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SDC / Brands / Transcend

Transcend · 300S · 500S · 700S · High Endurance · CompactFlash 800x · CFast · JetFlash · RecoveRx · DrivePro

Transcend memory card recovery. A Taiwanese maker that sells cards, dashcams and its own recovery program, and knows which of those does what.

Transcend makes a broad range under one name: the 300S microSD and SD cards that sell on price, the 500S and 700S cards above them for cameras, High Endurance cards for the DrivePro dashcams it also makes, industrial cards, CompactFlash and CFast cards still in the bags of older DSLR and cinema users, and the JetFlash USB drives in every office. It also publishes RecoveRx, its own free recovery program for deleted and formatted photographs, and is clear in its own material that it is for cards that still read. Transcend's cards carry flash and controllers from the usual makers, which puts them in the recovery trade's documented schemes, and its warranty, like every maker's, replaces the card. The faults are the common ones: torn tables after an interrupted write, formats, a High Endurance card worn out at last after years in a windscreen, a 300S that was never the size on its label, and a JetFlash snapped in a laptop. A Transcend card a reader still sees is £149 + VAT after the free look, fixed in writing; one no reader sees, or one snapped, locked or counterfeit, is £299 + VAT; a Transcend CFast card whose controller has failed is SSD work from £449 + VAT.

Free first lookOne fixed figure in writingNo data, no bill on most jobsReturn postage paid

Rather talk it through? An engineer answers the bench line
0800 6890668

Take the card out and leave it out. Do not format it, however politely the computer or the camera asks. Do not run chkdsk, First Aid, a repair tool or a recovery program that offers to fix the card. Do not keep trying it in reader after reader, and do not put it back in the camera to see. A card that reads a little tonight may not read at all tomorrow; whatever is on it is recovered from an image, and the image comes first.

Lines and models we see.

Which card is it →
Line Models and markings Notes
300SmicroSD and SD UHS-I, 32GB to 512GB; A1 on microSDPhones, Switch, budget cameras
500S and 700SSD and microSD; 700S UHS-IICameras
High EndurancemicroSD rated for continuous recordingDrivePro and other dashcams
CompactFlash and CFast800x and 1000x CompactFlash; CFast 2.0Older DSLRs; cinema bodies; CFast from £449 + VAT
JetFlashUSB drives, board and monolithOffices

What tends to go wrong on Transcend cards and drives.

RecoveRx, and what it is forTranscend's own program scans a readable card for deleted and formatted photographs and video, and it is a fair first step on a card that reads cleanly at its right size, run against an image. It cannot read a card the controller does not present, and every scan of a weak card is more reads of it; the software page says where the line is.
Dashcams and the High Endurance cardsTranscend sells both the camera and the card, and its High Endurance cards last longer in a loop than ordinary ones. They still wear out, and arrive here locked read-only after years, with the loop's footage intact and readable while it lasts. Take the card out the moment something happens that you need the footage of.
CompactFlash and CFastTranscend's CompactFlash cards have a controller and separate flash chips, and a dead one is a chip-off job; its CFast cards are SATA drives in a card and are SSD work. The free look says which you have.
JetFlash drivesThe larger JetFlash drives have a board inside and the smallest are monoliths; a drive knocked in a port snaps at the connector and is repaired at its tracks before it is imaged. Send every piece.

Transcend symptoms, and how long each gives you.

Not listed? Describe it on the form →
Camera or phone says format, or card errorTorn tables. Say no; the pictures are there.Do not delay
Not seen by any readerThe controller. Monolith or chip-off work.Everyday job
Suddenly read-onlyThe card locked itself. Copy everything off now.Do not delay
Bought online, now losing filesA counterfeit. Everything on the real flash is recoverable.Everyday job
Snapped or crackedIf the die is whole, it reads.Everyday job
Packing it and posting it: take the card out of the device and leave it out; do not format, do not run a repair, and do not keep trying readers. Put the card in a small anti-static bag or a card case, tape that to a piece of card so it cannot shake loose, and post it in a padded envelope or a small box; a snapped microSD travels with every piece. Send the adapter or the reader only if the card has never worked without it. Use a tracked service and insure it for what the pictures are worth, and know that the posting address is not printed anywhere on this site; it arrives by email in reply to the form, with a booking sheet to print; the sheet inside the envelope is what matches it to your enquiry when it is opened. Or hand the envelope in at one of ten drop-off points, your name on the outside and the sheet inside. We pay the postage home either way. The whole of it is written up on the guide to packing and posting.

What you see on Transcend cards and drives, and what it means.

Describe yours to us →
What you see The usual reason What the bench does
DrivePro says card error, or formatA worn High Endurance card, or torn tablesImage; rebuild; the event clip rebuilt
JetFlash snapped in a portCracked tracksRepaired; imaged
Needs formatting, or card errorTorn file tablesImage; rebuild the tables on the image
Not detected anywhereThe controller has stoppedChip-off on a board; test pads on a monolith
Write-protected with the switch openThe end-of-life lockCopy off now; image in passes if it is slow
Shows the wrong size, or loses files past a pointA counterfeit under this labelThe real flash recovered; the rest was never stored

From the envelope arriving to your files going back.

