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Blue retractable USB flash drive with slider and lanyard loop

Transcend

Transcend TS64GJF790K JetFlash 790 64GB USB 3.0 USB flash drive

SKU CH-K5X1-T4NT4 MPN TS64GJF790K

A capless 64 GB USB 3.0 flash drive with a slide-out connector, LED indicator and lanyard loop

  • Total capacity64 GB
  • USB standardUSB 3.0
  • Product colorBlue
  • Key featuresFully compatible with SuperSpeed USB 3.0 & Hi-Speed USB 2.0
  • Product dimensions10.6 mm × 63.6 mm × 21.2 mm (H × W × D)
  • Product weight4.9g
  • USB 3.0 speed moves large files fast
  • Slide-out connector protects the port without a cap
  • LED indicator shows drive activity at a glance
  • Weighs just 4.9 g for easy everyday carry
  • Lanyard loop keeps the drive attached to keys or bag

Transcend JetFlash 790 64GB USB 3.0 Drive

This Transcend JetFlash 790 provides 64GB of portable storage in a capless blue housing. It connects via a USB 3.0 interface and remains backward compatible with USB 2.0 ports. The integrated slide-out connector protects the plug when not in use, while a lanyard loop allows attachment to a key ring. It suits anyone needing a compact drive for everyday file transfers.

Sustained load behaviour

The drive operates under the USB 3.0 specification for SuperSpeed data rates during extended copy sessions. An LED usage status indicator shows activity so you can monitor ongoing transfers. The lightweight 4.9g build and small 10.6mm x 63.6mm x 21.2mm form factor keep it unobtrusive in a laptop port. No active cooling is present, so thermal throttling may occur during very long, high-volume writes.

Installation and common issues

Installation requires no drivers on modern operating systems; simply slide the connector out and plug it into a USB port. The capless mechanism removes the risk of losing a separate cover. Ensure the slider is fully extended before insertion to avoid connection problems. Users who require hardware encryption or ruggedised water resistance should look elsewhere, as this model offers neither feature.

How it compares

Measured against everything we stock in USB Thumb Drives, at today’s prices. Recalculated every night.

Price $25.99
Cheaper than about 59% of the 1,099 comparable items (median $31.99).
Total capacity 64 GB
Typical for this category: the median of 746 items is 64 GB.
Price per TB $406.09 per TB
Pricier than about 73% of the 600 comparable items (median $226.48 per TB).

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Specifications

Product
Brand nameTranscend
Product lineJetFlash 790
Model nameTS64GJF790K
Total capacity64 GB
Product colorBlue
Ports & slots
USB standardUSB 3.0
Size & build
Product dimensions10.6 mm × 63.6 mm × 21.2 mm (H × W × D)
Product weight4.9g
Shipping weight0.01 kg
Package size128 × 102 × 15 mm

Questions about this item

Does the slide-out connector on the JetFlash 790 draw more power or run hotter during long transfers than a fixed-connector drive?

The drive uses the standard USB 3.0 bus power limit and its small 4.9g metal housing acts as a passive heatsink, so sustained writes do not generate noticeable extra heat versus a fixed-connector model.

What host port must my computer already have to reach the JetFlash 790's rated SuperSpeed transfer rate?

A USB 3.0 Type-A port is required for SuperSpeed operation; the drive will fall back to USB 2.0 Hi-Speed on older ports.

Will the JetFlash 790 work reliably on a desktop that only has USB 2.0 ports?

Yes — it is fully backward-compatible with USB 2.0 Hi-Speed, so it will enumerate and transfer files on legacy ports, just at the lower 2.0 speed.

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