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SanDisk 2 GB SDSDX3-2048-901 Extreme III SD Memory Card (Retail Package)

4.3 out of 5 stars 289 customer reviews

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  • Built to perform in the most extreme environments and temperatures
  • Designed to meet the critical speed and performance needs of serious professional photographers
  • Lets you quickly capture, view, upload and transfer large image files 
  • Minimum 20MB/second sequential read and write
  • Data recovery software ensures your photos will be there even if you delete them accidentally 
Compatibility Check: Please refer to your product's documentation to confirm maximum supported capacity, and compatibility with SDHC memory cards (SDHC, miniSDHC, microSDHC) before purchase.

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Technical Details

  • Brand Name: SanDisk
  • Model Number: SDSDX3-2048-901
  • Memory Storage Capacity: 2 GB
  • Form Factor: SD Memory Card

Product Description

Product Description

Serious professional photographers who demand one of the fastest, most rugged, and most durable memory cards on the market should choose the SanDisk Extreme III SD card. Built to work under the most challenging conditions, with SanDisk Extreme III you’ll get more speed, better performance, and unmatched reliability

From the Manufacturer

Serious professional photographers who demand one of the fastest, most rugged, and most durable memory cards on the market should choose the SanDisk Extreme III SD card. Built to work under the most challenging conditions, with SanDisk Extreme III you’ll get more speed, better performance, and unmatched reliability.

That’s because only SanDisk Extreme III memory cards feature innovative ESP Technology for the fastest speeds and highest performance. ESP stands for "Enhanced Super-Parallel Processing". Simply put, it means you are getting the fastest read/write speeds available – an amazing minimum 20MB per second sequential read and write speed – speed you’ll definitely appreciate whenever you find yourself shooting and storing pictures in harsh environments, extreme temperatures or at high altitudes.

Every SanDisk Extreme III SD card comes with RescuePRO so you can recover images, documents, mail, video, music – just about any digital file, with ease. Built with leading-edge media recovery algorithms, RescuePRO lets you preview recoverable data before you try to retrieve it. With RescuePro’s unique recovery algorithm for MPEG audio and MPEG video recovery (MPEG-1/2/3) what you see, and what you hear, is what you can recover.

Advanced Features:

  • Designed to meet the critical speed and performance needs of serious professional photographers—lets you quickly capture, view, upload and transfer large image files
  • Ideal for demanding photo shoots under severe weather conditions—heat, cold, wind, rain, snow, etc.
  • Built to perform in the most extreme environments and temperatures—from -13 to 185 degrees F
  • Min 20MB/second sequential read and write
  • Durable, reliable and thoroughly tested—temperature tested (heat and cold); shock and vibration tested
  • Data recovery software—ensures your photos will always be there (even if you delete them accidentally)
  • Dedicated, priority technical support hotline for direct customers of SanDisk Extreme products
  • Included travel case keeps your memory cards organized
  • Lifetime limited warranty


Product Information

Product Dimensions 6.8 x 4.5 x 1.2 inches
Item Weight 4 ounces
Shipping Weight 8 ounces
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
ASIN B000FKKWVM
Item model number SDSDX3-2048-901
Customer Reviews
4.3 out of 5 stars 289 customer reviews

4.3 out of 5 stars
Best Sellers Rank #1,216 in Electronics > Accessories & Supplies > Camera & Photo Accessories > Digital Camera Accessories > Memory Cards > SD & SDHC Cards
Date first available at Amazon.com October 2, 2001

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
With my equipment, this 'Extreme' card is faster than an 'Ultra' only in a few situations. Usually, the two cards perform identically, and you can buy three Ultra's for the price of two 'Extremes'.

The 'Extreme' captured 29 RAW images in 30 seconds, while an Ultra captured only 23 (the camera supposedly can capture 3 frames/second). Using the computer's USB 2.0 card reader, the Extreme uploaded just a tad slower than the Ultra (1.2 seconds/frame, vs. 1.15 seconds/frame). When capturing JPG's, the two cards were about equal (85 vs. 86 frames in 30 seconds) with the Ultra a tad faster... a negligible difference.

