我有一台带有 USB 3.0 的 Gateway NE512,在 Windows 中我的 Kingston DTR3.0G2 32GB 的读取速度约为 50-70 MB/S,读取速度为 120-140MB。
在内核为 4.2.0-27-generic 的 Ubuntu 中,这是使用同一设备在端口 3.0 处的速度(读取:23.8MB/s 写入:76.4MB/s)
速度测试 USB 3.0 网关 NE512 图像:
lsusb 输出:
Bus 002 Device 004: ID 0951:16a2 Kingston Technology
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 0bda:57b3 Realtek Semiconductor Corp.
Bus 001 Device 005: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 006: ID 04ca:300b Lite-On Technology Corp. Atheros AR3012 Bluetooth
Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
lsusb -t 输出:
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 5000M
|__ Port 1: Dev 4, If 0, Class=Mass Storage, Driver=usb-storage, 5000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 480M
|__ Port 3: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 1: Dev 6, If 0, Class=Wireless, Driver=btusb, 12M
|__ Port 1: Dev 6, If 1, Class=Wireless, Driver=btusb, 12M
|__ Port 4: Dev 5, If 0, Class=Vendor Specific Class, Driver=rtsx_usb, 480M
|__ Port 4: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
|__ Port 4: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
有人能帮我解决这个问题吗?