Features
- 4TB capacity, 3.5" SATA III
- 2K RPM, 128MB cache
- Up to 600MB/s data transfer
- Refurbished to Grade A, tested
- Model ST4000NM0033
The Seagate ST4000NM0033 is a 4TB enterprise-class hard drive with a 3.5-inch SATA III interface, a 7.2K RPM spindle and a 128MB cache. Seagate gives a transfer rate of up to 600MB/s.
This is a refurbished drive, refurbished to Grade A standard, fully tested, and it comes with a warranty. It is an enterprise server drive, not one of the SkyHawk surveillance models, so we do not call it a surveillance drive. It suits servers and desktops, and it is also used in DVR and NVR recorders.
A 4TB drive is a big step up for a recorder that has been running on 1TB or 2TB. It keeps a longer run of footage before old recordings are overwritten, which helps when you are keeping a system going and want a deeper history without changing the recorder.
Copy off any footage you need to keep before you swap a drive, because formatting wipes it. Before you order, check your recorder's manual for the largest drive size it accepts and whether it lists the drive type. Fit the drive with the recorder switched off and mains power removed, then format it from the recorder's own menu so it can start recording.
Check also that your recorder's firmware supports a drive of 4TB, since some older units stop at a lower limit.
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