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SanDisk 4 GB Extreme IV CompactFlash Memory Card image
 
(based on 26 ratings)
Brand: SanDisk
Located in: CompactFlash
Extreme IV is the new industry leader in the best-in-class solution for high profile professional photographers. As the elite flash memory cards available on the market, Extreme IV has extremely fast read/write speeds. This line provides the durability, high-speed, and quality demands for serious photography. SanDisk?s award-winning technology solidifies the strength of the Extreme IV family of high-performance flash cards.

Advanced Features:

  • Designed to meet the critical speed and performance needs of serious professional photographers.
  • Significantly improved workflow efficiency for capturing, viewing, upload and transferring 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 F to 185 F (-25 C to 85 C)
  • Up to 40MB/sec* sequential read and write (leveraging the new Extreme FireWire Reader) (* Based on SanDisk internal testing)
  • 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
  • UDMA Card
UDMA

UDMA - what's it all about?
UDMA stands for Ultra Direct Memory Access - has become the new watchword for high performance in compact flash memory cards. Several newly launched DSLR cameras support the UDMA protocol and UDMA memory cards rated at 266x, 300x and higher are now on sale. UDMA memory cards rated at 40 MB/s (266x), 45 MB/s (300x) and higher are now on sale from SanDisk.

What is this exciting new UDMA technology?
DMA is a process by which data can be moved from a storage device very efficiently, without labouring the host device's processor. Ultra DMA is a set of definitions for faster and faster theoretical transfer rates ranging from Mode 0 (16.7 megabytes per second or MB/s) to Mode 5 (100 MB/s).

Review Snapshot®
Avg. Customer Rating:
 
4.7 stars
(based on 26 reviews)
100% of respondents would recommend this to a friend.

Customers most agreed on the following attributes:

Pros:
Excellent interface(9), Fast(5), Lightweight(13), Reliable(22), Strong construction(12)
Best Uses:
Digital capture(8), Digital photography(24), Image storage(11), Image transportation(11)
Describe Yourself:
Enthusiast(12), Photo enthusiast(7), Professional(4)
 
Great so far
By ArashiVerified Purchaser from Tampa, FL on 5/21/2009
Pros:
Easy To Use, Great Value, Large Capacity, Reliable Performance, Writes/Reads fast
Best Uses:
Portable images/multimedia, Storing images/multimedia
Describe Yourself:
Hobbyist/Enthusiast
Primary use:
Personal
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

I purchased the card for my newly acquired Canon EOS 50D. It's extremely fast when it comes to reading as well as transferring the files to my laptop(It's 4+ year old PC). I can only imagine what it'd be like on a more powerful computer.

[3 of 3 customers found this review helpful]

 
Newest cards are great
By fralexisVerified Purchaser from Atlanta, GA on 2/4/2009
Pros:
Fast, Lightweight, Reliable
Best Uses:
Digital Capture, Digital Photography, Image Storage, Image Transportation
Describe Yourself:
Photo Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

These cards simply eleimnate the need to carry many smaller cards. A few of these (expensive but fabulous) cards can hold vacations, weddings, corporate venues or any large event. They say these cards will last for many years and with the larger capacities that would be a tremendous help.

 
HAVE ALWAYS HAD GREAT RESULTS.
By SONNYCLAUSVerified Purchaser from COOKEVILLE, TENNESSEE on 11/19/2008
Pros:
Convenient Interface, Lightweight, Reliable, Strong Construction
Best Uses:
Digital Photography, Image Storage
Describe Yourself:
Photo Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

THIS PRODUCT IS USED FOR ACTION SHOTS. THEY ALWAYS TURN OUT GREAT!

[0 of 1 customers found this review helpful]

 
Excellent Deal for a new 50D
By Cell0518Verified Purchaser from Virginia Beach, VA on 11/17/2008
Pros:
Fast, Large Capacity
Cons:
Not UDMA
Best Uses:
Digital Capture, Digital Photography, Image Transportation
Describe Yourself:
Casual Photographer
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

Useful for large MP cameras, such as 50D.

