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  • If your device stops working, the Rescue data recovery plan will recover the data from the failed device and return it to you on a new piece of external storage media.
  • Covers new removeable flash memory device of any brand when purchased within 30 days (receipt must be retained for purchases not on the same transaction).
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  • If you purchase this service plan and eligible product for this service plan, you acknowledge that Amazon may send the service plan seller relevant product and price information for the purpose of administering the plan

2 Year Data Recovery Plan

from FA Service Plans

  • If your device stops working, the Rescue data recovery plan will recover the data from the failed device and return it to you on a new piece of external storage media.
  • Covers new removeable flash memory device of any brand when purchased within 30 days (receipt must be retained for purchases not on the same transaction).
  • Free shipping for in-lab data recovery; 24/7 online case status tracking
  • If your data isn't recovered, you get your money back.
  • If you purchase this service plan and eligible product for this service plan, you acknowledge that Amazon may send the service plan seller relevant product and price information for the purpose of administering the plan

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

by SanDisk
4.7 out of 5 stars 389 customer reviews
| 11 answered questions

List Price: $59.99
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Ships from and sold by Digital Media Source.
  • Enter your model number above to make sure this fits.
  • 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
15 new from $12.00 1 used from $11.50 1 refurbished from $9.99

Frequently Bought Together

  • SanDisk Extreme HD Video 16 GB SDHC Class 10 Memory Card (SDSDRX3-016G-A21)
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  • Memory Card Carrying Case - Black (Generic)
Total price: $17.19
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Technical Details

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

Compare to Similar Items


This item: SanDisk Extreme HD Video 16 GB SDHC Class 10 Memory Card (SDSDRX3-016G-A21)
Customer Rating 4 out of 5 stars (389) 5 out of 5 stars (3073) 4 out of 5 stars (5323) 4 out of 5 stars (839)
Price $12.00 $24.95 $12.09 $19.99
Shipping $5.95 FREE Shipping FREE Shipping FREE Shipping
Sold By Digital Media Source Amazon.com RS Enterprises Amazon.com
Memory Storage Capacity 16 GB 32 GB 16 GB 16
Secure Digital Association Speed Class class 10 class 10 class 10 class 10
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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.

Product Details

  • Product Dimensions: 7 x 5 x 0.2 inches ; 0.2 ounces
  • Shipping Weight: 8 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B003D5MY5I
  • Item model number: SDSDRX3-016G-A21
  • Average Customer Review: 4.7 out of 5 stars  See all reviews (389 customer reviews)
  • Amazon Best Sellers Rank:
  • Date first available at Amazon.com: August 4, 2009

Customer Reviews

Top Customer Reviews

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.)
8 Comments 250 of 253 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Keeps up with the full HD video and RAW files in high drive mode my 60D wonderfully.
8 Comments 56 of 59 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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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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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.
10 Comments 49 of 56 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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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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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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By J. Abbott on November 17, 2010
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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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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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