HP-Compaq 2x2GB DDR PC2100 Registered ECC Dual Kit Pins: 184 Voltage: 2.5V Frequency: 266MHz Ranks: 2 Compatible Products A8089B (HP/Compaq); AB224A (HP/Compaq) Compatible Systems HP-Compaq StorageWorks NAS 4000s StorageWorks NAS b2000 v2 StorageWorks NAS b3000 v2 StorageWorks NAS e7000 v2 Workstation C8000 Workstation zx6000 HP-Compaq 9000 Servers 9000 rp3440 HP-Compaq Integrity Integrity BL60p Integrity cx2600 Integrity cx2620 Integrity rx1600 Integrity rx1620 / rx1620-2 Integrity rx2600 Integrity rx2620 Integrity rx4640 Integrity rx5670 HP-Compaq Proliant ProLiant BL20p G2 ProLiant BL30p ProLiant BL40p ProLiant DL360 G3 ProLiant DL380 G3 ProLiant DL560 ProLiant DL580 G2 ProLiant DL585 ProLiant ML150 ProLiant ML350 G3 ProLiant ML370 G3 ProLiant ML530 G2 ProLiant ML570 G2