 
Speed counts
By c dantonVerified Purchaser from Tempe AZ on 11/11/2008
Pros:
Fast
Best Uses:
Digital Photography, Image Transportation
Describe Yourself:
Pro Photographer
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

When I need to dowload pictures, speed is an issue.
There is a noticeable difference in transfer time with the IV card!

 
never run out of storage
By Rick HeroVerified Purchaser from Minneapolis on 11/3/2008
Pros:
Lightweight, Reliable
Best Uses:
Digital Capture, Digital Photography, Image Storage, Image Transportation
Describe Yourself:
Photo Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

It stores so many images even in RAW, I only ned ths one so far.

 
I would buy this product again and again
By KatheyVerified Purchaser from Miami, Florida on 10/23/2008
Pros:
Reliable
Best Uses:
Digital Photography
Describe Yourself:
Photo Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

It is everything they said it would be......

 
It's not faster on downloads
By Photo TimVerified Purchaser from Frisco, Texas on 10/21/2008
Pros:
Convenient Interface, Lightweight, Reliable, Strong Construction
Best Uses:
Digital Photography
Describe Yourself:
Photo Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

Didn't get the rebate as advertised. Flash is about the same as the III.

[2 of 2 customers found this review helpful]

 
Extreme IV CF memory card is AMAZING!
By Arabian PhotographerVerified Purchaser from Sunny Arizona on 10/17/2008
Best Uses:
Digital Photography
Describe Yourself:
Photo Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

I shoot horse photos so speed counts. The Extreme IV CF memory card is faster, decreasing the time between photos. The number of photos my Nikon D 70 digital SLR can take in continous shutter mode is increased. This card can make the difference between catching the action or the expression and getting a good photo or having another near miss.

 
I was amazed at the storage capabilities
By StefVerified Reviewer from Sacramento, CA on 9/11/2008
Pros:
Convenient Interface, Lightweight, Reliable, Strong Construction
Best Uses:
Digital Photography, Image Storage, Image Transportation
Describe Yourself:
Photo Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

I purchased this for a trip to Monterey and Carmel. Worry free shooting for 3 days without making a dent in the storage space.

Images shared by: Stef

B&W Iron Gate

Image Thumbnail

Tags: Using Product

[1 of 1 customers found this review helpful]

 
Awesome product!!! A+!
By AlliebobbaVerified Purchaser from Texas on 9/11/2008
Pros:
Convenient Interface, Lightweight, Reliable, Strong Construction
Best Uses:
Digital Photography, Image Storage
Describe Yourself:
Casual Photographer
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

Love this product. I have a Nikon D300 and it does great with this camera!

[2 of 2 customers found this review helpful]

 
The only card I need!
By janpilotVerified Purchaser from Goose Creek, SC on 8/29/2008
Pros:
Convenient Interface, Large amount of storage, Lightweight, Reliable, Strong Construction
Best Uses:
Digital Photography, Image Storage, Image Transportation
Describe Yourself:
Hobbyist/Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

I bought this card for a trip to Denali National Park, AK. I shoot with a Canon Rebel xTI and captured >600 pictures @ 10.2 mp without even coming close to filling up the memory. This of course means hauling less stuff around!

 
Great product
By JimVerified Purchaser from NY on 8/27/2008
Pros:
Fast Write Times, Reliable
Best Uses:
Digital Photography
Describe Yourself:
Hobbyist/Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

Very fast combo with the D700

 
Go Big or Go Home
By ONWINGSVerified Purchaser from Glenview, Illinois on 8/25/2008
Pros:
Reliable
Best Uses:
Digital Capture, Digital Photography, Image Storage, Image Transportation
Describe Yourself:
Hobbyist/Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

I won't use second best. That's why I use Sandisk. It's the best on the market.

 
SuperSonicSpeed
By BlueBikeGirlVerified Purchaser from Rosemary Beach, FL on 8/25/2008
Pros:
Lightweight, Reliable, Strong Construction
Best Uses:
Digital Photography
Describe Yourself:
Hobbyist/Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

I wouldn't consider any other card for my Canon Rebel XT.

