| HP ProBook 4520s (XY037ES) | |
|  | OS:  Linux Display: 15.6-inch, 1366x768, widescreen Processor: Celeron 2000 MHz Hard Drive Size: 320 GB Serial ATA | 
|  HP ProBook 4520s (XY037ES) | |
| HP ProBook 4520s (XX974EA) | |
|  | OS:  Win 7 Home Premium Display: 15.6-inch, 1366x768, widescreen Processor: Core i3 2530 MHz Hard Drive Size: 640 GB Serial ATA | 
|  HP ProBook 4520s (XX974EA) | |
| HP ProBook 4520s (XX973EA) | |
|  | OS:  Win 7 Home Basic Display: 15.6-inch, 1366x768, widescreen Processor: Core i3 2530 MHz Hard Drive Size: 500 GB Serial ATA | 
|  HP ProBook 4520s (XX973EA) | |
| HP ProBook 4520s (XX932EA) | |
|  | OS:  Linux Display: 15.6-inch, 1366x768, widescreen Processor: Core i3 2400 MHz Hard Drive Size: 640 GB Serial ATA | 
|  HP ProBook 4520s (XX932EA) | |
| HP ProBook 4520s (XX864EA) | |
|  | OS:  Linux Display: 15.6-inch, 1366x768, widescreen Processor: Core i5 2660 MHz Hard Drive Size: 500 GB Serial ATA | 
|  HP ProBook 4520s (XX864EA) | |
| HP ProBook 4520s (XX846EA) | |
|  | OS:  Win 7 Home Premium Display: 15.6-inch, 1366x768, widescreen Processor: Core i3 2530 MHz Hard Drive Size: 640 GB Serial ATA | 
|  HP ProBook 4520s (XX846EA) | |
| HP ProBook 4520s (XX845EA) | |
|  | OS:  Win 7 Home Basic Display: 15.6-inch, 1366x768, widescreen Processor: Pentium 2130 MHz Hard Drive Size: 320 GB Serial ATA | 
|  HP ProBook 4520s (XX845EA) | |
| HP ProBook 4520s (XX823EA) | |
|  | OS:  Linux Display: 15.6-inch, 1366x768, widescreen Processor: Celeron 2000 MHz Hard Drive Size: 320 GB Serial ATA | 
|  HP ProBook 4520s (XX823EA) | |
| HP ProBook 4520s (XX822EA) | |
|  | OS:  Linux Display: 15.6-inch, 1366x768, widescreen Processor: Celeron 2000 MHz Hard Drive Size: 250 GB Serial ATA | 
|  HP ProBook 4520s (XX822EA) | |
| HP ProBook 4520s (XX785EA) | |
|  | OS:  Win 7 Home Premium Display: 15.6-inch, 1366x768, widescreen Processor: Core i3 2530 MHz Hard Drive Size: 320 GB Serial ATA | 
|  HP ProBook 4520s (XX785EA) | |
| HP ProBook 4520s (XX775EA) | |
|  | OS:  Win 7 Professional Display: 15.6-inch, 1366x768, widescreen Processor: Core i5 2660 MHz Hard Drive Size: 320 GB Serial ATA | 
|  HP ProBook 4520s (XX775EA) | |
| HP ProBook 4520s (XX762EA) | |
|  | OS:  Linux Display: 15.6-inch, 1366x768, widescreen Processor: Core i5 2660 MHz Hard Drive Size: 640 GB Serial ATA | 
|  HP ProBook 4520s (XX762EA) | |
| HP ProBook 4520s (XX761EA) | |
|  | OS:  Linux Display: 15.6-inch, 1366x768, widescreen Processor: Core i3 2530 MHz Hard Drive Size: 640 GB Serial ATA | 
|  HP ProBook 4520s (XX761EA) | |
| HP ProBook 4520s (XX760EA) | |
|  | OS:  Linux Display: 15.6-inch, 1366x768, widescreen Processor: Pentium 2130 MHz Hard Drive Size: 320 GB Serial ATA | 
|  HP ProBook 4520s (XX760EA) | |
| HP ProBook 4520s (XX759EA) | |
|  | OS:  Linux Display: 15.6-inch, 1366x768, widescreen Processor: Celeron 2000 MHz Hard Drive Size: 250 GB Serial ATA | 
|  HP ProBook 4520s (XX759EA) | |
| HP ProBook 4520s (XX756EA) | |
|  | OS:  Linux Display: 15.6-inch, 1366x768, widescreen Processor: Core i3 2530 MHz Hard Drive Size: 320 GB Serial ATA | 
|  HP ProBook 4520s (XX756EA) | |
| HP ProBook 4520s (XX755EA) | |
|  | OS:  Win 7 Home Basic Display: 15.6-inch, 1366x768, widescreen Processor: Core i3 2530 MHz Hard Drive Size: 500 GB Serial ATA | 
|  HP ProBook 4520s (XX755EA) | |
| HP ProBook 4520s (XX752EA) | |
|  | OS:  Linux Display: 15.6-inch, 1366x768, widescreen Processor: Core i3 2530 MHz Hard Drive Size: 640 GB Serial ATA | 
|  HP ProBook 4520s (XX752EA) | |
| HP ProBook 4520s (XN679ES) | |
|  | OS:  Win 7 Home Basic Display: 15.6-inch, 1366x768, widescreen Processor: Core i3 2400 MHz Hard Drive Size: 320 GB Serial ATA | 
|  HP ProBook 4520s (XN679ES) | |
| HP ProBook 4520s (XN678ES) | |
|  | OS:  Win 7 Home Basic Display Size: 15.6-inch, 1366x768, widescreen Processor: Pentium 2000 MHz Hard Drive Size: 320 GB Serial ATA | 
|  HP ProBook 4520s (XN678ES) | |