When transfering files from HDD to PC, I get diferent results on a ET9000 and a DM7020HD.
When file is in ET9000 HDD, I get a 11,3 MB/s constant data rate, but if file is in 7020HD, I get a constantly variable speed, like a roller coaster.
(Transfers are made separately, I mean not at the same time)
Look at the pictures, first is from ET9000 , second is from 7020HD
. 
The internal HDDs are:
7020HD
WD Blue WDC WD5000AAKX
Product Specifications
Interface SATA 6 Gb/s
Performance Specifications
Rotational Speed 7,200 RPM (nominal)
Buffer Size 16 MB
Load/unload Cycles 300,000 minimum
Transfer Rates
Transfer Rate (Buffer To Disk) 126 MB/s (Max)
Physical Specifications
Formatted Capacity 500,107 MB
Capacity 500 GB
Form Factor 3.5 Inch
ET9000:
WD Blue WDC WD2500AAKX
Product Specifications
Interface SATA 6 Gb/s
Performance Specifications
Rotational Speed 7,200 RPM (nominal)
Buffer Size 16 MB
Load/unload Cycles 300,000 minimum
Transfer Rates
Transfer Rate (Buffer To Disk) 126 MB/s (Max)
Physical Specifications
Formatted Capacity 250,059 MB
Capacity 250 GB
Form Factor 3.5 Inch
Both STBs are connected to the same switch, which has the Desktop PC connected too.
When transfering, both STBs are standby.
Why is ET performing better than DM ?
