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 Silver 4208 8C 2.1GHz 85W, 1x32GB 2Rx4, 2x480GB SDD, RAID 930-8i 2GB Flash PCIe 12Gb Adapter, 1x750W, XCC Enterprise, ThinkSystem Toolless Slide Rail
Lenovo ThinkSystem SR250 - 3,3 GHz - E-2124 - 8 GB - DDR4-SDRAM - 2000 GB - Rack (1U)
HPE ProLiant DL360P Gen8 E5-2640 1P 16GB-R P420I FBWC SFF 460W PS Server/TV
Lenovo System x3650 M5 5462 - Server - Xeon E5 2,6 GHz - RAM:16 GB - 2 HE
ThinkSystem SR650, 1xIntel Xeon Silver 4114 10C 2.2GHz 85W, 1x32GB 2Rx4, 128GBx1 SATA, ThinkSystem M.2 with Mirroring Enablement Kit, 1x750W, XCC Standard, ThinkSystem Toolless Slide Rail
SR650 Xeon Gold 6128 (6C 3.4GHz 19.25MB Cache/115W) 16GB (1x16GB, 2Rx8 RDIMM), O/B No Backplane, None, 1x1100W, XCC Enterprise, Tooless Rails
Cisco UCS C3260 Dense Storage Server - Server - rack-mountable - 4U - 2-way - no CPU - RAM 0 GB - SATA/SAS - hot-swap 2.5in, 3.5in bay(s) - no HDD - no OS - monitor none
HPE ProLiant Compute DL380 Gen12 6505P 12c 1P 2x32GB-R 12LFF MR416i-o 2x8TB HDD 2x1000W PS EU Server
Lenovo Server System x3650 M3 QC - Server - Xeon DP
ThinkSystem SN550, 1xIntel Xeon Silver 4116 12C 2.1GHz 85W, 1x32GB 2Rx4,
Lenovo System x3550 M5 5463 - Server - Xeon E5 2,4 GHz - RAM:16 GB - 1 HE
ThinkSystem SR650, 1xIntel Xeon Silver 4215 8C 2.5GHz 85W, 1x16GB 2Rx8, SW RD, 1x750W, XCC Enterprise, ThinkSystem Toolless Slide Rail
SR650 2x Xeon Gold 6154 (18C 3.0GHz 24.75MB Cache/200W) 64GB(2x32GB, 2Rx4 RDIMM), , None, 1x1100W, XCC Enterprise, Tooless Rails
Dell PowerEdge R650 - server - rack mount - 1U - two-way - 2 x Xeon Silver 4314 / 2.4 GHz
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.