The San Disk Extreme Pro SDHC is a 45MB/sec secure digital card that features Ultra High Speed mode or UHS-I & is particularly suited for continuous burst mode shooting, & capturing fast action full HD & 3D video. This Extreme Pro SDHC has new Power Core Controller technology providing faster shot to shot performance & its advanced Error Correction Code (ECC) engine improves overall data integrity & reliability of the card during read & write. Ideal for your DSLR or HD camcorder, & if speed & reliability are everything look no further than this San Disk Extreme Pro SDHC UHS-I memory card.- Extreme speed: up to 45 MB/s speed means you'll get the shot you want with more continuous burst mode shooting & rapid transfers to your computer.- Extreme Full HD video speed: enabled by UHS Speed Class 1* lets you capture fast-action video in full high definition, even in 3-D- Engineered with the San Disk Power Core Controller: the San Disk Extreme Pro SDHC UHS-I card delivers blazing fast read & write performance distributing image data across the card more rapidly & efficiently.- Extreme reliability & endurance: the San Disk Extreme Pro SDHC UHS-I Power Core Controller's firmware increases endurance through wear leveling. The Power Core controller's advanced Error Correction Code (ECC) engine improves overall data integrity & reliability of the card during read & write.- Extreme durability: built for & tested in the harshest conditions these cards are temperature proof, water proof, shock proof & x-ray proof. They also come with a lifetime limited warranty.- Extreme trust: From the flash memory card brand trusted by more professional photographers 2.- Compatibility: Compatible with all SDHC & SDHC UHS-I supporting host devices- Security: Built-in write-protect switch prevents accidental data loss UHS-I: The Ultra High Speed mode is found exclusively on SDXC & SDHC products. SDXC or SDHC products with the UHS-I symbol are capable of supporting data transfer speeds up to 104 MBs. UHS-I quadruples the extant top speed of 25 MB/s. UHS bus interfaces are backwards compatible. SDXC UHS-I & SDHC UHS-I memory cards can achieve best performance when paired with a UHS-I device & are designed to allow consumers to record HD resolution videos, plus perform other simultaneous recording functions.*UHS Speed Class 1 designates performance option designed to support real-time HD video recording.