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 ThinkSystem SR250 - 3,8 GHz - E-2186G - 16 GB - DDR4-SDRAM - 450 W - Rack (1U)
HPE ProLiant DL580 Gen9 Configure-to-Order Server
Lenovo Server System x3550 M5 Xeon E5 v3 Six-Core 1.60 GHz Bus Speed 1600 Mhz 15 MB Cache
ThinkSystem SR645, 1xAMD EPYC 7302 16C 155W 3.0GHz 155W, 1x32GB 2Rx4, ThinkSystem Raid 940-8i 4GB Flash PCIe Gen4 12Gb Adapter, 1x750W, XCC Enterprise,
ThinkSystem SR665, 2xAMD EPYC Rome 32C 180W 2.5GHz 180W, 2x32GB 2Rx8, SW RD, 1x1100W, XCC Enterprise,
SR630 Xeon Gold 6240R (24C 2.4GHz 33MB Cache/165W) 32GB 2933MHz (1x32GB, 2Rx4 RDIMM), O/B, 930-8i, 1x750W, XCC Enterprise, Tooless Rails
NetShelter CX 38U 750 mm Wide x 1130 mm Deep Enclosure White Finish
SR630 Xeon Gold 6126 (12C 2.6GHz 19.25MB Cache/125W) 32GB(1x32GB, 2Rx4 RDIMM), O/B, 930-8i, 1x750W, XCC Standard, Tooless Rails
SR950 2 x Xeon Gold 6130 (16C 2.1GHz 22MB Cache/125W) 64GB(2x32GB, 2Rx4 RDIMM), O/B, 930-8i, 2x1600W, Rails, Lift Handles, XCC Enterprise
Lenovo System x3650 7979 - Server - Xeon DP 3,16 GHz - RAM:2 GB HDD:2 GB SAS SAS1 - DVD/CD-drive - 2 HE
Lenovo System x3550 M5 8869 - Server - Xeon E5 2,2 GHz - RAM:16 GB HDD:300 GB SAS SAS1 - 1 HE
Lenovo Server System x3650 M4 Xeon E5 v2 Quad-Core 2.50 GHz Bus Speed 6.40 GT/s 10 MB
SR550 Xeon Silver 4208 (8C 2.1GHz 11MB Cache/85W) 16GB 2933MHz (1x16GB, 2Rx8 RDIMM), O/B, 530-8i, 1x750W, XCC Enterprise, Tooless Rails
Lenovo ThinkSystem SR570 - 2,2 GHz - 4114 - 32 GB - DDR4-SDRAM - 750 W - Rack (1U)
Cisco UCS C240 M5 SFF Rack Server - Server - rack-mountable - 2U - 2-way - no CPU - RAM 0 GB - SATA/SAS - hot-swap 2.5in bay(s) - no HDD - Pilot 4 - GigE, 10 GigE - monitor none
SR950 4 x Xeon Platinum 8153 (16C 2.0GHz 22MB Cache/125W) 128GB(4x32GB, 2Rx4 RDIMM), O/B, 930-16I, 2x1600W, Rails, Lift Handles, XCC Enterprise
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.