If the camera could capture 5 frames/second instead of 3, or the card reader were faster, the 'Extreme' card might have been faster than the 'Ultra'; but this is the equipment I have.

So, if you know your equipment can take advantage of the extra speed and you'd rather have the slight speed advantage than have three cards ($29/each) for the price of two ($43/each), consider the 'Extreme'. Otherwise, I'd recommend using the 'Ultra'.
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Verified Purchase
Most Digital SLR's including those below 1000.00 dollars have an integrated buffer system that allows for minimum 3 shots per second. Because of this, the photos are not directly being written to the card immediately and this type of card is not needed. If you are shooting in burst mode - (As many shots continuously), then this card makes sense. Think of it as pouring water into a pitcher that has a hole in the bottom. if you fill the water faster than the water leaving the pitcher, you will need this card. It allow's the buffer memory to transfer more quickly to the card.

If you have a digital SLR and taking a shot every minute or so, you don't need this card. Go for an inexpensive SD card with more memory. It would be fine.

I would also recommend the Extreme card to someone who has a point and shoot camera since there is next to no buffer memory that transfer's the photo data to the card and the camera is more dependent on the write speed of the card.
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Verified Purchase
i'll cut to the chase. the sandisk extreme is comparable to the lexar professional series. both are recommended for professional sports shooters and maybe wedding photographers. for everyone else, it might be better to be ultra than extreme. i'll explain: unless your camera shoots at 5 fps or faster you don't need this -- the next-speediest sandisk card, the ultra II, is plenty fast for any dslr 3 fps or slower. the only place the extreme makes a real-world difference is in burst speed, which will vary depending on the size of your camera's buffer and, of course, your camera itself. oh, and the downloading speed from camera to computer via usb might be a bit quicker with this. other than that, it's a high-quality memory card from a reputable company. used to be more expensive but prices are falling fast, so for the price it's not a bad deal (although it wouldn't hurt to search other sites for deals).
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Verified Purchase
If you are buying a several hundred dollar camera, then at least have the sense to take advantage of it by buying a FAST memory card. I didn't expect much from this card, or for there to be a noticable difference. Well, was I shocked from my recent vacation when I was shooting photos left and right, and the people in my group were waiting 2-3 seconds before the could take another photo. Not only does it allow your camera to shoot faster, but it lowers your blood pressure as well, because you didn't miss the shot. I can never go back to using a regular speed card. The card worked as advertised. I love it.
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Someone else said it well in a previous review: this might be more than you need. Unless you are a sports photographer or normally shoot tons of photos in continuous mode, the 2 GB Extreme III actually has more speed than you need. The 2 GB Ultra II card SanDisk SDSDH-2048-901 2 GB Ultra II Secure Digital Memory Card (Retail Package) has plenty of speed for most photographers (about 98% of the shooters out there). I own both, and they both work well.

That said, the 2 GB Extreme III is extremely fast in my D40; 20-25 large/normal JPEG shots in continuous mode write to this card almost instantaneously, with perhaps a 0.5 second lag at the end. RAW or RAW + JPEG continuous shots would write a tad slower, but still amazing. Read/transfer speeds are similarly swift.

SanDisk memory cards are very reliable, and well-priced. You can't go wrong with this product, you might just want to order the Ultra II to save a few bucks. You could also make due with the 1GB Ultra II card SanDisk SDSDH-1024-901 1 GB Ultra II Secure Digital Memory Card (Retail Package) if you are a casual shooter with a 4-6 megapixel camera. Whatever you get, make sure you have at least two of them, so you won't run out of memory and have a back-up in case of failure.

Almost forgot to mention: the Extreme III card retail package comes with the latest version of Sandisk's "RescuePRO File Recovery Utility" (v3.2) on a mini CD, plus a small memory card carrying pouch. Nice extras, included in the price.

[UPDATE 8/26/07: Just checked the prices on both cards. With a one-dollar 34-cents difference, you might as well get the Extreme III. Right now Amazon has the best price out there...]
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