Work we have closed →
01

Logged the day it lands, and the first look costs nothing Free

A case number goes on the envelope and a number on the card the day it is opened, with both sides photographed. The card goes into a reader on a hardware imager that controls how long each read may take, never a laptop slot, and what it presents is read first: its capacity, its identity registers, its file system. That decides whether it is a card a reader can see with a fault in the data, or a card whose controller has stopped, and which band it falls in. The first look is free, and you can stop there owing nothing.

Nothing to pay for lookingA single figure, put in writingNo formats, no repairs, nothing written
02

Imaged, sector by sector, before anything else

A card that answers at all is imaged in full on hardware that limits every read and retries on its own terms, weak areas last, with a map kept of what could not be read. A card that is slow, that drops out, or that has locked itself read-only is imaged the same way, in short passes with the power cycled between them. Nothing is written to the card at any stage, and every later step happens on the image.

Sector by sector, weak areas lastNothing written to the card
03

The flash read through the test pads when the controller has stopped

A card no reader sees is a monolith job. The coating is removed to expose the internal test pads, the pinout is matched against a database or mapped by hand, a needle adapter is fitted, and the raw flash is read out around the dead controller. The scrambling, the error-correction layout and the page and block order are then solved in software, and a virtual image of the card assembled from the raw dump.

Pinout, needles, raw dumpDescrambled and reassembled in software
04

The file system rebuilt, or the files carved, on the image

On the image, the FAT or exFAT tables are rebuilt where they are damaged and read where they are not, deleted entries are brought back, and where the tables are gone the photographs and video are carved out by their own signatures. Video files cut short by a dead battery are rebuilt from a reference clip from the same camera. Every photograph is opened before it goes on the list; a file that will not open is not counted.

Tables rebuilt, or files carvedEvery file opened before it is listed
05

You see the file list before you pay

What was recovered is listed for you first, and only then does a bill exist. Approve the list and it is invoiced; turn it down and it is not, and where nothing has come back, most jobs carry no charge at all. The files go home on fresh media with the card, tracked, with the postage paid here, and your case stays open until you have opened them yourself.

No charge until you accept the figureFresh media, supplied with the job3–5 days at the bench

From the bench

  • Say the line and the part number. A 300S and a 700S differ inside.
  • Run RecoveRx only on a card that reads cleanly, and against an image.
  • Send every piece of a snapped JetFlash.
  • The warranty replaces the card and does not touch the data. Claim it after the recovery, not before; the maker will not send the card back.
  • Say where the card was bought. The big names are the counterfeited ones, and a marketplace card under this label may not be this brand inside.
  • The free recovery software is a fair first step on a card that reads cleanly, and the wrong one on a card that does not.

One job, followed all the way through.

UK · SDC-2026-0730JOB LOGGED ✓

A Transcend High Endurance 64GB from a DrivePro 250, pulled after a collision in which the car's power had been cut, with the dashcam asking to format on every start and the insurer asking for the clip

The card was imaged whole; the exFAT directory had been torn at the clip being written when the power went. The directory was rebuilt on the image, the loop's clips copied out, and the event clip, cut short with no index, rebuilt from the clip before it as a reference. It played whole and went to the insurer.

100% of the loop recovered, the event clip rebuilt3 days here, and back by post
Illustrative example — replace with a genuine case

What helps, and what harms.

Do this much first

  • Take the card out and leave it out
  • Say no to every format and repair
  • Note the line, the capacity and where it was bought
  • Send it tracked; the first look is free

What sets us back

  • Formatting to get the device working again
  • Claiming the warranty before the data is off
  • Running the maker's format tool
  • Forcing a read-only lock off

Questions answered before you commit.

Should I use Transcend's RecoveRx first?

On a card that reads cleanly at its right size with deleted or formatted files, yes, run against an image. On a card that drops out, shows the wrong size or is not seen, no.

Does Transcend recover data?

No. It publishes a recovery program and replaces failed cards under warranty; the laboratory work is done here.

Is Transcend CFast the same as its CompactFlash?

No. CFast is a SATA solid-state drive in a CompactFlash shape and is recovered with SSD tools, from £449 + VAT. CompactFlash is chip-off work in the middle band.

What does it cost?

£149 + VAT if a reader still sees the card after the free look; £299 + VAT if none does, or if it is snapped, locked or counterfeit; CFast from £449 + VAT. Fixed in writing.

Begin here if yours is doing the same thing.

Dashcam and security camera cards →USB flash drives and pen drives →CompactFlash →Recovery software, or a lab →Kingston →

Nothing gets worse while the card is out of the device.

Looking at it is free. Back comes a list of what opened and what did not, together with a single price to finish, set down in writing while you are still free to say no. On most jobs an invoice only follows the data. Until that list reaches you, leave the card in its bag and format nothing.

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Price my jobPacking and posting