Datasheet
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USB 3.0 Express RAM Cache
 The USB 3.0 Express RAM Cache is a slim, high performance ash drive with an on-board caching 
system for improved performance. 
USB 3.0
16GB - 64GB
MLC
87.5 x 25 x 8.0 mm
130 MB/s
60 MB/s
Windows XP, Vista, Window 7 (32/64-bit)
1,000,000 hours
10 years
Built-in EDC/ECC
XTS mode
0°C to +50°C
5 years
Features:
• USB 3.0 Performance 
• Fully Backward Compatible 
 with USB 2.0
• 32MB on-board Cache
• Accelerated Writes and Small 
 block performance
• Available in 32GB & 64GB 
P h y s i c a l S p e c i f i c a t i o n
E n v i r o n m e n t a l S p e c i f i c a t i o n
R e l i a b i l i t y S p e c i f i c a t i o n
Device
Interface
Capacity
NAND Flash
Dimensions
Seq. Read*
Seq. Write*
OS Support
MTBF
Data Retention
Data Reliability
Operting Temperature
Warranty
Part Numbers
USB 3.0 Express RAMCache
P e r f o r m a n c e S p e c i f i c a t i o n
USB 3.0 Flash Drives
USB 3.0 Express Drive
 The USB 3.0 Express RAM Cache is a slim, high performance ash drive with an on-board 
caching system for improved performance. 
Features:
• High Performance USB 3.0
• Fully Backward Compatible 
 with USB 2.0
• Available in 16GB & 32GB 
P h y s i c a l S p e c i f i c a t i o n
E n v i r o n m e n t a l S p e c i f i c a t i o n
R e l i a b i l i t y S p e c i f i c a t i o n
Device
Interface
Capacity
NAND Flash
Dimensions
Seq. Read*
Seq. Write*
MTBF
Data Retention
Data Reliability
Operting Temperature
Warranty
Part Numbers
USB 3.0 Express Drive
USB 3.0
32GB
MLC
67 x 27 x 7.5 mm
125 MB/s
42 MB/s
1,000,000 hours
10 years
Built-in EDC/ECC
0°C to +50°C
5 years
ST3U16EDK
ST3U32EDK
ST3U32ERS
ST3U64ERS
“The Express Drive USB 3.0 certainly
delivers blazing fast speeds for those
who demand the performance now.”
P e r f o r m a n c e S p e c i f i c a t i o n










