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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HPE ProLiant DL325 Gen11 GPU Configure-to-order Server
IBM eServer System x3950 M2 2.13GHz E7420 1440W Rack (4U) Server
Lenovo System x3650 7979 - Server - Xeon DP 1,6 GHz - RAM:1 GB HDD:1 GB SAS SAS1, SCSI - CDRW/DVD Combo - 2 HE
NetShelter SX 45U 750mm Wide x 1070mm Deep Enclosure with Sides White
HPE ProLiant DL145 Gen11 8024P 2.4GHz 8c 1P 1x32GB-R 2SFF NS204i-u NC BCM5719 2x1000W PS EMEA Server
2U BARE 2XPHI C621 12X3.5HS 1200WR 2X10GBE 5PCIE
ThinkSystem SR650, 1xIntel Xeon Silver 4214 12C 2.2GHz 85W, 1x32GB 2Rx4, RAID 930-16i 4GB Flash PCIe 12Gb Adapter, 1x750W, XCC Enterprise, ThinkSystem Toolless Slide Rail
HPE ProLiant DL360 Gen11 5416S 2.0GHz 16-core 1P 32GB-R MR408i-o NC 8SFF 800W PS Server
SE350 Xeon D-2143IT (8C 2.2GHz 11MB Cache/65W), 32GB (1x32GB), 1x480GB Industrial SED, PCIe, 2x240W, 10Gb SFP+, XCC Enterprise, Desktop mode with feet
Lenovo System x3550 M5 5463 - Server - rack mount
Lenovo .Server System x3650 M4 Xeon E5 v2 Ten-Core 2.80 GHz Bus Speed 1866 MHz 25 MB Cache
Lenovo System x3650 M3 2.4GHz E5645 460W Rack (2U) Server
NetShelter SX 45U 750mm Wide x 1070mm Deep Enclosure with Sides Black -2000 lbs. Shock Packaging
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.