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Rack servers for businesses: high density, clean structure, reliable performance

A rack server bundles computing power in a space-saving manner in a server cabinet – ideal for standardized, scalable IT landscapes. Whether 1U for web workloads or 2U for virtualization: a well-designed rack system reduces effort, costs, and downtime.

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Lenovo 7X99A00GEA

SR590 Xeon Bronze 3104 (6C 1.7GHz 8.25MB Cache/85W) 16GB (1x16GB, 2Rx8 RDIMM), O/B, 930-8i, 1x750W, XCC Standard, Tooless Rails

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Lenovo 7X02A0EHEA

SR630 Xeon Silver 4215R (8C 3.2GHz 11MB Cache/130W) 16GB 2933MHz (1x16GB, 2Rx8 RDIMM), O/B, 930-8i, 1x750W, XCC Enterprise, Tooless Rails

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HPE P46252-B21

HPE Alletra Storage Server 4120 24LFF Configure-to-order System

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Lenovo 8871AC1

Lenovo System x3650 M5 Configure To Order SFF

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IBM 7145AC1

X3850 X5 xSeries Server Configure to Order

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Lenovo 7945D4X

Lenovo System x3650 M3 2.4GHz E5620 460W Rack (2U) Server

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Lenovo 7X06A0B9EA

ThinkSystem SR650, 1xIntel Xeon Silver 4214 12C 2.2GHz 85W, 1x16GB 2Rx8, SW RD, 1x750W, XCC Enterprise, ThinkSystem Toolless Slide Rail

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Lenovo 7915B3X

Lenovo Server System x3650 M4 Xeon E5 v2 Quad-Core 2.50 GHz Bus Speed 6.40 GT/s 10 MB

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Lenovo 5463C4U

Lenovo .Server System x3550 M5 Xeon E5 v3 Six-Core 2.40 GHz Bus Speed 8.00 GT/s 15 MB

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HPE 665552-B21

HPE ProLiant DL380P Gen8 12 LFF Configure-to-Order Server

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HPE 755258-B21

HPE DL360 Gen9 8SFF CTO Server

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IBM 7945L4U

IBM SYSTEM X3650 M3 2.80G 12

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IBM 71454DU

IBM SYSTEM X3950 X5 4X2.00G

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Cisco APIC-L4

APIC Appliance - Lage Configuration(more than 1200 EdgePorts)

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Lenovo 7X06A011EA

Lenovo SR650 - 2,40 GHz - 5115 - 16 GB - DDR4-SDRAM - 1100 W - Rack (2U)

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Avaya 700508955

Avaya S8300E - Voice/video/data server - plug-in module

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IBM 8863E5G

IBM eServer xSeries 366 8863 - Xeon MP 3.66 GHz - 1 GB - 0 GB

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Lenovo 7X06A04QEA

SR650 Xeon Silver 4114 (10C 2.2GHz 13.75MB Cache/85W) 16GB (1x16GB, 2Rx8 RDIMM), O/B, 930-8i, 1x750W, XCC Enterprise, Tooless Rails, Front VGA

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HPE P92538-425

HPE ProLiant Compute DL380 Gen12 6505P 2.2GHz 12c 1P 4x32GB-R 8SFF MR408i-o 2x1000W PS EU Server

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Avaya 700501102

DL360PG7 Server 1CPU MID

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HPE P86700-425

HPE ProLiant DL385 Gen11 9115 2.6GHz 16c 1P 2x32GB-R 8SFF 1x7.68TB NVMe SSD 2x1000W PS EU Server

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IBM 71413AU

IBM SYSTEM X3950 M2 2X2.40G

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HPE P53934-B21

HPE ProLiant DL365 Gen11 EDSFF Configure-to-order Server

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NetApp SG6100-CN-001-SGEX-100GB

SG6100 Comp Node,1U,4x100GbE

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What is a rack server and when is it worthwhile?

A rack server is a standardized enclosure (usually 19 inches) for mounting in a rack for servers. It allows high density, clear cabling, and efficient cooling – from edge locations to data centers.

Typical areas of application:

  • Virtualization, databases, file services
  • Private cloud and container workloads
  • VDI/terminals, ERP/CRM, backup targets 

Advantages at a glance 

  • Scalability: Easy expansion with additional height units (U) 
  • Service-friendly: Front access, rail systems, hot-swap components 
  • Standardization: Uniform 19-inch infrastructure, predictable spare parts 

Which rack system is right for you? 19-inch, 10-inch, or mini rack 

The 19-inch server rack is the corporate standard. It offers maximum manufacturer and accessory compatibility (PDU, KVM, cable management). In confined IT rooms, shops, or PoS environments, 10-inch server rack solutions are an option. For branch offices, a mini rack server with a short depth and low noise level is ideal. 

Planning dimensions correctly 

  • Height units (U): 1U/2U determine density and expandability 
  • Depth: Take into account device and cable space (rails, connectors, bending radii) 
  • Cooling & airflow: Front-to-rear, blanking panels to prevent bypass airflow 

Top manufacturers: Dell, HPE, and Lenovo 

Performance, availability, and lifecycle services are key purchasing factors. 

  • Dell rack servers: PowerEdge series with broad CPU/RAM scaling, iDRAC management, and a strong ecosystem. 
  • Hewlett Packard rack servers: HPE ProLiant with iLO management, smart storage, and sophisticated security functionality. 
  • Lenovo server rack: ThinkSystem with high efficiency, versatile RAID options, and quiet acoustic profile. 

Important selection criteria when purchasing a rack server 

Requirements should be clearly defined before purchasing. 

Performance & architecture 

  • CPU: Plan cores per license model and workload (VM density, DB threads) 
  • RAM: Reserve for cache, in-memory shares, and future upsizing steps 
  • Storage: NVMe/SAS mix for latency and capacity; consider RAID/erasure coding 

Network & expansions 

  • Ports: 1/10/25/40/100 GbE according to traffic profile; Check SFP+/DAC compatibility 
  • IO slots: Allow space for HBAs, GPUs, or backup controllers 
  • Out-of-band: Remote management (iDRAC/iLO/XClarity) for 24/7 operation 

Operation & Availability 

  • Redundancy: Dual PSU, hot-swap fans, multipath network; define spare parts logic 
  • Lifecycle: Firmware path, support contracts, spare parts availability 

Rack servers: new, used, and refurbished at it-market 

At it-market, you can find a variety of rack servers in tested quality – new, used, or refurbished. 

We offer: 

  • 3-year warranty for companies
  • Up to 2,500 euros buyer protection 
  • Short delivery times 

Do you have any questions? Our sales team is happy to answer any questions you may have about IT hardware and IT remarketing.