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Compare server systems for virtualisation, databases, file services and infrastructure projects. Choose by manufacturer, model, generation and chassis, then check the exact CPU, memory, storage and controller configur...

All Refurbished Servers
Explore refurbished server listings for business upgrades, lab environments and data-centre expan...
HPE Servers
Browse HPE ProLiant server and system listings available from KahnServers. Compare the listed mod...
Dell Servers
Browse Dell PowerEdge server and system listings available from KahnServers. Compare the listed m...
Cisco Servers
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Lenovo Servers
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Synology Servers
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Supermicro Servers
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Gigabyte Servers
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ASUS Servers
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Netgear Servers
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Fujitsu Servers
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IBM Servers
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Intel Servers
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Components

Browse refurbished server processors, memory, RAID controllers, power supplies, rails, caddies, cooling hardware and graphics cards.

Processors (CPUs)
Browse server processors for replacement and upgrade projects. Compare core count, clock speed, p...
Server Memory (RAM)
Find server memory for capacity upgrades and replacement DIMMs. Compare DDR generation, module ca...
RAID & HBA Controllers
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Power Supplies (PSUs)
Find replacement server power supplies by wattage, efficiency rating, power-supply format and com...
Rails, Caddies & Accessories
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Cooling & Heatsinks
Find replacement server fans and heatsinks by component type and compatible-model information. Ma...
Graphics Cards & GPUs
Explore graphics cards and GPU-related hardware for compatible workstations and servers. Check ea...

Storage

Find enterprise HDDs and SSDs for servers and storage arrays. Compare capacity, SAS, SATA or NVMe interface, drive type, rotational speed, endurance class and available form-factor information.Check your server backpl...

All Storage & Hard Drives
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SAS Hard Drives
Browse SAS hard disk drives for compatible servers and storage arrays. Compare storage capacity, ...
SATA Hard Drives
Find SATA hard disk drives for server storage, replacement disks and capacity upgrades. Compare c...
Enterprise SSDs
Compare enterprise solid-state drives for compatible servers and storage systems. Filter by capac...
NVMe Storage
Browse NVMe storage for compatible PCIe-based server platforms. Compare capacity, PCIe-generation...
Storage Controllers
Compare RAID controllers and host bus adapters for server storage upgrades. Narrow the selection ...

Networking

Explore networking hardware including Ethernet adapters, Fibre Channel cards, switches, transceivers, routers and wireless access points. Narrow results by product type, link speed, ports, connector and interface.Chec...

Network Interface Cards
Compare server network interface cards for connectivity upgrades and replacement adapters. Filter...
Ethernet Adapters
Browse Ethernet adapters for compatible servers and workstations. Compare available link speeds, ...
Fibre Channel Cards
Find Fibre Channel cards for connecting compatible servers to storage-area networks. Compare port...
Switches
Browse network switches for business networks, rack connectivity and infrastructure expansion. Co...
Transceivers & Optics
Compare optical transceivers and network modules for compatible switching and server connections....
Routers & Firewalls
Browse routers and firewall appliances for business connectivity and network security projects. C...
Wireless Access Points
Find wireless access points for office and business Wi-Fi deployments. Compare available wireless...
Networking Accessories
Browse supporting networking hardware and replacement accessories for enterprise infrastructure. ...

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Products

1 products

1 products

DELL

DELL Out of stock

DELL Z9100-ON-OS9 - Z9100-ON 32-PORT 100GB QSFP28 2X10GB SFP+ BF NETWORK SWITCH - Refurbished

SKU Z9100-ON-OS9

£759.99 inc. VAT