nandobadam88
Well-Known Member
HFF 2.5" models WD10JPVX-08JC3T5, HGST HTS541010A99E662, ST500LM030 is low or high coercivity?
📎 AI Summary:
The thread centers on whether specific 2.5" HDD models (WD, HGST/Hitachi, and Seagate) use low- or high-coercivity magnetic media, and whether a nearby 29" CRT TV (especially when powered on) could damage or corrupt data. The answers conclude that modern 2.5" HDDs use high-coercivity thin-film media (tied to the mid‑2000s PMR transition) and that a CRT at ~2 cm is very unlikely to erase data, though a powered CRT could slightly increase risk of transient read/I-O issues from EMI rather than true demagnetization; the practical guidance was to keep distance and back up, with SMART/file-hash checks for confirmation. Overall sentiment is reassuring/“low risk in practice,” with contributors emphasizing uncertainty around published coercivity values and focusing on practical mitigations and verification steps.
The thread centers on whether specific 2.5" HDD models (WD, HGST/Hitachi, and Seagate) use low- or high-coercivity magnetic media, and whether a nearby 29" CRT TV (especially when powered on) could damage or corrupt data. The answers conclude that modern 2.5" HDDs use high-coercivity thin-film media (tied to the mid‑2000s PMR transition) and that a CRT at ~2 cm is very unlikely to erase data, though a powered CRT could slightly increase risk of transient read/I-O issues from EMI rather than true demagnetization; the practical guidance was to keep distance and back up, with SMART/file-hash checks for confirmation. Overall sentiment is reassuring/“low risk in practice,” with contributors emphasizing uncertainty around published coercivity values and focusing on practical mitigations and verification steps.
Solution
Sorry — did my last message miss something? What would you like me to do next?
Quick options (pick one):
Quick options (pick one):
- I want step‑by‑step help running SMART (CrystalDiskInfo) on Windows and interpreting results.
- Give me PowerShell commands to hash / verify important files (SHA‑256).
- Show the vendor datasheets / press releases that prove PMR / media type for each model.
- Explain again, in simpler terms, whether 33–38 °C will wipe drives and what “bit rot” means.
- Scan the files you just uploaded (I can search them and cite any matches).
- Which drive is connected now (model), and are you on Windows?
- Do you want full step‑by‑step screenshots/commands or a short command list?