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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Dell PowerEdge R650 - server - rack mount - 1U - two-way - 2 x Xeon Silver 4314 / 2.4 GHz
Intel Server System R2224WTTYSR - Server - rack-mountable - 2U - 2-way - no CPU - RAM 0 GB - SAS - hot-swap 2.5in, 3.5in bay(s) - no HDD - GigE, 10 GigE - monitor none
SR590 Xeon Silver 4114 (10C 2.2GHz 13.75MB Cache/85W) 16GB (1x16GB, 2Rx8 RDIMM), O/B, 930-8i, 1x750W, XCC Standard, Tooless Rails
Lenovo SR650 - 1,86 GHz - 5120 - 16 GB - DDR4-SDRAM - 1100 W - Rack (2U)
Lenovo SR630 - 2,30 GHz - 5118 - 128 GB - DDR4-SDRAM - 64 GB - Rack (1U)
Cisco NAC Appliance 3310 - Xeon 2.33 GHz : none. Series
Lenovo X3650 M3 QC Xe2.13 E5506 4GB RAM 0GB SAS - Server - Xeon DP
ThinkSystem SR650, 2xIntel Xeon Gold 6248 20C 2.5GHz 150W, 12x32GB 2Rx4, 128GBx1 SATA, ThinkSystem M.2 with Mirroring Enablement Kit, 2x1600W, XCC Enterprise, ThinkSystem Toolless Slide Rail
HPE ProLiant Compute DL380a Gen12 8 Double Wide/16 Single Wide Configure-to-order Server
4U RACK/TOWER GPU WORKSTATION 2200WR 2X10GBE 7PCIE
Chassis w/8GPU, NoPSU, NoRAID/cable, NoHDDmod, NoCPUmod
SR650 Xeon Gold 6132 (14C 2.6GHz 19.25MB Cache/140W) 16GB (1x16GB, 2Rx8 RDIMM), O/B No Backplane, None, 1x1100W, XCC Enterprise, Tooless Rails
NetShelter SX 42U 750mm Wide x 1070mm Deep Enclosure with Sides Black CTO
Lenovo Server System x3650 M4 Xeon E5 v2 Eight-Core 2.60 GHz 20 MB Cache RAM 8 GB No Hard
SR650 Xeon Silver 4208 (8C 2.1GHz 11MB Cache/85W) 16GB 2933MHz (1x16GB, 2Rx8 RDIMM), O/B, 930-8i, 1x750W, XCC Enterprise, Tooless Rails
Cisco UCS C220 M3 Small Form Factor Business Edition - rack-mountable - Xeon E5-2600 series E5-2609 2.4 GHz - 32 GB - 2 TB
Lenovo .Server System x3550 M5 Xeon E5 v3 Six-Core 1.60 GHz Bus Speed 1600 Mhz 15 MB Cache
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.