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  • SanDisk Extreme HD Video 16 GB SDHC Class 10 Memory Card (SDSDRX3-016G-A21)
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SanDisk Extreme HD Video 16 GB SDHC Class 10 Memory Card (SDSDRX3-016G-A21)

by SanDisk
| 6 answered questions

List Price: $59.99
Price: $19.95 & FREE Shipping
You Save: $40.04 (67%)
In Stock.
Ships from and sold by True Modern Electronics.
  • Capture HD video on Class 10 camcorders and video-enabled DSLRs
  • Store up to 4 hours of H.264 high-def video2
  • Performance/speed: Up to 30 MB/sec read and write speeds
  • Operating temperature: -13ºF to 185ºF (-25ºC to 85 ºC)
  • Compatibility: Compatible with all SDHCTM and SDHCTM UHS-I supporting host devices
57 new from $13.59 1 used from $16.49

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SanDisk Extreme HD Video 16 GB SDHC Class 10 Memory Card (SDSDRX3-016G-A21) + Memory Card Carrying Case - Black (Generic)
Price for both: $22.54

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Customer Rating 4.5 out of 5 stars   (338) 4.7 out of 5 stars   (4,388) 4.6 out of 5 stars   (2,088) 4.7 out of 5 stars   (77)
Price $19.95$25.47$10.67$5.75
Shipping Free ShippingFREE ShippingFREE Shipping$4.99
Sold By True Modern ElectronicsAmazon.comAmazon.comCalvinNHobbs
Capacity 16 GB 32 GB 16 GB 8 GB
Speed Class 10 Class 10 Class 10 Class 10
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Technical Details

  • Brand Name: SanDisk
  • Model: SDSDRX3-016G-A21
  • Memory Storage Capacity: 16 GB
  • Hardware Platform: Pc

Product Details

  • Product Dimensions: 7 x 5 x 0.2 inches ; 0.8 ounces
  • Shipping Weight: 8 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B003D5MY5I
  • Item model number: SDSDRX3-016G-A21
  • Average Customer Review: 4.5 out of 5 stars  See all reviews (338 customer reviews)
  • Date first available at Amazon.com: August 4, 2009

Product Description

Get the perfect balance of speed and reliability for high definition video and faster shot-to-shot performance with SanDisk Extreme HD Video SDHC cards. Delivering Class 10 video performance with up to 30MB/sec read/write speeds, you’ll be ready to capture HD video on the latest digital point & shoot cameras and DSLRs that have high-definition video recording capabilities. Go with the latest in SanDisk memory optimized for video, and enjoy the ultimate in performance and high-def clarity.

Customer Questions & Answers

Customer Reviews

It is now working great with my new purchased Nikon D5100.
Ashton Pitts
The speed of this card allows the camera to write the images to it fast enough to keep up with my quick shutter finger.
Diver Ed
It's HD so it will record your videos or pictures in great quality, and your videos won't be choppy or lag.
Haley

Most Helpful Customer Reviews

248 of 251 people found the following review helpful By S. Gilbertson on December 8, 2011
I'd just like to point out for prospective buyers that there are two similar SanDisk Extreme SD cards, but with a key difference:
- The normal one (SDSDX3-016G-A31)
- This "HD Video" one (SDSDRX3-016G-A21)

The limitation of this card is that it normally operates at 20MB/s and only achieves 30MB/s in the few devices that support UHS-I. If your device doesn't specifically state "UHS-I", I would highly recommend paying slightly more for the far faster "normal" version. This is based on research and responses from SanDisk. Hope this helps!

(4-star rating based on the lack of clarity of this caveat in the product description. I have only purchased the other version, but hope that others aren't unaware of their devices likely not realizing their full potential using this card.)
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56 of 59 people found the following review helpful By Shane Long Photography on October 22, 2010
Verified Purchase
Keeps up with the full HD video and RAW files in high drive mode my 60D wonderfully.
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41 of 44 people found the following review helpful By Richard O. Wendrock on January 10, 2011
Verified Purchase
My wife and I were so impressed with our first card that we just purchased our second Extreme HD Video card. Pictures from our Canon HD video camera are perfect using this card and all features of the camera are available. We found that using cheaper cards caused the camera to disable some recording features.
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48 of 55 people found the following review helpful By Kevin P on May 11, 2011
Verified Purchase
This is my 2nd one of these cards I purchased as the first one was great (first was about 4 months ago). The product picture above is actually deceiving as when I received this card it came as "Extreme HD Video 30MB/s Class 10 SDHC UHS-I". It however is the exact same model number as the 20MB/s card I have and worked great in my Sony SLT-A33 camera until about halfway through the card capacity I took a picture, clicked review, and my camera locked up and couldn't read the memory card. I was able to thankfully retrieve all the pictures using one of my computers that same day, but trying now my computer can no longer read it. I've always used SanDisk cards and this is the first time I've ever had a read/write issue with them. Since the card is so new, SanDisk support recommended I simply get a replacement through Amazon.
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20 of 21 people found the following review helpful By HD Junky on January 30, 2011
Verified Purchase
Clearly, the SanDisk Extreme for HD video is the right memory card for you HD video camera. But, purchasing this card at Amazon.com from one of the more competative vendors will save you big bucks. I've purchased two for a total price of less than I could find elsewhere, for a single card. The most expensive price I found was at a place that claims to be the "best buy". Not even close! This card saves my pictures and video flawlessly in both a Canon Rebel SLR and my GoPro HD Hero video cameras.
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14 of 14 people found the following review helpful By J. Abbott on November 17, 2010
Verified Purchase
This quality of memory card may be overkill for a small point and shoot camera with HD movie capability, but it works flawlessly on the Canon SX210is 14.1MP with 720P HD.
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13 of 13 people found the following review helpful By BmoSeattle on November 15, 2011
Verified Purchase
I bought this card for my Canon T3i after having trouble with a more expensive but less name brand card. I'm not sure why I ever bought the other one in the first place! In my eyes there are only a few things you need out of a card: It needs to be reliable and fast. So far I haven't had any troubles with videos ending in error messages or pictures that have been lost or corrupted. I haven't done any intense speed tests or anything but the fact that I've never thought to myself, "wow, this card is slow" is the only real test that matters to me. It processes pictures and videos as fast as I can take them. There are probably better cards out there somewhere but I as far as I can tell, this card excels on every level.
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12 of 12 people found the following review helpful By Sharky on June 20, 2011
Verified Purchase
The card shown is not the card I received. I got a 30mb/s card that is a class 10. This is a great card! I used it in my canon DSLR T2i down at the beach filming my youth paddlers in the canoe. Full sunlight, 1080i and not even a hiccup. These cards seem to be the best bang for the buck (excluding non-name brands of course)at the moment. Only thing that makes me hesitate buying them again is the fact that they aren't made in the USA.
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