Lenovo A720 57315508 User Manual

3109-1MU

5x4

i7-3770

3.40 3.90

4GBx3

2TB

2

Dock only DVD

±RW GT 545 1.5G None None 11b/g/n 450W

USB

Prem 64  07/12

3109-1NU

5x4

i7-3770

3.40 3.90

4GBx2

2TB Dock only DVD

±RW GT 620 1G

None None

11b/g/n 450W

USB

Prem 64  07/12

3109-2FU

5x4

i5-2320

3.00 3.30

4GBx3

2TB Dock only DVD

±RW GT 620 1G

None None

11b/g/n 280W

USB

Prem 64  07/12

3109-2JU

5x4

i7-3770

3.40 3.90

4GBx2

2TB Dock only DVD

±RW GT 620 1G

None None

11b/g/n 280W

USB

Prem 64  07/12

3109-2HU

5x4

i7-3770

3.40 3.90

4GBx3

2TB Dock only DVD

±RW GT 545 1.5G None None 11b/g/n 280W

USB 

Prem 64  07/12

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

™ i5-2320 Processor (4 cores / 4 threads, 3.00 GHz, 6M Cache),

Turbo Boost Technology 2.0 (up to 3.30 GHz), integrated Intel HD Graphics 2000, 
DDR3 memory controller (up to 1333MHz)
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

32GB max

8

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

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

®

 GeForce

®

 GT 620, PCI Express

®

 x16, 1GB memory, DirectX

®

 11, 

          

one VGA connector, one HDMI connector, HDCP-compliant

Some:  NVIDIA GeForce GT 545, PCI Express x16, 1.5GB memory, DirectX 11, 
          

one VGA connector, one DVI-I connector, one HDMI connector, HDCP-compliant

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 6.0Gb/s, integrated in chipset, RAID 0 support
Multi-Burner DL DVD

±RW SATA 1.5Gb/s Drive

Two SATA cables (each 1-drop to device), two SATA 3.0Gb/s connectors, 
two SATA 6.0Gb/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 3.0, microphone (3.5mm), headphone (3.5mm)
Four USB 2.0, ethernet (RJ-45), monitor (VGA, HDMI, DVI-I on selected models) 
* Onboard VGA and HDMI connectors are disabled on discrete models
Line-in (3.5mm), line-out [Front out L/R] (3.5mm), microphone-in (3.5mm), 
Cen/LFE (3.5mm), Surround out L/R (3.5mm), S/PDIF out
High Defi nition (HD) audio, ALC892 codec
None
11b/g/n wireless

4

, PCIe Half Mini Card, Realtek

®

 RTL8188CE

Gigabit ethernet on planar, Realtek RTL8111E
None

None
None

Full-size keyboard (USB connector), Fn keys, black
Optical Wheel Mouse (USB connector), black
Some:  280 watts, universal, manual switch 
Some:  450 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 3.0 *
Slot 2: half-length, full-height,  PCI Express x1 Ver 2.0 **
Slot 3: half-length, full-height,  PCI Express x16 Ver 3.0 *
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 in slot or slot occupied by graphics adapter on some models

™ K430 (3109)

8

See footnotes for important warranty information
US model(s) announced July 11, 2012

 

© Lenovo

(ROAT1-1) July 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

-   Genuine Windows

®

 7

   Home Premium 64

5

 (only some 

listed)

•  Lenovo

®

 OneKey Recovery

•  Driver and Application Installation

•  McAfee

®

 AntiVirus Plus

  (60 days of virus defi nitions)

•  Adobe

®

 Flash

®

 Player

•  Power Control Switch

• CyberLink Power2Go 

 (DVD

±RW, BD burner)

•  Cyberlink PowerDVD (BD burner)

•  Microsoft Offi ce 2010 preloaded; 

  purchase product key to activate

•  Windows Live Essentials