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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Lenovo System x3650 7979 - Server - Xeon DP 2,33 GHz - RAM:1 GB HDD:1 GB SAS SAS1, SCSI - CDRW/DVD Combo - 2 HE
SR650 Xeon Gold 6134 (8C 3.2GHz 24.75MB Cache/130W) 32GB(1x32GB, 2Rx4 RDIMM), O/B, 930-8i, 1x750W, XCC Enterprise, Tooless Rails, Front VGA
ThinkSystem SN550, 2xIntel Xeon Gold 6134 8C 3.2GHz 130W, 24x32GB 2Rx4, 2x300GB 10000, 10Gbps Converged Ethernet
HPE ProLiant Compute DL360 Gen12 6505P 1P 4x32GB-R 8SFF NS204i-u v2 MR408i-o 2x1000W PS EU Server
Lenovo System x3650 7979 - Server - Xeon DP 2,33 GHz - RAM:1 GB HDD:1 GB SAS SAS1, SCSI - CDRW/DVD Combo - 2 HE
HPE ProLiant DL380 Gen11 Network Choice - Server - 2U - 2-way - Rack-mountable - no OS
ThinkSystem SR550, 1xIntel Xeon Silver 4214 12C 2.2GHz 85W, 1x16GB 2Rx8, RAID 930-8i 2GB Flash PCIe 12Gb Adapter, 1x750W, XCC Enterprise, ThinkSystem Toolless Slide Rail
Lenovo Server System x3650 M3 6C - Server - Xeon DP
HPE PROLIANT DL360 GEN11 4510 2.4GHZ 12C 1P 2X32GB-R 8SFF MR408I-O 2X960GB SSD 2X1000W PS EU Server
HPE ProLiant Compute DL360 Gen12 6505P 12c 2x32GB-R 8SFF MR408i-o 2x480GB SSD 2x1000W PS EU Server
Lenovo System x3650 7979 - Server - Xeon DP 2,5 GHz - RAM:2 GB HDD:2 GB SAS SAS1 - DVD/CD-drive - 2 HE
SR950 4 x Xeon Gold 5120 (14C 2.2GHz 19.25MB Cache/105W) 128GB(4x32GB, 2Rx4 RDIMM), O/B, 930-16I, 2x1600W, Rails, Lift Handles, XCC Enterprise
3U BARE 12N 1XEON V5 C236 2X3.5 1620WR 2XGBE 1PCI
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.