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Sony XDCAM EX Pro Handhelds
Sony PXW-Z280, Z190, X180 etc. (going back to EX3 & EX1) recording to SxS flash memory.

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Old September 22nd, 2008, 01:55 PM   #211
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I have briefly tested the following set up - shooting some 1080 30P (HQ) and has worked fine so far. Here are the test numbers they are a bit different from a previous test with the same hardware.


Transcend 16GB SDHC TURBO CLASS 6($50) and Kensington adapter:

Sustained data rate: Read: 19.16MB/s Write: 14.59MB/s
Random 512K file: Read: 19.19MB/s Write: 2.48MB/s
Random 4K file: Read: 4.48MB/s Write: 0.022MB/s
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Old September 22nd, 2008, 02:16 PM   #212
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Tried the combo on the EX3 today no errors. You can close the memory card door on the EX3
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Old September 22nd, 2008, 02:17 PM   #213
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Maybe it's buried somewhere in this thread but is the speed of the Sandisk extreme III 16 GB the same as the 8 GB?

Also - concering transfer speeds: Transfering the media from my 8 GB Sandisk via the camera and it's USB took 16 minutes. Transfering from my SxS card took about 7 minutes.
Tomorrow I'll try using my laptops built in SD-slot.
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Old September 22nd, 2008, 02:29 PM   #214
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Quote:
Originally Posted by Ola Christoffersson View Post
Maybe it's buried somewhere in this thread but is the speed of the Sandisk extreme III 16 GB the same as the 8 GB?

Also - concering transfer speeds: Transfering the media from my 8 GB Sandisk via the camera and it's USB took 16 minutes. Transfering from my SxS card took about 7 minutes.
Tomorrow I'll try using my laptops built in SD-slot.
I leave my card in the express adapter and when transfering the files this may quicker, using the Express slot on my laptop.
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Old September 22nd, 2008, 02:47 PM   #215
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Is estimate the new Extreme III to tranfer to your computer at 1.2GB/minute.

Yes, this slower thean SxS... But we knew it would be.

But based on this saving, you could buy a handfull of cards and copy them later when you have the time.
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Old September 22nd, 2008, 03:01 PM   #216
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What?! Really?! This is awesome! You guys have done some great work on this - thank you!.

So, is this the combo you are referring to?

1, Kensington 7-in-1 Media Reader $ 36 (USD)
1, SanDisk Extreme III 16GB 30MB/s version $129 (USD)

Can anyone post links to the best place to order them from?
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Old September 22nd, 2008, 03:10 PM   #217
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Ted,
Not if they're not on the sponsor list.
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Old September 22nd, 2008, 03:56 PM   #218
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Has anyone tried the SanDisk Ultra II 15MB/s memory with the Kensington expresscard reader on an EX1?
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Old September 22nd, 2008, 04:19 PM   #219
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Ah, Good point. How about real part numbers? I just don't want to buy the wrong devices.
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Old September 22nd, 2008, 06:57 PM   #220
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Kensington 7 in 1 Media Reader for ExpressCard Slot" model number 33407EU
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Old September 22nd, 2008, 07:05 PM   #221
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1, Kensington 7-in-1 Media Reader 33407 $ 36 (USD)
1, SanDisk Extreme III 16GB 30MB/s version $129 (USD)
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Old September 22nd, 2008, 09:58 PM   #222
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Update on Expresscard adapters

In the quest for finding the perfect SDHC to Expresscard Adapter here's more info:

Sonnet 21 in 1 Multimedia Reader Part #MMRW-E34: EX1 displays "Unknown Media" with SDHC card in or not

SIIG ExpressCard 12 in 1 R/W: EX1 displays "Unknown Media" with SDHC card in or not

Cables Unlimited Card Reader ExpressCard 34mm (IOC9750) The packaging read SOHOUSB Multiple card reader to Expresscard: It works. Very similar (the same exact casing...) in design and functionality to the Kensington reader we all now know and love however... This card is a tiny bit faster. I noticed when I was copying data from my card to my RAID, it was maybe 10% faster. I did some benchmarking (using some Mac freeware, Xbench, and here are the differences:

Kensington Adapter:

