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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ThinkSystem SR630, 1xIntel Xeon Gold 5222 4C 3.8GHz 105W, 1x16GB 2Rx8, RAID 930-8i 2GB Flash PCIe 12Gb Adapter, 1x750W, XCC Enterprise, ThinkSystem Toolless Slide Rail
2U BARE 2XPHI C621 12X3.5HS 1000WR 4X10GBE 8PCIE
Eaton 9PX Online UPS 3000VA 2700 Watt 120V 2U Rack/Tower Network Card Optional
HPE ProLiant Compute DL380 Gen12 6515P 2.3GHz 16c 1P 2x32GB-R 8SFF MR408i-o 2x1000W PS EU Server
Lenovo ThinkSystem SR250 - 3,6 GHz - E-2144G - 16 GB - DDR4-SDRAM - 450 W - Rack (1U)
ThinkSystem SR645, 2xAMD EPYC 7742 64C 2.25GHz 225W, 2x32GB 2Rx8, SW RD, 1x750W, XCC Enterprise,
HPE ProLiant DL20 Gen11 E2436 2.9GHz 6c 1P 32GBDR 4SFF VROC 2x480GB SATA SSD 800W RPS EU Server
ThinkSystem SR645, 1xAMD EPYC Rome 8C 155W 3.2GHz 155W, 1x32GB 2Rx4, ThinkSystem Raid 940-8i 4GB Flash PCIe Gen4 12Gb Adapter, 1x750W, XCC Enterprise,
Lenovo SR650 - 2,3 GHz - 6140 - 32 GB - DDR4-SDRAM - 1100 W - Rack (2U)
Lenovo System x3650 7979 - Server - Xeon DP 2,66 GHz - RAM:2 GB HDD:2 GB SAS SAS1 - DVD/CD-drive - 2 HE
SR650 Xeon Gold 6258R (28C 2.7GHz 38.5MB Cache/205W) 32GB 2933MHz (1x32GB, 2Rx4 RDIMM), No Backplane, No RAID, 1x1100W, XCC Enterprise, Tooless Rails
2U BARE 2XPHI C621 12X3.5HS 1000WR 2X10GBE 8PCIE
SR650 Xeon Silver 4114 (10C 2.2GHz 13.75MB Cache/85W) 32GB(1x32GB, 2Rx4 RDIMM), 3x300GB 10k SAS, 930-8i, 2x750W, XCC Enterprise, Tooless Rails, Front VGA
SR630 Xeon Gold 6226R (16C 2.9GHz 22MB Cache/150W) 32GB 2933MHz (1x32GB, 2Rx4 RDIMM), O/B, 930-8i, 1x750W, XCC Enterprise, Tooless Rails
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.