Free the Drive Inside a Seagate Expansion
Open the enclosure, remove the bridge, and verify the Exos-class drive inside
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To shuck a Seagate Expansion Desktop: power it off, pry the plastic seam open with a plastic tool, release the clips, slide out the drive-and-caddy, and unplug the USB bridge. Seagate drives rarely have the 3.3V pin issue, so the bare drive usually powers straight up. SMART-check and surface-test the Exos or BarraCuda-class drive before adding it to a NAS.
Shucking a Seagate Expansion, step by step
Seagate cases open like the WD ones, with clips along the seam.
- Power down and unplug the Expansion. Rest it on a soft surface.
- Work a plastic pry tool or card along the seam to pop the snap clips around the edge.
- Lift out the drive-and-caddy assembly and unplug the USB-to-SATA bridge from the drive.
- Unscrew the bare 3.5-inch drive from the caddy and remove any rubber mounts.
- Install the drive in your NAS or PC. Seagate drives usually power up without the pin fix, but keep a Molex-to-SATA adapter handy just in case.
- Open CrystalDiskInfo to confirm the model (Exos, IronWolf or BarraCuda class) and Good health, then run a full surface test before storing data.
What you will find inside
Seagate Expansion Desktop of 12TB and up typically holds a CMR drive in the Exos or IronWolf class, which is excellent for NAS. The 8TB and smaller units can be SMR BarraCuda (ST8000DM004), which is fine for cold storage but poor for RAID; the shucking list flags which capacities are safe.
Seagate Expansion externals, by price per TB
Renewed, refurbished and used listings
Shown for reference. These are not counted in the best price per TB above, and warranty terms differ from new drives.
Frequently asked questions
Does a Seagate Expansion need the 3.3V pin fix?
Rarely. Unlike many WD drives, Seagate Expansion drives usually power up normally after shucking. If one does not, a Molex-to-SATA adapter without a 3.3V line or the pin-3 tape fix will solve it.
Is a shucked Seagate Expansion CMR?
At 12TB and above, almost always: they hold Exos or IronWolf-class CMR drives that are ideal for NAS. The 8TB and smaller units are often SMR (BarraCuda ST8000DM004), so stick to the higher capacities for RAID.
Seagate Expansion or WD Elements to shuck?
Both are strong. Seagate avoids the 3.3V pin hassle and its high-capacity units are Exos-class; WD Elements and easystore hold Red Plus or Ultrastar-class drives. Let the live tracker's price per terabyte decide on the day.