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Lenovo M91p
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Lenovo M91P 4 Core Intel Core I5-2xxx 3.1GHz 4GB 250GB HDD

PC Mag Editor's Choice
4 Intel Core I5-2xxx 3.1GHz 4GB Jun 2015
Processor Core Processor Family Processor Clock Speed Internal Memory Release Date
The Lenovo ThinkCentre M91 and M91p are premium enterprise-class desktop computers optimized for high performance and manageability. M91 and M91p are the Lenovo's first enterprise-class... More
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Lenovo M91p from Misco
£426.50
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8 Reasons For

64-Bit Processor Operating Mode

This personal computer supports a 64-bit processor operating mode, which is the most commonly supported processor operating mode on medium processor core personal computers that were released more than a year ago.

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Very Fast On-Board Graphics Adapter Base Frequency

When compared to other personal computers of a comparable age and spec to the M91p, the on-board graphics adapter base frequency of the Lenovo M91p of 850 megahertz is one of the fastest. The slowest on-board graphics adapter base frequency of personal computers of this spec and age is 310MHz and the fastest is 850MHz.

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Lenovo Has Good Computer Reviews

We calculated the average reviews for all Lenovo desktop computers and also specifically for Lenovo medium processor core personal computers and found that in both cases Lenovo had good reviews compared to other brands.

L3 Processor Cache Level

This computer has a L3 processor cache level, which is the most frequently found processor cache level on medium processor core personal computers that came out more than a year ago.

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10/100/1000Base-T(X) Cabling Technology

This PC has a 10/100/1000Base-T(X) cabling technology, which is the most commonly found cabling technology on similar spec PCs that were launched more than a year ago.

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Eight USB 2.0 Ports

The Lenovo M91p is a eight USB 2.0 port desktop computer. Most of the other medium processor core personal computers that have been on the market for a comparable time to the M91p have between one and nine USB 2.0 ports.

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Has One Memory Slot

The number of memory slots found on the Lenovo M91p is more than most personal computers of a comparable spec and age to it. This computer has a 4x DIMM memory slot, which is the most commonly found memory slot found on personal computers of a similar age and type to the M91p.

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Very Short

The Lenovo M91p is fairly short (only 99.7 millimeters) compared to most of the other medium processor core personal computers that came out around the same time as the M91p. Similar spec computers that were released one year ago have heights of between 9.8mm and 560mm.

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17 Reasons Against

Only Two Displays Supported by On-Board Grap

The Lenovo M91p is a two displayssupported by on-board grap personal computer. Most of the other desktop computers of this age and type have between two and three displays supported by on-board grap.

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Quite Slow Max Memory Bandwidth Supported Processor

The max memory bandwidth supported processor of medium processor core personal computers that have been on the market for more than a year range from 10GB/s to 68GB/s. When compared to other personal computers of a comparable spec and age to the M91p that we have assessed, the Lenovo M91p's max memory bandwidth supported processor of only 21 gigabytes per second is one of the slowest.

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Quite Slow Memory Clock Speed Supported by Processor

When compared to other computers of a comparable type and age to the M91p that we have assessed, the Lenovo M91p's memory clock speed supported by processor of only 1,066 megahertz is one of the slowest. Medium processor core personal computers that were released one year ago have memory clock speeds supported by processors of between 800MHz and 2,200MHz.

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Quite Slow On-Board Graphics Adapter Dynamic Frequency

With an on-board graphics adapter dynamic frequency of only 1,100 megahertz, the Lenovo M91p has one of the slower on-board graphics adapter dynamic frequencies amongst medium processor core personal computers of this age. Across all the desktop computers of a similar type and age to the M91p the on-board graphics adapter dynamic frequencies range from 640MHz to 1,300MHz.

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Quite Small Hard Drive Capacity

When compared to other personal computers that were released more than a year ago that we have assessed the hard drive capacity of, the Lenovo M91p's hard drive capacity of only 250 gigabytes is one of the smallest. The hard drive capacity of computers that have been around for a comparable time to the M91p range from 1GB to 3TB.

