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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 Cores Processor Family Processor Frequency 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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9 Reasons For

64-Bit Processor Operating Modes

This desktop computer supports a 64-bit processor operating modes, which is typical of many PCs of this age and type.

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Very Fast On-Board Graphics Adapter Base Frequency

With an on-board graphics adapter base frequency of 850 megahertz, the Lenovo M91p has a very fast on-board graphics adapter base frequency compared to most of the other comparable spec personal computers that were released around the same time as the M91p. The slowest on-board graphics adapter base frequency of similar spec personal computers that are a comparable age to the M91p is 200MHz and the fastest is 850MHz.

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Good Brand

Lenovo has good average reviews for its medium processor cores computers as well as across its entire personal computer range compared to other brands.

L3 Processor Cache Level

This personal computer has a L3 processor cache level, which is typical of many medium processor cores computers that were released around the same time as it.

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

This computer has a 10/100/1000Base-T(X) cabling technology, which is the most frequently found cabling technology on desktop computers of a comparable spec and age to it.

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Two PCI Slotss

The Lenovo M91p has more PCI slotss than most of the medium processor cores computers that are a similar age to the M91p. Most of the PCs of a similar type and age to the M91p only have one PCI slots, however this personal computer has two PCI slotss.

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Eight USB 2.0 Ports Quantitys

Most medium processor cores computers that came out more than a year ago have between one and nine USB 2.0 ports quantitys, including the Lenovo M91p which has eight USB 2.0 ports quantitys.

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Has One Memory Slots

The Lenovo M91p has a greater number of memory slots than most PCs that are a comparable age to it. This desktop computer has a 4x DIMM memory slots, which is the most commonly found memory slots found on medium processor cores computers that came out around the same time as the M91p.

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Very Fast Processor Front Side Bus

The Lenovo M91p has one of the fastest processor front side buss (1,333 megahertz) amongst personal computers of this age. Desktop computers that have been available for around the same time as the M91p have processor front side buss of between 400MHz and 1,400MHz, and the average processor front side bus is 970MHz.

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16 Reasons Against

Only Two Number of Displays Supported (on-Board Graphics)s

The Lenovo M91p is a two number of displays supported (on-board graphics) desktop computer.

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Quite Slow Memory Bandwidth Supported by Processor (max)

The slowest memory bandwidth supported by processor (max) of personal computers of this type and age is 10GB/s, the fastest is 68GB/s, and the average memory bandwidth supported by processor (max) is 30GB/s. The memory bandwidth supported by processor (max) of the Lenovo M91p of only 21 gigabytes per second is one of the slowest amongst computers that have been around for around the same time as the M91p.

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Quite Slow Memory Clock Speeds Supported by Processor

The memory clock speeds supported by processors of personal computers of this spec and age range from 800MHz to 2,200MHz. The Lenovo M91p has a very slow memory clock speeds supported by processor (only 1,066 megahertz) compared to most of the other desktop computers of a comparable age and type to the M91p.

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Quite Small Hard Drive Capacity

Across all the medium processor cores computers that have been available for around the same time as the M91p the hard drive capacitys range from 1GB to 3TB, and the average hard drive capacity is 920GB. When compared to other medium processor cores computers that have been on the market for around the same time as the M91p, the Lenovo M91p's hard drive capacity of only 250 gigabytes is one of the smallest.

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Very Small Total Storage Capacity

With a total storage capacity of only 250 gigabytes, the Lenovo M91p has one of the smaller total storage capacitys amongst medium processor cores computers of this age. Across all the medium processor cores computers that have been on the market for more than a year the total storage capacitys range from 4GB to 3.6TB, and the average total storage capacity is 820GB.

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Very Small Maximum Internal Memory Supported by Processor

The maximum internal memory supported by processors of computers of a similar type and age to the M91p range from 2GB to 770GB, and the average maximum internal memory supported by processor is 64GB. With a maximum internal memory supported by processor of only 32 gigabytes, the Lenovo M91p has a quite small maximum internal memory supported by processor compared to most of the other medium processor cores computers that were released one year ago.

