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 MicroServer Gen10 - 1,6 GHz - X3216 - 8 GB - DDR4-SDRAM - 200 W - Ultra Micro Tower
Eaton 5PX UPS, 3000 VA, 2700 W, Input: C20, Outputs: (8) C13, (1) C19, Rack/tower, 2U
Ubiquiti Networks Gateway Pro, 1U, aluminum, rackmount, LAN, performance, 1700 MHz, 2048 MB, 2-port Ethernet RJ-45 rack module 1 U
4U BARE 2X3647 C622 8X3.5HS M.2 2200WR 2X10GBE 7PCIE
Lenovo System x3650 M4 7915 - Server - Xeon E5 2,6 GHz - RAM:16 GB HDD:16 GB SAS, SATA SAS1 - DVD-Brenner - 2 HE
UCS C240 M5 24 SFF + 2 rear drives w/o CPU,mem,HD,PCIe,PS
Lenovo SR650 - 3,6 GHz - 5122 - 32 GB - DDR4-SDRAM - 1600 W - Rack (2U)
ThinkSystem SN550, 1xIntel Xeon Gold 6150 18C 2.7GHz 165W, 1x32GB 2Rx4,
Lenovo System x3650 M3 2.53GHz E5649 460W Rack (2U) Server
4U 8NODE 2XPHI C621 6X2.5HS 2200WR SIOM 1PCIE
Lenovo SR550 - 1,86 GHz - 5120 - 16 GB - DDR4-SDRAM - 750 W - Rack (2U)
ThinkSystem SN550, 1xIntel Xeon Gold 6246 12C 3.3GHz 165W, 1x32GB 2Rx4, 32GBx1 SATA,
Lenovo ThinkSystem SR590 - 2,1 GHz - 4110 - 16 GB - DDR4-SDRAM - 1800 GB - Rack (2U)
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.