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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Cisco Hyperflex System HX220c M5 All Flash - Server - rack-mountable - 1U - 2-way - no CPU - RAM 0 GB - SATA/SAS - hot-swap 2.5in bay(s) - no HDD - Pilot 4 - 10 GigE - monitor none
ThinkSystem SR650, 1xIntel Xeon Gold 6242 16C 2.8GHz 150W, 1x16GB 2Rx8, SW RD, 1x1100W, XCC Enterprise, ThinkSystem Toolless Slide Rail
Lenovo System x3650 M5 8871 - Server - rack mount
Disti:C240M3SFF2,w/o,CPU,Mem,HD,PCIe,PSU,w/Rls,HSnk,Blnk
SR570 Xeon Bronze 3106 (8C 1.7GHz 11MB Cache/85W) 16GB (1x16GB, 2Rx8 RDIMM), O/B 3,5 inch Simple Swap, SW SATA, 1x750W, XCC Standard, Tooless Rails
Dell EMC PowerEdge R640 10x SFF CTO Server
ThinkSystem SR630, 1xIntel Xeon Gold 6242 16C 2.8GHz 150W, 1x16GB 2Rx8, RAID 930-8i 2GB Flash PCIe 12Gb Adapter, 1x1100W, XCC Enterprise, ThinkSystem Toolless Slide Rail
Supermicro .Server Pentium G Dual-Core 3.10 GHz Bus Speed 5.00 GT/s 3 MB Cache RAM 8 GB 80
SR630 Xeon Silver 4210R (10C 2.4GHz 13.75MB Cache/100W) 16GB 2933MHz (1x16GB, 2Rx8 RDIMM), O/B, 930-8i, 1x750W, XCC Enterprise, Tooless Rails
SR650 Xeon Gold 6230R (26C 2.1GHz 35.75MB Cache/165W) 32GB 2933MHz (1x32GB, 2Rx4 RDIMM), No Backplane, No RAID, 1x750W, XCC Enterprise, Tooless Rails
SR650 Xeon Gold 6142 (16C 2.6GHz 22MB Cache/150W) 32GB(1x32GB, 2Rx4 RDIMM), O/B, 930-8i, 1x1100W, XCC Standard, Tooless Rails
Lenovo System x3650 7979 - Server - Xeon DP 2,66 GHz - CDRW/DVD Combo - 2 HE
HP ProLiant DL560 Gen9 E5-4610v3 2P 32GB-R B140i 8SFF SATA 1200W PS Entry Server
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.