Lenovo A720 57315508 User Manual

57308927

5x4

i3-3220

3.30

2+4GB

1TB

2

Dock only DVD

±RW Intel HD 2500 None None 11b/g/n 280W USB 3.0 Win8 64  11/12

57308565

5x4

i5-3330

3.00 3.20

4GBx2

1TB

Dock only DVD

±RW Intel HD 2500 None None 11b/g/n 280W USB 3.0 Win8 64  11/12

57308564

5x4

i7-3770

3.40 3.90

4GBx2

2TB

Dock only DVD

±RW GF GT 620

None None

11b/g/n 280W USB 3.0 Win8 64  11/12

Processor

Implementation

Memory 

Graphics

SATA disk
mSATA SSD
USM portable disk

SATA controller
SATA optical
SATA cables

Media reader

Chipset

Front ports
Rear ports

Rear audio ports
Audio
Speaker
Wireless
Ethernet 
Modem

TV tuner
Remote control

Keyboard 
Mouse
Power supply 

Machine

Bay

Slot

®

 Core

™ i3-3220 Processor (2 cores / 4 threads, 3.30 GHz, 3M Cache),

integrated Intel HD Graphics 2500, DDR3 memory controller (up to 1600MHz)
Intel Core i5-3330 Processor (4 cores / 4 threads, 3.00 GHz, 6M Cache),
Turbo Boost Technology 2.0 (up to 3.20 GHz), integrated Intel HD Graphics 2500, 
DDR3 memory controller (up to 1600MHz)
Intel Core i7-3770 Processor (4 cores / 8 threads, 3.40 GHz, 8M Cache),
Turbo Boost Technology 2.0 (up to 3.90 GHz), integrated Intel HD Graphics 4000, 
DDR3 memory controller (up to 1600MHz)
Processor in LGA1155 socket

8GB max

8

, dual-channel capable, PC3-12800 1600MHz DDR3, 

non-parity, two 240-pin DIMM sockets
* System automatically clocks down for processors with 1333MHz memory controller

Some:  Intel HD Graphics 2500, integrated graphics in processor, uses main memory, 
          

one VGA connector, one HDMI connector, HDCP-compliant

®

 GeForce

®

 GT 620, PCI Express

®

 x16, 1GB memory, DirectX

®

 11, 

          

one VGA connector, one HDMI connector, HDCP-compliant

1TB or 2TB, SATA 6.0Gb/s, 7200 rpm
None
Hard disk dock only, supports SATA Universal Storage Module

™ (USM) standard, 

includes USB 3.0 adapter and USB 3.0 cable
Serial ATA, SATA 3.0Gb/s, integrated in chipset
Multi-Burner DL DVD

±RW SATA 1.5Gb/s Drive

Two SATA cables (each 1-drop to device), three SATA 3.0Gb/s connectors, 
and one eSATA (occupied on USM portable HDD models)
9-in-1 media reader (MS, MS Pro, SD, SDHC, SDXC, MMC, CF I/CF II, MD)

Two USB 2.0, microphone (3.5mm), headphone (3.5mm)
Four USB 2.0, two USB 3.0 via optional USB 3.0 card on some moels, 
ethernet (RJ-45), monitor (VGA, HDMI) 
Line-in (3.5mm), line-out (3.5mm), microphone-in (3.5mm), 
High Defi nition (HD) audio, ALC662 codec
None
11b/g/n wireless

4

, PCIe Half Mini Card, Realtek

®

 RTL8188CE

Gigabit ethernet on planar, Realtek RTL8111F-VB
None

None
None

Full-size keyboard (USB connector), Fn keys, black
Optical Wheel Mouse (USB connector), black
280 watts, universal, manual switch 
• Metal Gray (metal brush effect) 

• 6.89" W X 16.10" D X 14.17" H; 175mm W X 409mm D X 360mm H

• From 24.6 lb (11.2 kg), weight may vary by confi guration

• Toolless cover removal

• Toolless disk, optical drive removal

Bay 

①  5.25", 1.6" high, access, 

standard optical

Bay 

②  5.25", 1.6" high, access,   open

Bay 

③  3.5",   1" high,  no access, standard disk

Bay 

④  3.5",  1" high,  no access, optional disk

Bay 

⑤  3.5",  1" high,  access, 

optional USM portable disk

Slot 1: half-length, full-height,  PCI Express x16 Ver 2.0 *
Slot 2: half-length, full-height,  PCI Express x1 Ver 2.0 **
Slot 3: half-length, full-height,  PCI Express x1 Ver 2.0 **
Slot 4: half-length, full-height,  PCI Express x1 Ver 2.0 **
*  Graphics adapter in slot on some models, some graphics adapters occupy two slots
** TV tuner / USB 3.0 card in slot or slot occupied by graphics adapter on some models

™ K410 (Windows 8)

8

See footnotes for important warranty information
US model(s) announced November 8, 2012

 

© Lenovo

(ROAT2-2) November 2012

1

➫  1-year parts and labor

➫  Customer Replaceable Unit (CRU)    

3

➫  Service upgrade options 

9

  9x5 Next Business Day (78Y1552)

  9x5 Next Business Day (78Y1553)

➫  24x7

14

1

 

•  Power Control Switch; color-coded three-speed switch to easily choose between 

•  Tool-free chassis design for easy upgrading and maintenance

•  Optional Universal Storage Module portable HDD and dock

•  Lenovo Rescue System provides OneKey recovery without booting into Windows

20 

-   Windows

®

 8 64-bit

14

 (only some 

listed)

•  Lenovo

®

 Rescue System

•  Driver and Application Installation

•  Lenovo Cloud Storage by SugarSync

• McAfee

®

 Internet Security

 (30-Day 

Trial)

•  Power Control Switch

• Adobe

®

 Reader

®

•  Cyberlink PowerDVD (DVD±RW)

•  Cyberlink Power2Go (DVD±RW)

•  Microsoft Offi ce preloaded; 

 

purchase product key to activate

 

• Intel AppUp

®

• AccuWeather
• Evernote
• Kindle
• Lenovo 

Support

• Lenovo 

Companion