USA SellerThis 4GB 40 PIN IDE SSD Card & Adapter plugs onto the IDE cable to replace Worn Out ST32111A vintage 3.5 inch IDE hard drives. Geometry is 7751Cylinders 16 Heads 63 Sectors so you can Exactly replace a ST32111A hard drive with the parameters 4092-16-63 if your BIOS is fixed and not auto detect. Or with Auto detect upgrade a smaller capacity 3.5 inch IDE to 4GB SSD. Tested good before shipping. ASK QUESTIONS BEFORE BUYING as NOTHING CAN BE CHANGED once purchased and paid for. Listing is for 1 drive each at this price. No trays are included all drives are bare drives. No local pickups allowed.Drives are Completely Blank and will need partition and format or operating system installed to be a working drive to the computer. You may have to set computer BIOS to boot from removable.Reviews:- Amazing device! Fast shipping and packaged very well. I had no idea anything like this existed and it has turned at 25+ year old laptop into amazing retro machine. Very recommended!!-They are a great upgrade from the old IDE drives installed in vintage pc works no issues delivered on time A +++