| Description | THINKCENTRE M73 SMALL FORM FACTOR DESKTOP |
| Processor | - Intel® Pentium® Processor G3240 (3M Cache, 3.1GHz)
- Intel Core™ i3-4160 Processor (3M Cache, 3.6GHz)
- Intel Core i5-4460 Processor (6M Cache, 3.2GHz), Turbo Boost 2.0 (3.4GHz)
- Intel Core i5-4590 Processor (6M Cache, 3.3GHz), Turbo Boost 2.0 (3.7GHz)
- Intel Core i7-4790 Processor (8M Cache, 3.6GHz), Turbo Boost 2.0 (4.0GHz)
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| Operating system | - Windows 10 Home 64-bit
- Windows 10 Pro 64-bit - Lenovo recommends Windows 10 Pro.
- Windows 7 Professional 64-bit preinstalled through downgrade rights in Windows 10 Pro 64-bit
- Windows 8.1 64-bit
- Windows 8.1 Pro 64-bit
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| Intel HD Graphics in processor | Intel HD Graphics 4600 in processor, uses main memory, 1 x VGA, 1 x DisplayPort™, supports dual independent display, works along with discrete graphics to support up to four independent monitors; max. resolution: 2560x1600@60Hz (DisplayPort); 1920x1200@60Hz (VGA, Reduced Blanking) |
| Discrete graphics (optional) | - NVIDIA® GeForce® GT 620, 1GB, PCI Express 2.0 x16 adapter, 1 x VGA, 1 x DisplayPort, max. resolution: 2560x1600@60Hz (DisplayPort); 2048x1536@85Hz (VGA)
- AMD Radeon™ R5 235, 1GB, PCI Express 2.0 x16 adapter, 1 x VGA, 1 x HDMI, max. resolution: 1920x1080@60Hz (HDMI); 2048x1536@85Hz (VGA)
- AMD Radeon HD 7450, 1GB, PCI Express 2.0 x16 adapter, 1 x DVI-I (includes DVI-to-VGA dongle), 1 x DisplayPort, max. resolution: 2560x1600@60Hz (DisplayPort, DVI-I)
- AMD Radeon HD 8570, 2GB, PCI Express 3.0 x16 adapter (8x elec), 1 x VGA, 1 x HDMI, max. resolution: 4096x2160@24Hz (HDMI); 2048x1536@85Hz (VGA)
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| Display support (optional) | - DisplayPort to DVI Video Adapter Converter
- Display Port to HDMI Dongle
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| Memory | 16GB max, UDIMM, PC3-12800 1600MHz DDR3, 2 DIMM sockets1 |
| SATA controller | Serial ATA, SATA 3.0Gb/s and SATA 6.0Gb/s, integrated in chipset |
| Onboard SATA | 1 x SATA 3.0Gb/s connector (for optical), 2 x SATA 6.0Gb/s connectors (for Disk/SSD) on planar |
| Storage | - 3.5" SATA: SATA 6.0Gb/s, 7200 rpm, up to 2TB
- 2.5" Hybrid: SATA 6.0Gb/s, 5400 rpm, integrated 8GB MLC NAND flash, 500GB
- 3.5" Hybrid: SATA 6.0Gb/s, 7200 rpm, integrated 8GB MLC NAND flash, 1TB
- 2.5" SSD: Solid State Drive (SSD), SATA 6.0Gb/s, OPAL-capable on selected models, up to 256GB
- 2.5" SSD: Solid State Drive (SSD), SATA 6.0Gb/s, Non-OPAL, up to 512GB
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| Optical drive (optional) | - DVD-ROM DL SATA 1.5Gb/s 16-48X Max2 Drive
- Super Multi-Burner DL DVD±RW SATA 1.5Gb/s Drive
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| Media reader (optional) | 9-in-1 media reader, or additional 2 x rear USB 2.0 ports |
| Chassis dimensions (W x D x H) | 335 x 382 x 101 mm |
| Weight | 6.6 kg (max configuration) |
| Floor stand | System floor stand for vertical orientation |
| Power supply | 240W, autosensing, 85% PSU |
| Keyboard | Preferred Pro USB Keyboard (USB connector), black, Lenovo® logo |
| Mouse | Enhanced Optical USB Mouse, black, Lenovo logo |
| Audio support | HD Audio, Realtek® ALC662 codec |
| Speaker | Internal speaker for business audio (1 watt) |
| Wireless (optional) | - Realtek RTL8723BE (1x1, 802.11 b/g/n) with Bluetooth 4.0
- Realtek RTL8192 (2x2, 802.11 b/g/n) with Bluetooth 4.0
- Intel Dual Band Wireless-N 7260 (2x2, 802.11 a/b/g/n) with Bluetooth 4.0
- Intel Dual Band Wireless-AC 7260 (2x2, 802.11 ac/a/b/g/n) with Bluetooth 4.0
- Broadcom BCM4352 (2x2, 802.11 ac/a/b/g/n) with Bluetooth 4.0
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| Ethernet | Gigabit Ethernet port, Realtek RTL8111GN, Wake on LAN® |
| Chipset | Intel H81 Express Chipset |
| Security chip | None |
| Physical security | Padlock Loop, Chassis Intrusion Switch (optional), Computrace Support, Kensington Slot |
| Front ports | - 2 x USB 2.0
- Microphone, headphone
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| Rear ports | - 2 x USB 3.0
- 2 x USB 2.0
- Serial (9-pin)
- VGA DB-15
- DisplayPort
- PS/2 (keyboard / mouse)
- Ethernet (RJ45)
- Stereo audio ports (line-in, line-out, mic-in)
- Optional second serial (9-pin)
- Optional parallel (9-pin)
- HDMI on optional graphic card
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| Bay | Internal bay: 1 x 3.5", 1 x 5.25", optional 1 x 2.5" |
| Expansion slots | - Slot 1: Low Profile, PCIe 3.0 x16 (40w max)
- Slot 2: Low Profile, PCIe 2.0 x1
- Slot 3: Low Profile, PCIe 2.0 x1
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