Datasheet

Preloaded operating system
Genuine Windows

7
Professional 64
Ready to install applications (only some
listed)
● Rescue and Recovery
● Password Manager
Preloaded applications (only some listed)
● ThinkVantage

Product Recovery
● ThinkVantage System Update
● ThinkVantage Power Manager
● ThinkVantage Communication Utility
● View Management Utility
● Lenovo Solution Center
● Lenovo Message Center Plus
● Lenovo SimpleTap
● Norton Internet Security
(30 days of virus definitions)
● Adobe

Reader

● Skype for Windows
● Windows Live Essentials
● Microsoft

Office preloaded;
purchase a product key to activate
● Corel

Burn.Now (DVD±RW)
● Corel DVD MovieFactory

(DVD±RW)
Security
● One lock to secure both cover and
entire system to fixed object:
-Padlock loop (in rear for opt padlock)
-Security slot (in rear for optional
Kensington

MicroSaver

cable)
● Power-on password
● Administrator password
● Hard disk password
● Boot sequence control
● Boot without keyboard and mouse
● Serial port I/O control
● Individual USB port disablement
● Chassis intrusion switch on selected
model(s)
EPEAT Gold rating
ENERGY STAR

5.2-compliant
Cisco EnergyWise compatible
GREENGUARD

certified
RoHS-compliant
Supports ThinkVantage Technologies
For compatible accessories,
please go to O-M72E sheet;
For Lenovo service upgrade options,
please go to S-TC sheet
●
Part of the Global Models Plus (GMP) program with limited onsite service 3-year limited warranty
ThinkCentre

M72e Tower (3662) - ES 5.2 (GMP)
Product Specifications Reference (PSREF)
Positioning Essential business features, exceptional value
Processor Intel

Core

i3-3220 Processor (2 cores / 4 threads, 3.3GHz, 3MB cache),
integrated Intel HD Graphics 2500,
integrated 1600MHz dual-channel DDR3 memory controller
Intel Core i3-3240 Processor (2 cores / 4 threads, 3.4GHz, 3MB cache),
integrated Intel HD Graphics 2500,
integrated 1600MHz dual-channel DDR3 memory controller
Intel Core i5-3470 Processor (4 cores / 4 threads, 3.2GHz, 6MB cache),
Turbo Boost 2.0 (3.6GHz), integrated Intel HD Graphics 2500,
integrated 1600MHz dual-channel DDR3 memory controller, Virtualization Technology
Intel Core i5-3550 Processor (4 cores / 4 threads, 3.3GHz, 6MB cache),
Turbo Boost 2.0 (3.7GHz), integrated Intel HD Graphics 2500,
integrated 1600MHz dual-channel DDR3 memory controller, Virtualization Technology
Implementation Processor in LGA1155 socket
Memory 16GB max, UDIMM, PC3-12800 1600MHz DDR3, two 240-pin DIMM sockets
Graphics Intel HD Graphics 2500 in processor, uses main memory, DirectX

11,
one VGA, one DVI-D, supports dual independent display;
Maximum resolution: 2560x1600 (VGA)@60Hz; 1920x1200 (DVI-D)@60Hz
Disk SATA 3.0Gb/s 7200 rpm
Optical Super Multi-Burner DL DVD±RW SATA 1.5Gb/s Drive
SATA controller Serial ATA, SATA 3.0Gb/s, integrated in chipset
Onboard SATA Two SATA cables (each 1-drop to device), three SATA 3.0Gb/s connectors on planar
eSATA port None
Media reader None
Chipset
Intel H61 Express Chipset
Front ports Two USB 2.0, microphone (stereo, 3.5mm), headphone (stereo, 3.5mm)
Rear ports Four USB 2.0, serial (9-pin), keyboard (PS/2), mouse (PS/2), ethernet (RJ-45),
VGA DB-15, DVI-D
Rear audio ports Line-in (stereo, 3.5mm), line-out (stereo, 3.5mm), microphone-in (stereo, 3.5mm)
Internal connector Two USB 2.0 planar conn (1 used; one open for additional USB devices)
Audio High Definition (HD) Audio, Realtek

ALC662 codec
PCIe WLAN
4
None
Bluetooth None
Speaker Internal speaker for business audio
IEEE 1394 None
Ethernet Gigabit ethernet port, Realtek RTL8111E, Wake on LAN

Intel AMT None
Modem None
Security chip None
Keyboard Preferred Pro USB Keyboard (USB connector), 104-key, black, Lenovo

logo
Mouse Enhanced Optical USB Mouse, black, Lenovo logo
Power supply 280 watts with variable speed fan, autosensing, 85% PSU
Machine
●
Business black color; metal case
●
6.3" W X 16.6" D X 15.3" H (with handle)
●
160mm W X 422mm D X 388mm H
●
20.7 lb (9.4 kg) in maximum configuration
●
Handle on top front
●
Highlighted optical drive button for easy access
Bay Bay 1: 5.25", 1.6" high, access, std optical
Bay 2: 3.5", 1" high, no access, opt disk
Bay 3: 3.5", 1" high, no access, std disk
Slot Slot 1: half-length, full-height, PCI Express

2.0 x16 (60w max)
Slot 2: half-length, full-height, PCIe 2.0 x1
Slot 3: half-length, full-height, PCIe 2.0 x1
Limited Warranty 3-years, limited onsite service, 8 am-5 pm, Mon - Fri coverage excluding holidays,
next business day response time / service upgrades available
3662-A1U 3x3 i5-3550 4GBx1 1600MHz 500G 7200 Bay DVD±RW HD 2500 Switch ES52 G P Pro 64 06/05/12
3662-A2U 3x3 i5-3470 4GBx1 1600MHz 500G 7200 Bay DVD±RW HD 2500 None ES52 G P Pro 64 06/19/12
3662-A4U 3x3 i3-3220 4GBx1 1600MHz 500G 7200 Bay DVD±RW HD 2500 Switch ES52 G P Pro 64 08/21/12
3662-A6U 3x3 i3-3240 4GBx1 1600MHz 500G 7200 Bay DVD±RW HD 2500 Switch ES52 G P Pro 64 05/28/13
See footnotes for important warranty information
US models announced June 5, 2012, June 19
, 2012,
August 21,
2012, or May 28, 2013

Lenovo
(MOSI1-18) June 2013
Type-model Processor Memory
8
SATA
optical Graphics
Slot x
bay
ENERGY
STAR 5.2
Win7
preload
SATA disk
GB rpm
Ann date
(mm/dd/yy)
2nd Disk
Bay
Chassis
intr switch
optical
disk
②
Global (G)
GMP (P)