CoolMaster CM.RX-3 USB2.0+ESATA外接盒

採用JM20336晶片

From CoolMaster CM.RX-3 USB2.0+ESATA外接盒

不錯!1000元有找 有含esata外接檔板(low-profile每次都不會被照顧到Q_Q)

無螺絲彈簧擠壓機構設計
不過主體骨架塑膠感有點重
但是上下蓋卻是金屬的


測試的硬碟ST31000520AS  直接上SATA是
diskinfo -t /dev/ad2
/dev/ad2
        512             # sectorsize
        1000203804160   # mediasize in bytes (932G)
        1953523055      # mediasize in sectors
        1938018         # Cylinders according to firmware.
        16              # Heads according to firmware.
        63              # Sectors according to firmware.
        9VX0Q9CC        # Disk ident.

Seek times:
        Full stroke:      250 iter in   6.172981 sec =   24.692 msec
        Half stroke:      250 iter in   4.082373 sec =   16.329 msec
        Quarter stroke:   500 iter in   6.821230 sec =   13.642 msec
        Short forward:    400 iter in   2.240851 sec =    5.602 msec
        Short backward:   400 iter in   2.642328 sec =    6.606 msec
        Seq outer:       2048 iter in   0.112165 sec =    0.055 msec
        Seq inner:       2048 iter in   0.133416 sec =    0.065 msec
Transfer rates:
        outside:       102400 kbytes in   0.892802 sec =   114695 kbytes/sec
        middle:        102400 kbytes in   1.054090 sec =    97145 kbytes/sec
        inside:        102400 kbytes in   1.760388 sec =    58169 kbytes/sec

透過這個外接盒上esata的話
diskinfo -t /dev/ad1
/dev/ad1
        512             # sectorsize
        1000204886016   # mediasize in bytes (932G)
        1953525168      # mediasize in sectors
        1938021         # Cylinders according to firmware.
        16              # Heads according to firmware.
        63              # Sectors according to firmware.
        9VX0Q23A        # Disk ident.

Seek times:
        Full stroke:      250 iter in   6.001677 sec =   24.007 msec
        Half stroke:      250 iter in   4.143797 sec =   16.575 msec
        Quarter stroke:   500 iter in   6.747063 sec =   13.494 msec
        Short forward:    400 iter in   3.124060 sec =    7.810 msec
        Short backward:   400 iter in   2.854722 sec =    7.137 msec
        Seq outer:       2048 iter in   0.160011 sec =    0.078 msec
        Seq inner:       2048 iter in   0.167936 sec =    0.082 msec
Transfer rates:
        outside:       102400 kbytes in   0.909478 sec =   112592 kbytes/sec
        middle:        102400 kbytes in   1.029698 sec =    99447 kbytes/sec
        inside:        102400 kbytes in   1.755986 sec =    58315 kbytes/sec