Product Description | Lenovo ThinkStation E31 2555 - Core i7 3770 3.4 GHz |
Type | Personal computer |
Form Factor | Tower |
Dimensions (WxDxH) | 6.9 in x 17 in x 16.7 in |
Weight | 27.6 lbs |
Localization | English |
Processor | 1 x Intel Core i7 (3rd Gen) 3770 / 3.4 GHz ( 3.9 GHz ) ( Quad-Core ) |
Processor Main Features | Intel Extended Memory 64 Technology, Intel Turbo Boost Technology 2 |
Cache Memory | 8 MB |
Cache Per Processor | 8 MB |
RAM | 4 GB (installed) / 32 GB (max) - DDR3 SDRAM - non-ECC - 1600 MHz - PC3-12800 |
Storage Controller | Serial ATA ( Serial ATA-600 ) |
Hard Drive | 1 x 500 GB - standard - Serial ATA-600 |
Optical Storage | DVD-Writer |
Card Reader | 29 in 1 |
Monitor | None. |
Multi-GPU Configuration | 1 single GPU card / integrated GPU |
Graphics Controller | PCI Express x16 - NVIDIA Quadro 600 / Intel HD Graphics 4000 |
Video Memory | 1 GB |
Audio Output | Sound card - stereo |
Networking | Network adapter - Ethernet, Fast Ethernet, Gigabit Ethernet |
Power | AC 120/230 V ( 50/60 Hz ) |
OS Provided | Microsoft Windows 7 Professional 64-bit Edition |
Microsoft Office Preloaded | Includes a pre-loaded image of select Microsoft Office 2010 suites. Purchase an Office 2010 Product Key Card or disc to activate preloaded software on this PC. |
Manufacturer Selling Program | TopSeller |
Environmental Standards | ENERGY STAR Qualified , EPEAT Gold |
Manufacturer Warranty | 3 years warranty |
General |
Personal computer | | Tower | | Speaker | | Trusted Platform Module (TPM 1.2) Security Chip | | 6.9 in | | 17 in | | 16.7 in | | 27.6 lbs | | Raven black | | English | | |
Processor |
Intel Core i7 (3rd Gen) 3770 / 3.4 GHz | | 3.9 GHz | | Quad-Core | | Yes | | 1 | | 1 | | Intel Extended Memory 64 Technology, Intel Turbo Boost Technology 2 | | |
Cache Memory |
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Mainboard |
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RAM |
4 GB / 32 GB (max) | | DDR3 SDRAM - non-ECC | | 1600 MHz | | PC3-12800 | | DIMM 240-pin | | Unbuffered, mixing of different types of memory modules is not supported | | 1 x 4 GB | | |
Storage Controller |
1 x Serial ATA - integrated | | Serial ATA-600 | | RAID 0, RAID 1 | | |
Storage |
1 x 500 GB - standard - Serial ATA-600 - 7200 rpm | | |
Optical Storage |
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Card Reader |
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Monitor |
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Graphics Controller |
PCI Express x16 - plug-in card | | 1 single GPU card / integrated GPU | | NVIDIA Quadro 600 / Intel HD Graphics 4000 | | 1 GB | | Digital Visual Interface (DVI), DisplayPort | | |
Audio Output |
Sound card - integrated | | Stereo | | High Definition Audio | | |
Input Device |
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Keyboard |
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Mouse |
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Networking |
Network adapter - integrated | | Intel 82579 | | Ethernet, Fast Ethernet, Gigabit Ethernet | | |
Expansion / Connectivity |
2 (total) / 1 (free) x front accessible - 5.25" x 1/2H 1 (total) / 0 (free) x front accessible - 3.5" x 1/3H 2 (total) / 1 (free) x internal - 3.5" x 1/3H | | 4 (total) / 3 (free) x memory - DIMM 240-pin 1 (total) / 0 (free) x processor - LGA1155 Socket 1 (total) / 0 (free) x PCI Express 2.0 x16 - half-length, full-height 1 (total) / 1 (free) x PCI Express 2.0 x1 - half-length, full-height 2 (total) / 2 (free) x PCI - half-length, full-height | | 4 x Hi-Speed USB - 4 pin USB Type A ( 2 front, 2 rear ) 2 x microphone - input - mini-phone stereo 3.5 mm ( 1 front, 1 rear ) 1 x headphones - output - mini-phone stereo 3.5 mm ( 1 in front ) 1 x serial - RS-232 - 9 pin D-Sub (DB-9) 1 x network - Ethernet 10Base-T/100Base-TX/1000Base-T - RJ-45 1 x display / video - VGA - 15 pin HD D-Sub (HD-15) 2 x display / video - DisplayPort - 20 pin DisplayPort 1 x display / video - DVI-Digital (dual link) - 24 pin digital DVI 1 x audio - line-out - mini-phone stereo 3.5 mm 1 x audio - line-in - mini-phone stereo 3.5 mm 4 x SuperSpeed USB 3.0 | | |
Miscellaneous |
Security lock slot (cable lock sold separately), administrator password, power-on password, boot without keyboard or mouse, serial port I/O control, USB port control, boot sequence control, chassis intrusion detection, padlock loop, 85% efficiency power supply | | RoHS, 80 PLUS Bronze, GREENGUARD | | TopSeller | | |
Power |
Power supply | | AC 120/230 V ( 50/60 Hz ) | | 280 Watt | | |
Operating System / Software |
Microsoft Windows 7 Professional 64-bit Edition | | Includes a pre-loaded image of select Microsoft Office 2010 suites. Purchase an Office 2010 Product Key Card or disc to activate preloaded software on this PC. | | Ulead DVD MovieFactory, ThinkVantage Rescue and Recovery, Adobe Reader, Norton Internet Security (30 days subscription), Corel WinDVD | | |
Environmental Standards |
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Manufacturer Warranty |
3 years warranty | | Limited warranty - parts and labor - 3 years | | |