# Portable SSD **URL:** https://forums.sandisk.com/c/portable-ssd/44.md [Latest](https://forums.sandisk.com/latest.md) · [Categories](https://forums.sandisk.com/categories.md) · [Tags](https://forums.sandisk.com/tags.md) --- ## [About the Portable SSD category](https://forums.sandisk.com/t/about-the-portable-ssd-category/49)
**Author:** [@system](https://forums.sandisk.com/u/system)\ **Replies:** 0\ **Last updated:** [June 18, 2020, 2:25pm UTC](https://forums.sandisk.com/t/about-the-portable-ssd-category/49 "2020-06-18T14:25:07Z")
Forum for discussing Portable SSD products. --- ## [SanDisk Extreme Portable SSD Not Detected After Failed Erase and Reset](https://forums.sandisk.com/t/sandisk-extreme-portable-ssd-not-detected-after-failed-erase-and-reset/419236)
**Author:** [@anon69364395](https://forums.sandisk.com/u/anon69364395)\ **Replies:** 1\ **Last updated:** [October 28, 2026, 11:40am UTC](https://forums.sandisk.com/t/sandisk-extreme-portable-ssd-not-detected-after-failed-erase-and-reset/419236 "2026-10-28T11:40:00Z")
Dear SanDisk Support Team, I am experiencing a serious issue with my SanDisk Extreme Portable SSD and would appreciate your assistance in recovering the device. Device: SanDisk Extreme Portable SSD Operating System: W… --- ## [Please insert a disk into USB Drive](https://forums.sandisk.com/t/please-insert-a-disk-into-usb-drive/414317)
**Author:** [@eplain](https://forums.sandisk.com/u/eplain)\ **Replies:** 9\ **Last updated:** [October 25, 2026, 11:14am UTC](https://forums.sandisk.com/t/please-insert-a-disk-into-usb-drive/414317 "2026-10-25T11:14:30Z")
All of a sudden my 500GB Portable Extreme SSD says- “Please insert a disk into USB Drive” when i plug it in and all 3 PC’s cannot recognize it. It shows up in the list but is greyed out. Any Help? --- ## [Extreme SSD 55AE is hidden and cannot be reformatted - help please!](https://forums.sandisk.com/t/extreme-ssd-55ae-is-hidden-and-cannot-be-reformatted-help-please/224871)
**Author:** [@llaurenjj](https://forums.sandisk.com/u/llaurenjj)\ **Replies:** 6\ **Last updated:** [October 24, 2026, 6:02pm UTC](https://forums.sandisk.com/t/extreme-ssd-55ae-is-hidden-and-cannot-be-reformatted-help-please/224871 "2026-10-24T18:02:20Z")
Hello! I bought my sister a 1TB SanDisk Extreme 55AE. She uses a Windows laptop. She managed to find the hidden file for her Apple iPhone backup that was taking up approx. 50GB of space on her laptop. She moved that … --- ## [Sandisk SSD - Too slow](https://forums.sandisk.com/t/sandisk-ssd-too-slow/232690)
**Author:** [@TAREK68](https://forums.sandisk.com/u/TAREK68)\ **Replies:** 4\ **Last updated:** [October 21, 2026, 9:49am UTC](https://forums.sandisk.com/t/sandisk-ssd-too-slow/232690 "2026-10-21T09:49:43Z")
I have Sandisk extreme portable SSD Model SDSSDE61-ITOO, which is too slow for approx. 43 MB/S. Kindly advise how to solve this issue and what is the original speed for this model. Regards, --- ## [SanDisk 1TB Extreme Portable SSD sdssde61-1T00 Just Stopped Working](https://forums.sandisk.com/t/sandisk-1tb-extreme-portable-ssd-sdssde61-1t00-just-stopped-working/224910)
**Author:** [@BusLife](https://forums.sandisk.com/u/BusLife)\ **Replies:** 2\ **Last updated:** [October 13, 2026, 2:16am UTC](https://forums.sandisk.com/t/sandisk-1tb-extreme-portable-ssd-sdssde61-1t00-just-stopped-working/224910 "2026-10-13T02:16:49Z")
I have 1TB drive woth important video files on it. While editing my program crash and now it does not even read the drive. I have hooked it up to a number of Macs and it acts like it’s not even there. Any suggestions? … --- ## [Walmart products fake?](https://forums.sandisk.com/t/walmart-products-fake/419131)
