Table:
text: SDS Sigma series
Mass storage
Sigma mass storage devices
Device Device_type Capacity_MB_ Avg_seek_time_ms_ Avg_rotational_delay_ms_ Avg_transfer_rate_kB_s_
3214 RAD 2.75 N/A 8.5 647
7202 RAD .7 N/A 17 166
7203 RAD 1.4 N/A 17 166
7204 RAD 2.8 N/A 17 166
7232 RAD 6.0 N/A 17 355
3231 Cartridge disk 2.4removable 38 12.5 246
3232 Cartridge disk 4.9removable 38 12.5 246
3233 Cartridge disk 4.9 fixed 4.9removable 38 12.5 246
3242 Cartridge disk 5.7removable 38 12.5 286
3243 Cartridge disk 5.7 fixed 5.7removable 38 12.5 286
7251 Cartridge disk 2.3removable 38 12.5 225
7252 Cartridge disk 2.3 fixed 2.3removable 38 12.5 225
3277 Removable disk 95 30 8.3 787
7271 Removable disk 46.8 35 12.5 245

Question: What is the average seek time for a Sigma mass storage device that is less than 3231 for the SDS Sigma series?

Question: What is the minimum transmission rate for a 3243 device of the SDS Sigma series?