- Cyber Security
The Business Guide to Extended Detection and Response (XDR)
18 Mar, 2026







£3518.76 inc. VAT
AI-generated summary
The ASUS RS700A-E11-RS12U is one of those “serious rack server, boring on purpose” boxes. At £2.9k ex‑VAT, the value only makes sense if you actually need a 1U, dual-socket SP3-style form factor and you care more about predictable, supportable operation than squeezing every last bit of performance per pound. For typical UK SME use—virtualisation at modest scale, file/app services, small database workloads, or even as a reliable lab/test host—it’s the kind of hardware that tends to behave, supports decent airflow in standard racks, and is straightforward to spec and maintain. ASUS hardware is often good for organisations that want something other than the most mainstream brands but still want enterprise-style reliability.
That said, I wouldn’t buy it blindly. A 1U server is unforgiving: thermals and noise matter, and the platform’s sweet spot is usually “space-constrained deployment,” not cost-optimisation. If you don’t *need* 1U density or you’re running workloads that spike heavily, you may get better ROI from a more flexible chassis or even a newer generation platform with better efficiency—especially once you factor in support/maintenance and what your cooling and power draw will look like in your rack. If you tell me what workloads, how many VMs/users, and whether you’re targeting quiet offices or data halls, I can sanity-check whether this is the right spend or just paying a premium for form factor.

Asus
RS500A-E12-RS4U/1G/800W/4NVMe/OCP

Asus
ESC4000A-E12-SKU1/1G/2600W 1+1

Lenovo
Lenovo ThinkSystem SR250 7Y51 - Server - rack-mountable - 1U - 1-way - 1 x Xeon E-2246G / up to 4.8 GHz - RAM 16 GB - SATA - hot-swap 2.5" bay(s) - no HDD - Matrox G200 - Gigabit Ethernet - no OS - monitor: none

Lenovo
Lenovo ThinkSystem SR250 7Y51 - Server - rack-mountable - 1U - 1-way - 1 x Xeon E-2224 / up to 4.6 GHz - RAM 8 GB - SATA - hot-swap 3.5" bay(s) - no HDD - Matrox G200 - Gigabit Ethernet - no OS - monitor: none
Powered by industry-leading technologies including SolarWinds, Cloudflare, BitDefender, AWS, Microsoft Azure, and Cisco Meraki to deliver secure, scalable, and reliable IT solutions.