Cần tư vấn về máy IBM IntelliStation M Pro 6225 4J7, Nâng cấp sao cho hiệu quả ?

Product MPN
MPN 622532U
Key Features
Form Factor
Mini Tower
Processor Intel Pentium 4 3.8 GHz
Chipset
Intel 925X Express
Installed Memory 1 GB (DDR2 SDRAM)
Operating System
Microsoft Windows XP Professional
Recommended Use Corporate Business, Small Business
Processor
Processor Type
Intel Pentium 4
Processor Speed
3.8 GHz
Processor Manufacturer Intel
Installed Qty 1
Max Processors Qty. 1
Motherboard
Bus Speed 800 MHz
Video Output Interface PCI Express
Memory
RAM Technology DDR2 SDRAM
Installed RAM
1GB
Max Supported RAM 4 GB
Number of Memory Slots 4 x DIMMs
Installed Video Memory 128 MB
Supported RAM Speeds 400 MHz
Installed Cache Memory 1 MB
Technical Features
Integrated Input/Output Ports USB 2.0 x 8 • Serial Port x 2 • RJ45 Lan Port x 1 • Parallel Port (ECP/EPP/SPP) x 1
Expansion Bays 2 x 5.25" (External Access) • 1 x 3.5" (Internal Access) • 2 x 3.5" (External Access)
Expansion Slots PCI Express x16 x 1 • PCI Express x1 x 1 • PCI x 2
Power Configurations Wake On LAN Header
Other Features Hyper Thread Technology Ready • Dual Channel Memory Architecture
Hard Drive
Hard Drive Capacity
80 GB
Hard Drive Interface Serial ATA
Hard Drive Rotation Speed 7,200 RPM
Controller Type Serial ATA • DMA/ATA-100 (Ultra)
CD / DVD
DVD combo
Audio / Video
Audio Input Microphone Jack • 1 x Line In
Audio Output Type Sound Card • Headphones • Line out
Integrated Audio AC97 Audio Codec
Max. Video Resolution 3840 x 2400
Networking
Networking Type Integrated 10/100/1000 Network Card
Data Link Protocol Ethernet • Fast Ethernet • Gigabit Ethernet

Cho mình hỏi cấu hình này cần nâng cấp ram và card màn hinh ko, có cần gắn thêm cái quạt đằng sau ko mình chỉ chơi game online
nếu nâng cấp card màn hình thì nâng cấp loại nào cho thích hợp và ram nào cho thích hợp

Cám ơn!

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