Intel OEM: Lenovo MPN: SZUB1MS

Intel Core ThinkCentre M81 Intel® Core™ i3 i3-2100 2 GB DDR3-SDRAM 320 GB Windows 7 Professional SFF PC Black

Desktops
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Depth
369 mm
Max case temperature (Tcase)
69.1 °C
Wi-Fi
N
Width
337 mm
Height
99.7 mm
Weight
7500 g
Line-in
Y
Bus type
DMI
DVI port
N
View 132 specifications
1 / 5
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Overview

The Lenovo ThinkCentre M81 Intel® Core™ i3 i3-2100 2 GB DDR3-SDRAM 320 GB Windows 7 Professional SFF PC Black features Intel Core i3 processor, 2 cores, 2 GB of memory and DDR3-SDRAM. Full verified specifications are listed below.

Compatibility

Socket LGA 1155 (Socket H2) Memory type DDR3 Interface PCIe 2.0 TDP 3565 W PSU wattage 240 W
  • Pairs with CPUs using the LGA 1155 (Socket H2) socket.
  • Requires DDR3 memory — not interchangeable with other generations.
  • Draws up to 3565 W — size your cooling and PSU headroom accordingly.

Compatibility data is automatically generated. Always verify critical specs before purchase.

Technical Specifications

132
132 Specifications Available Fully verified via Icecat and manufacturer specifications

Physical

6
Depth
369 mm
Width
337 mm
Height
99.7 mm
Weight
7500 g
Product type
PC
Colour
Black

General

102
Max case temperature (Tcase)
69.1 °C
Wi-Fi
No
Line-in
Yes
Bus type
DMI
DVI port
No
Drive form factor
3.5
64-bit support
Yes
Line-out
Yes
Spindle speed
7200 rpm
PCI slots
2
DC-in jack
Yes
FSB Parity
No
Idle power states
Yes
RAID levels
0,1
Audio system
HD
Chassis type
SFF
Ethernet LAN
Yes
Memory slots
4x DIMM
Power supply
240
Drive interface
SATA
Microphone input
Yes
Mouse included
Yes
Security lock slot
Yes
Memory channels
Dual-channel
Number of slots
2
Bus speed
5 GT/s
Display included
No
Intel ARK ID
53422
Processor series
Intel Core i3-2100 Desktop series
Headphone outputs
1
Keyboard included
Yes
Cabling technology
10/100/1000Base-T(X)
Intel® Insider™
Yes
Optical drive type
DVD-RW
Codename
Sandy Bridge
Execute Disable (NX)
Yes
Chipset
Intel Q65 Express
Networking features
Gigabit Ethernet
Number of 3.5" bays
1
Cable lock slot type
Kensington
Graphics card family
Intel
Intel FDI Technology
Yes
Number of 5.25" bays
1
PCI Express x1 slots
1
Generation
Intel Core i3-2xxx
Intel segment tagging
Enterprise,Professional
PCI Express x16 slots
1
Serial ports
1
Integrated graphics
Yes
Processor package size
37.5 x 37.5
CPU configuration (max)
1
Conflict-free minerals
No
Ethernet LAN data rates
10,100,1000
Intel Fast Memory Access
Yes
Intel Flex Memory Access
Yes
Number of HDDs installed
1
Intel Enhanced Halt State
Yes
On-board graphics card ID
0x102
PCI Express slots version
2.0
ECC memory support
No
Long-term availability
No
FireWire ports
0
Operating system
Windows 7 Professional
Instruction sets
AVX
VGA ports
1
Intel Clear Video Technology
No
Intel Demand Based Switching
No
Memory layout (slots x size)
1 x 2
Integrated GPU model
Intel HD Graphics 2000
Compliance industry standards
IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
On-board graphics card family
Intel HD Graphics
OS architecture
64-bit
Intel Rapid Storage Technology
No
Intel® InTru™ 3D Technology
Yes
Intel® Turbo Boost Technology
No
Number of processors installed
1
CPU multiplier (bus/core ratio)
31
Thermal monitoring
Yes
Trusted Execution (TXT)
No
SpeedStep power scaling
Yes
Intel® Quick Sync Video Technology
Yes
PCIe lanes
16
Memory types supported by processor
DDR3-SDRAM
Intel Dual Display Capable Technology
Yes
On-board graphics card base frequency
850
Virtualization (VT-x)
Yes
Intel® Wireless Display (Intel® WiDi)
No
Intel® My WiFi Technology (Intel® MWT)
No
Intel VT-x with Extended Page Tables (EPT)
Yes
Intel® Anti-Theft Technology (Intel® AT)
No
Memory clock speeds supported by processor
1066,1333
Intel Identity Protection Technology version
1.00
Intel® AES New Instructions (Intel® AES-NI)
No
Memory bandwidth supported by processor (max)
21
Maximum internal memory supported by processor
32
On-board graphics card dynamic frequency (max)
1100
Number of displays supported (on-board graphics)
2
Intel® Clear Video HD Technology (Intel® CVT HD)
Yes
Intel® Identity Protection Technology (Intel® IPT)
Yes
Directed I/O virtualization (VT-d)
No
Intel® Hyper Threading Technology (Intel® HT Technology)
Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)
No

Processor

13
Stepping
Q0
Cache
3 MB
Cores
2
Model
i3-2100
Processor line
Intel Core i3
Socket
LGA 1155 (Socket H2)
Threads
4
Clock speed
3.1 GHz
Cache level
Smart Cache
Process node
32 nm
CPU brand
Intel
CPU operating modes
64-bit
TDP
35, 65

Storage

2
Capacity
320 GB
Storage
320 GB

Memory

3
Capacity
2 GB
Memory type
DDR3-SDRAM
Max memory
16 GB

Graphics

1
Memory clock
1333 MHz

Ports & Connectivity

5
HDMI ports
0
PS/2 ports
0
DisplayPorts quantity
1
USB 2.0 ports
8
Ethernet ports
1
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Product lifecycle

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