HP COMPAQ 621 MOTHERBOARD – SAI LAPTOP SERVICE PRODUCTS SPECIFICATION : Mode number321 421 621 620Pert number605746-001Graphics Card Typenon-integratedMemory TypeDDR3Chipset ManufacturerintelHard drive interfaceSATAsocket no.mPGA478MNTestedyesLead timeWithin 1-3 working days AVAILABLE WIDE RANGE OF NEW ORIGINAL HP LAPTOP MOTHERBOARDS; HP 4420 PMHP 1000 /hp12000 AMD WITH CPUHP 14B U52 AMDHP 15 – R62 GMHp 15 J 720565-501Hp 15 J with CPUHP 15 LA B151PHP 15 U93Hp 15Ac La C781pHP 15D INTEL WITH CPUHP 15D INTEL WITHOUT CPU 3rd genreHP 15G LA A996PHP 2000 /CQ58 HM 70 GREENHP 248 G1 INBUILT GMHP 2530P INBUILT CPU LA-4021PHP 2540P INBUILT i5 GM LA-5251PHP 2710P INBUILT CPU DD2HP 2730P INBUILT CTO D 501483-001HP 4230S I3 GMHP 430 G1 INBUILT I5HP 4320S GMHP 4410 GM DDR2HP 4410S DDR3 C2D GMHP 4420S DASX616E0HP 4430S GM 6050A2465101–A02Hp 4440s/4540S INTEL GMHP 4515 AMDHP 4530S GM 658431-001Hp 510HP 540 C2D PMHP 540/ 6720s/hp 550 eSata DVDHP 6450B la 4892pHP 6530B C2D