Idlier's Tech Craze

  Comparison of SD card bus speeds [ 109 ] Bus interface Bus logo Bus speed PCI Express   lanes Duplex Card types Spec version SD SDHC SDXC SDUC Default Speed — 12.5 MB/s — ? Yes Yes Yes Yes 1.01 High Speed 25 MB/s 1.10 UHS-I 50 MB/s Half / Full No 3.01 104 MB/s Half — 180 MB/s [ e ] — UHS-II 156 MB/s Full 4.00 312 MB/s Half UHS-III 312 MB/s Full 6.0 624 MB/s SD Express 985 MB/s 3.1 ×1 7.0 1,969 MB/s 3.1 ×2 8.0 4.0 ×1 3,938 MB/s 4.0 ×2 Comparison of SD card Speed Class ratings [ 114 ] Minimum sequential writing speed Suggested max. bitrate Speed Class Video format [ f ] Speed Class UHS Speed Class Video Speed Class SD HD  /  Full HD 4K 8K 2  MB/s 15 Mbit/s   Class 2 (C2) — — Yes No No No 4 MB/s 30 Mbit/s   Class 4 (C4) Yes 6 MB/s 45 Mbit/s   Class 6 (C6)   Class 6 (V6) Yes 10 MB/s 75 Mbit/s   Class 10 (C10)   Class 1 (U1)   Class 10 (V10) 30 MB/s 220 Mbit/s   Class 3 (U3)   Class 30 (V30) Yes 60 MB/s 460 Mbi...