Description, Overall Score, Detail

Disk Test 2.20
Sequential 20.87
Uncached Write 21.71 13.33 MB/sec [4K blocks]
Uncached Write 23.92 13.53 MB/sec [256K blocks]
Uncached Read 13.16 3.85 MB/sec [4K blocks]
Uncached Read 35.94 18.07 MB/sec [256K blocks]
Random 1.16
Uncached Write 0.31 0.03 MB/sec [4K blocks]
Uncached Write 5.95 1.91 MB/sec [256K blocks]
Uncached Read 522.34 3.70 MB/sec [4K blocks]
Uncached Read 95.21 17.67 MB/sec [256K blocks]

SOHOUSB:

Disk Test 2.24
Sequential 24.61
Uncached Write 21.93 13.47 MB/sec [4K blocks]
Uncached Write 26.61 15.05 MB/sec [256K blocks]
Uncached Read 18.77 5.49 MB/sec [4K blocks]
Uncached Read 38.38 19.29 MB/sec [256K blocks]
Random 1.17
Uncached Write 0.31 0.03 MB/sec [4K blocks]
Uncached Write 5.91 1.89 MB/sec [256K blocks]
Uncached Read 497.94 3.53 MB/sec [4K blocks]
Uncached Read 101.12 18.76 MB/sec [256K blocks]

Not sure why there are differences or if one is better on the EX1 or not. The SOHO had 15% higher sequential read and write scores than the Kensington, and about the same random write and lower random read scores. Anyway this adapter is the cheapest of the lot at $16. I'm going to order 1 more just for fun.

And also just for fun I decided to put the Sandisk Extreme III SDHC card in a Sandisk Micromate SDHC usb reader I have and measure the scores, very similar to the Expresscard adapters:

Disk Test 2.15
Sequential 15.61
Uncached Write 13.97 8.58 MB/sec [4K blocks]
Uncached Write 15.05 8.52 MB/sec [256K blocks]
Uncached Read 15.22 4.45 MB/sec [4K blocks]
Uncached Read 19.06 9.58 MB/sec [256K blocks]
Random 1.15
Uncached Write 0.31 0.03 MB/sec [4K blocks]
Uncached Write 5.43 1.74 MB/sec [256K blocks]
Uncached Read 455.42 3.23 MB/sec [4K blocks]
Uncached Read 51.02 9.47 MB/sec [256K blocks]

And just for reference here are the scores on a 8GB SxS Card (a LOT faster):

Disk Test 4.88
Sequential 54.65
Uncached Write 66.40 40.77 MB/sec [4K blocks]
Uncached Write 77.70 43.96 MB/sec [256K blocks]
Uncached Read 25.99 7.61 MB/sec [4K blocks]
Uncached Read 147.30 74.03 MB/sec [256K blocks]
Random 2.56
Uncached Write 0.67 0.07 MB/sec [4K blocks]
Uncached Write 13.67 4.37 MB/sec [256K blocks]
Uncached Read 977.79 6.93 MB/sec [4K blocks]
Uncached Read 392.66 72.86 MB/sec [256K blocks]
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Old September 23rd, 2008, 05:06 AM   #223
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Got my Kensington and sandisk 8gb today, it all works ok.
Just want to confirm though that the Maplin SD>Express reader does not work.

Paul.
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Old September 23rd, 2008, 06:14 AM   #224
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So Keith,
will the Cables Unlimited Card Reader ExpressCard 34mm (IOC9750) allow the EX1 memory compartment to close?


Here's a quick test to determine if the Cables Unlimited Reader is a bit faster in the EX1:

Set the EX1 to 720 24P S&Q ON at 40 FPS. (Almost half speed)
With the Kensington, I had no errors. I tested it for about 5 minutes.
It failed when S&Q was set to 45.

Check to see if the Cables Unlimited Reader will run at S&Q set to 45. If so, incrementally increase to determine when it fails.

Thanks for the update!
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Old September 23rd, 2008, 12:17 PM   #225
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Here they are on B&H, a sponsor....

Kensington | 7-in-1 ExpressCard Media Reader | K33407US | B&H

Sandisk | 16GB Extreme III - 30MB/s Editi | SDSDX3-016GR-A31
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