HP 4GB SDHC Secure Digital High Capacity Card (Class 4)

Want loads of high-capacity storage—up to 4GB—in a portable card as small as a postage stamp? Need the speed and reliability you need to meet—and exceed—the compatibility and performance demands of the latest SD digital devices? Use our new Photosmart 4GB Hi-Speed SDHC Memory Card in your digital camera, PDA, digital music player, cell phone, smart phone, handheld PC, digital video camcorder, digital projector, printer, notebook or desktop PC, or digital TV (for removable, expandable storage). Specifications: Compatibility Secure Digital slots Capacity L1878A: 4GB Read speed Up to 20 MB per second. Transfer rate complies with the SD Association Class 4 specification, but it might vary depending on host service. Write speed Up to 12 MB per second. Transfer rate complies with the SD Association Class 4 specification, but it might vary depending on host service. Operating voltage 2.7 to 3.6 volts Interface mode SD/SPI mode Operating temperature -25 to 85 degrees C (-4 to 185 degrees F) Storage temperature 0 to 85 degrees C (0 to 185 degrees F) Variable clock rate 0 to 50 MHz Dimension(H*W*D) 32mm*24mm*2.1mm(1.26in*0.94in*0.08in)