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Only HDD Storage Media

The storage speed of this personal computer is HDD, which is the most commonly found storage media on computers of this spec and age. 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.

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Quite Small Internal Memory

The internal memory of the Lenovo M91p of only 4 gigabytes is one of the smallest amongst medium processor cores computers that were launched around the same time as the M91p. Comparable spec PCs that are a similar age to the M91p have internal memorys of between 2GB and 32GB.

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Quite Slow Memory Clock Speed

The slowest memory clock speed of similar spec desktop computers that came out around the same time as the M91p is 1,000MHz, the fastest is 2,400MHz, and the average memory clock speed is 1,800MHz. With a memory clock speed of only 1,333 megahertz, the Lenovo M91p has a very slow memory clock speed compared to most of the other medium processor cores computers that came out around the same time as the M91p.

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Only One Number of 5.25" Bays

Most medium processor cores computers that are a similar age to the M91p have between one and three number of 5.25" bayss, including the Lenovo M91p which has one number of 5.25" bays.

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Only One DisplayPorts Quantity

The Lenovo M91p is a one displayPorts quantity computer. Most of the other medium processor cores computers that have been around for more than a year have between one and three displayPorts quantitys.

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Very Small Maximum Internal Memory

At only 16 gigabytes, the Lenovo M91p has a quite small maximum internal memory compared to most of the other PCs of a similar type and age to the M91p. The maximum internal memorys of medium processor cores computers that have been around for a similar time to the M91p range from 2GB to 260GB.

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Only One PCI Express X1 Slots

The Lenovo M91p is a one PCI Express x1 slots computer.

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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 cores computers that are a similar age to the M91p. Across all the comparable spec computers that are a similar age to the M91p the processor caches range from 2MB to 10MB, and the average processor cache is 6.5MB.

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Quite Low System Bus Rate

The system bus rates of comparable spec computers that were launched around the same time as the M91p range from 5GT/s to 8GT/s, and the average system bus rate is 6.1GT/s. When compared to other desktop computers of this spec and age that we have checked the system bus rate of, the Lenovo M91p's system bus rate of only 5 Gigatransfers per second is one of the lowest.

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Only Four Processor Threadss

The Lenovo M91p is a four processor threads desktop computer. Most of the other medium processor cores computers that came out more than a year ago have between four and seven processor threadss.

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2 Other reasons to consider the Lenovo M91p

Released Over a Year Ago

This medium processor cores computer was released over a year ago.

Average Processor Frequency

At 3.1 gigahertz, the Lenovo M91p has a pretty typical processor frequency compared to most of the other medium processor cores computers that have been around for around the same time as the M91p.

