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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SN550 Gold 6240R (24C 2.4GHz 35.75MB Cache/165W), 32GB 2933MHz (1x32GB, 2Rx4 RDIMM), O/B, No Backplane, No LOM, Single M.2 Adapter (No Media), XCC Enterprise, TPM 2.0
ThinkSystem SR590 Xeon Silver 4208 (8C 2.1GHz 11MB Cache/85W) 16GB 2933MHz (1x16GB, 2Rx8 RDIMM), O/B, 730-8i 2GB, 1x750W, XCC Enterprise, Tooless Rails
4U 8NODE 2XPHI C621 6X2.5HS 2200WR SIOM 1PCIE
Lenovo System x3550 M5 5463 - Server - Xeon E5 2,6 GHz - RAM:16 GB - 1 HE
Lenovo System x3550 M5 5463 - Server - Xeon E5 1,6 GHz - RAM:8 GB - DVD-Brenner - 1 HE
ThinkSystem SR650, 1xIntel Xeon Silver 4214R 12C 2.4GHz 100W, 1x32GB 2Rx4, RAID 930-8i 2GB Flash PCIe 12Gb Adapter, 2x750W, XCC Enterprise, ThinkSystem Toolless Slide Rail
Server system x3650 QC Xeon E5440 2.83GHz 4GB SFF (incl. power cable)
HPE PROLIANT DL580 GEN10 8164 4P 256GB-R P408I-P 8SFF 4X1600W PS PERF SERVER
SN550 Silver 4210R (10C 2.4GHz 13.75MB Cache/100W)), 32GB 2933MHz (1x32GB, 2Rx4 RDIMM), O/B, No Backplane, No LOM, Single M.2 Adapter (No Media), XCC Enterprise, TPM 2.0
Lenovo SR550 - 3,6 GHz - 5122 - 16 GB - DDR4-SDRAM - 750 W - Rack (2U)
Lenovo SR550 - 2,30 GHz - 5118 - 16 GB - DDR4-SDRAM - 750 W - Rack (2U)
Lenovo System x3650 M5 8871 - Server - rack mount
HPE ProLiant DL345 Gen11 9015 3.5GHz 8c 1P 2x32GB-R 8LFF MR416i-p 2x960GB SSD 2x1000W PS EU Server
Lenovo .Server System x3650 M5 Xeon E5-2630 v4 Ten-Core 2.20 GHz 25 MB Cache RAM 16 GB 0x
Lenovo SR250 - 3,3 GHz - E-2124 - 8 GB - DDR4-SDRAM - 300 W - Rack (1U)
Cisco Application Policy Infrastructure Controller Medium (up to 1200 edge ports) - Server - rack-mountable - 1U - 2-way - 2 x Xeon Bronze 3106 / 1.7 GHz - RAM 96 GB - HDD 2 x 1 TB - 10 GigE, 25 Gigabit LAN - monitor none
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.