Transcend JetFlash 780 128GB

Test 01/2020

  • Transcend JetFlash 780 128GB	 - testing
  • Transcend JetFlash 780 128GB	 - front
  • Transcend JetFlash 780 128GB	 - back
  • Transcend JetFlash 780 128GB	 - left
  • Transcend JetFlash 780 128GB	 - boxed
  • Transcend JetFlash 780 128GB	 - top
  • Transcend JetFlash 780 128GB	 - transcendcrystal
  • Transcend JetFlash 780 128GB	 - transcendread
  • Transcend JetFlash 780 128GB	 - transcendwrite
Test seal: Transcend JetFlash 780 128GB	, Rating 8.8

last modified: 08.10.2019, 11:44

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All rating criteria details:

Read speed 33%
Write speed 32%
Compactness 18%
Design 17%
Tested by: Alexander


Product tester


The Transcend JetFlash can convince with its performance. Its read speed can compete with that of an SSD hard disk. Its writing speed is average. Altogether an above average USB flash drive, but may not be worth its price for every consumer.


  • Extremely high reading speed


  • No possibility to attach to key ring

360° View

A USB flash drive with extremely high reading speed and good writing speed.

Speed measurement (sequential) of the USB flash drive
Speed measurement (sequential) of the flash drive

Special features

The Transcend JetFlash protects its USB port with a removable plastic cap.


The relatively large flash drive has a black and grey checkerboard design and offers no possibility to be attached to a keyring or anything similar.


With a reading speed (sequential) of 325 MB/s the Transcend JetFlash is clearly one of the top products. Its write speed (sequential) of 152 MB/s is also quite good.

We have evaluated almost 700 reviews on the Internet. In summary, it can be said that around 80 percent of buyers are satisfied (4 stars) or even very satisfied (5 stars). Partially (2 stars) or completely dissatisfied are a good 15 percent of the users. The average score at the time of the evaluation was 4.3 out of 5 stars.

Summary: 80% positive and 15% negative ratings

The following points were positively noted:

  • High robustness
  • Fast transfer
  • Simple design

The following points were noted negatively:

  • Low durability
  • Too wide
Manufacturer Transcend
EAN 4056203612720
Additional warranty 5 years
Scope of delivery Flash drive
Quality impression Good
Packaging Cardboard
Height 0,8 cm
Width 7 cm
Depth 1,8 cm
Weight 12 g
Manual language EN, ES, DE, IT, PO, NL, FR, RU, TK, KR, JA, CH
Quality of instructions Good
Ports USB 3.0
Cent / GB 51
Reading speed 329 MB/s
Writing speed 152 MB/s
Read speed
Write speed

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Overview: USB Flash Drive

How do you like this product?


Does the stick have an LED indicator?
Yes, it has a rather subtle blue LED light at the top of the stick.
What material is it made of?
The device is made of plastic as usual.


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