USB 2.0
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最大速度
0.48 Gbps
最大分辨率
—
供电功率
5W
发布时间
2000
第一个广泛采用的USB标准,支持480 Mbps吞吐量。仍用于键盘、鼠标和基础外设。
Bandwidth
480 Mbps
供电功率
5W
性能
数据
✓
视频
✗
音频
✗
功率
✓
Ethernet
✗
未来兼容分析
对低带宽外设足够,但对存储或显示器太慢。在廉价配件上还会持续多年。
兼容接口
线缆
USB-A to Lightning
USB Type-A ↔ Lightning
USB-A to Micro-B (USB 2.0)
USB Type-A ↔ USB Micro-B
USB-A to Mini-B
USB Type-A ↔ USB Mini-B
USB-A to USB-B (USB 2.0)
USB Type-A ↔ USB Type-B
USB-A to USB-C (USB 2.0)
USB Type-A ↔ USB Type-C
USB-C to Apple 30-pin
USB Type-C ↔ Apple 30-pin
USB-C to Lightning
USB Type-C ↔ Lightning
USB-C to USB-C (USB 2.0, Charging)
USB Type-C ↔ USB Type-C
USB-C Magnetic Breakaway Cable
USB Type-C ↔ USB Type-C
USB-C Coiled Cable
USB Type-C ↔ USB Type-A
USB-C L-Shaped Short Cable
USB Type-C ↔ USB Type-C
USB-A OTG Cable (Micro-B)
USB Micro-B ↔ USB Type-A
MIDI to USB Adapter Cable
MIDI DIN ↔ USB Type-A
Apple 30-Pin to USB-A Cable
USB Type-A ↔ Apple 30-pin
PS/2 to USB Adapter Cable
PS/2 ↔ USB Type-A
USB-A Extension Cable (USB 2.0)
USB Type-A ↔ USB Type-A
USB-C to Mini-B
USB Type-C ↔ USB Mini-B
速度测试
| 场景 | 文件大小 | 理论值 | 实际值 |
|---|---|---|---|
| 传输1GB文件 | 1.00 GB | 16.7s | 20.8s |
| Transfer a 2GB photo album | 2.00 GB | 33.3s | 41.7s |
| 传输10GB电影 | 10.00 GB | 166.7s | 208.3s |
| Transfer a 25GB game install | 25.00 GB | 416.7s | 520.8s |
| 传输50GB备份文件 | 50.00 GB | 833.3s | 1041.7s |