I have a LCD montier and i have a good mouse and two 400g HD already.
Memory: G.SKILL 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory Model F2-6400CL5D-2GBNQ - Retail
Processor: AMD Phenom 9850 BLACK EDITION 2.5GHz Socket AM2+ 125W Quad-Core Processor Model HD985ZXAGHBOX - Retail
Graphics card: MSI RX3870-T2D512E OC Radeon HD 3870 512MB 256-bit GDDR4 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Retail
Keyboard: Microsoft Natural 4000 B2M-00012 Black USB Wired Ergonomics Keyboard - Retail
Is all this stuff compatable and if im missing some stuff what else do i need to buy
You need DVD+RW. After you assemble the computer you will see what is needed yet. Maybe its a flash-card reader, an usb-bluetooth dongle etc.
XION GAMING 850W 140mm Blue LED Fan Power Supply PCI-E 6+2p SATAx6 dual ATX 12V, 550 W Watt 20+4-pin Dual-Fan ATX Power Supply w/SATA, RoadPro 10" Dual Powered Portable Fan 12V or D Cell Battery RP73002 , PoWork 650W 20+4-pin Dual-Fan ATX Power Supply w/SATA &, A-Power AGS 550W 20+4-pin Dual-Fan ATX Power Supply w/S, A-Power 450W 20+4-pin Dual-Fan ATX Power Supply w/SATA & PCIe, NEW Enlight 430W ATX 12V Dual-Rail 80mm Cooling Fan 4x SATA PCIe PC Power Supply, Dell PowerConnect 6024 24-port Switch! Dual Power/Dual Fan!, CoolMax CTI-600B 20+4 pin 600W Power Supply Dual 80mm Fan W/PCIe, CoolMax CTI-700B 20+4Pin 700W ATX Power Supply Dual 80mm Fan W/ PCIe, Hercules Black ATX Dual Fan 600W Silent Power Supply PSU w/20-24pin SATA PCI-E, A Power APVA600-A-Power 600W 20+4-pin Dual-Fan ATX Power Supply w/SATA & PCIe - , A-Power 600W 20+4-Pin Dual-Fan Atx Power Supply with Sata and PCIe , NEW 400 WATT POWER SUPPLY W/9 X-CONNECT CABLES TITANIUM FINISH DUAL 80mm FANS, M1000E STORAGE ENCLOSURE W I-KVM DUAL CMC QTY 6 2360 WATT POWER SUPPLYS 9 FANS , NEW 600W 20/24 pin Dual-Fan ATX PSU SATA Power Supply, NEW 600W 20/24 pin Dual-Fan ATX PSU SATA Power Supply, New 600W 20+4 pin Dual-Fan ATX Power Supply PCI-E SATA I5/I7 , RoadPro Dual Powered 10" PORTABLE FAN 12v / Battery RV Camping Truck RP73002 NEW, Coolmax CUL-850B 850W ATX Power Supply 140mm Fan+Dual PCIe Connectors, *NEW* Antec Dual Fan SmartPower 2.0 SP 450 Power supply 450 Watt Quiet Operation, A-Power AGS 620W 20+4-pin Dual-Fan ATX Power Supply w/S, A-Power 600W 20+4-pin Dual-Fan ATX Power Supply w/SATA, WT550i, 550 Watt Dual Fan (High Quality) Power supply , Apple Rear exhaust case Dual Cooling Fans Power Mac G5, TARGUS LAPTOP CHILL MAT DUAL FAN COOLING SYSTEM USB PORT POWERED MODEL PA248 , A-Power 600W 20+4-pin Dual-Fan ATX Power Supply w/SATA & PCIe Connectors, NEW 680W 20/24 pin Dual-Fan ATX PSU SATA Power Supply, Blue Star 580W 20+4pin Dual-Fan ATX Power Supply w/SATA, Blue Star 450W 20+4pin Dual Fan ATX Power Supply w/SATA, A-Power APVA450 20+4-pin Dual-Fan 450W ATX PSU W/SATA & PCIe, A-Power APVA600 20+4-pin Dual-Fan 600W ATX Power Supply W/PCIe & SATA, Cisco WS-C6509: Cisco Catalyst 6509 with Dual Power and Fan Tray (Warranty), Blue Star ES-450-D-Blue Star 450W 20+4-pin Dual-Fan ATX Power Supply w/SATA - Ki, 480W Dual Fan Power Supply, Logisys 480W Dual Fan 20+4 Pin ATX Power Supply 20/24, Blue Star 550W 20+4-pin Dual-Fan ATX Power Supply SATA, NEW 680W 20/24 pin Dual-Fan ATX PSU SATA Power Supply, DUAL COOLING FANS 115 VAC 50/60 HZ VERY GOOD CONDITION WITH POWER CORD, Thermaltake TR2-430 Dual Fan 430W ATX Form System Power Supply W0070RU, A Power AGS620-A-Power AGS 620W 20+4-pin Dual-Fan ATX Power Supply w/SATA - Kit, Delta DUAL-FAN 1U 350W EPS12V Server Power Supply 24PIN, A-Power APVA600 600W Watt ATX Computer Power Supply Dual Fan SATA PCIe, New Dual Fan 600 Watt ATX Switching Power Supply PSU, LOGISYS 480W DUAL FAN ATX POWER SUPPLY-20/24-WITH POWER CORD-NEW, Targus Chill Mat AWE39US1~ PC, Mac, Netbook, Dual Fans, USB Powered ~NEW SEALED, NEW Thermaltake W0070RUC 430W Dual Fan Power Supply, A-Power APVA600 600W Watt ATX Computer Power Supply Dual Fan SATA PCIe, Thermaltake W0070RUC-430W Dual Fan Power Supply - Kit, Cisco WS-C6503-E Chassis with dual power and one fan tray supply ,