 
4 GB Extreme IV CompactFlash Memory Card
By Jerry - Master PhotographyVerified Purchaser from Guernsey, WY on 8/20/2008
Pros:
Convenient Interface, Lightweight, Reliable, Strong Construction
Best Uses:
Digital Capture, Digital Photography, Image Storage, Image Transportation
Describe Yourself:
Professional
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

Very easy to use and transport.... Thanks

[1 of 1 customers found this review helpful]

 
Can't outshoot it!
By Moose the camera guy.Verified Purchaser from Toronto, Canada on 8/19/2008
Best Uses:
Digital Photography
Describe Yourself:
Hobbyist/Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

For sports that have timed efforts, this can't be beat! I haven't been able to out-shoot it at football, baseball or hockey!

[1 of 1 customers found this review helpful]

 
works with d300 at 8fps raw 22pix
By R.A.DavisVerified Purchaser from Bend,OR on 8/14/2008
Pros:
Great value wrebate, Lightweight, Reliable, Strong Construction
Cons:
Will not get rebate
Best Uses:
Digital Photography
Describe Yourself:
Professional
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

sandisk suport grate.but puc # on cards will not mach rebate from sandisk.walk in to ritz store and mach puc # up if you want money back.at full price still a good price for the speed.

Images shared by: R.A.Davis

go slow and get the shot

Image Thumbnail

Tags: Made with Product

 
I would buy this product again and again
By SumiceVerified Purchaser from Houston on 8/14/2008
Pros:
Fast, Reliable, Strong Construction
Cons:
none
Best Uses:
Digital Photography, Image Storage, Image Transportation
Describe Yourself:
Hobbyist/Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

I would buy this product again and again

[1 of 1 customers found this review helpful]

 
I works great, but you may not need it
By John CVerified Purchaser from Colorado Springs on 8/14/2008
Pros:
Convenient Interface, Lightweight, Reliable
Best Uses:
Digital Photography, Image Transportation
Describe Yourself:
Hobbyist/Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

The high speed interface is supported by the Nikon D300. The high speed though is not needed unless you shoot a lot of photos in the continues mode. I normally shoot at most 6 photos in a row than have nothing else to some time. The cheaper Extreme III is sufficient for my needs, with the buffer built into the Nikon D300.

 
Good product would buy again
By centmnguyVerified Purchaser from clear lake, mn on 8/12/2008
Pros:
Convenient Interface, Lightweight, Reliable, Strong Construction
Best Uses:
Digital Photography
Describe Yourself:
Hobbyist/Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

Reliable image storage.

 
Fast - works great, no errors
By JimVerified Purchaser from Charlotte NC on 8/12/2008
Pros:
Fast Write Times, Reliable
Cons:
none
Best Uses:
Digital Photography
Describe Yourself:
Hobbyist/Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

the card is great - fast with no errors

 
fast and reliable
By RDVerified Purchaser from Auburn, WA on 8/10/2008
Pros:
Reliable
Best Uses:
Digital Capture
Describe Yourself:
Professional
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

A very good CF card. No problems to report.

 
4 GB Extreme IV CompactFlash Memory Card
By Mr. SVerified Purchaser from Akron, Ohio on 8/9/2008
Pros:
Reliable
Best Uses:
Digital Photography, Image Storage
Describe Yourself:
Hobbyist/Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

Captures images quickly when taking pics.
Transfer rate to computer is much faster

 
perfect, it doesn't get any better
By djVerified Purchaser from dallas, tx on 8/5/2008
Pros:
Convenient Interface, Lightweight, Reliable, Strong Construction
Best Uses:
Digital Capture, Digital Photography, Image Storage, Image Transportation
Describe Yourself:
Hobbyist/Enthusiast
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

these products have never failed, or let me down.

[5 of 6 customers found this review helpful]

 
Keeps up with my Canon at 6.5fps
By JDVerified Reviewer from Irwin , PA on 3/21/2008
Pros:
Really fast, Reliable, Strong Construction
Cons:
none
Best Uses:
Digital Capture, Digital Photography
Describe Yourself:
Professional
Bottom Line:
Yes, I would recommend this to a friend

Comments about SanDisk SanDisk 4 GB Extreme IV CompactFlash Memory Card:

Needed something to keep up with my camera. This card is more then enough.

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