计算机与 Internet

SSD with USB 3.1 read/write speed test result

USB 3.1 Bus:

  Host Controller Driver:	AppleUSBXHCITR
  PCI Device ID:	0x15ec 
  PCI Revision ID:	0x0006 
  PCI Vendor ID:	0x8086 
  Bus Number:	0x00 

VLI Product String:

  Product ID:	0x0715
  Vendor ID:	0x2109  (VIA Labs, Inc.)
  Version:	1.31
  Serial Number:	000000123ADA
  Speed:	Up to 10 Gb/s
  Manufacturer:	VLI Manufacture String
  Location ID:	0x00200000 / 1
  Current Available (mA):	900
  Current Required (mA):	896
  Extra Operating Current (mA):	0
  Media:
SL500 2TB:
  Capacity:	2 TB (2,000,398,934,016 bytes)
  Removable Media:	No
  BSD Name:	disk2
  Logical Unit:	0
  Partition Map Type:	GPT (GUID Partition Table)
  S.M.A.R.T. status:	Verified
  USB Interface:	0
  Volumes:
EFI:
  Capacity:	209.7 MB (209,715,200 bytes)
  File System:	MS-DOS FAT32
  BSD Name:	disk2s1
  Content:	EFI
  Volume UUID:	0E239BC6-F960-3107-89CF-1C97F78BB46B
disk2s2:
  Capacity:	2 TB (2,000,189,177,856 bytes)
  BSD Name:	disk2s2
  Content:	Apple_APFS

Colorful SL500 2TB Media:

  Free:	1.43 TB (1,431,453,413,376 bytes)
  Capacity:	2 TB (2,000,189,177,856 bytes)
  Mount Point:	/Volumes/Colorful SL500 2TB Media
  File System:	Case-sensitive APFS
  Writable:	Yes
  Ignore Ownership:	Yes
  BSD Name:	disk3s1
  Volume UUID:	E7369016-1660-4A22-B537-2412DD8CE2F0
  Physical Drive:
  Device Name:	SL500 2TB
  Media Name:	AppleAPFSMedia
  Protocol:	USB
  Internal:	No
  Partition Map Type:	Unknown

with ORICO TYPE-C USB 3.1 Transparent 2.5 inch Hard Drive Enclosure  [2139C3-R1.1]
$ dd if=/dev/random of=./tmp.data bs=1024k count=32768
32768+0 records in
32768+0 records out
34359738368 bytes transferred in 729.521762 secs (47098990 bytes/sec)
$ dd if=./tmp.data of=/dev/null bs=1024k
32768+0 records in
32768+0 records out
34359738368 bytes transferred in 152.150119 secs (225827877 bytes/sec)

Read speed: 215.3662462234497070 Megabyte per second
Write speed: 44.9170970916748046 Megabyte per second

#dd, #ssd, #usb

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计算机与 Internet

SSD read/write speed test result

File System:	Case-sensitive APFS
Physical Drive:
  Device Name:	APPLE SSD AP8192N
  Media Name:	AppleAPFSMedia
  Medium Type:	SSD
  Protocol:	PCI-Express
  Internal:	Yes
  Partition Map Type:	Unknown
  S.M.A.R.T. Status:	Verified

$ dd if=/dev/random of=/tmp/tmp.data bs=1024k count=262144
262144+0 records in
262144+0 records out
274877906944 bytes transferred in 764.036416 secs (359770688 bytes/sec)

$ dd if=/tmp/tmp.data of=/dev/null bs=1024k
262144+0 records in
262144+0 records out
274877906944 bytes transferred in 99.768125 secs (2755167619 bytes/sec)

Read speed: 2.755167619 Gigabyte per second
Write speed: 359.770688 Megabyte per second

#SSD #dd

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