Build your system with this Pentium 4 3.40 GHz DIY Kit! A Biostar motherboard, Pentium 4 3.40 GHz CPU, 512 MB DDR2 DIMM, Intel heat sink and fan and thermal grease compound are included with this fantastic kit! This Biostar P4M800 Pro-M7 motherboard features the VIA P4M800 Pro + VT8237R chipset, with support for 1066 MHz front side bus, Dual-Core processors and up to 2 GB of DDR2 SDRAM! Serial ATA, IDE and floppy controllers are integrated for installing a variety of drives. The VIA S3 UniChrome integrated graphics is ready for fast gaming and DVD playback. Listen to high fidelity sound with the Realtek ALC655 6-Channel AC97 CODEC and network with the Realtek RTL8201 CL 10/100 LAN! The Intel Pentium 4 3.40 GHz processor 550 is a Socket 775 CPU that features 800 MHz bus speeds and a 1 MB L2 Cache. With a copper core aluminum heat sink and a 3.5-inch fan, this Intel heat sink and fan will keep your Socket 775 CPU running at optimal temperatures! This kit also includes a silicone grease thermal compound to help dissipate heat between the CPU and heat sink. Installation is easy, just add these components into your case, plug in the monitor and peripherals and load the operating system! Upgrade to a powerful system and get this Pentium 4 3.40 GHz DIY (Do it Yourself) Kit today!