The document compares the Lenovo ThinkStation P900, P700, P500, P300 Tower, and P300 SFF workstations to models from HP and Dell. It summarizes the key specifications where the Lenovo workstations score higher. The Lenovo workstations offer more powerful and efficient power supplies, greater storage capacity and interface support, more expansion slots and graphics card support, and a tool-less modular design for easier serviceability. A similar comparison is made between the Lenovo ThinkPad W541 and W550s mobile workstations and models from HP and Dell, noting advantages like the ThinkPad keyboard, thinner designs, and color calibration on the W541.

1. Lenovo Workstations.
The best designed workstations ever.
Lenovo®
recommends Windows.

2. P900
Lenovo®
recommends Windows.
TOOL-LESS
MODULAR
DESIGN
THINKSTATION P900 SCORES HIGHER
THAN HP AND DELL WHEN IT COMES TO:
HP Z840
850W/1125W
88%/90%
12
6Gbps
3
7
0
NO
UP TO 2x K6000
NO
DELL T7910
1300W
90%
8
12Gbps
4
7
0
NO
UP TO 3x K6000
NO
THINKSTATION P900
1300W
92%
14
12Gbps
4
8
2
YES
UP TO 3x K6000
YES
POWER SUPPLY
POWER EFFICIENCY
MAX STORAGE
SAS SUPPORT
x16 CONNECTOR
I/O SLOTS
FLEX CONNECTORS
FLEX MODULE
GRAPHICS
DIAGNOSTICS
The Lenovo ThinkStation P900
offers a more efficient and tool-less
power supply. Saving you on
operating costs, and making it
easier to service.
POWER SUPPLY
The ThinkStation P900 supports up
to 14 storage drives, whereas HP
supports 12 and Dell supports
a maximum of 8 drives. Using our
exclusive FLEX Connector, the P900
is the only system that supports
FLEX Drives (M.2 PCIe SSDs), the
highest performing drives available
(up to 3x faster than standard
SSDs), without sacrificing I/O
slots. P900 also supports the latest
12Gbps SAS technology versus
HP’s support for only 6Gbps SAS.
STORAGE
ThinkStation P900 supports up to
3 NVIDIA®
Quadro®
K6000 graphics
cards, while HP Z840 only supports 2.
The P900 also supports up to 4
powered graphics cards up to 825W.
The HP Z840 does not.
GRAPHICS
The Lenovo ThinkStation®
P900 has
the FLEX Bay designed to support a
hard disk drive, an optical drive,
or the FLEX Module. The FLEX
Module can be used to support an
ultra-slim optical drive, a media
card reader, eSATA and FireWire
(IEEE 1394).
FLEXIBILITY
On Lenovo workstations plug your
Android™
-based tablet or
smartphone into the USB port for
system analysis. Quickly determine
if an error is hardware or software-
based, and save downtime
and money.
DIAGNOSTICS
The ThinkStation P900 has a total
of 8 PCIe slots for maximum
configurability versus 7 for HP and
Dell. The P900 also has 4 full x16
connectors when compared to only
3 for HP.
I/O
The ThinkStation P900 workstation’s
internal design features intuitive red
touch points, making component
changes easy. Access everything, even
the motherboard, tool-lessly.
DESIGN

3. P700
Lenovo®
recommends Windows.
THINKSTATION P700 SCORES HIGHER
THAN HP AND DELL WHEN IT COMES TO:
HP Z640
925W
90%
8
6
2
5
0
NO
NO
NO
DELL T7810
685W/825W
90%/90%
8
4
2
6
0
NO
NO
NO
THINKSTATION P700
490W/650W/850W
90%/92%/92%
12
12
3
6
1
YES
YES
YES
POWER SUPPLY
POWER EFFICIENCY
MEMORY DIMMs
MAX STORAGE
x16 CONNECTOR
I/O SLOTS
FLEX CONNECTOR
FLEX MODULE
INTEGRATED MEDIA
CARD READER
DIAGNOSTICS
The Lenovo ThinkStation P700 offers
a greater range of power supplies,
(supporting more configurations),
which are more efficient saving you
on operating costs. The power
supplies are also tool-less, making
them easier to replace.
POWER SUPPLY
The ThinkStation P700 supports
up to 12 storage drives, whereas
HP supports 6 and Dell supports
a maximum of 4 drives. Using our
exclusive FLEX Connector, the
P700 is the only system that
supports FLEX Drives (M.2 PCIe
SSDs), the highest performing
drives available (up to 3x faster
than standard SSDs), without
sacrificing I/O slots. P700 also
supports the latest 12Gbps SAS
technology versus HP’s support
for only 6Gbps SAS.
STORAGE
The ThinkStation P700 supports up
to 12 memory DIMMs. HP and Dell
only support a maximum of 8 DIMMs.
MEMORY
The Lenovo ThinkStation P700 has
the FLEX Bay designed to support
a hard disk drive, an optical drive,
or the FLEX Module. The FLEX
Module can be used to support an
ultra-slim optical drive, a media
card reader, eSATA and FireWire
(IEEE 1394).
FLEXIBILITY
On Lenovo workstations plug your
Android™
-based tablet
or smartphone into the USB port
for system analysis. Quickly
determine if an error is hardware
or software-based, and save
downtime and money.
DIAGNOSTICS
The ThinkStation P700 has 3 full
x16 connectors (electrical and
mechanical) for more graphics card
support. The P700 also has 6 I/O
connectors when used on dual CPU
configurations, versus HP’s 5 in the
same type of configurations.
I/O
The ThinkStation P700 workstation’s
internal design features intuitive red
touch points, making component
changes easy. Access everything, even
the motherboard, tool-lessly.
DESIGN
TOOL-LESS
MODULAR
DESIGN

