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| Product | Lenovo H520s (Core i5 3330 3 GHz : none.) | Lenovo H430 (Core i5 3330 3 GHz : none.) | Dell OptiPlex 7010 (Core i5 3470 3.2 GHz : none.) | Apple Mac Pro (Xeon E5620 2.4 GHz : none.) |
| Price | $472.78 to $837.69 | $555.99 to $603.99 | $613.81 to $655.04 | $6,748.89 |
| CNET editors' rating | Info unavailable | Info unavailable | Info unavailable | Info unavailable |
| Average user rating | 0 stars | 0.5 stars | 0 stars | 5 stars |
| Release date | Info unavailable | Info unavailable | Info unavailable | Info unavailable |
| Bottom line | Info unavailable | Info unavailable | Info unavailable | Info unavailable |
| Product Description | - 3rd Gen Core i5 Lenovo H520s i5-3330 3 GHz - Monitor : none. | - 3rd Gen Core i5 Lenovo H430 i5-3330 3 GHz - Monitor : none. | - 3rd Gen Core i5 Dell OptiPlex 7010 i5-3470 3.2 GHz - Monitor : none. | Mac Pro Apple Mac Pro - Xeon E5620 2.4 GHz - Monitor : none. |
| Packaged Quantity | 1 | 1 | 1 | 1 |
| Type | Personal computer | Personal computer | Personal computer | Personal computer |
| Product Form Factor | Small form factor | Tower | Desktop | Tower |
| Dimensions (WxDxH) | 4.1 in x 14.2 in x 12 in | 6.9 in x 16.9 in x 14.5 in | 4 in x 16.1 in x 14.2 in | 8.1 in x 18.7 in x 20.1 in |
| Weight | 17.4 lbs | 17.6 lbs | 17.4 lbs | 41.2 lbs |
| Processor | 3rd Gen Core i5 1 x Intel 3 i5-3330 / 3 GHz ( 3.2 GHz ) ( Quad-Core ) | 3rd Gen Core i5 1 x Intel 3 i5-3330 / 3 GHz ( 3.2 GHz ) ( Quad-Core ) | 3rd Gen Core i5 1 x Intel 3 i5-3470 / 3.2 GHz ( Quad-Core ) | 2 x Intel Xeon E5620 / 2.4 GHz ( Quad-Core ) |
| Cache Memory | 6 MB | 6 MB | 6 MB L3 cache | 24 MB L3 cache |
| RAM | 6 GB (installed) / 8 GB (max) - DDR3 SDRAM - 1333 MHz - PC3-10600 | 8 GB (installed) / 8 GB (max) - DDR3 SDRAM - Non-ECC - 1600 MHz - PC3-10600 | 2 GB (installed) / 16 GB (max) - DDR3 SDRAM - Non-ECC - 1600 MHz - PC3-12800 | 6 GB (installed) / 32 GB (max) - DDR3 SDRAM - ECC - 1066 MHz |
| Storage Controller | Serial ATA ( Serial ATA-300 ) ; None | Serial ATA ( Serial ATA-300 ) ; None | Serial ATA ( Serial ATA-600 ) | Serial ATA ( Serial ATA-300 ) |
| Hard Drive | 1 x HDD 1 TB - Serial ATA-300 - Serial ATA | 1 x HDD 1 TB - Serial ATA-300 - Serial ATA | 1 x HDD 250 GB - Serial ATA-600 - Serial ATA | 1 x HDD 1 TB - Serial ATA-300 - Serial ATA |
| Hard Drive (2nd) | None | None | None | Info unavailable |
| Hard Drive (3rd) | None | None | None | None |
| Optical Storage | DVD-Writer | DVD-Writer | DVD±RW | DVD±RW (±R DL) |
| Optical Storage (2nd) | None | None | None | None |
| Monitor | none. | none. | none. | none. |
| Storage Removable | None | None | None | None |
| Graphics Controller | Intel HD Graphics 2500 | Intel HD Graphics 2500 | Intel HD Graphics 2500 Dynamic Video Memory Technology | PCI Express 2.0 x16 - ATI Radeon HD 5770 |
| Audio Output | Integrated - Stereo | Integrated - Stereo | Integrated - Stereo | Integrated |
| Networking | Fast Ethernet Ethernet Gigabit Ethernet IEEE 802.11b IEEE 802.11n IEEE 802.11g | Fast Ethernet Ethernet Gigabit Ethernet | Fast Ethernet Ethernet Gigabit Ethernet | Bluetooth 2.1 EDR IEEE 802.11a Fast Ethernet Ethernet Gigabit Ethernet IEEE 802.11b IEEE 802.11n IEEE 802.11g |
| Operating System | Windows 8 | Windows 8 64-bit Edition | Microsoft Windows 7 Professional | Apple MacOS X 10.7 Lion |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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