Unisys Corp is offering its first SCS interface disk drives first to users of its A and V Series mainframes and says they expand by up to 10 times the base storage capacity of their predecessors in the same floor space. The M9710 is an 8 drive with thin film heads and embedded SCSI controller, transferring at 3Mbytes-per second, and stores 1.348Gb. Ships next month for A1 to A10, first quarter 1989 for Vs and June for A12 to A17; prices start at from $44,000. A and V series users are also offered the 5073/0899 controller/dual drive tape system, an Automatic Cartridge Loader for up to six tapes for it, and the 2145 GCR table top unit. Ships of all of tape products start this quarter and the 5073/0899 is $165,264 for one controller, four transports, and one host interface. The loader is $8,900 and the 2145 GCR is $17,500 for V users; it was announced for the low-end A Series and Unisys Unix systems in March.