Our company is a Lenovo authorized sales and service center.
| Manufacturer | Lenovo |
| Manufacturer Part # | 415568U |
| Cost Central Item # | 10987751 |
| Product Description | Lenovo ThinkStation D20 4155 - Tower - 1 x Xeon E5520 / 2.26 GHz - RAM 4 GB - HDD 1 x 500 GB - DVD-Writer - Quadro FX 580 - Gigabit Ethernet - Windows 7 Pro 64-bit - Monitor : none - TopSeller |
| Type | Workstation |
| Form Factor | Tower |
| Approximate Dimensions (WxDxH) | 8.3 in x 23.7 in x 19.1 in |
| Approximate Weight | 59.7 lbs |
| Localization | English |
| Processor | 1 x Intel Xeon E5520 / 2.26 GHz ( Quad-Core ) |
| Processor Main Features | Intel QuickPath Interconnect |
| Cache Memory | 8 MB |
| Cache Per Processor | 8 MB |
| RAM | 4 GB (installed) / 48 GB (max) - DDR3 SDRAM - ECC - 1333 MHz - PC3-10600 |
| Storage Controller | Serial Attached SCSI ( Serial ATA-300 / SAS ) ( Marvell 88SE6480 ) |
| Hard Drive | 1 x 500 GB - standard - Serial ATA-300 |
| Optical Storage | DVD-Writer |
| Card Reader | 20 in 1 |
| Monitor | None. |
| Graphics Controller | PCI Express x16 - NVIDIA Quadro FX 580 |
| Video Memory | 512 MB |
| Audio Output | Sound card |
| Networking | Network adapter - Ethernet, Fast Ethernet, Gigabit Ethernet - Ethernet Ports : 2 x Gigabit Ethernet |
| Power | AC 120/230 V ( 50/60 Hz ) |
| OS Provided | Microsoft Windows 7 Professional 64-bit Edition |
| Manufacturer Selling Program | TopSeller |
| Manufacturer Warranty | 3 years warranty - on-site |