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Kingmax Waterproof SDHC 8GB & Verbatim HD Video SDHC 4GB
29.04.2009.
    « Prev  : Stranica 1 od 2 :  Next »      By ::  Krešimir Matanović 
- Par riječi o SD-u i opisi kartica -
Par riječi o SD-u...

Secure Digital format memorijskih kartica je razvijen od strane Matsushite, SanDiska i Toshibe primarno za upotrebu u prijenosnim uređajima. Riječ je o neizbrisivoj memoriji u obliku NAND flash čipova razvijenoj iz MMC (MultiMediaCard) kartica. SD(HC) kartice su u zadnjih nekoliko godina postale iznimno popularne i danas se koriste u većini digitalnih fotoaparata i kamera, mobilnih telefona, handheld uređaja, MP3 ili MP4 playera, GPS-a itd, dok se čitači za te kartice nalaze na većini prijenosnika, na nekim kućnim kinima i čak televizorima. SD kartice se dijele u tri segmenta, Standard SD kartice imaju kapacitet od 4 MB pa do 4 GB, SDHC (high-capacity) od 4 GB pa do 32 GB te novo najavljeni SDXC (eXtended Capacity) standard kojem će kapacitet varirati od 32GB pa do 2TB.

Kingmax Waterproof SDHC 8GB

Sve kartice na tržištu dolaze u manje-više jednakim pakiranjima pa tako ni Kingmax nije izuzetak. Na kutiji se nalaze sve relevantne informacije o proizvodu, a ono što ovaj model razlikuje od drugih je činjenica da se može koristiti i u otežanim atmosferskim uvjetima. Kućište je posebno napravljeno kako bi bilo vodootporno, otporno na prašinu ali i otporno na udarce. Korištena PIP tehnologija ima IPX7 certifikat (ekvivalentan JIS Waterproof gradaciji 7) od strane SGS-a.

 

Sama kartica se naravno fizički ne razlikuje od ostalih, a dimenzije su joj 32x24x2.1 mm (DxŠxV). Masa je 2 grama a Kingmax ove kartice proizvodi u kapacitetima od 2GB, 4GB, 8GB i 16GB. Napravljena je po SD 2.0 standardu a radni napon varira između 2.7 i 3.6V. Uređaj podatke zadržava do 10 godina, uz izdržljivost od 5.000 ciklusa.

Radna temperatura ovih modela se kreće između -25°C i +85°C, za otkrivanje i korekciju grešaka prilikom transfera je zaslućan Error Correcting Code (ECC), a proizvod podliježe RoHS, Halogen Free i PFOS / PFOA standardima uz CE, FCC i BSMI certifikate. Kao i većina SD kartica tako i ova ima fizičku zaštitu protiv zapisa podataka u obliku malenog klizača na lijevom boku. Garancija na proizvod je doživotna.

Verbatim HD Video SDHC 4GB

Verbatimovo pakiranje se vrlo malo razlikuje od Kingmaxovog, a jedina bitnija razlika je što sama kartica dolazi dodatno zaštićena u plastičnu kutijicu. Verbatim ovaj model klasificira pod HD Video jer je prilagođen upotrebi u kamkorderima koji imaju mogućnost snimanja u visokim rezolucijama. Stoga ćete osim nazivnog kapaciteta od 4GB primjetiti i kako je kapacitet izražen i u minutama - u ovom slučaju stane oko 90 minuta video matreijala (6Mbps).

Sama kartica se naravno fizički ne razlikuje od ikoje druge SD 2.0 kartice, a osim ovog modela Verbatim u ponudi ima i 8GB, odnosno 180 minutnu verziju. Kartica spada u klasu 6 a proizvođač navodi brzine transfera od 9MB/sec (66x) za zapis i 20MB/s (133x) za čitanje. Garancija je dvije godine.



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