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| Product name | ||||
| Price | Pricing not available | $999.00 | $1,799.00 | $15.99 |
| CNET editors' rating | ||||
| Average user rating |  | | |
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| Release date | November 14, 2006 | January 18, 2012 | ||
| The Bottom Line | We have one major issue with the Velocity Micro Raptor Signature Edition (the price), and two minor ones (it's loud, for one), but those aside, this is one of the most feature-complete high-end desktops we've reviewed. Its performance is media-creation- and game-minded, and anyone buying it for those or almost any other purposes won't be disappointed. | Alienware has successfully brought its brand to an affordable, suitably stylized package, and I can recommend the X51 to anyone in the market for a mainstream gaming PC. | ||
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| Features | ||||
| Product Form Factor | Tower | Info unavailable | Full tower | All-in-one |
| Processor | 1 x Intel Core 2 Extreme QX6700 / 2.66 GHz ( Quad-Core ) | Intel Core i5 2320 | 2nd Gen Core i5 1 x Intel i5-2500K / 3.3 GHz ( 3.7 GHz ) ( Dual-Core ) | 1 x Motorola PowerPC G3 266 MHz |
| Cache Memory | 8 MB L2 cache | Info unavailable | 6 MB L3 cache | 512 KB (installed) / 512 KB (max) - L2 cache |
| RAM | 2 GB DDR2 SDRAM | 8 GB DDR3 SDRAM | 4 GB DDR3 SDRAM - Non-ECC - 1333 MHz - PC3-10600 | 32 MB (installed) / 256 MB (max) - SDRAM |
| Storage Controller | RAID PCI Express ; IDE | Info unavailable | RAID ( Serial ATA-600 ) | IDE ( EIDE/ATAPI ) ; None |
| Hard Drive | 4 x 150 GB - Standard - Serial ATA-150 | 1000 GB | 1 x 1 TB - Standard - Serial ATA-300 | 1 x 6 GB - Standard - EIDE |
| Hard Drive (2nd) | None | Info unavailable | None | Info unavailable |
| Hard Drive (3rd) | None | Info unavailable | None | Info unavailable |
| Optical Storage | DVD±RW (+R DL) | Slot-Loading Dual Layer DVD Burner (DVD?RW, CD-RW) | DVD±RW (±R DL) with LightScribe Technology | CD-ROM |
| Optical Storage (2nd) | CD-RW / DVD-ROM combo | Info unavailable | DVD±RW (±R DL) | Info unavailable |
| Storage Removable | None | Info unavailable | None | None |
| Multi-GPU Configuration | 2 single GPU cards (SLI) | Info unavailable | Info unavailable | Info unavailable |
| Graphics Controller | NVIDIA GeForce 8800 GTX PCI Express x16 | 1GB GDDR5 nVidia GeForce GTX 555 | PCI Express 2.0 x16 - NVIDIA GeForce GTS 450 | ATI RAGE PRO |
| Video Memory | 768 MB GDDR3 SDRAM | Info unavailable | 1 GB | 6 MB SGRAM |
| Operating System | Microsoft Windows XP Professional | Microsoft Windows 7 Home Premium, 64Bit | Microsoft Windows 7 Home Premium 64-bit Edition | Apple MacOS 8.5 |
| Dimensions (WxDxH) | Info unavailable | Info unavailable | 8.3 in x 19.3 in x 17.8 in | 15 in x 17.3 in x 15.6 in |
| Weight | Info unavailable | Info unavailable | Info unavailable | 38.1 lbs |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices | Pricing not available | | | |
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Velocity Raptor Signature Edition Gaming PC compare
