Datasheet

Preloaded operating system
Some: Genuine Windows

7
Professional 32
Some: 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
●
3-year limited warranty
ThinkCentre

M72e Tower (3655) - ES 5.2 - II
Product Specifications Reference (PSREF)
Positioning Essential business features, exceptional value
Processor 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 i7-3770 Processor (4 cores / 8 threads, 3.4GHz, 8MB cache),
Turbo Boost 2.0 (3.9GHz), integrated Intel HD Graphics 4000,
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 or Intel HD Graphics 4000 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
Some: 9-in-1 media reader, internal USB 2.0
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, std disk
Bay 3: 3.5", 1" high, no access, std disk
Bay 4: 1.5", .35" high, access, opt reader*
*bay only available on models with media reader installed
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
3655-C1U 3x3 i5-3470 4GBx1 1600MHz 500G 7200 Bay DVD±RW HD 2500 None None ES52 None Pro 32 06/05/12
3655-D2U 3x3 i5-3470 4GBx1 1600MHz 500G 7200 Bay DVD±RW HD 2500 None None ES52 None Pro 64 07/10/12
3655-F2U 3x4 i7-3770 4GBx2 1600MHz 1TB 7200 Bay DVD±RW HD 4000 Media Switch ES52 None Pro 64 11/06/12
See footnotes for important warranty information
US models announced June 5, July 10
, or November 6, 2012
✂
US model withdrawn effective February 2013

Lenovo
(MOSI1-17) November 2012
Type-model Processor Memory
8
SATA
optical Graphics
Slot x
bay
ENERGY
STAR 5.2
Win7
preload
SATA disk
GB rpm Global
Ann date
(mm/dd/yy)
2nd Disk
Bay
Chassis
intr switch
optical
disk
②
Media
reader
✂