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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ThinkSystem SR650, 1xIntel Xeon Gold 5217 8C 3.0GHz 115W, 1x32GB 2Rx4, SW RD, 1x1100W, XCC Enterprise, ThinkSystem Toolless Slide Rail
Cisco Prime Infrastructure UCS Physical HW Appliance
Lenovo System x3550 M5 8869 - Server - rack mount
HPE ProLiant DL20 Gen11 6325P 3.5GHz 4c 1P 1x32GB-U 2LFF 2x2TB HDD 1x290W PS EU Server
HPE ProLiant DL320 Gen11 4510 2.4GHz 12c 1P 2x32GB-R 8SFF NS204i-u MR408i-o 2x1000W PS EU Server
SR550 Xeon Silver 4214R (12C 2.4GHz 16.5MB Cache/100W) 16GB 2933MHz (1x16GB, 2Rx8 RDIMM), O/B, 930-8i, 1x750W, XCC Enterprise, Tooless Rails
HPE ProLiant DL580 Gen8 Configure-to-Order Server
Lenovo SR630 - 2,1 GHz - 6130 - 32 GB - DDR4-SDRAM - 750 W - Rack (1U)
SR590 2x Xeon Silver 4114 (10C 2.2GHz 13.75MB Cache/85W) 64GB(2x32GB, 2Rx4 RDIMM), O/B (16 Drives, 4 AnyBay), 430-16i, 2x750W, XCC Enterprise, Tooless Rails, Front VGA
Lenovo System x3690 X5 2.66GHz E7-8837 675W Rack (2U) Server
IBM 7979E9U X3650 Qc X5450 3.0133312 4Gb zj
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.