which mean that if you have a monitor that require normal speed dual-link DVI you might as well get the $80 adapter.
PROS: Active adapter for cheap
CONS: NOT DUAL LINK!
Tested the adapter with a Sapphire Fury X (AMD), HP Probook 455 G2 (AMD A8), and 760 GTX (nVidia).
Monitor is indeed working from my 560ti (nVidia) using DVI-D dual-link.
Don't have any other 1440p monitors to tests, but adapter works fine with my HP 2511x (1920x1080).
PROS: - Drives 1080p fine
- Fair pricing
CONS: - Achieva Shimian QH270 incompatible
It seems to have done the trick with the Macbook & Monoprice 1440p combo - however it only partially worked with my own monitor, an Achieva Shimian 27" 1440p. The picture flickered and there were green lines and occasional screen blanks using the adapter with my Achieva, even at resolutions as low as 640x480. I tried with a Radeon R9 290 (GPU scaling on and off) as well as a laptop with Intel 4600 integrated GPU. The cable used was the one that came with the monitor which works well when connected to to an actual DVI port.
The Monoprice monitor which works with the adapter is actually based off of the Achieva which 'sort of' works, however it must have a better control board than the Achieva. In other words, your mileage may vary depending on your monitor and how sensitive it is to the timings (or who-knows-what) of these adapters.
PROS: Supports Dual Link
Works at 2560x1440
CONS: No mini dp variant - had to use mini dp to full dp adapter
Testing with a MSI 970 Gamer, everything is fine at 60 Hz. Using the NVIDIA control panel's custom resolution setting, I could overclock only to 65 Hz without artifacts. Starting at 66 Hz, I see a single horizontal artifact line through the display. Increasing the frequency just increases the number of horizontal artifacts.
PROS: Plug and play DVI to DP1.2
No issues at 60 Hz at 1440p resolution
CONS: Very limited refresh rate overclocking potential
PROS: Ease of installation
CONS: No 144hz at 1080P
CONS: Works no better than the passive adapter that came with my PC.
2560x1600 (0x87) 268.0MHz +HSync +VSync
h: width 2560 start 2608 end 2640 total 2720 skew 0 clock 98.5KHz
v: height 1600 start 1603 end 1609 total 1646 clock 59.9Hz
Monitor looks to pick up a little bit of the signal but fails to lock on and gives up after about 20 seconds of mostly garbage. Works at lower resolutions of which there are few on this monitor.
CONS: doesn't work with intended monitor
I have contacted Monoprice support, and have been issued two replacements, however, as a precaution, I have also ordered a more expensive USB powered adapter, as well. Customer service was friendly and courteous, as always.
As much as I wish I could, I cannot recommend these for Fury X users with Korean 2k monitors. I know there's quite a few of us, out there.
PROS: Works great with my other 2 monitors (900p Monoprice Interactive pen display, and Acer 1080p)
Doesn't require USB power
CONS: 2 separate units failed to work with my Yamasaki 1440p Korean IPS monitor, and Sapphire Fury X, even with different cables
PROS: price & quality