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Specification

Processor
Processor Cores
Processor Family
Processor Frequency
PCI Express Slots Version
Processor Threads
System Bus Rate
Processor Front Side Bus
Processor Cache Level
Processor Cache
Processor Socket
Processor Boost Frequency
Processor Model
ECC Supported by Processor
Memory Channels Supported by Processor
Memory Bandwidth Supported by Processor (max)
Memory Clock Speeds Supported by Processor
Memory Types Supported by Processor
Maximum Internal Memory Supported by Processor
Conflict Free Processor
Processor Series
Tcase
Maximum Number of PCI Express Lanes
Processor Operating Modes
CPU Multiplier (bus/core Ratio)
Processor Codename
Processor Lithography
Thermal Design Power (TDP)
Bus Type
Processor Cache Type
Number of Processors Installed
Memory
Internal Memory
Memory Clock Speed
Memory Slots
Memory Layout (slots X Size)
Maximum Internal Memory
Internal Memory Type
Storage
Total Storage Capacity
Storage Media
Hard Drive Capacity
RAID Levels
RAID Support
Hard Drive Speed
Hard Drive Interface
Number of Hard Drives Installed
Number of Storage Drives Installed
Card Reader Integrated
Optical Drive
Optical Drives Quantity
Optical Drive Type
Graphics
On-Board Graphics Adapter Model
On-Board Graphics Adapter ID
On-Board Graphics Adapter Dynamic Frequency (max)
On-Board Graphics Adapter Base Frequency
Number of Displays Supported (on-Board Graphics)
On-Board Graphics Adapter
On-Board Graphics Adapter Family
Software
Operating System Installed
Networking
Wake-On-LAN Ready
Wi-Fi
Cabling Technology
Ethernet LAN Data Rates
Ethernet LAN
Ports & Interfaces
Serial Ports Quantity
Headphone Outputs
Microphone in
Line-Out
Line-in
Ethernet LAN (RJ-45) Ports
DisplayPorts Quantity
DVI Port
VGA (D-Sub) Ports Quantity
USB 2.0 Ports Quantity
Expansion Slots
PCI Slots
PCI Express X16 Slots
PCI Express X1 Slots
Design
Chassis Type
Number of 5.25" Bays
Number of 3.5" Bays
Colour of Product
Water Cooling System
Intel Segment Tagging
Performance
Audio System
Motherboard Chipset
Product Type
Processor Special Features
Intel® Anti-Theft Technology (Intel® AT)
Intel® Identity Protection Technology (Intel® IPT)
Intel® My WiFi Technology (Intel® MWT)
Intel® Quick Sync Video Technology
Intel® Hyper Threading Technology (Intel® HT Technology)
Intel Smart Connect Technology
Intel® Turbo Boost Technology
Intel® Smart Response Technology
Intel® VPro™ Technology
Intel® Wireless Display (Intel® WiDi)
Intel 64
Embedded Options Available
Enhanced Intel SpeedStep Technology
Intel® Rapid Start Technology
Intel® Small Business Advantage (Intel® SBA)
Intel Clear Video Technology
Intel® AES New Instructions (Intel® AES-NI)
Intel FDI Technology
Idle States
Intel® Insider™
Intel® Clear Video HD Technology (Intel® CVT HD)
Thermal Monitoring Technologies
Execute Disable Bit
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)
Supported Instruction Sets
Intel Dual Display Capable Technology
Intel Enhanced Halt State
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)
Intel Virtualization Technology for Directed I/O (VT-D)
Processor Package Size
CPU Configuration (max)
Intel Rapid Storage Technology
Intel Demand Based Switching
Intel Identity Protection Technology Version
Processor ARK ID
Power
Power Supply
Weight & Dimensions
Weight
Height
Depth
Width
Certificates
RoHS Compliance
Energy Star Certified
Packaging Content
Display Included
Other Features
Intel® Virtualization Technology (Intel® VT)
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 ?????? ?????? ??????? ?????...

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See How Other PCs Compare to the Lenovo M91p

HP Z240 vs Lenovo M91p

HP Z240 vs Lenovo M91p
HP Z240
4 core Intel Core i5-6xxx 3.2GHz 8GB 500GB HDD
Lenovo M91p
4 core Intel Core i5-2xxx 3.1GHz 4GB 250GB HDD
£ 719.99
Better Expert Reviews
Significantly Bigger Maximum Internal Memory
A Lot Bigger Internal Memory
Two DisplayPorts Quantitys
Two Times Slower On-Board Graphics Adapter Base Frequency
Four Less USB 2.0 Ports Quantitys

Lenovo P310 vs Lenovo M91p

Lenovo P310 vs Lenovo M91p
Lenovo P310
4 core Intel Core i5-6xxx 3.2GHz 8GB 1TB Hybrid-HDD
Lenovo M91p
4 core Intel Core i5-2xxx 3.1GHz 4GB 250GB HDD
£ 722.40
48GB Bigger Maximum Internal Memory
Bigger Total Storage Capacity
Bigger Hard Drive Capacity
1,067MHz Faster Memory Clock Speeds Supported by Processor
2x Slower On-Board Graphics Adapter Base Frequency
Six Less USB 2.0 Ports Quantitys

Hannspree Micro PC vs Lenovo M91p

Hannspree Micro PC vs Lenovo M91p
Hannspree Micro PC Lenovo M91p
4 core Intel Core i5-2xxx 3.1GHz 4GB 250GB HDD
£ 69.99
331mm Shallower
226.1mm Narrower
10x Shorter
Lighter
218GB Smaller Total Storage Capacity
218GB Smaller Hard Drive Capacity
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