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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SR650 Xeon Bronze 3104 (6C 1.7GHz 8.25MB Cache/85W) 8GB (1x8GB, 1Rx8 RDIMM), O/B, 530-8i, 1x750W, XCC Enterprise, Tooless Rails, Front VGA
Lenovo Server System x3650 M4 Xeon E5 v2 Ten-Core 2.80 GHz Bus Speed 1866 MHz 25 MB Cache
Lenovo System x3650 7979 - Server - Xeon DP 2,5 GHz - RAM:2 GB HDD:2 GB SAS SAS1 - DVD/CD-drive - 2 HE
SR550 Xeon Silver 4210R (10C 2.4GHz 13.75MB Cache/100W) 16GB 2933MHz (1x16GB, 2Rx8 RDIMM), O/B 3,5 inch HS (12), 930-16i, 1x750W, XCC Enterprise, Tooless Rails
3U BARE 1XEON V3 C224 2X3.5 1620WR 2GBE
2U BARE 2XPHI C621 12X3.5HS 1000WR 4X10GBE 8PCIE
Lenovo ThinkSystem SR250 - 3,6 GHz - E-2144G - 16 GB - DDR4-SDRAM - 450 W - Rack (1U)
NetShelter SX 45U 600mm Wide x 1200mm Deep Enclosure with Sides Black -2000 lbs. Shock Packaging
IBM System X3650 , dual core XEON E5205, 1.86 GHz (6 MB L2 DC)
Lenovo Server System x3650 M3 2x - Server - Xeon DP
Lenovo .Server System x3550 M5 Xeon E5 v3 Six-Core 2.40 GHz 15 MB Cache RAM 16 GB No Hard
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.