Raspberry Pi 2 Model B MicroSDHC Testing Results

Manufacturer: Transcend

Model: TS16GUSDU1E

Class: 10

Size: 16GB (raw), 14.8GB (formatted)

NOOBS Copy Time (to SD card): 0 minute 55 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, 31.8883 s, 16.4 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, 1.10108 s, 476 MB/s

hdparm speed:

pi@raspberrypi ~ $ sudo hdparm -tT /dev/mmcblk0p6

/dev/mmcblk0p6:
Timing cached reads: 796 MB in 2.00 seconds = 397.63 MB/sec
Timing buffered disk reads: 54 MB in 3.01 seconds = 17.96 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