Usb boot Raspberry Pi zero 2w. Speed tests SSD Vs SD Vs USB drive.

A thread about usb boot, although lately it seems you no longer need to do anything but flash Raspberry Pi os to a usb device and boot. (With the wiring configuration shown in the video)
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My Amazon UK store
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In this video

UK links
Ultra mini usb to micro adapter [ Ссылка ]
3 USB hub & Ethernet [ Ссылка ]
Usb c to micro ARKTEK [ Ссылка ]
Pi Zero 2w [ Ссылка ]
Original Pi Zero [ Ссылка ]
Ugreen sata usb [ Ссылка ]
Yucun 60GB SSD [ Ссылка ]
Avermedia GC513 [ Ссылка ]
Logitech K400+ keyboard trackpad [ Ссылка ]
Samsung 128GB Bar [ Ссылка ]

US links
Ultra mini usb to micro adapter [ Ссылка ]
USB C hub (similar to mine) [ Ссылка ]
3 USB hub & Ethernet (similar to mine) [ Ссылка ]
Usb c to micro ARKTEK [ Ссылка ]
Ugreen sata usb [ Ссылка ]
Pi 4 cluster case [ Ссылка ]
Pi 4 8GB [ Ссылка ]
Pi 4 4GB [ Ссылка ]
Samsung bar 64GB usb stick [ Ссылка ]
Samsung Bar 128GB USB [ Ссылка ]
Logik K400+ keyboard [ Ссылка ]
My capture device Avermedia GC513 [ Ссылка ]
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Pi Zero 2W boot time on usb is slower than micro sd

41.31 seconds Yucun SSD with ugreen sata
27.55 seconds 128GB micro sd

SPEED TEST RESULTS

pi zero 2w usb boot vs sd card

yucun ssd
Sequential write speed 37005 KB/sec (target 10000) - PASS
Random write speed 3200 IOPS (target 500) - PASS
Random read speed 2423 IOPS (target 1500) - PASS

sd card 128gb
Sequential write speed 17250 KB/sec (target 10000) - PASS
Random write speed 730 IOPS (target 500) - PASS
Random read speed 2166 IOPS (target 1500) - PASS

samsung bar 128gb
Sequential write speed 25264 KB/sec (target 10000) - PASS
Random write speed 2350 IOPS (target 500) - PASS
Random read speed 1232 IOPS (target 1500) - FAIL

Pi 4 results much quicker at running an os

sd card 128gb
Sequential write speed 31118 KB/sec (target 10000) - PASS
Random write speed 914 IOPS (target 500) - PASS
Random read speed 3010 IOPS (target 1500) - PASS

Samsung bar 128gb (tried after editing video)
Sequential write speed 49610 KB/sec (target 10000) - PASS
Random write speed 5219 IOPS (target 500) - PASS
Random read speed 2710 IOPS (target 1500) - PASS

Yucun 60 GB SSD (from an older video)
Sequential write speed 225986 KB/sec (target 10000) - PASS
Random write speed 16633 IOPS (target 500) - PASS
Random read speed 10045 IOPS (target 1500) - PASS

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My Videos

Headless SSH and Remote Desktop setup. Raspberry Pi imager 1.6 Advanced mode.
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