Unverified92% confidenceTradeoffTime unknown
USB 3.2 Gen2接口理论带宽10Gbps,实际顺序读写速度上限约1000MB/s左右,无法完全发挥高端NVMe SSD的性能,对追求极致速度的用户存在瓶颈
1
Sources
92%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified追求极致传输速度的用户不适合,受限于USB 3.2 Gen2带宽,顺序读写上限约1050MB/s,远低于雷电接口NVMe方案的2000MB/s+89% similarUnverified外接NVMe固态硬盘盒且追求2000MB/s以上读写时,需USB3.2 Gen2×2(20Gbps)或USB4(40Gbps)线,仅有10Gbps线会成为速度瓶颈88% similarUnverifiedUSB 3.2接口读写速度受限于USB通道,实测顺序读写通常在350-400MB/s级别,远低于NVMe外置SSD的速度,追求极致传输速度的用户不适合87% similarUnverified外接协议决定速度上限:USB 3.2 Gen2(10Gbps)实际读写约1000MB/s,USB 3.2 Gen2x2(20Gbps)约2000MB/s,雷电3/4(40Gbps)可达2800MB/s+,但需主机接口匹配,否则协议自动降速86% similarUnverified接口协议决定实际速度:USB 3.2 Gen1(=USB3.0)理论5Gbps约500MB/s,Gen2达10Gbps约1000MB/s,Gen2x2达20Gbps;买了PCIe SSD却只配Gen1接口是性能浪费,选购时接口协议要匹配盘体速度86% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/808616API
curl https://kongchang.com/api/v1/knowledge/claims/808616MCP
get_claim(id=808616)