M52

Processor
Intel Celeron D 2.53GHz to 3.2GHz, Prescott processors

Intel Pentium 4 2.66GHz to 3.6GHz, Prescott processors

Intel Pentium D 2.8GHz to 3.2GHz, Smithfield processors

Intel Pentium D 2.8GHz to 3.4GHz, Presler processors

Memory
256MB, 512MB, 1GB, or 2GB

supports up to 4GB maximum memory

Hard drive
40GB, 80GB, or 160GB

Graphics
Integrated Intel Graphics Media Accelerator 950

CD and DVD drive
48x CD-ROM

16x DVD-ROM

48x32x48x16x CD-RW/DVD combo

Multi-Burner Plus 16x

Networking
Intel PRO/1000 GT Network Connection

Security
Chassis intrusion switch (select models)

Promise of Value (POV)

Operating System
Microsoft Windows XP Home Edition

Microsoft Windows XP Professional

Source
https://support.lenovo.com/us/en/solutions/pd000810