TWINX2048-3200PRO CORSAIR XMS 2GB (2 x 1GB) 184-Pin DDR SDRAM Unbuffered DDR 400 (PC 3200) Dual Channel Kit System Memory - Retail Corsair Microsystems Inc. electronics memory CAS latency 2, 2-3-3-6 timing, 2.75v, unbuffered, heat-spreader 185 5 true VS1GB400C3 CORSAIR ValueSelect 1GB 184-Pin DDR SDRAM Unbuffered DDR 400 (PC 3200) System Memory - Retail Corsair Microsystems Inc. electronics memory 74.99 7 true VDBDB1A16 A-DATA V-Series 1GB 184-Pin DDR SDRAM Unbuffered DDR 400 (PC 3200) System Memory - OEM A-DATA Technology Inc. electronics memory CAS latency 3, 2.7v 5 true