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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!
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
PROS: price & quality
This adapter is perfectly capable of displaying at this resolution and refresh rate with no issues whatsoever EXCEPT that the monitor puts a giant box over the display saying that the cable is incorrect. The picture behind the box is perfect, though!
The picture changes a bit when it comes to my Qnix QX2710, however. At 1440p 60Hz it works perfectly, but while I can get it to 120Hz on my video card's built-in port, it starts to get artifacts at 70 with the adapter.
I'm not taking any stars off because this adapter never claims to support above 60Hz and technically it's outside of the DVI spec, but I know I can't be the only one wondering if these work.
PROS: Works as described. If you're a normal person with a normal monitor, don't hesitate to purchase one of these.
CONS: Compatibility with monitors above 60Hz may be spotty
PROS: It works great!
CONS: There are some artifacts that show up occasionally but I think it has more to do with my old laptop's underpowered graphics card than with the adapter.
PROS: Cheaper than every other Active adapter out there.
Works well for keeping Eyefinity enabled.
CONS: No DP-'clip'. Not really a con, but I'd prefer to have it.
PROS: The adapter works with a Dell OptiPlex 9010 per Dell's requirement that to attain 3-displays from the onboard Intel, where 2 are DP and 1 is VGA, Active DP DVI adapters must be used. I have had no troubles with the configuration for several weeks with daily use.
CONS: I had trouble with the DP connector mating with the onboard motherboard DP sockets. I had to cram them in firmly before my displays were consistently recognized.
Initially, one DP adapter would blank out every 30 minutes, but this cleared up after a few days of use. I verified the periodic blanking was the specific DP DVI adapter by swapping the display and motherboard port used for each of the two DP DVI adapters.
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