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