Intel OEM: Lenovo MPN: SZYE6MB

Intel Core ThinkCentre M81 Intel® Pentium® G840 2 GB DDR3-SDRAM 320 GB HDD 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 123 specifications
1 / 5
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Overview

The Lenovo ThinkCentre M81 Intel® Pentium® G840 2 GB DDR3-SDRAM 320 GB HDD Windows 7 Professional SFF PC Black features Intel Pentium 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 65 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 65 W — size your cooling and PSU headroom accordingly.

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

Technical Specifications

123
123 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

94
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
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 II
Microphone input
Yes
Storage media
HDD
Mouse included
Yes
Processor code
SR05P
Security lock slot
Yes
Memory channels
Dual-channel
Bus speed
5 GT/s
Display included
No
Intel ARK ID
53490
Headphone outputs
1
Keyboard included
Yes
Wake-on-LAN ready
Yes
Cabling technology
10/100/1000Base-T(X)
Intel® Insider™
No
Optical drive type
DVD±RW
Codename
Sandy Bridge
Execute Disable (NX)
Yes
Chipset
Intel Q65 Express
Number of 3.5" bays
1
Cable lock slot type
Kensington
Intel FDI Technology
Yes
Number of 5.25" bays
1
PCI Express x1 slots
1
Intel segment tagging
Enterprise,Professional
PCI Express x16 slots
1
Serial ports
1
Dedicated graphics
No
Integrated graphics
Yes
Processor package size
37.5 x 37.5
CPU configuration (max)
1
Ethernet LAN data rates
10,100,1000
Optical drives quantity
1
Intel Fast Memory Access
Yes
Intel Flex Memory Access
Yes
Number of HDDs installed
1
Intel Enhanced Halt State
Yes
PCI Express slots version
2.0
Long-term availability
No
Operating system
Windows 7 Professional
Instruction sets
SSE4.1,SSE4.2
VGA ports
1
Dedicated GPU model
Not available
Memory layout (slots x size)
1 x 2
Integrated GPU model
Intel HD Graphics
Thunderbolt 3 ports quantity
0
On-board graphics card family
Intel HD Graphics
OS architecture
32-bit
Intel® InTru™ 3D Technology
No
Intel® Turbo Boost Technology
No
Number of processors installed
1
CPU multiplier (bus/core ratio)
28
Thermal monitoring
Yes
Trusted Execution (TXT)
No
Number of storage drives installed
1
SpeedStep power scaling
Yes
Intel® Quick Sync Video Technology
No
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 VT-x with Extended Page Tables (EPT)
Yes
Memory clock speeds supported by processor
1066,1333
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
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
0
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
0
Number of displays supported (on-board graphics)
2
Intel® Clear Video HD Technology (Intel® CVT HD)
No
Directed I/O virtualization (VT-d)
No
Intel® Hyper Threading Technology (Intel® HT Technology)
No

Processor

13
Stepping
Q0
Cache
3 MB
Cores
2
Model
G840
Processor line
Intel Pentium
Socket
LGA 1155 (Socket H2)
Threads
2
Clock speed
2.8 GHz
Cache level
Smart Cache
Process node
32 nm
CPU brand
Intel
CPU operating modes
64-bit
TDP
65 W

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

4
HDMI ports
0
DisplayPorts quantity
1
USB 2.0 ports
6
Ethernet ports
1
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Product lifecycle

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