HP Pavilion a1340n:
Pentium4 640 (P) HT 3.2 GHz.
800 MHz front side bus. Socket 775Chipset
Memory 1 GB (1 x 1 GB) Max 2 GB PC2-4200, DDR2 SDRAM
ATI Radeon Xpress 200 for Intel Processors
Integrated -256 MB of allocated video memory
Hard drive 250 GB SATA 7200 rpm
16X DVD(+/-)R/RW (+/-)R DL LightScribe drive
PCI Three (Two available) PCI Express x16 One (One available) DIMM Slots Two (One available).

OR

Gateway gt5238e:
Intel® Core™ 2 Duo E6300 (dual core) 64-bit processor. Each 1.86 GHz .
1066 MHz front side bus. Shared 2 MB L2 cache.
Memory 1024 MB DDR2 (PC4200), 533 MHz memory (two 512 MB modules) Max: 8 GB
Video Intel Graphics Media Accelerator X3000-up to 224 MB DDR shared video memory.
Hard Drive 250 GB, 7200 RPM, Serial ATA II hard drive with 8 MB cache
Optical Drive DVD +/- RW, 16X multi-format dual layer optical drive (up to 8.5 GB)
Add-In Card Slots- One PCI Express ×16. One PCI Express ×1. Two PCI .

Thank you!