Two audio connectors (microphone in and audio out) on front panel
One integrated VGA port
One integrated display port
Ethernet connector
Three audio connectors (line in, audio out, and microphone in) on rear panel
Two PS/2 for keyboard and mice
Slots
Two full-height PCI
One full-height PCI Express x1
One full-height PCI Express x16
Power
Power management
Advanced Configuration and Power Interface (ACPI) support
Power supply
320W, 90plus, auto-sensing
280W, 85plus, auto-sensing
115 to 230 Volt; 50 to 60 Hz
Security
Security chip (standard)
Trusted Platform Module (TPM1.2) (standard)
Individual USB port disablement
Ease-of-use attributes:
Tool-less top cover - rotates about rear top edge
Tool-less Hardfile and Optical Retention
Tool-less PCI Card Retention
Tool-less Riser Card Retention
Tool-less Graphics Card Retention
Chasis intrusion switch
Computrace support
Kensington slot (in rear for attachment of optional Kensington® Microsaver® cable)
Padlock loop
eSATA port disablement
Software
Operating system
linux
Storage
Optical drive
DVD-ROM
DVD Recordable
Blu-ray Recordable
Media Card Reader
USB 2.0 Mass Storage Device (Flash)
Video
Integrated Graphics Adapter (Intel HD Graphics 2000)
ATI Radeon HD5450
Certification
Industry Standards
All systems conforms to the following industry standards:
ACPI v3.0
DMI v2.0
IEEE 802.3
JEDEC 240-pin DIMM memory
SmBios v2.6
PCI v2.3
PCIe v1.0
Serial ATA II/III
PXE v2.1
USB v2.0
USB v3.0 (Optional by PCIe*1 adapter)
AMT7.1
Safety
UL/CUL
DEMKO-GS
IEC60950-1 CB Report/Certificate
Saudi Arabia ICCP(SASO)
Hong Kong (CB report)
Argentina S-mark
EU/EFTA CE Mark and DoC
China CCC Mark
Singapore - PSB
Nigeria - SONCAP
Kenya - KEBS
Russia -GOST
Mexico-NOM
Kazakhstan -GOST-K
Belarus -certificate
Croatia-certificate
EMC
Basic Mandatory Certification
FCC DoC for U.S.A, ICES-003 for Canada
VCCI certification for Japan
BSMI certification for Taiwan
EU/EFTA CE Mark & DoC
C-Tick DoC for Australia and New Zealand
Power line harmonics for Japan
KC for Korea
Environmental
PEP(Internal Certification)
China RoHS
EU RoHS
EU WEEE
Japan J-Moss
California RoHS
USA Chemical Emission Test
New York RoHS
Japan Energy Saving
Korea RoHS and Turkey ROHS
USA EPEAT Gold & Silver
GreenGuard
US Energy Star 5.0/5.2
Energy savings
US Energy Star 5.0/5.2 for select model
EuP 2013 certified with 85Plus Power supply
WHQL
The system gets Windows 7 logo sticker, and Logo Program certified.
ThinkCentre M81 systems may carry other certifications that are not listed above. Please contact your local Lenovo Sales Representatives for more certifications in your area.