If this PC hard drive capacity is not big enough for you then you might want to look at the HP 280 G1[plb_2934654_price] (500GB) which is also cheaper.

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Very Small Total Storage Capacity

The smallest total storage capacity of comparable spec desktop computers that have been available for more than a year is 4GB, the biggest is 3.6TB, and the average total storage capacity is 840GB. The Lenovo M91p has a fairly small total storage capacity (only 250 gigabytes) compared to most of the other personal computers of a similar age and type to the M91p.

If this Lenovo computer total storage capacity is not big enough for you then you might also want to consider the Fujitsu D556[plb_3186790_price] (256GB), or the HP 280 G1[plb_2934654_price] (500GB) which is also cheaper.

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Very Small Max Internal Memory Supported Processor

The Lenovo M91p has one of the smaller max internal memory supported processors (only 32 gigabytes) amongst medium processor core personal computers of this age. Across all the computers of a similar age and spec to the M91p the max internal memory supported processors range from 2GB to 770GB, and the average max internal memory supported processor is 65GB.

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Only HDD Storage Medium

The storage speed of this desktop computer is HDD, which is typical of many similar spec desktop computers that came out around the same time as it. A Hard Disk Drive (HDD) is the traditional storage method for computers. A HDD stores the information on magnetic disks. HDD drives are cheap, but they are slower than Flash and SSD bases storage systems.

There are a number of other HDD computers currently available which you might also want to look at including because of it's better review score, the DELL Inspiron 3647[plb_3110567_price].

Computers with a faster storage speed that might also be worth looking at include the OptiPlex 9020 SFF[pl_2414879_price] (SSD), or the OptiPlex 7020 MT[pl_2788976_price] (SSD) both from DELL which is also cheaper.

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Very Small Internal Memory

Medium processor core personal computers that were released around the same time as the M91p have internal memory of between 2GB and 64GB, and the average internal memory is 8.3GB. The Lenovo M91p has one of the smaller internal memory (only 4 gigabytes) amongst medium processor core personal computers of this age.

Other 4GB memory personal computers currently available that you might want to consider include the DELL OptiPlex 7010[plb_2903853_price], or the Fujitsu Esprimo P420[plb_2676469_price] which is cheaper.

If this personal computer internal memory is too small for you then you might want to look at the 270[pl_3068921_price] (6GB), or the OptiPlex 9020[pl_2985619_price] (8GB) both from DELL or the HP ProDesk 400 G2.5 SFF[plb_2973425_price] (8GB) which is also cheaper.

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Quite Slow Memory Clock Speed

The slowest memory clock speed of PCs of a similar spec and age to the M91p is 1,000MHz, the fastest is 2,400MHz, and the average memory clock speed is 1,800MHz. At only 1,333 megahertz, the Lenovo M91p has a very slow memory clock speed compared to most of the other computers of this age and spec.

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Only One 5.25" Bay

The Lenovo M91p is a one 5.25" bay computer. Most of the other similar spec PCs that came out around the same time as the M91p have between one and three 5.25" bays.

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Only One DisplayPort

The Lenovo M91p is a one DisplayPort PC. Most of the other personal computers of this age and spec have between one and three DisplayPorts.

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Very Small Maximum Internal Memory

With a maximum internal memory of only 16 gigabytes, the Lenovo M91p has one of the smaller maximum internal memory amongst desktop computers of this age. The maximum internal memory of medium processor core personal computers that have been on the market for a comparable time to the M91p range from 2GB to 260GB, and the average maximum internal memory is 33GB.

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Only One PCI Express X1 Slot

Most comparable spec desktop computers that are a similar age to the M91p have between one and two PCI Express x1 slots, including the Lenovo M91p which has one PCI Express x1 slot.

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Quite Small Processor Cache

At only 6 megabytes, the Lenovo M91p has a quite small processor cache compared to most of the other medium processor core personal computers that have been available for around the same time as the M91p. The processor caches of PCs of a similar type and age to the M91p range from 2MB to 10MB, and the average processor cache is 6.6MB.

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Only Four Processor Threads

Most medium processor core personal computers that were launched around the same time as the M91p have between four and seven processor threads, including the Lenovo M91p which has four processor threads.

