Kingston 4GB Secure Digital High Capacity SDHC Card - SD4/4GB

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5 out of 5
Total Reviews
Overall Satisfaction
Ease of Use

The price was right. The free delivery was fast. And it works like a charm in our TomTom GPS. I'd order again.

-Daniel quote

The memory worked fine and was recognized for use with Readyboost for Windows Vista. I allocated all 4gb for Readyboost. Unfortunately, in using it for Readyboost, the system seemed to slow down rather than speed up. I dont know if it is because of the memory or because of Vista. Either way, its now sitting un-used on top of my computer.

-Ogg quote

good product for the price

on 8/31/2008

I bought it for my upcoming vacation trip and was not disappointed. It performed very well

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Works as expected, no worries.

by Kent on 9/23/2008

Works totally as expected. Price was good, and is better now since it dropped on two weeks after I got it! Such is the world of tech stuff!

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Product Overview

Starting at 4GB, SDHC cards offer larger-volume data storage and optimized recording performance with support for FAT 32 file formats. In addition, Kingston’s SDHC cards use new speed "class" ratings known as Class 2, 4 and 6 that deliver a minimum data transfer rate for optimum performance with SDHC devices.

Although identical in size to todays standard SD card, the new SDHC cards are designed differently and are only recognized by SDHC host devices. To ensure compatibility, look for the SDHC logo on cards and host devices (cameras, camcorders, etc.).

For added reliability and durability, our solid-state SDHC memory cards are built of nonvolatile memory components and have no moving parts that could wear out or break. All cards are 100-percent tested and are backed by a lifetime warranty and free live technical support.


Manufacturer Kingston
Mfg Part# SD4/4GB
SKU 204035107
UPC 740617111286
UPC 14 00740617111286
Product Guide Click Here for the Kingston Store
Capacity — 4GB
Compliant — with the SD Card Association card 2.00 specification
Secure — built-in write-protect switch prevents accidental data loss
Compatible — with SDHC host devices; not compatible with standard SD-enabled devices/readers
File Format — FAT 32
Reliable — lifetime warranty
Simple — as easy as plug-and-play
Tech Specs
Dimensions — 0.94" x 1.26" x 0.08" (24mm X 32mm X 2.1mm)
Weight — 0.09 ozs (2.5 g)
Operating Temperature — -13º F to 185º F (-25º C to 85 º C)
Storage Temperature — -40º F to 185º F (-40º C to 85º C)
Voltage — 3.3v
High-Speed Class Rating — Class 2: 2 MB/sec minimum data transfer rate; Class 4: 4 MB/sec minimum data transfer rate; Class 6: 6 MB/sec minimum data transfer rate
$8.36 + $8.95 shipping
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