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Note:
(1) 100% brand new.
(2) 100% real capacity.
(3) 100% one year warranty.
(4) 100% QC testing passed before shipping.
(5) 1TB/2TB price are too high, system have not options for 1TB/2TB, if you need 1TB/2TB, please contact us to double check price. Thank you.
USB 3.0 Pendrive 64GB 32GB USB Stick Flash Drive 16GB Disk On Key 32GB Pen Drive Pen Driver Thumb Drive 64GB Custom Logo Gift | |
Features | -Capacities: 1GB,4GB,8GB,16GB,32GB,64GB,128GB,256GB,512GB,1TB,2TB |
Content | 1 x USB Flash Drive |
1.Why is that the USB flash drive actual storage capacity slightly less than the product specification?
All storage product will display a lower than stated memory capacity when they are viewed on a computer. The reason for this discrepancy is the way in which manufacturers calculate a megabyte of memory.
32GB = 32,000,000,000 Bytes
1024Byte = 1K
32,000,000,000/1024 = 31,250,000 KB
1024KB= 1MB
31,250,000/1024 =30,517.57 MB
1024MB= 1GB
30,517.57 /1024 =29.8 GB
Therefore, the capacity of USB flash drive x 0.93 =Windows shown capacity.
2.How do i know my USB flash drive correctly insert into USB port ?
Please make sure your device mental of connector be correctly inserted into meddle of plastic. If your computer still cant detect your device, please reverse the connector and insert it again.
If your computer detects your device, the first time driver installation process will be shown in the right corner of screen. If your computer device autorun function is enabled, the dialog window will show on the screen. Then you can choose which method you want to open your device. You also can use device manager to check your device status.
3.How can I safety remove my USB Flash drive in Windows operation systems?
The following steps will tell you how to safety remove your USB flash drive:
(1)Find the green arrow icon in the right corner of screen
(2)Right-click on the icon, and select safety remove hardware
(3)Select the USB flash drive you want to remove, mostly it shows with usb mass storage device, then select the usb mass storage after the massage dialog comes out.
(4)Click ok.
(5)Safety remove message will appear immediately in the right corner of screen.
(6)Now can remove your USB flash drive from the USB port.
4.USB flash drive was correctly recognized by my computer,but is does not appear in My Computer,how do I access my flash drive ?
It may that another device was assigned with the same drive letter, because drive conflict. If you want to solve this problem, please follow the instructions below to reassign USB Flash drive initial.
(1)Click Windows start icon.
(2)Select run.
(3)Enter diskmgmt.msc and click on the ok to open disk manager. (4)Right-click on USB flash drive, then select change drive letter and paths.
(5)Click on the edit.
(6)Reassign the drive letter to another one that is not used by another device.
(7)Click on the ok to save your settings.
5.How to prevent files from being damaged or lost from the USB flash drive?
(1)We strongly recommend you to connect your USB flash drive to the rear side USB ports on your computer, and please avoid using an USB hub or extension cable.
(2)Please do not use several USB devices at the same time to avoid the possibility of insufficient power supply.
(3)Please make sure you use the safety remove option whenever you would like to disconnect USB Flash drive from your computer. You can refer to question 12 perform safety remove
6.Why my USB flash drive transfer rate could not reach the speed you claim?
Pretec USB flash drive is following the industrial standard to test the transfer rate. Our test is under the standard of simplest condition and general accepted benchmark.
In the case of usual transfer, the speed will be limited by related hardware and software to reach the expected speed. These factors include:
(1)Motherboard (Driver, Firmware)
(2)The number and format of transferring data Operating System (Version)
(3)Related hardware ( i.e. USB cable, memory and so on)
All of these factors would be slowing down the transfer speed.
Speed | Write Speed | Read Speed | ||
USB 2.0 | USB 3.0 | USB 2.0 | USB 3.0 | |
8GB | 6MB/S | 15MB/S | 15MB/S | 30MB/S |
16GB | 8MB/S | 20MB/S | 16MB/S | 35MB/S |
32GB | 9MB/S | 25MB/S | 18MB/S | 40MB/S |
64GB | 12MB/S | 40MB/S | 20MB/S | 100MB/S |
128GB | 15MB/S | 80MB/S | 25MB/S | 120MB/S |
256GB | / | 110MB/S | / | 150MB/S |
512GB | / | 140MB/S | / | 200MB/S |
1TB | / | 350MB/S | / | 650MB/S |
All above data is from professional testing laboratory, for reference only, not the guarantee for our products! | ||||
7.Whats different between USB3.0 & USB2.0?
Comparison chart | USB 2.0 | USB 3.0 |
Released | April 2000 | November 2008 |
Speed | High Speed or HS, 480 Mbps (Megabits per second) | 10 times faster than USB 2.0. Super Speed or SS, 4.8 Gbps (Giga bits per second) |
Signaling Method | Polling mechanism i.e can either send or receive data (Half duplex) | Asynchronous mechanism i.e. can send and receive data simultaneously (Full duplex) |
Price | For a similar product, the USB 2.0 version is generally less expensive than its USB 3.0 version. | For a similar product, the USB 3.0 version is generally more expensive than its USB 2.0 version. |
Power Usage | Up to 500 mA | Up to 900 mA. Allows better power efficiency with less power for idle states. Can power more devices from one hub. |
Number of wires within the cable | 4 | 9 |
Standard-A Connectors | Black in color | Blue in color |
Standard-B Connectors | Smaller in size | Extra space for more wires |
Max Cable length | 5 meters | 3 meters |
1.The items will be ship out soon when received a verified payment. We are not responsible for any wrong or undeliverable address.
2.Please verify with your customs before purchase. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer`s responsibility. Please check with your country`s customs office to determine what these additional costs will be prior to bidding/buying. usually we will ship all orders as gift and declare to minimize buyers import tax.
3.It usually takes around 4 to 8 working days by express, and 15-50 working days by China Airmail to ship to your countries.
4.PS: If the item will be shipped by registered air mail, it takes 7-30 business days (1-3 weeks) for delivery depending on your location. Most of the items will be delivered in 2 weeks, while some may take up to 6 weeks, this is normal.- If you want to got the products quickly, Please choose way of shipment by DHL, UPS, FEDEX or EMS.
1.When you receive the item and satisfied with the product,Please leave positive feedback and 5 stars, we will be highly appreciated .
2.If you have any problems with our items or services, please feel free to contact us first before you leave negative feedback. We will do our best to solve any problems and provide you with the best customer services.
1.We are willing to establish cooperation with sellers around the world , we provide inexpensive products. At the same time provide the best service for everyone. We not only sell products, but more importantly is the service. If you have any problems, please feel free to contact We are always to serve you.
2.Our working time: AM8:00-PM11:00 (China Beijing time)
3.All your inquiries will be answered in 1 hours. ( Except in exceptional circumstances )
4.And our office is closed on Sunday and public holidays (Hong Kong), We apologize for the late reply during the holidays.
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If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service
On-time Delivery: If you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).2018 Promo USB 3.0 Pendrive 64GB 32GB USB Stick Flash Drive 16GB Disk On Key 32GB Pen Drive Pen Driver Thumb Drive 64GB Custom Logo Gift
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