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Very Low System Bus Data Transfer Rate

The Lenovo M91p has a quite low system bus data transfer rate (only 5 Gigatransfers per second) compared to most of the other computers of a comparable type and age to the M91p. The average system bus data transfer rate of computers that have been available for a comparable time to the M91p is 6GT/s, and the system bus data transfer rates range from 5GT/s to 8GT/s.

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2 Other reasons to consider the Lenovo M91p

Released Over a Year Ago

It was over a year ago when Lenovo released the M91p.

Average Processor Clock Speed

The Lenovo M91p has a relatively typical processor clock speed (3.1 gigahertz) compared to most of the other computers that have been on the market for around the same time as the M91p.

If this desktop computer processor clock speed is not fast enough for you then you might want to consider the HP ProDesk 400 G2.5 SFF[plb_3094050_price] (3.2GHz and cheaper).

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Specification

Processor
Processor Core
Processor Family
Processor Clock Speed
PCI Express Slots Version
Processor Thread
System Bus Data Transfer Rate
Processor Front Side Bus
Processor Cache Level
Processor Cache
Processor Socket
Maximum Turbo Frequency
Processor Model
Memory Channel Supported Processor
Max Memory Bandwidth Supported Processor
Memory Clock Speed Supported by Processor
Memory Type Supported Processor
Max Internal Memory Supported Processor
Processor Series
Tcase
PCI Express Lane (maximum)
Processor Operating Mode
CPU Multiplier (bus/core Ratio)
Processor Codename
Processor Lithography
Thermal Design Power (TDP)
Bus Type
Processor Cache Type
Processor Installed
Memory
Internal Memory
Memory Clock Speed
Memory Slot
Memory Layout
Maximum Internal Memory
Internal Memory Type
Storage
Total Storage Capacity
Storage Medium
Hard Drive Capacity
RAID Level
RAID File Storage
Hard Drive Speed
Hard Drive Interface
Hard Drive
Storage Drive Installed
Integrated Card Reader
Optical Drive
Optical Drive
Optical Drive Type
Graphics
On-Board Graphics Adapter Model
On-Board Graphics Adapter ID
On-Board Graphics Adapter Dynamic Frequency
On-Board Graphics Adapter Base Frequency
Displayssupported by On-Board Grap
Operating System/software
Operating System
Networking
Wake-On-LAN Ready
WiFi
Cabling Technology
Ethernet LAN Data Rate
Ethernet LAN Connection
Ports & Interfaces
Serial Port
Headphone Out Port
Microphone in Port
Line-Out Port
Line-In Port
Ethernet LAN (RJ-45) Port
DisplayPort
DVI Port
VGA (D-Sub) Port
USB 2.0 Port
Expansion Slots
PCI Slot
PCI Express X16 Slot
PCI Express X1 Slot
Design
Chassis Type
5.25" Bay
3.5" Bay
Case Colour
Water Cooling System
Intel Segment Tagging
Performance
Audio System
Motherboard Chipset
Product Type
Processor Special Features
Intel Anti-Theft Technology
Intell Identity Protection Technology
Intel My WiFi Technology
Intel Quick Sync Videotechnology
Intel Hyper-Threading Technology
Intel Smart Connect Technology
Intel Turbo Boost Technology
Intel Smart Response Technology
Intel VPro Technology
Intel Wireless Display (WiDi) Technology
Intel 64
Embedded Options Available
Enhanced Intel SpeedStep Technology
Intel Rapid Start Technology
Intel Small Business Advantage (SBA)
Intel AES New Instructions
Intel FDI Technology
Idle States
Intel Insider
Intel Clear Video HD Technology
Thermal Monitoring Technology
Execute Disable Bit
Intel InTru 3D Technology
Intel Trusted Execution Technology
Intel VT-X With Extended Page Tables (EPT)
Intel Fast Memory Access
Intel Flex Memory Access
Intel Virtualization Technology (VT-X)
Instruction Set
Intel Dual Display Technology
Intel Enhanced Halt State
Intel Virtualization Technology for Directed I/O
Processor Package Size
CPU Configuration (max)
Intel Identity Protection Technology Version
Processor ARK ID
Power
Power Supply
Weight & Dimensions
Weight
Height
Depth
Width
Certificates
RoHS Compliant
Energy Star Certified
Packaging Content
Display Included
Other Features
Intel Virtualization Technology
Technical Details
Intel Visual Technology

1 Award

PC Mag Editor's Choice

Expert Reviews

(7)

The Lenovo ThinkCentre M91p hits most of the relevant marks for an enterprise-class desktop PC. The Q67 chipset gives it advanced security and management features and the Core i5 "S" processor...