**Author:** [@khrystalblue](https://forums.sandisk.com/u/khrystalblue)\ **Replies:** 1\ **Last updated:** [October 12, 2026, 7:10am UTC](https://forums.sandisk.com/t/walmart-products-fake/419131 "2026-10-12T07:10:26Z")
purchased sandisk extreme portable SSD 1 TB, went to register the product and the serial number is invalid and there is no such model number. not able to talk to anyone at sandisk or walmart as of today, I am wondering … --- ## [Help! 1TB portable SSD became unaccessable while I was playing a game on it](https://forums.sandisk.com/t/help-1tb-portable-ssd-became-unaccessable-while-i-was-playing-a-game-on-it/235819)
**Author:** [@Umbrefox](https://forums.sandisk.com/u/Umbrefox)\ **Replies:** 3\ **Last updated:** [October 3, 2026, 3:48pm UTC](https://forums.sandisk.com/t/help-1tb-portable-ssd-became-unaccessable-while-i-was-playing-a-game-on-it/235819 "2026-10-03T15:48:08Z")
I was playing a game off my SSD when an error happened and disconnected the game. Thinking the internet blipped so I tried to reopen the game and it said “game.exe is not installed.” I was confused, I had the folder open… --- ## [Very SLOW External drive](https://forums.sandisk.com/t/very-slow-external-drive/211000)
**Author:** [@Collin1](https://forums.sandisk.com/u/Collin1)\ **Replies:** 1\ **Last updated:** [September 28, 2026, 5:44am UTC](https://forums.sandisk.com/t/very-slow-external-drive/211000 "2026-09-28T05:44:06Z")
Very SLOW External drive 41.5 MB/s Read and 38.7 write What is going WRONG How do I fix it or is it BROKEN Regards Coll --- ## [My Extreme 2 TB drive shows no space, even though I only copied 1 TB.](https://forums.sandisk.com/t/my-extreme-2-tb-drive-shows-no-space-even-though-i-only-copied-1-tb/419015)
**Author:** [@ManuelJimenez](https://forums.sandisk.com/u/ManuelJimenez)\ **Replies:** 3\ **Last updated:** [September 21, 2026, 7:14am UTC](https://forums.sandisk.com/t/my-extreme-2-tb-drive-shows-no-space-even-though-i-only-copied-1-tb/419015 "2026-09-21T07:14:01Z")
I bought a SamDisk Extreme Portable SSD V2 Model: SDSSDE61-2TOO But after copying only 1TB, it appears full. The data I copied totals 958GB. But the disk only shows 31GB free. How do I fix this? --- ## [Slow Speeds - 1TB Extreme Portable to SanDisk 2TB Extreme PRO](https://forums.sandisk.com/t/slow-speeds-1tb-extreme-portable-to-sandisk-2tb-extreme-pro/223676)
**Author:** [@Rochambeaux](https://forums.sandisk.com/u/Rochambeaux)\ **Replies:** 5\ **Last updated:** [September 1, 2026, 5:07am UTC](https://forums.sandisk.com/t/slow-speeds-1tb-extreme-portable-to-sandisk-2tb-extreme-pro/223676 "2026-09-01T05:07:37Z")
Transferring large number of RAW and JPG image files from a 1TB Extreme to a 2 TB Extreme Pro drive. 2TB Extreme Pro (formatted NTFS and empty) connected to USB 3.2 Gen 2x2 Type-C, 1 TB Extreme USB 3.2 Gen 2. Using sup… --- ## [Can I plug WD elements direct to my Oppo phone](https://forums.sandisk.com/t/can-i-plug-wd-elements-direct-to-my-oppo-phone/418988)
**Author:** [@Confisedpoof](https://forums.sandisk.com/u/Confisedpoof)\ **Replies:** 2\ **Last updated:** [August 17, 2026, 6:12pm UTC](https://forums.sandisk.com/t/can-i-plug-wd-elements-direct-to-my-oppo-phone/418988 "2026-08-17T18:12:20Z")
Does this hard drive operate direct from mobile phone --- ## [SSD corrupting my images](https://forums.sandisk.com/t/ssd-corrupting-my-images/418894)
