HP 128MB - (2) 64MB FPM 72-pin SIMMs - 60ns. For use on HP 9000 700J Workstation J200\210\280, B-Class Workstation B132L\132+\160L,180L, C-Class Workstation C160\160L\180\180/XP 3000 Series 9X9 Model 979KS, 969KS, 959KS, 939KS 9000 R-Class Server R390/0, R390/2, R380/1, R380/2 9000 SERIES 800 BUSINESS SERVER K570,K460, K450, K420, K410, K400, K380, K370, K360, K260, K250, K220, K210, K200, K100. Comes in a set of (2) 64MB sticks.