Compact form factor
High build quality
Includes PCI card slot
DisplayPort jack
Easily serviced
No HDMI, eSATA
USB 3 0 ports
Only one-year warranty included
Uses external power supply
Poor performance, for the price
10 November 2011

The Lenovo ThinkCentre M91p defines the enterprise-class desktop, with an easy-to-service yet sturdy chassis. Its Intel Core i5 processor will satisfy your workers for a while...

PC Mag

4 August 2011

The Lenovo ThinkCentre M91p is a solid performer at a reasonable price. It lacks a Blu-ray disc drive and integrated Wi-Fi, but shop around online and you may grab a bargain...

It has the look of an old-school ThinkPad, but you can get similar performance and better specs at a lower price. Lenovo ThinkCentre M91p: Business-Class Desktop PC Lacks Frills Lenovo ThinkCentre...

1 August 2011

An innovate design, full-size drives, built-in security, and remote management features make the M91p Ultrasmall compact business PC a good choice for space-strapped work groups...

5 July 2011

S We used the Performance Test benchmark suite from PassMark Software to gauge the strengths and weaknesses of the M91p?s various components. Overall, the Lenovo got a score of 1,193, which is... Read more…

6 March 2012

Lenovo ThinkCentre M91p ? ?????????? ????????? ??????????? ???????? ??. ?? ???????? ?????????????, ?? ??????? ????????, ? ???????????? ?????????? Intel Core i5 ?????? ?????? ??????? ?????...

Brochures and Manuals

+- Manufacturer's Description

Product Identifiers

Manufacturer Part Numbers lenovo m91, lenovo m91p, lenovo 4480b9, lenovo 4480b9u
Barcodes 00320127524853

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See How Other PCs Compare to the Lenovo M91p

HP 800 G2 vs Lenovo M91p

HP 800 G2 vs Lenovo M91p
HP 800 G2
4 core Intel Core i7-6xxx 3.4GHz 8GB 256GB SSD
Lenovo M91p
4 core Intel Core i5-2xxx 3.1GHz 4GB 250GB HDD
£ 729.97 £426.50
Hugely Better Review from PC Advisor.co.uk
99% Narrower
Expert Reviews Are Better
75% Bigger Maximum Internal Memory
500MHz Slower On-Board Graphics Adapter Base Frequency
Only Two USB 2.0 Ports

DELL OptiPlex 9020 vs Lenovo M91p

DELL OptiPlex 9020 vs Lenovo M91p
DELL OptiPlex 9020
4 core Intel Core i5-4xxx 3.3GHz 8GB 500GB HDD
Lenovo M91p
4 core Intel Core i5-2xxx 3.1GHz 4GB 250GB HDD
£ 514.80 £426.50
Two More Awards
162mm Narrower
Better Expert Reviews
One More 5.25" Bay
Hugely Slower On-Board Graphics Adapter Base Frequency
Only One PCI Slot

HP EliteDesk 800 G1 vs Lenovo M91p

HP EliteDesk 800 G1 vs Lenovo M91p
HP EliteDesk 800 G1
4 core Intel Core i7-4xxx 3.4GHz 8GB 500GB HDD
Lenovo M91p
4 core Intel Core i5-2xxx 3.1GHz 4GB 250GB HDD
£ 664.98 £426.50
Narrower
Expert Reviews Are Better
Bigger Maximum Internal Memory
A Lot Bigger Total Storage Capacity
Vastly Slower On-Board Graphics Adapter Base Frequency
Significantly Taller
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