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ThinkServer Rack Servers

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Balanced Design, Built for Business.

For cloud deployments, database, or virtualization workloads, trust ThinkServer racks for world-class performance, power-efficient designs, and extensive standard features at an affordable price.

    • ThinkServer RS140 Rack Server
    • ThinkServer RS140
    • Easily affordable, compact, entry-level 1U rack server with a purposeful design for small business or distributed environments.

    • Starting at: 

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      • Up to 1 processor: Intel® Xeon® E3-1200 v3 Series, Intel® Core™ i3 Series, or Intel® Pentium® Series / 4 cores
      • Up to 32GB memory / 4 UDIMMS
      • Up to 8TB internal storage
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    • ThinkServer RD440 Rack Server
    • ThinkServer RD440
    • Next-gen, value-oriented, 2U rack server with impressive storage capacity, manageability, and power-saving features.

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      • Up to 2 Intel® Xeon® E5-2400 v2 Series processors / 20 cores
      • Up to 192GB memory / 12 DIMMs
      • Up to 48TB internal storage
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    • ThinkServer RD540 Rack Server
    • ThinkServer RD540
    • Next-gen 1U rack server with the perfect blend of performance, memory, & I/O for your mainstream & virtualized workloads.

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      • Up to 2 Intel® Xeon® E5-2600 v2 Series processors / 24 cores
      • Up to 320GB / 20 DIMMS
      • Up to 16TB internal storage
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    • ThinkServer RD640 Rack Server
    • ThinkServer RD640
    • Next-gen, storage-rich 2U rack server perfect for virtualization & business-critical applications.

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      • Up to 2 Intel® Xeon® E5-2600 v2 Series / 24 cores
      • Up to 320GB / 20 DIMMs
      • Up to 32TB internal storage
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Lenovo has won more than 100 international awards for forward-thinking design.


Compare Features

Standard on All ModelsAvailable on Select ModelsNot Available
Rack Servers
Form Factor
RS140 RD440 RD540 RD640

1U Rack


2U Rack


Single Socket Intel&re; Xeon® E3-1200 v3 Series


Single Socket Intel® Core™ i3 Series


Single Socket Intel® Pentium® Series


Dual Socket Intel® Xeon® E5-2600 v2 Series


Dual Socket Intel® Xeon® E5-2400 v2 Series


Up to 32GB (4 slots)


Up to 192 GB (12 slots)


Up to 320GB (20 slots)

Hard Drive

3.5" Fixed


2.5" Fixed


3.5" Hot-Swap


2.5" Hot-Swap

Storage Controller

Integrated ThinkServer RAID 100 (0/1/10/5*)

*RAID 5 is only available with the optional upgrade key.

Integrated ThinkServer RAID 300 (0/1/10/5*)

*RAID 5 is only available with the optional upgrade key.

ThinkServer RAID 500 Adapter (0/1/10/5*/6*)

*RAID 5 and RAID 6 are only available with the optional upgrade key.

ThinkServer RAID 700 Adapter (0/1/10/5/50/60)


ThinkServer RAID 710 Adapter (0/1/10/5/50/60)

Network Interface

2 x Integrated 1Gb Ethernet


3 x Integrated 1Gb Ethernet


1 Fixed: 300 Watt


1 + 1 Redundant Hot-Swap Power: 550 Watt


1 + 1 Redundant Hot-Swap Power: 800 Watt


Intel® Advanced Management Technology (AMT)


ThinkServer Management Module

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Limits: Limit 5 per customer. Offers valid from Lenovo in Canada only.

Availability: Offers, prices, specifications and availability may change without notice. Lenovo will contact you and cancel your order if the product becomes unavailable or if there was a pricing or typographic error.

General: Review key information provided by Microsoft that may apply to your system purchase, including details on Windows 8, Windows 7, and potential upgrades/downgrades. Lenovo makes no representation or warranty regarding third-party products or services.

Trademarks: Lenovo, ThinkPad, ThinkCentre, ThinkStation and the Lenovo logo are trademarks of Lenovo. Microsoft, Windows, Windows NT, and the Windows logo are trademarks of Microsoft Corporation. Ultrabook, Celeron, Celeron Inside, Centrino, Centrino Inside, Core Inside, Intel, Intel Logo, Intel Atom, Intel Atom Inside, Intel Core, Intel Inside, Intel Inside Logo, Intel Viiv, Intel vPro, Itanium, Itanium Inside, Pentium, Pentium Inside, Viiv Inside, vPro Inside, Xeon, and Xeon Inside are trademarks of Intel Corporation in the U.S. and other countries. Other company, product or service names may be trademarks or service marks of others. www.intel.com/go/rating

Warranty: For a copy of applicable warranties, write to: Lenovo Warranty Information, 1009 Think Place, Morrisville, NC, 27560. Lenovo makes no representation or warranty regarding third party products or services. The Lenovo Limited Warranty applies only to Lenovo hardware products purchased for your own use, and does not transfer upon resale.

Battery: These systems do not support batteries that are not genuine Lenovo-made or authorized. Systems will continue to boot, but may not charge unauthorized batteries. Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no warranties for failures or damage arising out of their use. Battery life (and recharge times) will vary based on many factors, including system settings and usage.

Pricing: Does not include tax, shipping and handling, or recycling fees. Reseller prices may vary. Savings referenced off regular Lenovo web prices.

**Ship date: An estimated ship date will be posted on our order status site after your order is placed. The date reflected above does not determine when your order will ship since inventory status may change before your order is final and because items may be held until all products on the order are ready to ship. To obtain the latest information about the availability of a specific part number, please call the phone number listed in the masthead at the top of this page. A flat charge for shipping & handling may apply for certain orders, as indicated on the Checkout page.