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Samsung S27A850D 27-Inch Screen LED-Lit Monitor

4.1 out of 5 stars 21 customer reviews
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  • DVI-D + DisplayPort
  • 7ms ray-to-Gray Response Time
  • 97.1% Coverage of AdobeRGB C
  • 178° Viewing Angle
  • 300cd/m² Brightness
  • 1000:1 Contrast Ratio; 2560 x 1440
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Product Description

Samsung 27 inch S27A850D Widescreen 1,000:1 5ms 850 Series Business LED Monitor

Product Information

Technical Details

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Summary : Screen Size, Screen Resolution, Graphics Coprocessor, Graphics Card RAM
Screen Size 27 inches
Max Screen Resolution 2560 x 1440
Brand Name Samsung
Item model number S27A850D
Operating System N/A
Item Weight 1,520 pounds
Product Dimensions 1.6 x 25.3 x 15.3 inches
Item Dimensions L x W x H 1.65 x 25.28 x 15.35 inches
Color Matte Black

Technical Specification

Additional Information

Customer Reviews
4.1 out of 5 stars 21 customer reviews

4.1 out of 5 stars
Best Sellers Rank #26,328 in Computers & Accessories (See top 100)
#1,856 in Computers & Accessories > Monitors
Shipping Weight 21 pounds
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available May 15, 2011

Warranty & Support Return Policy:You may return any new computer purchased from that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Product Warranty: For warranty information about this product, please click here


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

I purchased this for quality text rendering...resolution and general business applications/systems management. My prior monitor was the PVA panel based Samsung 214T.... a higher end display also, which has served me well over the years. Comparing the two side by side is almost comical. The clarity, brightness and contrast of this monitor are so far is not comparable. This could be partly due to the PVAs age (not sure). I am still using the Samsung 214T in an extended display config (good for conference calls and trainings I can move to the side)... When I move a window from the PLS to the PVA it is like going from a laser printer to dot matrix -- almost that profound. I have never seen a monitor so sharp and clear with text. Granted I have not owned a professional IPS monitor like high-end NEC etc... Yet I suspect it couldn't get much better than this for text clarity.

The anti-reflective treatment on this monitor is absolutely perfect (at least to my eyes) --- text is razor sharp with no fuzziness....yet no reflectivity from room lights that I can detect. I thought my 214T AR coat was good.....but now it looks grainy by comparison. Not sure what Samsung did here...but WOW. I have read some comments about other competing monitors, some more expensive, that have annoying artifacts induced by their screen treatments.

As far as configuration, I just set it for "Magic Brightness" and setup "Dynamic Contrast" mode...and let the monitor figure out things. Left everything else stock settings. Depending on what is on the screen..the brightness and contrast modulates. Generally, these changes are helpful. I wouldn't use this mode for watching movies critically, but it seems to make sense for typical working applications.
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I've had this monitor for over a month now. Coming from Dell U2711, it's refreshing to look at this monitor due to a much milder, which means better, anti-glare(AG) coating. Text don't look fuzzy anymore and this is especially important because small dot pitch due to the high resolution in a 27" monitor.

Also because of this monitor using LED, it is much lighter to mount on a Ergotron arm and place on the desk because of it's much lighter weight. LED also means much less power consumption.

As far as back light bleeding, I don't notice anything serious, even from watching movies with dark scenes in a dark room and it's definitely not a concern for daily use.

Another reviewer mentioned that there is problem with viewing angles. Personally, I find it great and it's no better yet no worse than an IPS monitor (as I said, I am coming from a Dell U2711).

I do observe with my naked eyes that the Dell U2711 can generate slightly richer(more) color (and technically it has more color coverage, if you search for detailed reviews). But because of the stated AG coating problem, this Samsung monitor is probably your best bet for a 27" 2560 X 1440 resolution monitor up to date (3/28/2012).

Oh, if you use the stand, it is very good and flexible for height adjustment.

Update on 10/12/2012: The model number for this monitor is S27A850D for your convenience as it's not listed in the description.
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Magnificent resolution. For photography, the colors are spot on after calibration (Coloreyes Pro, Spyder 3), and ports are plentiful. Also (with Windows) run ClearType and inspect it closely with a magnifier.

The Samsung variant on IPS is very good but comparing it with an iPad 2 and other IPS screens, it does show a color shift at the widest edges along with backlight bleed-through in the lower corners. This is with my head stationary in the horizontal center of the screen, 3/4 up on the vertical. It is a pretty minor issue and is not noticeable with normal photographs but is evident with internet browsing and file management. It wouldn't be much of an issue if Samsung didn't make such strong claims for its "PLS" variation on the IPS display. I'm keeping it and reveling in viewing my photos again in such wonderful color and resolution.

Suggestion: If you buy from Amazon Marketplace, be sure to check the company's return policy. I bought an HP LP2475w through the marketplace that had a horrible color cast - green on the left to pink on the right. I had to fight for an RMA, took 2 weeks and threats, and am still waiting (over a month now) for credit as they have to have it "inspected." When I buy through, I've not had problems with returns.
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I use the S27A850D display as a second display for a MacBook Pro with Thunderbolt display.

- Rotatable display allows portrait or landscape orientation
- Low gloss finish reduces light reflection in the display

- The color and image quality is nowhere near as good as the Apple Thunderbolt display. I've adjusted the settings repeatedly, and even tried using Samsung's `auto' settings, but the color quality just isn't there.

- Not plug-and-play for 2560 x 1440 resolution. To achieve the 2560 x 1440 resolution on the A850 I had to buy an Apple Mini-DVI to Dual-link DVI adapter ($100). This adapter has a Mini-DVI/Thunderbolt male + USB male on one side, and female DVI + USB on the other side. You need to connect both the DVI cables and the USB cables between the Mac and the A850's USB3 input port. Any other configuration causes the A850 to run at less than 2560 x 1440 resolution.

- Menu on the display is awkward to use

- I'm also getting an issue with the SA850 where, occasionally after waking the Mac, the A850 display is all "snow" (the Thunderbolt display is fine). Switching the display on & off a few times will get rid of the "snow", but it is annoying to have to do this.
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