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SanDisk Extreme PRO 128 GB Solid State Flash Drive, USB 3.2(Gen 1)

SanDisk Extreme PRO 128 GB Solid State Flash Drive, USB 3.2(Gen 1)

Q: Why does sandisk refer to this as solid state when it is really just a fast flash drive, and why the critical reviews?

SanDisk refers to this as a solid state drive because it is a solid state drive in a flash drive form factor over a USB 3.1 Gen 1 interface. This device uses a SSD controller over an SCSI-to-USB bridge. A typical flash drive uses an eMMC controller, which optimistically has similar peak read speeds but falls flat with writes, complex workloads, and extended continuous use. For an example of this distinction in practice, a USB SCSI device such as this can be configured for direct access by a Windows Hyper-V hypervisor. Most USB SSD devices support TRIM and all that I'm aware of support SMART. As a cautionary note, there are some products that support flash drives that won't support this device or similar. For instance, I once attempted to use a similar device with a printer/copier that could print from flash drives, but the printer didn't support USB SCSI and failed to mount the drive (formatted with a single exFAT partition). It was able to print from an exFAT traditional flash drive.

Q: Since this usb is 3.1, will the speed be less if I'm using it on the usb 3.0 port on my pc? If yes, by how much?

Short answer - No. Per USB.org, the terms "USB 3.0" and "USB 3.1 Generation 1" are "synonymous" for the same 2008 technology. The change from "USB 3.0" to "3.1 Gen 1" was just a (very confusing) marketing/licensing rebranding issue. So USB 3.0 = USB 3.1 Gen 1 = max 5 Gigabits per second (Gbps) = 625 Megabytes per second (MBps). Simple ... until 2013 when they introduced the next generation technology at double the speed as "USB 3.1 Gen 2" = max 10 Gbps. Note the "Gen 2". So now if you want the older 5 Gbps, look for "USB 3.0" or "USB 3.1 Gen 1" or just plain "USB 3.1". But if your PC supports it and you want to make sure you're getting the new 10 Gbps technology, absolutely look for the additional "Gen 2" or don't buy it.

Q: How does the slider on top of this usb stick lock? Do you have to press the slider down or something to move it up and down?

You can extend the connector whether or not you press down on the button. Once extended, the connector locks in place requiring you to press down on the button to retract it. However, it's pretty easy to accidentally press down on the button while inserting the drive to your computer or usb hub. So you must avoid that if you want to insert it easily. Hold it along the edges or wrap your finger across the back and down the side and you can insert it easily.

Q: Does this need to be reformatted to store a large single file greater than 4gb

Actually the 256GB arrived exFAT, allocation unit size 1024k, probably ideal for large files such as video. The down side is that if you try to store a large number of files, such as 245,000 jpg that are about 130GB total on my computer, Windows 10 would report not enough space! The simple solution is to reformat in exFAT with an allocation unit size of 128k or less. Then everything fits since not so much wasted space of each file.

Product ID: 249144644

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Details

Brand
SanDisk
Memory storage capacity
128 GB
Hardware interface
USB
Special features
3.2 Gen
Writing speed
380MB/s

⚡420MB/s read speed

🔒Secure file encryption

✍️380MB/s write speed

Frequently Bought Together

SanDisk 128GB Extreme PRO USB 3.2 Solid State Flash Drive - SDCZ880-128G-G46

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Syntech USB C to USB Adapter Pack of 2 USB C Male to USB 3.0 Female Adapter Compatible with MacBook Pro Air 2024, Microsoft Surface, iPad,Samsung Notebook, Dell XPS and More Type C Devices,Space Grey

Description

🚀 Speed, Security, and Style in Your Pocket

TOP TIER SECURITY - Password protection with SanDisk SecureAccess keeps your files locked tight.
USB 3 2 GEN 1 SPEED - Future-proof connectivity for seamless plug-and-play performance.
BLAZING FAST TRANSFERS - Move a 4K movie in under 15 seconds—because your time is money.
MASSIVE 128 GB CAPACITY - Store thousands of photos, videos, and documents without breaking a sweat.
ROBUST ALUMINIUM BUILD - Sleek, durable metal casing that stands out on your desk and in your bag.

The SanDisk Extreme PRO 128GB USB 3.2 Gen 1 flash drive delivers ultra-fast read speeds up to 420MB/s and write speeds up to 380MB/s, enabling lightning-quick transfers of large files like 4K movies. Encased in a sleek, durable aluminium shell, it combines portability with premium protection. Enhanced with SanDisk SecureAccess software, it offers robust password encryption to keep your data safe. Perfect for professionals who demand speed, security, and style on the go.

Specifications

Reading speed	420 Megabytes Per Second
Connectivity technology	USB
Colour	Black
Model name	Extreme Pro
Flash memory type	USB
Manufacturer	Sandisk
UPC	619659152512
Global Trade Identification Number	00619659152512
Product Dimensions	7.09 x 2.13 x 1.14 cm; 18.14 g
Item model number	SDCZ880-128G-G46
Color	Black
RAM Size	128 GB
Voltage	240 Volts
Wattage	5
Are Batteries Included	No
Lithium Battery Weight	2.5 Grams
Item Weight	18.1 g

Have a Question? See What Others Asked

Why does sandisk refer to this as solid state when it is really just a fast flash drive, and why the critical reviews?

Since this usb is 3.1, will the speed be less if I'm using it on the usb 3.0 port on my pc? If yes, by how much?

How does the slider on top of this usb stick lock? Do you have to press the slider down or something to move it up and down?

Does this need to be reformatted to store a large single file greater than 4gb

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