how much faster is this than an external HDD?

With an SSD over HDD, you're obviously paying for the increase in speed. Nobody actually answered your question of "how much faster." Even though it's been over a year now, maybe it will help someone else. A typical portable HDD speed seems to be about 120 Mbps, whereas this drive claims 1,050 MBps read and 1,000 write. So about 8 or 9 times faster. Also, it is pretty fast relative to other portable SSDs. 1 GBps seems to be about the standard right now for drives in this price range. The T7 quotes the same speed, from what I can tell. Definitely not "3-4x" faster. The X5 quotes twice the speed (at twice the price).

How to get the full 1000 mb/s? only getting about 800 mb/s write and 700 mb/s read. plugged directly into a macbook air m1 (2020). blackmagic test

The numbers quoted are for the raw data rate - how fast the drive can accept bits. You will never see this in real life. Some factors affecting real-world performance include: * File system overhead. Your file system (whether FAT, NTFS, HFS, APFS, ext or anything else) has overhead. This overhad consumes bandwidth, but you won't see it in a benchmark that only measures the data used by your files. * Your testing application may not be getting enough CPU cycles or USB bandwidth to be able to push data at the device's maximum speed. Testing labs use a computer with a specialized operating system that can ensure sufficient bandwidth, but an app running on a normal operating system can't make such a guarantee.

It's not showing up on my ntfs for mac but is in finder. also keeps asking me to authenticate in order to do anything with it?

Ntsf is a windows format. A Mac will not write to it natively. You will need to get 3rd party software like Paragon or another to fully work with a ntsf formatted hard drive on a Mac. Format it to apfs if it is only going to be used on a Mac or buy ntfs for Mac software if you need to go back and forth.

Can I use this as an additional storage *continuously* connected to my mac? any overuse or overheat issues?

Since my poor MacBook Pro 2016 has gotten slower because I refuse to update the OS (because I know what would happen), I started using my 2TB 1050mbps SSD Sandisc external drive for my heavy video editing and music production projects and it flies without any problem. I would say though that it is true that at some point it gets quite hot but nothing’s affected it’s performance. My advise is just connect it when you need it and that’s it. I love this little friend!!

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ろ**ん

海外輸入製品です。日本語表示なし。もちろん説明書も！しかし問題なく使えます！Windows11でexFATにクイックフォーマットして両方に使えます。付属のUSBケーブルCtoCかApple純正のCtoCケーブルだと認識します！

22.11.2025

青**孝

役立てます

3.01.2026

の**の

iphoneくらいの大きさで重ねて持つかと思っていたら、、、想像以上にコンパクトで軽くてびっくりしました

17.10.2025

あ**い

データ保存用に購入。安心と信頼のSanDisk製SSD。公称値は1050MB/秒ですが、体感的には平均700MB/秒ほどで安定しており、動画編集やデータ転送でもストレスなく使えます。価格は少し高めですが、その分の性能と安心感はしっかりあります。長く使える信頼の一台。

6.11.2025

T**T

材質も良く想像以上な商品です。サイズ感も良くまたリピート購入をしたいと思います。安心して注文出来よいショップです。ありがとうございました。

12.11.2025

H**I

It’s small and light

I still can’t say anything how it works, but it’s pretty good, the size and the weight

27.04.2024

D**E

Excellent value for money

I just bought a new SanDisk 2TB Extreme Portable SSD, and it's excellent value for money. The features are great for the price.

11.10.2025

久**馨

この型番は大丈夫そうです。

21.11.2025

S**E

Great otem

21.10.2025

A**R

TOP Verarbeitung. Stabiles Gehäuse. Sie ist von den Abmessungen her so groß wie eine Packung Tempos. Neben dem kurzen Kabel USB-C auf USB- C ist auch noch ein Adapter USB-C auf USB-A dabei. Die anderen Details wurden schon in anderen Rezensionen genannt. Deshalb erspare ich mir eine ausführliche Rezension. Auf jeden Fall eine Kaufempfehlung von mir !! Update 15.01.2025 Inzwischen habe ich 3 Stück dkeser SSD. Eine davon dient als Time Machine für mein Macbook Air.

10.12.2025

G**O

Compact portable SSD. Smaller than I expected so ideal for travel. Speedy transfer of photos with plug & play technology. No messy delays when speed and performance are paramount. Highly recommended.

10.01.2026

J**O

Buena calidad del podructo, se utiliza muy a menudo para trabajos universitarios y cero problemas.

3.08.2025

A**A

very compact and a small device that can be kept in the pocket and has fast data transfer.

17.11.2025

ASIN	B08GTYFC37
Amazon Bestseller	#1,223 in Computers ( See Top 100 in Computers ) #6 in External Solid State Drives
Are Batteries Included	No
Batteries	1 AAAA batteries required.
Brand	Sandisk
Color	Black
Customer Reviews	4.4 4.4 out of 5 stars (76,755)
Date First Available	September 30, 2020
Form Factor	Portable
Hard Disk Description	Solid State Drive
Hard Drive Interface	Solid State
Hard Drive Size	1 TB
Hardware Platform	Linux, Mac, PC
Is Discontinued By Manufacturer	No
Item Weight	49.9 g
Item dimensions W x H	10 x 53 x 101 mm
Item model number	SDSSDE61-1T00-G25
Lithium Battery Energy Content	2 Kilowatt Hours
Lithium Battery Packaging	Batteries packed with equipment
Lithium Battery Weight	2 Grams
Manufacturer	Western Digital Technologies, Inc.
Nombre de cellules Lithium-Métal	5
Number Of Lithium Ion Cells	5
Operating System	Windows_10, mac_os, windows_8
Product Dimensions	0.97 x 5.26 x 10.08 cm; 49.9 g
Series	Extreme Portable
Wattage	3600

SANDISK SanDisk Extreme V2 SDSSDE61-1T00-G25

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