**Author:** [@AZKiggin](https://forums.sandisk.com/u/AZKiggin)\ **Replies:** 5\ **Last updated:** [August 7, 2026, 8:45am UTC](https://forums.sandisk.com/t/ssd-corrupting-my-images/418894 "2026-08-07T08:45:58Z")
Hi, im using my portable SSD and all of my images have some sort of corruption or distortion when i transfer them to the 2tb portable SSD. Has anybody else had a similar error or know how to fix this? --- ## [Sandisk Extreme Portable SSD](https://forums.sandisk.com/t/sandisk-extreme-portable-ssd/418839)
**Author:** [@Photogimper](https://forums.sandisk.com/u/Photogimper)\ **Replies:** 2\ **Last updated:** [July 28, 2026, 3:06am UTC](https://forums.sandisk.com/t/sandisk-extreme-portable-ssd/418839 "2026-07-28T03:06:30Z")
Forgive me, I’m new to this and I’m experiencing problems already! This is a new hard drive that I’ve recently purchased to backup photos from my MacBook Pro. However, it’s not allowing me to delete files, once moved on… --- ## [Accidentally formatted my SanDisk Extreme Portable SSD any safe recovery options?](https://forums.sandisk.com/t/accidentally-formatted-my-sandisk-extreme-portable-ssd-any-safe-recovery-options/418863)
**Author:** [@Technohelper](https://forums.sandisk.com/u/Technohelper)\ **Replies:** 2\ **Last updated:** [July 1, 2026, 3:21am UTC](https://forums.sandisk.com/t/accidentally-formatted-my-sandisk-extreme-portable-ssd-any-safe-recovery-options/418863 "2026-07-01T03:21:47Z")
Hi everyone, I’m using a SanDisk Extreme Portable SSD as an external drive for storing photos, videos, and some work files. Yesterday I accidentally formatted the drive while trying to prepare another external disk. I r… --- ## [Portable ssd not working ](https://forums.sandisk.com/t/portable-ssd-not-working/418143)
**Author:** [@Dom1](https://forums.sandisk.com/u/Dom1)\ **Replies:** 5\ **Last updated:** [June 30, 2026, 11:19am UTC](https://forums.sandisk.com/t/portable-ssd-not-working/418143 "2026-06-30T11:19:20Z")
Hello, my portable ssd stopped working a while ago. Today I took it out of the original housing and put it in a new case, still not recognized. What I don’t understand is with the SanDisk Nvme to usb c the ssd gets hot a… --- ## [Drive will no longer mount on mac](https://forums.sandisk.com/t/drive-will-no-longer-mount-on-mac/74993)
**Author:** [@gkramer71](https://forums.sandisk.com/u/gkramer71)\ **Replies:** 59\ **Last updated:** [June 23, 2026, 8:33am UTC](https://forums.sandisk.com/t/drive-will-no-longer-mount-on-mac/74993 "2026-06-23T08:33:53Z")
I just got a Extreme portable ssd and I put some files on it from my imac and plugged it into my macbook pro and I was using a file on it and the drive unmounted and I couldnt get it to remount. Opened disk utility and i… --- ## [SanDisk 2TB Extreme PRO Portable SSD Data Loss 3 times](https://forums.sandisk.com/t/sandisk-2tb-extreme-pro-portable-ssd-data-loss-3-times/231132)
**Author:** [@kevin.young](https://forums.sandisk.com/u/kevin.young)\ **Replies:** 9\ **Last updated:** [June 11, 2026, 4:30pm UTC](https://forums.sandisk.com/t/sandisk-2tb-extreme-pro-portable-ssd-data-loss-3-times/231132 "2026-06-11T16:30:25Z")
I purchased this drive 4/19/2023 and have lost the data on it three times. I now understand the product is flawed with no resolution from Sandisk. What a rip-off, never purchasing Sandisk products again. --- ## [Ssd creator disconnects when starting „start Recording from the device”](https://forums.sandisk.com/t/ssd-creator-disconnects-when-starting-start-recording-from-the-device/418802)
