| Item # | 779009 |
| Manufacturer # | YP8509 |
| Backlight Technology | LED |
| battery type | lithium ion (Li-ion) |
| Bluetooth Standard | Bluetooth 4.0 |
| brand name | Lenovo |
| color | Graphite black |
| depth | 10.1 in. |
| ENERGY STAR | Yes |
| Environmental Certification | EPEAT Gold; ENERGY STAR; RoHS |
| Finger Print Reader | Yes |
| front camera/webcam | Yes |
| Graphics Controller Manufacturer | AMD |
| Graphics Controller Model | Radeon R7 M260 |
| Graphics Memory Capacity | Up to 2 GB |
| Graphics Type | Dedicated |
| HDCP Supported | Yes |
| Hyper-Threading | Yes |
| integrated speakers | yes |
| laptop battery life range | 8 hours (or more) |
| LCD Backlight Technology | LED backlight |
| manufacturer | Lenovo Group Limited |
| maximum battery life | 9 hours |
| maximum memory capacity | 16 GB |
| Maximum Turbo Speed | 3 GHz |
| memory | 8 GB |
| memory card reader | Yes |
| Memory Card Supported | SD; SDHC; SDXC; MultiMediaCard (MMC) |
| memory speed | DDR3L-1600/PC3-12800 |
| memory type | DDR3L SDRAM |
| model | 20DF0032US |
| operating system details | Windows 7 Professional Upgradable to Windows 8.1 Pro |
| Operating Systems | Windows 7 Pro |
| optical drive | DVD-Writer |
| package contents | ThinkPad E550 20DF0032US Notebook; Lithium-Ion Battery; AC Adapter; Windows 8.1 Pro License Media |
| peripherals included | Keyboard |
| Pointing Device Type | ClickPad; Trackpoint |
| ports | 1 Ethernet (RJ-45); 1 HDMI; 1 headphone/microphone; 1 USB 2.0; 2 USB 3.0; 1 VGA 15-pin D-sub |
| processor brand | Intel |
| processor model | i7-5500U |
| processor speed | 2.40 GHz |
| processor type | Intel Core i7 |
| Product Line | ThinkPad |
| screen resolution | 1366 x 768 |
| screen size | 15.6 in. |
| Solid State Drive Capacity | 128 GB |
| Solid State Drive Interface | Serial ATA/600 |
| Total Number of USB Ports | 3 |
| Touchscreen | No |
| vPro Technology | No |
| warranty length | 1-year limited |
| weight | 5.21 lb |
| Wimax | No |
| wired connectivity | 10/100/1000 Ethernet |
| Wireless LAN | Yes |
| Wireless LAN Manufacturer | Intel |
| Wireless LAN Model | Dual Band Wireless-AC 7265 |
| Wireless LAN Standard | IEEE 802.11a/b/g/n/ac |
| WWAN Supported | No |
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