Raspberry Pi 2 Model B MicroSDHC Testing Results
Manufacturer: SanDisk
Model: SDSDQUIP-016G-A46
Class: 10
Size: 16GB (raw), 14.8GB (formatted)
NOOBS Copy Time (to SD card): 0 minute 56 seconds
Where Purchased: Amazon
Whose Hardware Is It Anyway:
man:0x000003 oem:0x5344 name:SL16G hwrev:0x8 fwrev:0x0
Write speed:
pi@raspberrypi ~ $ sync; time dd if=/dev/zero of=~/test.tmp bs=500K count=1024; time sync
1024+0 records in
1024+0 records out
524288000 bytes (524 MB) copied, 29.2549 s, 17.9 MB/s
Read speed:
pi@raspberrypi ~ $ dd if=~/test.tmp of=/dev/null bs=500K count=1024
1024+0 records in
1024+0 records out
524288000 bytes (524 MB) copied, 1.09951 s, 477 MB/s
hdparm speed:
pi@raspberrypi ~ $ sudo hdparm -tT /dev/mmcblk0p6
/dev/mmcblk0p6:
Timing cached reads: 802 MB in 2.00 seconds = 400.88 MB/sec
Timing buffered disk reads: 56 MB in 3.11 seconds = 18.01 MB/sec
Notes:
Formatted cards with SD Formatter for Windows v4.0
NOOBS copied to card with Windows 7 x64
Raspbian OS from NOOBS v1.4.0 & 512MB Data Partition
Kernel (uname -a): Linux raspberrypi 3.18.7-v7+ #755 SMP PREEMPT Thu Feb 12 17:20:48 GMT 2015 armv7l GNU/Linux