**Author:** [@Rike1991](https://forums.sandisk.com/u/Rike1991)\ **Replies:** 1\ **Last updated:** [June 9, 2026, 11:52am UTC](https://forums.sandisk.com/t/ssd-creator-disconnects-when-starting-start-recording-from-the-device/418802 "2026-06-09T11:52:34Z")
When I try to start recording directly on the ssd creator phone ssd in the app the ssd isn’t showing for a few seconds and then shown again but not with the same settings --- ## [Micro SD card showing as corrupted in mobile- How to get data from it](https://forums.sandisk.com/t/micro-sd-card-showing-as-corrupted-in-mobile-how-to-get-data-from-it/223655)
**Author:** [@chap.vinny](https://forums.sandisk.com/u/chap.vinny)\ **Replies:** 4\ **Last updated:** [June 4, 2026, 7:56am UTC](https://forums.sandisk.com/t/micro-sd-card-showing-as-corrupted-in-mobile-how-to-get-data-from-it/223655 "2026-06-04T07:56:27Z")
Hi All, Micro SD card showing as corrupted in mobile- How to get data backup from the same. Please suggest the possible ways as dont want to loose data. Getting message on mobile that SD card is corrupted , format it.… --- ## [SansDisk SSD and GMKTec NucBox - SSD not working](https://forums.sandisk.com/t/sansdisk-ssd-and-gmktec-nucbox-ssd-not-working/417726)
**Author:** [@steve\_sensei](https://forums.sandisk.com/u/steve_sensei)\ **Replies:** 3\ **Last updated:** [May 21, 2026, 7:12am UTC](https://forums.sandisk.com/t/sansdisk-ssd-and-gmktec-nucbox-ssd-not-working/417726 "2026-05-21T07:12:45Z")
I am using a GMKtec G3 NucBox as a media server for my television, and transfer video files from my desktop top the NucBox using a SansDisk 1 Tb portable SSD. Originally, the SSD worked fine during file transfers, but no… --- ## [Old SSD won’t work in new PC](https://forums.sandisk.com/t/old-ssd-won-t-work-in-new-pc/417348)
**Author:** [@tomhh](https://forums.sandisk.com/u/tomhh)\ **Replies:** 3\ **Last updated:** [May 20, 2026, 10:00am UTC](https://forums.sandisk.com/t/old-ssd-won-t-work-in-new-pc/417348 "2026-05-20T10:00:04Z")
Dell 8940 had problems but 2tb SSD works well. Bought a new Dell 8960. The SSD won’t initialize in the new PC. Virtual sez access is denied. I finally deleted the. SSD I also Have a 1Tb that works on the new pc. It is… --- ## [Trying to install but don't see where to set up password to install security](https://forums.sandisk.com/t/trying-to-install-but-dont-see-where-to-set-up-password-to-install-security/418757)
**Author:** [@HSLewis](https://forums.sandisk.com/u/HSLewis)\ **Replies:** 1\ **Last updated:** [May 13, 2026, 4:22pm UTC](https://forums.sandisk.com/t/trying-to-install-but-dont-see-where-to-set-up-password-to-install-security/418757 "2026-05-13T16:22:19Z")
Trying to install but don’t see where to set up password to install security --- ## [My Sandisk became super slow but fixed by reformatting](https://forums.sandisk.com/t/my-sandisk-became-super-slow-but-fixed-by-reformatting/416909)
**Author:** [@sakenotabibito](https://forums.sandisk.com/u/sakenotabibito)\ **Replies:** 5\ **Last updated:** [May 13, 2026, 12:39pm UTC](https://forums.sandisk.com/t/my-sandisk-became-super-slow-but-fixed-by-reformatting/416909 "2026-05-13T12:39:31Z")
The problem is fixed now, but I just wanted to try and find out what the problem was in case it happens again. Basically, I connected my Sandisk Portable SSD 1TB last night after not using it for a few months but when I … --- ## [Loss of data on my SanDisk 4TB drive.](https://forums.sandisk.com/t/loss-of-data-on-my-sandisk-4tb-drive/417612)
