- VoIP & Phone Systems
VoIP Failover: Ensuring Business Continuity
18 Mar, 2026





£3129.61 inc. VAT
AI-generated summary
The ASUS RS520A-E12-RS24U looks like a sensible “small rack server” choice if you’re building a quiet, straightforward workload stack for a business — file services, light virtualisation, VDI for small teams, or general-purpose server duties where you want something dependable without making a project out of it. At ~£2.6k ex-VAT it’s not cheap, but it’s also not in the “big iron” money bracket, so the value comes down to whether the rest of your plan is already sorted (storage plan, network switches, support/uptime expectations). For a UK reseller customer, this is the sort of box that works well for a single site with a competent IT admin and predictable demand.
That said, I’d only recommend it if you’re confident the configuration you’re buying is aligned to your performance needs and growth horizon. If you’re buying purely to “get started” and you haven’t nailed what you’ll run, rack servers like this can turn into expensive placeholders — especially when you realise storage capacity, redundancy, and upgrade paths are what really drive day-to-day value. Also, if you’re expecting it to replace higher-availability or heavily loaded enterprise platforms, this probably won’t scratch that itch on cost-to-results; you’ll want to compare against systems that include stronger service/support options in the package.
Who should buy: UK SMBs / departments needing a reliable 2U rack server for practical business workloads and long-term maintenance by existing IT staff. Who should think twice: teams unsure about workload sizing, or anyone chasing maximum scalability/uptime guarantees where a more enterprise-focused bundle will make financial sense.

Asus
ASUS - Server - rack-mountable 2U - 2-way - no CPU - RAM 0 GB - SATA/PCI Express - hot-swap 2.5" bay(s) - no HDD - Gigabit Ethernet - no OS - monitor: none - black

Asus
ESC4000A-E12-SKU1/2600W

Asus
RS700A-E11-RS12U/10G/1.6KW/12NVMe

Lenovo
Lenovo ThinkSystem SR250 7Y51 - Server - rack-mountable 1U - 1-way - 1 x Xeon E-2276G / up to 4.9 GHz - RAM 16 GB - SAS - hot-swap 2.5" bay(s) - no HDD - Matrox G200 - Gigabit Ethernet - no OS - monitor: none
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