BPC-500 is Wall Mount Type industrial Box PC with 3 PCI slots It has CD-ROM Drive, FDD, 3.5" HDD and so on. It also has " Dust Filter" for Cooling System for harsh environment. *** Features ***ㆍCPU : Intel N270 1.6GHz with 512K CacheㆍChipset : Intel 945GSE/ICH7-M ChipsetㆍMemory : DDR2 533 SODIMM 1G (max up to 2GB)ㆍLAN : 1 x RJ45 Gigabit EthernetㆍAudio : Line-out , Mic-inㆍCF card socket : One internal compactFlash type II SocketㆍI/O Ports : DVI-I, 2 x COM (RS232/422/485), DIO x 1 SATA x 1, 2 x USB, Audio(Line-out, Mic-in)ㆍOperating Temperature : 0°C~55°CㆍStorage Temperature : -40°C~80°CㆍPower input : -Input : 100~240V 50/60Hz -Out Put : 30W, 12V DC, 2.5AㆍStorage : 1 x 2.5” SATA HDD or Compact Flash Type IIㆍOverall Dimensions : 170(W) x 47(H) x 110(D)mm