**Author:** [@m70t690](https://forums.sandisk.com/u/m70t690)\ **Replies:** 7\ **Last updated:** [May 9, 2026, 5:43am UTC](https://forums.sandisk.com/t/loss-of-data-on-my-sandisk-4tb-drive/417612 "2026-05-09T05:43:58Z")
My SanDisk 4TB Extreme Pro SSD is not showing a folder where I have most of my files. Model of the SanDisk SSD is SDSSDE81-4T00. The SanDisk 4TB drive is always connected to my Windows 11 laptop. There is no lost and fou… --- ## [Trouble Detecting SanDisk Extreme Portable SSD](https://forums.sandisk.com/t/trouble-detecting-sandisk-extreme-portable-ssd/233077)
**Author:** [@norafateh](https://forums.sandisk.com/u/norafateh)\ **Replies:** 14\ **Last updated:** [April 29, 2026, 9:56am UTC](https://forums.sandisk.com/t/trouble-detecting-sandisk-extreme-portable-ssd/233077 "2026-04-29T09:56:26Z")
I recently acquired a SanDisk Extreme Portable SSD, but I’m encountering an issue where it’s not being detected by any of my devices. I’ve tried different ports and cables, but to no avail. Through Mcdvoice homepage, c… --- ## [Fix for "File or directory is corrupted and unreadable” error in WIndows](https://forums.sandisk.com/t/fix-for-file-or-directory-is-corrupted-and-unreadable-error-in-windows/244031)
**Author:** [@gfriedmann](https://forums.sandisk.com/u/gfriedmann)\ **Replies:** 7\ **Last updated:** [April 29, 2026, 9:09am UTC](https://forums.sandisk.com/t/fix-for-file-or-directory-is-corrupted-and-unreadable-error-in-windows/244031 "2026-04-29T09:09:39Z")
It seems my SanDisk Portable Drive had started giving me an error message in MS Windows that read, “file or directory is corrupted and unreadable.” I also had some files disappear when I was moving them from one compute… --- ## [Sandisk Extreme 2TB SDSSDE61 Seen in USB Biut Not In Disk Utility Mac OS 12.4](https://forums.sandisk.com/t/sandisk-extreme-2tb-sdssde61-seen-in-usb-biut-not-in-disk-utility-mac-os-12-4/224925)
**Author:** [@rtsy](https://forums.sandisk.com/u/rtsy)\ **Replies:** 3\ **Last updated:** [April 25, 2026, 2:07pm UTC](https://forums.sandisk.com/t/sandisk-extreme-2tb-sdssde61-seen-in-usb-biut-not-in-disk-utility-mac-os-12-4/224925 "2026-04-25T14:07:28Z")
I just bought the Sandisk Extreme 2TB SDSSE61-2TOO. If I plug it using the USB-C cable that came with the SSD in the box into my 2021 M1 Max MacBook Pro 16", I can see the Portable External SSD in About This Mac/Overview… --- ## [Why Is My Pendrive Not Working and How to Fix It](https://forums.sandisk.com/t/why-is-my-pendrive-not-working-and-how-to-fix-it/417964)
**Author:** [@baltierra\_barbara](https://forums.sandisk.com/u/baltierra_barbara)\ **Replies:** 2\ **Last updated:** [April 24, 2026, 9:29am UTC](https://forums.sandisk.com/t/why-is-my-pendrive-not-working-and-how-to-fix-it/417964 "2026-04-24T09:29:42Z")
If your pendrive isn’t working, it could be due to corrupted drivers, file system errors, or a faulty USB port. Try updating or reinstalling USB drivers, running a repair tool like CHKDSK, or using a different port or co… --- ## [SanDisk Extreme PRO Portable SSD - 4TB lost when NotePC resume from Modern standby](https://forums.sandisk.com/t/sandisk-extreme-pro-portable-ssd-4tb-lost-when-notepc-resume-from-modern-standby/418186)
**Author:** [@Cun](https://forums.sandisk.com/u/Cun)\ **Replies:** 4\ **Last updated:** [April 23, 2026, 4:05am UTC](https://forums.sandisk.com/t/sandisk-extreme-pro-portable-ssd-4tb-lost-when-notepc-resume-from-modern-standby/418186 "2026-04-23T04:05:10Z")
I met an issue :SanDisk Extreme PRO Portable SSD - 4TB lost when NotePC resume from Modern standby My NotePC is Gen2 x2 Type-C design issue reproduce process: Step1: Connect SanDisk Extreme PRO Portable SSD - 4TB to … [Next page](https://forums.sandisk.com/c/portable-ssd/44.md?page=1)