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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Small Secure Network Server for ISE Applications
Lenovo System x3650 M3 2.66GHz X5650 675W Rack (2U) Server
4U NODE 2XEON V3 C612 6X2.5HS 2000WR 2X10GBE 5PCIE IN
HPE ProLiant DL325 Gen11 4LFF Configure-to-order Server
ThinkSystem SR250, 1xIntel Xeon E-2234 4C 3.6GHz 71W, 1x8GB 1Rx8, SW RD, 1x450W, ThinkSystem SR250/SR150 Slide Rail Kit
ThinkSystem SN550, 2xIntel Xeon Gold 6132 14C 2.6GHz 140W, 24x32GB 2Rx4, 2x300GB 10000, 10Gbps Converged Ethernet
IBM eServer xSeries 366 8863 - Xeon MP 3.16 GHz - 2 GB - 0 GB
Lenovo .Server System x3650 M5 Xeon E5-2620 v3 Six-Core 2.40 GHz 15 MB Cache RAM 16 GB 0x
HPE ProLiant Compute DL360 Gen12 6505P 2.2GHz 12c 1P 4x32GB-R 8SFF MR408i-o 2x1000W PS EU Server
ThinkSystem SN550, 1xIntel Xeon Gold 5218 16C 2.3GHz 125W, 1x32GB 2Rx4,
SR630 Xeon Gold 6134 (8C 3.2GHz 24.75MB Cache/130W) 32GB(1x32GB, 2Rx4 RDIMM), O/B, 930-8i, 1x750W, XCC Standard, Tooless Rails
Lenovo .Server System x3650 M4 Xeon E5 v2 Quad-Core 2.50 GHz Bus Speed 1333 MHz 10 MB - Rack
SR590 Xeon Gold 5118 (12C 2.3GHz 16.5MB Cache/105W) 16GB (1x16GB, 2Rx8 RDIMM), O/B 3,5 inch (12), 930-16i, 1x750W, XCC Standard, Tooless Rails
Bare Metal UCS C210M2 Svr.,2xE5640 CPU,48GB RAM,10x146GB HDD
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.