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3M X21
3M X21

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3M X21 Projector

500:1 XGA (1024x768) 2,700 ANSI Lumens Oct 2012
Contrast Ratio (typical) Projector Native Resolution Projector Brightness Built-In Speaker(s) Release Date
Has a built-in speaker(s)
Fairly bright projector brightness
Does not support full HD

Available from international sellers only

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Released Over Four Years Ago

3M released the X21 in October 2012.


Multimedia

Has a Built-In Speaker(s)

The 3M X21 has a built-in speaker(s). Most of the other 500:1 contrast ratio multimedia projectors that have been on the market for a comparable time to this multimedia projector also have a built-in speaker(s).

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Video

Does Not Support Full HD

The 3M X21 does not support full HD, although this is within the context that most of the other data projectors of this spec and age also do not support full HD.

It is worth also looking at other projectors which also support full HD including the Optoma HD23[plb_1830006_price] which is also higher rated.

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Projector

XGA (1024x768) Resolution

This projector has a projector native resolution of XGA (1024x768), which is the most commonly found projector native resolution on projectors of a comparable age and spec to it.

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Fairly Bright Projector Brightness

The average projector brightness of 500:1 contrast ratio multimedia projectors that have been on the market for a comparable time to this multimedia projector is 2,500 ANSI lumens. At 2,700 ANSI lumens, the 3M X21 has a fairly bright projector brightness compared to most of the other 500:1 contrast ratio multimedia projectors that have been on the market for a similar time to this projector.

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Ports & Interfaces

Does Not Have a DVI Port

The 3M X21 does not have a DVI port, although this is within the context that most of the other comparable spec data projectors that came out around the same time as this projector also do not have a DVI port.

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Lamps

Quite Short Service Life of Lamp

The 3M X21 has a quite short service life of lamp (only 3,000 hours) compared to most of the other multimedia projectors of this age and spec. Across all the 500:1 contrast ratio multimedia projectors that are a comparable age to this projector the service life of lamps range from 220h to 6,000h, and the average service life of lamp is 3,700h.

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3M X21 Review Sources

To prepare this 3M X21 review we compared this projector to 2,071 other models. For each projector that we compared, we collated thousands of pieces of information including technical specs, reviews, and prices. In total we analysed 328,120 product attributes, 14,264 projector reviews and 2,801,300 historical projector prices from 169 projector retailers. We then picked out the standout features of this projector compared to the other models as well as any areas where this projector is lacking.
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