Compatible with the following: HP/Compaq NetServer E200 HP/Compaq NetServer E800 HP/Compaq NetServer LC 2000 HP/Compaq NetServer LC 2000r HP/Compaq NetServer LE 486DX/33 HP/Compaq NetServer LE 486DX2/66 HP/Compaq NetServer LE 486SX/33 HP/Compaq NetServer LH 3000 HP/Compaq NetServer LH 3000r HP/Compaq NetServer LH 6000/6000r HP/Compaq NetServer LP 1000r HP/Compaq NetServer LP 2000r HP/Compaq NetServer LP 6000r HP/Compaq Server TC2100(Celeron) HP/Compaq Server TC2100(PIII) HP/Compaq Server TC3100 HP/Compaq Server TC4100