USA Seller This 4GB IDE 44 PIN 2.5 Inch SSD CF Card & Adapter plugs into the Laptop Hard Drive Port of your Computer to replace Worn OutDTNA-22160vintage 2.5 inch IDE Laptop hard drives. Geometry is 7751 Cylinders 16 Heads 63 Sectors NO LBA so you can Exactly replaceDTNA-22160with CHS parameters of 4200 cy 16 hd 63 sectors if your BIOS can be set to fixed and not auto detect. Or with Auto detect upgrade to 4GB. Transfer rate is ATA-66. Small Square of Velcro included to secure in place since MOUNTING HOLES DO NOT MATCH HARD DRIVE.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. CF Model & Manufacturer may vary.. 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 +++