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expired Posted by CyanMarmot641 • Feb 11, 2022
expired Posted by CyanMarmot641 • Feb 11, 2022

Team C171 64GB USB 2.0 Flash Drive Model TC17164GB01 for $4.99

$4.99

Newegg
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Feb 11, 2022
196 Posts
Joined Jan 2011
Feb 11, 2022
kevingattaca
Feb 11, 2022
196 Posts
Usb 2.0
Feb 11, 2022
814 Posts
Joined Apr 2021
Feb 11, 2022
TalentedHaddock257
Feb 11, 2022
814 Posts
Same deal as a couple of weeks ago:
https://www.newegg.com/team-model...6820331705

3 drives for 4.50 each:
https://www.newegg.com/Product/Co...bo.4436553

If you only need 8Gb for system drives, get these ones. They cost the same! Here is the earlier Slickdeals discussion:
https://slickdeals.net/f/15590704-team-c171-64gb-usb-2-0-flash-drive-model-tc17164gb01-4-99?src=SiteSearchV2Algo1
Feb 11, 2022
814 Posts
Joined Apr 2021
Feb 11, 2022
TalentedHaddock257
Feb 11, 2022
814 Posts
Here are the internal details for the 32GB C171 version:

Volume: F:
Controller: Silicon Motion SM3271AC1
Possible Memory Chip(s): Not available
Flash ID: 983C98B3
Flash CE: 1
Chip F/W: ISP 210113-DG1
MPTOOL Ver.: 21.01.12
VID: 090C
PID: 2000
Manufacturer: USB
Product: Flash Disk
Query Vendor ID: USB
Query Product ID: Flash Disk
Query Product Revision: 1100
Physical Disk Capacity: 31954305024 Bytes
Windows Disk Capacity: 15992881152 Bytes
Internal Tags: QT4P-K92J
File System: FAT32
Relative Offset: 4096 KB
USB Version: 2.00
Declared Power: 500 mA
ContMeas ID: 5950-03-0F
Microsoft Windows 7 SP1 Build 7601
------------------------------------
http://www.antspec.com/usbflashinfo/
Program Version: 9.4.0.645

Description: [F:]USB Mass Storage Device(USB Flash Disk)
Device Type: Mass Storage Device

Protocal Version: USB 2.00
Current Speed: High Speed
Max Current: 500mA

USB Device ID: VID = 090C PID = 2000
Serial Number: CCYYMMDDHHMMSSTB0X2E

Device Vendor: USB
Device Name: Flash Disk
Device Revision: 1100

Manufacturer: USB
Product Model: Flash Disk
Product Revision: 1100

Controller Vendor: SMI
Controller Part-Number: SM3271AC1 - ISP 210113-DG1
Flash ID code: 983C98B37672 - KIOXIA TC58TFG8T22TA0D - 1CE/Single Channel [TLC-16K] -> Total Capacity = 32GB

Tools on web: http://dl.mydigit.net/special/up/smi.html
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Feb 11, 2022
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Feb 11, 2022
Numus19
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Why do they keep putting USB 2.0 controllers in these things?!?!
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Numus19
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Is this a repost cause could have sworn I saw this and posted that USB 2.0 so would take forever to transfer files
Feb 11, 2022
814 Posts
Joined Apr 2021
Feb 11, 2022
TalentedHaddock257
Feb 11, 2022
814 Posts
Quote from Numus19 :
Why do they keep putting USB 2.0 controllers in these things?!?!
USB2 maxes out at ~26 MB/s. These drives can do 19./7.5 MB/s R/W (my test of a 32GB version). So USB2 speed is plenty! For something like Windows install USB, or similar, the speed does not matter that much.

They probably use the old cheap controllers, and the lowest grade flash which is slow.
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Feb 11, 2022
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Feb 11, 2022
Numus19
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Quote from TalentedHaddock257 :
USB2 maxes out at ~26 MB/s. These drives can do 19./7.5 MB/s R/W (my test of a 32GB version). So USB2 speed is plenty! For something like Windows install USB, or similar, the speed does not matter that much.

They probably use the old cheap controllers, and the lowest grade flash which is slow.
Those speeds you got are irrelevant to say if the USB 2.0 controller is bottlenecking or not. Since you can't physically test the NAND flash and have to go through the controller and you are using theoretical "perfect world" standards for USB 2.0 transfer speeds it means nothing. Unless you want to desolder the NAND flash and put it on a USB 3.0 controller to test if that is the real speed then my statement stands. The argument that the NAND in these drives is so cheap that it makes no difference between a USB 2.0 and 3.0 controller is circa 2011.

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Feb 11, 2022
814 Posts
Joined Apr 2021
Feb 11, 2022
TalentedHaddock257
Feb 11, 2022
814 Posts
Quote from Numus19 :
Those speeds you got are irrelevant to say if the USB 2.0 controller is bottlenecking or not. Since you can't physically test the NAND flash and have to go through the controller and you are using theoretical "perfect world" standards for USB 2.0 transfer speeds it means nothing. Unless you want to desolder the NAND flash and put it on a USB 3.0 controller to test if that is the real speed then my statement stands. The argument that the NAND in these drives is so cheap that it makes no difference between a USB 2.0 and 3.0 controller is circa 2011.
26 MB/s is the actual USB2 speed one gets during file transfers, not theoretical. Theoretical is 480 Mb/s which would be 60 MB/s. If the controller was bottle-necking, would not you get identical read&write speeds at ~ 20 MB/s?

Lots of these drives fail on the 2nd write. This seems to indicate the flash memory quality is 1 step above the garbage. But for write once applications that might be enough Smilie

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