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 SR550 - 1,70 GHz - 3104 - 16 GB - DDR4-SDRAM - 750 W - Rack (2U)
ThinkSystem SR650, 1xIntel Xeon Silver 4210R 10C 2.4GHz 100W, 1x32GB 2Rx4, RAID 930-8i 2GB Flash PCIe 12Gb Adapter, 1x750W, XCC Enterprise, ThinkSystem Toolless Slide Rail
ThinkSystem SR250, 1xIntel Xeon E-2224 4C 3.4GHz 71W, 1x8GB 1Rx8, SW RD, 1x300W, ThinkSystem SR250/SR150 Slide Rail Kit
HPE ProLiant DL325 Gen11 - Server - Rack-Montage - 1U - 1-Weg - keine CPU - RAM 0 GB - SATA/SAS/PCI Express - Hot-Swap 6.4 cm (2.5inch)
SR630 Xeon Gold 5220R (24C 2.2GHz 33MB Cache/150W) 32GB 2933MHz (1x32GB, 2Rx4 RDIMM), O/B, 930-8i, 1x750W, XCC Enterprise, Tooless Rails
ThinkSystem SR645, 2xAMD EPYC Rome 32C 180W 2.5GHz 180W, 2x32GB 2Rx8, SW RD, 1x750W, XCC Enterprise,
x3650 Quad-Core 3.0 GHz/1333 MHz/12M 2GB RAM 0 x SAS/SATA
Lenovo ThinkServer SR630 - 3,00 GHz - 6136 - 16 GB - DDR4-SDRAM - 750 W - Rack (1U)
Lenovo System x3650 M3 3.06GHz X5675 675W Rack (2U) Server
ThinkSystem SR650, 1xIntel Xeon Gold 6234 8C 3.3GHz 130W, 1x32GB 2Rx4, SW RD, 1x1100W, XCC Enterprise, ThinkSystem Toolless Slide Rail
7D2XCTO1WW NEW OPEN BAY LEN-ThinkSystem SR645 2.5Inch CONFIGURE TO ORDER
Bare Metal UCS C200M2 Svr.,2xE5506 CPU,24GB RAM,4x1TB HDD
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.