lsusb returns the following:
Bus 001 Device 001: ID 1d6b:0002 Linux 6.12.62 xhci-hcd xHCI Host Controller
Bus 001 Device 002: ID 0bda:b812 Realtek 802.11ac NIC
Bus 002 Device 001: ID 1d6b:0003 Linux 6.12.62 xhci-hcd xHCI Host Controller
inserting a sata usb 3.0
Bus 001 Device 002: ID 174c:235c Ugreen Ugreen Storage Device
hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 1712 MB in 2.00 seconds = 855.59 MB/sec
Timing buffered disk reads: 62 MB in 4.10 seconds = 15.12 MB/sec
sometimes it produces the following:
[ 87.994001] sd 0:0:0:0: [sda] tag#4 uas_eh_abort_handler 0 uas-tag 15 inflight: CMD
[ 88.001732] sd 0:0:0:0: [sda] tag#4 CDB: opcode=0x28 28 00 00 00 b8 00 00 04 00 00
[ 88.009301] sd 0:0:0:0: [sda] tag#3 uas_eh_abort_handler 0 uas-tag 14 inflight: CMD
[ 88.017032] sd 0:0:0:0: [sda] tag#3 CDB: opcode=0x28 28 00 00 00 b4 00 00 04 00 00
[ 88.024602] sd 0:0:0:0: [sda] tag#2 uas_eh_abort_handler 0 uas-tag 13 inflight: CMD
[ 88.032333] sd 0:0:0:0: [sda] tag#2 CDB: opcode=0x28 28 00 00 00 b0 00 00 04 00 00
[ 88.039909] sd 0:0:0:0: [sda] tag#1 uas_eh_abort_handler 0 uas-tag 12 inflight: CMD
[ 88.047639] sd 0:0:0:0: [sda] tag#1 CDB: opcode=0x28 28 00 00 00 ac 00 00 04 00 00
[ 88.055246] sd 0:0:0:0: [sda] tag#0 uas_eh_abort_handler 0 uas-tag 4 inflight: CMD
[ 88.062890] sd 0:0:0:0: [sda] tag#0 CDB: opcode=0x28 28 00 00 00 a0 00 00 04 00 00
Edit:inserting a USB 2.0 SATA cable produced the following:
Bus 001 Device 002: ID 04fc:0c25 Sunplus Technology Inc. USB to Serial-ATA bridge
hdparm -t /dev/sda
/dev/sda:
Timing cached reads: 1698 MB in 2.00 seconds = 848.84 MB/sec
Timing buffered disk reads: 122 MB in 3.02 seconds = 40.44 MB/sec
all my USB 3.x SATA produced speeds upto 15.12 MB/sec
all my USB 3.x hubs are recognized as USB2.0
Bus 001 Device 022: ID 2109:2813 VIA Labs, Inc. USB2.0 Hub
Bus 001 Device 025: ID 1a40:0101 USB2.0 HUB
connecting a USB 3.x NVME addaptor:
Bus 001 Device 027: ID 152d:0562 JMicron External
/dev/sda:
Timing cached reads: 1662 MB in 2.00 seconds = 830.63 MB/sec
Timing buffered disk reads: 106 MB in 3.06 seconds = 34.68 MB/sec
connecting the same USB 3.x NVME addaptor through a USB 3.x Hub recognized as USB2.0 Hub:
Bus 001 Device 030: ID 2109:2813 VIA Labs, Inc. USB2.0 Hub
Bus 001 Device 033: ID 152d:0562 JMicron External/dev/sda:
Timing cached reads: 1698 MB in 2.00 seconds = 849.05 MB/sec
Timing buffered disk reads: 122 MB in 3.02 seconds = 40.39 MB/sec