4. P500
Lenovo®
recommends Windows.
THINKSTATION P500 SCORES HIGHER
THAN HP AND DELL WHEN IT COMES TO:
HP Z440
525W/700W
85%/90%
6
0
NO
UP TO K6000
NO
DELL T5810
425W/685W
90%/90%
4
0
NO
UP TO K5200
NO
THINKSTATION P500
490W/650W/850W
90%/92%/92%
11
1
YES
UP TO K6000
YES
POWER SUPPLY
POWER EFFICIENCY
MAX STORAGE
FLEX CONNECTOR
FLEX MODULE
GRAPHICS
DIAGNOSTICS
The P500 supports up to NVIDIA®
Quadro®
K6000 graphics card.
Dell only supports up to NVIDIA®
Quadro®
K5200.
GRAPHICS
The Lenovo ThinkStation P500 offers
a greater range of power supplies,
(supporting more configurations),
which are more efficient saving you
on operating costs. The power
supplies are also tool-less, making
them easier to replace.
POWER SUPPLY
The Lenovo ThinkStation P500 has
the FLEX Bay designed to support
a hard disk drive, an optical drive,
or the FLEX Module. The FLEX
Module can be used to support an
ultra-slim optical drive, a media card
reader, eSATA and FireWire
(IEEE 1394).
FLEXIBILITY
The ThinkStation P500 supports
up to 11 storage drives, whereas
HP supports 6 and Dell supports 4
drives. Using our exclusive FLEX
Connector, the P500 is the only
system that supports FLEX Drives
(M.2 PCIe SSDs), the highest
performing drives available (up to
3x faster than standard SSDs),
without sacrificing I/O slots. P500
also supports the latest 12Gbps
SAS technology versus HP’s
support for only 6Gbps SAS.
STORAGE
On Lenovo workstations plug your
Android™
-based tablet or
smartphone into the USB port
for system analysis. Quickly
determine if an error is hardware
or software-based, and save
downtime and money.
DIAGNOSTICS
The ThinkStation P500 workstation’s
internal design features intuitive red
touch points, making component
changes easy. Access everything,
even the motherboard, tool-lessly.
DESIGN
TOOL-LESS
MODULAR
DESIGN

5. P300 TOWER
Lenovo®
recommends Windows.
THINKSTATION P300 TOWER SCORES HIGHER
THAN HP AND DELL WHEN IT COMES TO:
HP Z230
320W/400W
(NA)/92%
3
NO
NO
NO
DELL T1700
290W/365W
65%/90%
4
YES
NO
NO
THINKSTATION
P300 TOWER
280W/450W
85%/92%
4
YES
YES
YES
POWER SUPPLY
POWER EFFICIENCY
MAX STORAGE
RAID 10
FLEX MODULE
INTEGRATED MEDIA
CARD READER
The ThinkStation P300 Tower
supports up to 4 storage drives
whereas HP only supports a
maximum of 3 drives. The P300 Tower
also supports RAID 0, 1, 5, 10.
HP does not support RAID 10.
STORAGE
The Lenovo ThinkStation P300
Tower has a FLEX Bay which is
designed to support a hard disk
drive, optical drive, or FLEX
Module. The FLEX Module
supports an ultra-slim optical
drive, media card reader, eSATA
and FireWire (IEEE 1394).
FLEXIBILITY
The ThinkStation P300 Tower offers
more efficient power supplies,
reducing operating costs. Dell only
offers up to a 90% efficient power
supply and the 290W power supply is
only 65% efficient. Choose the power
supply that best supports your
configuration.
POWER SUPPLY
Easily support your media devices
and increase productivity.
INTEGRATED MEDIA
CARD READER

