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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SE350 Xeon D-2183IT (16C 2.2GHz 22MB Cache/100W), 64GB (2x32GB), 1x480GB Industrial SED, PCIe, 2x240W, 10Gb SFP+, XCC Enterprise, Desktop mode with feet
ThinkSystem SN550, 1xIntel Xeon Gold 6234 8C 3.3GHz 130W, 1x32GB 2Rx4, 32GBx1 SATA,
HPE ProLiant DL380 Gen11 12EDSFF NC Configure-to-order Server
SR650 Xeon Silver 4214R (12C 2.4GHz 16.5MB Cache/100W) 32GB 2933MHz (1x32GB, 2Rx4 RDIMM), No Backplane, No RAID, 1x750W, XCC Enterprise, Tooless Rails
Lenovo System x3550 M5 8869 - Server - Rack-Montage - 1U - 1 x Xeon E5-2620V4 / 2.1 GHz - RAM 16 GB - SAS - Hot-Swap 6.4 cm (2.5)
HPE ProLiant Compute DL340 Gen12 6505P 12c 1x64GB-R 8SFF MR408i-o 2x480GB SSD 2x1000W PS EU Server
Lenovo System x3550 M5 5463 - Server - Xeon E5 2,6 GHz - RAM:16 GB - DVD-Brenner - 1 HE
Lenovo System x3550 M5 5463 - Server - rack mount
HP PROLIANT DL380 G6 SPECIAL RACK SERVER, 2 Quad-Core Intel 2.53 Ghz Nehalem E5540 Processor, 8GB RAM, 4x 300GB Hard Drives
SR630 Xeon Gold 5118 (12C 2.3GHz 16.5MB Cache/105W) 16GB (1x16GB, 2Rx8 RDIMM), O/B (10 Drives, 4 AnyBay), 930-16i, 1x750W, XCC Standard, Tooless Rails
Lenovo .Server System x3550 M5 Xeon E5 v3 Six-Core 1.90 GHz Bus Speed 1600 Mhz 15 MB Cache
HPE ProLiant DL320 Gen11 6526Y 2.8GHz 16c 1P 4x32GB-R 8SFF NS204i-u NC BCM57416 2x1000W PS EU Server
SR650 Xeon Silver 4114 (10C 2.2GHz 13.75MB Cache/85W) 32GB(1x32GB, 2Rx4 RDIMM), O/B, 930-8i, 2x750W, XCC Enterprise, Tooless Rails, Front VGA
2U BARE 2XPHI C621 8X3.5HS 1000WR 2XGBE 4PCIE
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.