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, Stackable with locking bezel
SR650 Xeon Gold 6136 (12C 3.0GHz 24.75MB Cache/150W) 16GB (1x16GB, 2Rx8 RDIMM), O/B No Backplane, None, 1x1100W, XCC Enterprise, Tooless Rails
ThinkSystem SR650, 1xIntel Xeon Gold 6248 20C 2.5GHz 150W, 1x16GB 2Rx8, SW RD, 1x1100W, XCC Enterprise, ThinkSystem Toolless Slide Rail
Lenovo .Server System x3550 M5 Xeon E5-2609 v4 Eight-Core 1.70 GHz 20 MB Cache RAM 8 GB 0x
Lenovo System x3550 M5 8869, Server, Rack-Montage, 1U, 1 x Xeon E5-2603V4/ 1.7 GHz, RAM 8GB, SAS - Hot-Swap 6.4 cm (2.5)
Supermicro SYS-110A-16C-RN10SP, FCBGA 2106, Intel, Intel Atom, DDR4-SDRAM, 2.5inch, Serial ATA III, Serial Attached SCSI (SAS)
SR860 - 4 x Xeon Gold 6130 (16C 2.1GHz 22MB Cache/125W) 128GB(4x32GB, 2Rx4 RDIMM), O/B, 930-8i, 2x2000W, Rails, XCC Enterprise
Lenovo System x3650 7979 - Server - Xeon DP 3 GHz - RAM:1 GB HDD:1 GB SAS SAS1, SCSI - CDRW/DVD Combo - 2 HE
Lenovo System x3650 7979 - Server - Xeon DP 2,66 GHz - RAM:2 GB HDD:2 GB SAS SAS1 - DVD/CD-drive - 2 HE
ThinkSystem SR650, 1xIntel Xeon Gold 6226R 16C 2.9GHz 150W, 1x32GB 2Rx4, RAID 930-8i 2GB Flash PCIe 12Gb Adapter, 1x750W, XCC Enterprise, ThinkSystem Toolless Slide Rail
SR650 Xeon Gold 6242R (20C 3.1GHz 27.5MB Cache/205W) 32GB 2933MHz (1x32GB, 2Rx4 RDIMM), No Backplane, No RAID, 1x1100W, XCC Enterprise, Tooless Rails
ThinkSystem SR650, 1xIntel Xeon Gold 5218 16C 2.3GHz 125W, 1x32GB 2Rx4, RAID 930-8i 2GB Flash PCIe 12Gb Adapter, 1x750W, XCC Enterprise, ThinkSystem Toolless Slide Rail
HPE ProLiant DL380a Gen11 4 Double Wide Configure-to-order Server
ThinkSystem SR550, 1xIntel Xeon Silver 4210 10C 2.2GHz 85W, 1x16GB 2Rx8, SW RD, 1x750W, XCC Enterprise, ThinkSystem Toolless Slide Rail
Lenovo ThinkSystem SR250 - 3,5 GHz - E-2146G - 16 GB - DDR4-SDRAM - 450 W - Rack (1U)
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.