6. P300 SFF
Lenovo®
recommends Windows.
THINKSTATION P300 SFF SCORES HIGHER
THAN HP AND DELL WHEN IT COMES TO:
HP Z230
SFF
240W
92%
2
NO
NO
DELL T1700
SFF
255W/255W
65%/90%
2
NO
NO
THINKSTATION
P300 SFF
240W/240W
85%/92%
3
YES
YES
POWER SUPPLY
POWER EFFICIENCY
MAX STORAGE
RAID 5
INTEGRATED MEDIA
CARD READER
The ThinkStation P300 SFF
supports up to 3 storage drives
whereas HP and Dell only supports
a maximum of 2 drives. The P300
SFF supports RAID 0, 1, 5; Dell
and HP only support RAID 0, 1.
STORAGE
The ThinkStation P300 SFF offers
a more efficient power supply,
saving you on operating costs.
Dell only offers up to a 90%
efficient power supply and one of
the 255W power supplies is only
65% efficient. Choose the power
supply that best supports your
configuration.
POWER SUPPLY
Easily support your media devices
and increase productivity.
INTEGRATED MEDIA
CARD READER

7. W541
Lenovo®
recommends Windows.
THINKPAD W541 SCORES HIGHER THAN
HP AND DELL WHEN IT COMES TO:
HP ZBOOK
15"
NO
YES
30.5mm
6.20 lbs/
2.81kg
NO
DELL PRECISION
M4800
NO
NO
36.2mm
6.35 lbs/
2.88kg
NO
THINKPAD
W541
YES
YES
27.9mm
5.57 lbs/
2.53kg
YES
THINKPAD KEYBOARD
IPS DISPLAY
HEIGHT
WEIGHT
COLOR
CALIBRATOR
The ThinkPad W541 offers
advanced graphics, the NVIDIA®
Quadro®
K2100M, and is certified
for all key ISV applications.
GRAPHICS
The ThinkPad®
W541 delivers the
ultimate in mobile workstation
computing and graphics
capabilities, but in a thinner and
lighter form factor when compared
to products from HP and Dell.
THINNER AND LIGHTER
The W541 optimizes graphics
performance with an integrated
X-Rite®
Pantone®
color calibrator
to ensure color accuracy for the
life of the display. The X-Rite®
Pantone®
color calibration yields
greater image accuracy, more
precise color matching, and a
consistently true display.
COLOR CALIBRATOR
ThinkPad keyboards are world
renowned for their durability,
responsiveness, quality and
superior feel.
LEGENDARY KEYBOARD

8. W550s
Lenovo®
recommends Windows.
*
Based on internal benchmark testing.
Lenovo makes every effort to ensure accuracy of all information but is not liable or responsible for any editorial, photographic or typographic errors. All images are for illustrative purposes only. For full Lenovo product specifications visit www.lenovo.com Lenovo makes no
representations or warranties regarding third-party products or services. Trademarks: The following are trademarks or registered trademarks of Lenovo: Lenovo, the Lenovo logo, For Those Who Do, ThinkPad and ThinkStation. Microsoft and Windows are registered trademarks of
Microsoft Corporation. Android is a trademark of Google Inc. Other company, product and service names may be trademarks or service marks of others. ©2015 Lenovo. All rights reserved.
THINKPAD W550s SCORES HIGHER THAN
HP AND DELL WHEN IT COMES TO:
HP ZBOOK
ULTRABOOK
YES
AMD FirePro™
M4170 1GB
NO
YES
YES
YES
YES
YES
YES
DELL
PRECISION M3800
NO
NVIDIA®
Quadro®
K1100M 2GB
NO
NO
NO
NO
NO
NO
NO
THINKPAD
W550s
YES
NVIDIA®
Quadro®
K620M 2GB
YES
YES
YES
YES
YES
YES
YES
MIL-SPEC TESTED
GRAPHICS
POWER BRIDGE
TOUCH DISPLAY
IPS DISPLAY
3K DISPLAY
3G/4G LTE
INTEGRATED
ETHERNET PORT
MECHANICAL
DOCKING
The ThinkPad W550s features Power
Bridge technology, allowing for
superior battery life, up to 20 hours.
BATTERY LIFE
The ThinkPad W550s offers
best-in-class graphics capabilities
powered by the NVIDIA®
Quadro®
K620M GPU, based on the latest
NVIDIA®
Maxwell mobile GPU
architecture. The new NVIDIA®
Quadro®
K620M outperforms the
K1100M and the AMD FirePro
M4170.*
With its vivid colors and stellar
viewing angles, the 3K IPS display
of the W550s is sure to impress
even the most discerning user.
GRAPHICS
The ThinkPad W550s delivers
workstation performance out in the
field, or in the office with mechanical
docking capabilties. You can't dock
the Dell Precision M3800.
MECHANICAL DOCKING
ThinkPad keyboards are world
renowned for their durability,
responsiveness, quality and
superior feel.
LEGENDARY KEYBOARD
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(217)318-3084
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