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Transcend JF790 512GB USB Flash Drive, for PC/Mac/Laptop/Windows/Computer/Desktop/TV/Car Audio, USB3.2 Gen1 Memory Stick, Thumb Drives Data Storage w/Retractable Connector, USB2.0/3.0/3.1 Compatible
Transcend

Transcend JF790 512GB USB Flash Drive

Bottom line: The Transcend JF790 512GB USB Flash Drive ($146.48 on Amazon as of 2026-10-21 00:15 UTC): Capless slide-out connector - nothing to lose, contacts stay shielded in a bag; main trade-off: slider mechanism is a moving part that can wear or jam over time.

$146.48

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Buy on Amazon — $146.48 Compare to similar external storage

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For external drives and portable storage, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Capless slide-out connector - nothing to lose, contacts stay shielded in a bag
  • ✓ 512GB holds large 4K video and project libraries without swapping drives
  • ✓ USB 3.2 Gen 1 speeds, still works in USB 2.0/3.0/3.1 ports
  • ✓ Five-year limited warranty from Transcend

Cons

  • ✗ Slider mechanism is a moving part that can wear or jam over time
  • ✗ No USB-C connector - phones and newer laptops need an adapter
  • ✗ Transcend Elite software is Windows/Mac only, no Linux client
  • ✗ Priced near portable SSD territory at this capacity

Manufacturer description

The Transcend JetFlash 790 puts 512GB of portable storage behind a capless, retractable USB connector, so there is no cap to lose and no exposed contacts rattling around in a bag or pocket. Slide the colored switch, plug it into a laptop, desktop, TV, or car audio head unit, and the USB 3.2 Gen 1 interface handles large media libraries and project folders without the crawl of an older drive. Backward compatibility with USB 2.0, 3.0, and 3.1 ports means the same Transcend flash drive moves between a modern workstation and a decade-old machine without an adapter. It works with PC and Mac out…

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SpecPicks Verdict

SpecPicks scored Transcend JF790 512GB USB Flash Drive using a rating × review-volume × price-fit model applied to published specs and reviews across the external storage category. Transcend's external storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

How fast is the Transcend JetFlash 790 512GB?

It uses the USB 3.2 Gen 1 interface, which tops out at 5Gbps at the port level. Transcend does not publish specific read and write figures for this drive, so check the product listing for current speed specifications.

Will it work in my car stereo or TV USB port?

Transcend lists the JF790 as compatible with PC, Mac, laptop, desktop, TV, and car audio USB ports. Most car head units and TVs require FAT32 or exFAT formatting, so reformat the drive if your device does not read it.

Does it work with older USB 2.0 computers?

Yes. The drive is backward compatible with USB 2.0, 3.0, and 3.1 ports. It will run at the slower host speed on a USB 2.0 machine, but it will mount and transfer normally.

What is the warranty on this flash drive?

Transcend covers the JetFlash 790 with a five-year limited warranty. Registration and claim terms are handled by Transcend, so review the current warranty details on the product listing before you buy.

Do I need a cap or case to protect it?

No. The capless design retracts the USB connector into the housing with a slide switch, shielding the contacts in transit. There is also a lanyard loop for a keyring or bag strap.

Key Features

  • Capless design with slide-out USB connector
  • Lightweight and compact
  • Lanyard / keyring loop
  • Transcend Elite data management software
  • Five-year Limited Warranty

Full Specifications

BrandTranscend
ColorBlack
Model NameJF790
Read Speed90 megabytes_per_second
Unit Count1 Count
Write Speed60
ConnectivityUSB
Model NumberTS512GJF790K
CompatibilityPC, Mac
Mfr Part NumberTS512GJF790K
Special FeatureLightweight, Retractable Connector
Flash Memory TypeUSB
Compatible DevicesDevices with USB 3.2 Gen 1 port
Hardware InterfaceUSB 3.2 Gen 1
Additional FeaturesLightweight, Retractable Connector
Warranty DescriptionFive-year Limited Warranty
Connectivity TechnologyUSB
Memory Storage Capacity512 GB
Item Dimensions D x W x H5.12"D x 4.33"W x 0.39"H
Hardware Connectivity TechnologyUSB Type A
Full listing titleTranscend JF790 512GB USB Flash Drive, for PC/Mac/Laptop/Windows/Computer/Desktop/TV/Car Audio, USB3.2 Gen1 Memory Stick, Thumb Drives Data Storage w/Retractable Connector, USB2.0/3.0/3.1 Compatible

Ready to buy?

Transcend JF790 512GB USB Flash Drive, for PC/Mac/Laptop/Windows/Computer/Desktop/TV/Car Audio, USB3.2 Gen1 Memory Stick, Thumb Drives Data Storage w/Retractable Connector, USB2.0/3.0/3.1 Compatible is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $146.48

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

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Transcend JF790 512GB USB Flash Drive, for PC/Mac/Laptop/Windows/Computer/Desktop/TV/Car Audio, USB3.2 Gen1 Memory Stick, Thumb Drives Data Storage w/Retractable Connector, USB2.0/3.0/3.1 Compatible
$146.48
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