Reading new SDXC card on USB 3.0 card reader

Neel wrote on 5/3/2019, 8:44 AM

Hi all

Just upgraded to VMS 16 and got a new Lumix G85 camera. Now I can shoot and edit in 4K, which is cool.

This question isn't about VMS directly, but I thought maybe you guys might be able to help.

I have a Kingston MobileLite G4 USB 3.0 card reader, I think about 2 years old. When using my SDHC cards from my older SLR camera, files transfer quickly. However, with my newer SDXC (128 GB) card I got for my Lumix G85, file transfer is slower than USB 2.0 rates, and eventually hangs.

I can transfer files by connecting the G85 directly to my PC, but it's a USB 2.0 connection, and while stable, quite slow.

I looked into the Kingtson G4 specs and it says it's compatible with SDXC UHS-I cards, but doesn't say anything about the U3 Speed Class. Is this the issue? I need a reader that works with U3?

Thanks

Neel

Comments

j-v wrote on 5/3/2019, 9:09 AM

The used USB connection port in your hardware has to support U3, but you did nothing say about your hardware and available USB ports.

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Neel wrote on 5/3/2019, 9:50 AM

You mean the ports on my PC? I'm using the front-side USB 3.1 ports, connected to a Gigabyte H270-HD3. It only says they are USB 3.1 ports, isn't that enough?

From the specs:

Chipset:

8 x USB 3.1 Gen 1 ports (4 ports on the back panel, 4 ports available through the internal USB headers)

6 x USB 2.0/1.1 ports (2 ports on the back panel, 4 ports available through the internal USB headers)

Neel

Last changed by Neel on 5/3/2019, 9:51 AM, changed a total of 1 times.

 

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Eagle Six wrote on 5/3/2019, 10:07 AM

Hi @Neel, I'm no expert in card readers, but the biggest difference in class I and class III cards is the write speed. If there is some kind of intelligence in the card reader, than I would then assume a class III capable reader would do better than a class I reader.

I your speed to transfer comparison, I'm sure you have taken into consideration the 4K files from the G85 are going to be much larger than the HD files from your other camera and therefore are going to take longer to transfer at either USB2 or 3.0 ports.

Perhaps a bit of research would help or contacting Kingston support.

System Specs......
Corsair Obsidian Series 450D ATX Mid Tower
Asus X99-A II LGA 2011-v3, Intel X99 SATA 6 Gb/s USB 3.1/3.0 ATX Intel Motherboard
Intel Core i7-6800K 15M Broadwell-E, 6 core 3.4 GHz LGA 2011-v3 (overclocked 20%)
64GB Corsair Vengeance LPX DDR4 3200
Corsair Hydro Series H110i GTX 280mm Extreme Performance Liquid CPU Cooler
MSI Radeon R9 390 DirectX 12 8GB Video Card
Corsair RMx Series RM750X 740W 80 Plus Gold power pack
Samsung 970 EVO NVMe M.2 boot drive
Corsair Neutron XT 2.5 480GB SATA III SSD - video work drive
Western Digitial 1TB 7200 RPM SATA - video work drive
Western Digital Black 6TB 7200 RPM SATA 6Bb/s 128MB Cache 3.5 data drive

Bluray Disc burner drive
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Eagle Six wrote on 5/3/2019, 10:09 AM

8 x USB 3.1 Gen 1 ports (4 ports on the back panel, 4 ports available through the internal USB headers)

@Neel how many other devices are you running in these USB3.1 ports, they are most likely shared?

System Specs......
Corsair Obsidian Series 450D ATX Mid Tower
Asus X99-A II LGA 2011-v3, Intel X99 SATA 6 Gb/s USB 3.1/3.0 ATX Intel Motherboard
Intel Core i7-6800K 15M Broadwell-E, 6 core 3.4 GHz LGA 2011-v3 (overclocked 20%)
64GB Corsair Vengeance LPX DDR4 3200
Corsair Hydro Series H110i GTX 280mm Extreme Performance Liquid CPU Cooler
MSI Radeon R9 390 DirectX 12 8GB Video Card
Corsair RMx Series RM750X 740W 80 Plus Gold power pack
Samsung 970 EVO NVMe M.2 boot drive
Corsair Neutron XT 2.5 480GB SATA III SSD - video work drive
Western Digitial 1TB 7200 RPM SATA - video work drive
Western Digital Black 6TB 7200 RPM SATA 6Bb/s 128MB Cache 3.5 data drive

Bluray Disc burner drive
2x 1080p monitors
Microsoft Window 10 Pro
DaVinci Resolve Studio 16 pb2
SVP13, MVP15, MVP16, SMSP13, MVMS15, MVMSP15, MVMSP16

Neel wrote on 5/3/2019, 2:22 PM

Contacted Kingston support, and they said my card reader:

it supports UHS-I and II

So I guess I need a card reader that is compatible with UHS-3

Eagle Six, these are my front-side ports, I often swap many different devices - USB stick, Kindle, card reader, iPhone

Neel wrote on 5/3/2019, 2:37 PM

More confusion. My card says it's UHS-I on the box. But Speed Class 3 (3 inside the U). These are two different things right? The UHS-I and UHS-II are not the same as U1 or U3 class ratings. Is this right?

If this is the case, my Kingston card reader should be fine for this UHS-I card.