Some offer Auto sense technology so it will work within older SATA I (1.5 Gb/s) or SATA II (3.0 Gb/s) or SATA III (6.0 Gb/s) based systems in some cases only SATA II and SATA III. Many of the current generation SSD’s are Fixed SATA III (6.0 Gb/s) speed.
Your system only has a SATA II (3.0 Gb/s) SATA port so the SSD you use must be able to run at this I/O speed.