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Question

 

Does the ThinkPad T420s use a 2.5" hard drive or a 1.8" hard drive?  When considering upgraded capacity drives, the physical drive package - whether 1.8" or 2.5" and whether 7mm or 9.5mm in thickness is important to know.

 

 

Answer

 

SSD drive.gifThe ThinkPad T420s uses / requires a 2.5", 7mm high drive.  The PSREF sheet specs for both SSD and conventional rotating media drives:

 

Some: Solid State Drive (SSD) / SATA 3.0Gb/s, 2.5" wide, 7mm high
Some: Hard Disk Drive / SATA 3.0Gb/s, 2.5" wide, 7mm high, Active Protection System™

 

Note that the standard T420 model accepts 7mm or 9.5mm thick drives.

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Comments
bisja01

Although the T420s ships with 7mm drives, isn't the hard drive slot actually 8mm?