Categories
Flash SD

Modern 32 GB SDHC UHS-1 cards I/O speed test

Some new SD cards speed test

TDK 32 GB SDHC UHS-I Class10 t78717
Transcend Premium 32 GB SDHC UHS-I Class10 TS32GSDU1
SanDisk Extreme SDHC UHS-I Class10 SDSDX-032G-X46

TDK 32GB SDHC TRANSCEND 32 SDHC SANDISK 32GB SDHC
Sequential Read (MB/s) 52.090 88.012 46.786
Sequential Write (MB/s) 14.136 38.338 42.927
Random Read 512KB (MB/s) 44.635 69.408 40.880
Random Write 512KB (MB/s) 0.659 13.426 29.822
Random Read 4KB (QD=1) (MB/s) 2.818 2.540 3.031
Random Write 4KB (QD=1) (MB/s) 1.077 0.509 1.600
Random Read 4KB (QD=32) (MB/s) 2.825 2.736 2.877
Random Write 4KB (QD=32) (MB/s) 0.852 0.423 1.529
Categories
Devices Flash

SanDisk Extreme USB 3.0 (SDCZ80-032G)

Fastest flash yet. SanDisk Extreme:

2013-09-26_115431

USB 3.0
2014-11-20_181646

USB 2.0
Sandisk_Extreme_USB2-exFAT

Categories
Devices Flash

Transcend JetFlash 600 Ultra Speed USB 2.0 16 GB

2013-09-25_195021

2013-09-25_195143

Transcend_JetFlash600_FAT32_test1

Categories
Devices Flash

Sandisk Ultra USB 3.0 32GB (SDCZ48-032-U46)

SDCZ49-032G

Speed in USB 2.0 port

SDCZ49-032G-USB2-SPEED

Speed in USB 3.0 port

SDCZ49-032G-USB3-SPEED

Categories
Devices Flash SD

Sandisk Ultra MicroSDHC 16GB

Sandisk-MicroSD-16GB-UHS1-U30

MicroSD_Sandisk_UHS1_16GB_USB3_UHS1_Sandisk_cardreader
cardreader SanDisk ImageMate All-In-One SDDR-289

Read/Write spead with usual cardreader added to old post

Categories
Devices Flash

Sandisk Cruzer USB 2.0 vs SanDisk Extreme USB 3.0

To get understanding of why cheap USB Flash are cheap and some expensive are expensive. Let’s compare two 32GB flash drives from SanDisk. Cheap one is SanDisk Cruzer 32GB SDCZ36-032G. Expensive one is SanDisk Extreme USB 3.0 SDCZ80-032G.

Sequential Read (MB/s) 16,452 91,141
Sequential Write (MB/s) 3,828 76,589
Random Read 512KB (MB/s) 16,371 83,097
Random Write 512KB (MB/s) 0,548 6,252
Random Read 4KB (QD=1) (MB/s) 2,788 10,368
Random Write 4KB (QD=1) (MB/s) 1,795 9,994
Random Read 4KB (QD=32) (MB/s) 2,693 9,12
Random Write 4KB (QD=32) (MB/s) 0,22 2,936
Price (approx.) 20$ 40$

 

Speed test done with CrystalDiskMark 3.0.1