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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SR570 Xeon Bronze 3104 (6C 1.7GHz 8.25MB Cache/85W) 16GB (1x16GB, 2Rx8 RDIMM), O/B, 930-8i, 1x750W, XCC Standard, Tooless Rails
Lenovo System x3550 M5 8869 - Server - Rack-Montage - 1U - 1 x Xeon E5-2640V4 / 2.4 GHz - RAM 16 GB - SAS - Hot-Swap 6.4 cm (2.5)
ThinkSystem SN550, 1xIntel Xeon Platinum 8160 24C 2.1GHz 150W, 1x32GB 2Rx4,
Lenovo System x3650 7979 - Server - Xeon DP 1,6 GHz - RAM:1 GB HDD:1 GB SAS SAS1, SCSI - CDRW/DVD Combo - 2 HE
Dell EMC PowerEdge R640 10x SFF CTO Server
Cisco Business Edition 7000M (Export Restricted) M5 - Server - rack-mountable - 2U - 2-way - 1 x Xeon Gold 6132 / 2.6 GHz - RAM 96 GB - SATA/SAS - hot-swap 2.5in bay(s) - HDD 300 GB - Pilot 4 - GigE, 10 GigE - monitor none
Lenovo System x3650 7979 - Server - Xeon DP 2,66 GHz - RAM:2 GB HDD:2 GB SAS SAS1 - DVD/CD-drive - 2 HE
Intel Server System S9256WK1HLC - Server - rack-mountable - 1U - 2-way - 2 x Xeon Platinum 9282 / 2.6 GHz - RAM 0 GB - no HDD - GigE - monitor: none
HPE ProLiant DL345 Gen11 9115 2.6GHz 16c 1P 2x32GB-R 8SFF MR416i-p 2x480GB SSD 2x1000W PS EU Server
UCS C220 M4 SFF w/o CPU, mem, HD, PCIe, PSU, rail kit
HP DL380 Gen9 NVMe 6 SSD Exp Bay CTO Svr
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.