Questions tagged [usb3]

USB 3.0 is the third generation of USB connectivity, and is many times faster than the previous USB 2.0. No model of the Raspberry Pi supports this higher transfer speed "SuperSpeed", but appliances offer USB 2.0 backward compatibility to be operated with the Raspberry Pi.

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Issues installing RTL8812BU WiFi driver on Raspberry Pi 4 B

Recently, I bought a USB3 WiFi adapter with the RTL8812BU chip (Supports Linux). I have spent 5 hours so far trying to install the Linux driver for the chip on my Raspberry Pi 4. Apparently, I am not ...
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44 views

USB 3 device appears to be listed on the wrong bus

Environment: Pi 4, 2gig, Buster, updated. We have a USB 3 WiFi adapter (blue plug), which is plugged into one of the blue USB3 slots. The device vid/pid is: 0bda:b812, Realtek. Rated 867Mbps for ...
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0answers
51 views

Pi-4b USB 3 no longer recognising Powered USB HDD Dock

TL:DR: Previously working setup now fails with no apparent hardware damage, nor deliberate software changes. My original setup had been working without problem since Sep 2019. I powered it down, ...
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1answer
134 views

raspberry pi 4 with usb 3 adapter to sata harddrive write slower than usual

I have a 2.5 inch SATA HDD hooked up to a UGREEN USB 3 to SATA connector. The HDD is formatted as NTFS. On my Windows PC I get write speeds of about 80 MBytes/s. I am running OMV on the Pi 4. On ...
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2answers
94 views

Hosting LAMP on SD-card in RPi now - would like to move whole database and website to External USB 3.0 SSD

.I am hosting this website on the RPi 4 - 4GB Ram model. I'm guessing the google PageSpeed insights ranking score is kinda ok right now (it ranges in the middel with a score of 56) - try and test it ...
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2answers
472 views

Will SD-card in an RPi 4 always be faster than USB 3.0 writing/reading to an installed web-server?

Setup: RPi 4 with LAMP on IT sucks DK My SD card is quite quick sure (it's a Class 10 too and all) but my question is this: Would there be increased performance if I hosted my web-server files on a ...
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1answer
293 views

Persistently increase usbfs_memory_mb on RPI4 running Ubuntu 19

I am working with a 4gb RaspberryPI4 and it's running a USB3 Flir Blackfly. Out of the box, the setting of usbcore.usbfs_memory_mb @ 16 isn't enough to get a stream from the camera. Increasing the ...
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1answer
2k views

USB 3.0 OTG on Raspberry Pi 4 (USB gadget)

Raspberry Pi 4 can do USB OTG via the USB-C connector (according to this answer) - but only at USB 2.0 speeds since the USB-C connector only connects to USB 2.0 lanes. My question is - can Pi 4 also ...
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2answers
9k views

SATA 3 SSD too slow on raspberry pi 4, even with external power

I have a Pi 4B (with latest firmware upgrade) running Raspbian Buster and a 2TB SSD with a SATA 3 interface. I'm using a SATA 3 to USB 3 converter that can also connect to external power when ...
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1answer
130 views

Performance of OS install on SD vs USB 3

I was wondering if I should think about installing the OS on a USB 3.0 stick and using the USB 3.0 port rather than the Class 10 Micro SD card to enhance read/write speeds. Is there a performance ...
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1answer
156 views

USB3 drive and Pi Zero

I'm trying to connect a 3.5" drive to a Pi Zero. However, the drive is not detected by the Pi: pi@lolcat:~ $ dmesg | grep sd [ 0.913523] sdhci: Secure Digital Host Controller Interface driver [ ...
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127 views

Storage device interface through MIPI CSI+DSI connections

So I love the Raspberry Pi and currently own and use a model 3b (not plus) for learning more about linux and hardware as well as simple projects like a DNS cache server. Lately I was thinking about ...
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2answers
208 views

Raspberry pi and rs232

I am working on a small project for work. I am trying to figure out if you can connect 3-4 RS232 to USB ports to the raspberry pi. I would like to gather information from a digital micrometer and a ...
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1answer
380 views

Why does USB3 cable work with Pi 2, but not Pi 3?

I have two PIs: Pi 2 Model B v1.1, and Pi 3 Model B. Both Pis are running with defaults. Also, both Pis are each powered by a 2A supply. I also have an externally powered hard drive dock that ...
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2answers
574 views

Fast Copy from Raspi 3 to USB?

I have a small script which continuously logs data to my Raspi3 (kinda a data logger).I am writing all the collected data in to a plain txt file. My Pi logs data for a month or two continuously. So ...
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4answers
13k views

Raspberry Pi USB 3 HAT or alternatives

I am looking for a cheap way to utilize USB 3.0 speeds for my external peripherals. The latest Pi 3 model B still has USB 2.0 ports and from what I have read, until USB 3.0 prices fall, it will be a ...
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4answers
3k views

Raspberry Raid 0 gains

I'm currently using the Pi overclocked to 1GHz on Archlinux running deluge and samba which access a 3TB external USB drive. I plan on buying another identical drive and set it up as a raid 0 ...
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0answers
533 views

Raspi not 'accepting' JUH340 USB Hub. (Raspbian OS)

Easily, not too many people have asked a question about this model of usb hub. What I'm attempting to use is a J5 CREATE JUH340 USB 3.0 with the RPi, but it is highly unworkable. With most everything ...
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2answers
183 views

Is it possible to physically upgrade either model's USB ports from USB 2.0 to USB 3.0?

Would the build not recognize the difference or be capable of supporting the USB 3.0 speeds? If problems arise, would the issue sit with software, hardware, or another area?
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2answers
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RPi rev 2 and USB powered harddrive

I am getting my RasperryPi Rev2 soon, and I plan to use it as a media centre. I have a WesternDigital Elements 1TB USB3 2.5" USB powered external harddrive. I know that a normal USB port outputs 500mA,...
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3answers
10k views

Powering from my PC's USB 3.0 port

The specs for my PC's motherboard don't mention any upper or lower limit for its built-in USB 3.0 ports. What is the minimum current that any (standards compliant) built-in USB 3.0 port should be ...