- Network Admin
How to Plan a Network Refresh for Your Business
4 Nov, 2025







£3001.39 inc. VAT
AI-generated summary
The ASUS RS520A-E12-RS12U is the kind of 2U rack server I’d only recommend if you already know you need a fairly “standard” workload and you’re getting it as a sensible fit on the price and lead time. At ~£2.5k ex-VAT, it’s not bargain-basement, so you’ll want to be confident on memory/storage planning up front—because with rack servers, the real cost creep usually comes from what you *end up* adding after the fact. The upside is it’s built for proper rack use (not some home lab pretending), and Asus typically gives decent manageability and reliability for SMB/edge deployments where you want something that just runs.
Who it suits best: small-to-mid businesses, IT teams deploying a handful of servers for virtualization, file/app services, light database, or remote office infrastructure—especially if you value having a known OEM platform rather than hunting for the cheapest white-label unit. Who should think twice: anyone trying to squeeze maximum performance per pound, or anyone who wants an easy upgrade path without thinking—at this price point, you need to sanity-check total cost (including how much capacity you actually need at purchase). If you’re not sure yet, I’d compare against alternatives from Dell/HPE/Lenovo in the same “you’ll add a bit more later” bracket, because sometimes the premium is worth it for quieter support and smoother lifecycle management.

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

Lenovo
Lenovo ThinkSystem SR250 7Y51 - Server - rack-mountable 1U - 1-way - 1 x Xeon E-2278G / up to 5 GHz - RAM 16 GB - SATA - hot-swap 2.5" bay(s) - no HDD - Matrox G200 - Gigabit Ethernet - no OS - monitor: none

Lenovo
Intel Xeon Gold 6136 - 3 GHz - 12-core - 24 threads - 24.75 MB cache - for ThinkAgile VX 1U Certified Node 7Y93, ThinkAgile VX2320 Appliance 7Y93, ThinkSystem SR630

Asus
RS520A-E12-RS24U/1G/1.6kW/16NVMe/RH/OCP/