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Tsanfer's Blog

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常用存储硬件标准

Tsanfer 1/21/2021 41 硬件存储设备

SSD? HDD? SATA? M.2? PCIe? AHCI? NVME? USB?

# 硬盘

# 类型

# SSD

颗粒 简称 全称 规格SLC Single-Level Cell 1 bit per cellMLC Multi-Level Cell 2 bit per cellTLC Triple-Level Cell 3 bit per cellQLC Quad-Level Cell 4 bit per cell

# HDD

RPM (Revolutions per minute)

  • 5400 RPM
  • 7200 RPM
  • 10000 RPM

# 接口

  • M.2
    • B key / Socket2
    • M key / Socket3
    • B & M key

M2_Edge_Connector_Keying

# 总线

SATA 版本 理论速度SATA 3.0 600MB/SSATA 2.0 300MB/SSATA 1.0 150MB/SPCIe 版本 带宽 Column 0 Column 1 Column 2 Column 3 Note x1 x2 x4 x8 x16 3 1GB/s 2GB/s 4GB/s 8GB/s 16GB/s 硬盘4 2GB/s 4GB/s 8GB/s 16GB/s 32GB/s 硬盘5 4GB/s 8GB/s 16GB/s 32GB/s 64GB/s 6 8GB/s 16GB/s 32GB/s 64GB/s 128GB/s

# 协议

# 尺寸

  • 2.5 英寸（无需单独供电）
  • 3.5 英寸（需单独供电）

硬盘速率快慢主要看总线速度

# USB

# 物理接口

USB_Micro-B.svgUSB_Type-A.svgUSB_3.0_Type-A_blue.svgUSB_Type-C_receptacle.svg

# 协议

协议 协议 速度 别名USB 2.0 60MB/s USB 3.0 500MB/S (5Gbps) USB 3.2 Gen 1USB 3.1 1212.12MB/s (10Gbps) USB 3.2 Gen 2USB 3.2 2424.24MB/s (20Gbps) USB 3.2 Gen 2x2USB4 5GB/s (40Gbps)

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