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







£1229.71 inc. VAT
AI-generated summary
At £955.50 ex-VAT, the ASUS RS300-E12-PS4 is a sensible “small rack server” choice if you need something compact, reliable, and boring in the best way—think office workloads, departmental file/app hosting, light virtualization, or as a management/node box rather than a heavy compute monster. ASUS tends to do well on build quality for the money, and the 1U format fits neatly where space is tight but you still want something designed for rack life. If you’ve got standard datacentre habits (proper cooling, planned cabling, decent power management), this should be a straightforward fit.
That said, I wouldn’t buy it if your goal is future-proof performance or headroom for growth. 1U systems are inherently less forgiving—thermals and expansion tend to limit how far you can push them, and you’ll feel it sooner than you would with a fuller chassis. Also, the “best value” angle depends heavily on how you’re configuring it; if you’re paying near the full ticket without aligning specs to your workload, it can become hard to justify versus slightly larger or more flexible alternatives. If you tell me what you’re running (number of VMs/users, storage approach, whether it’s all-in-one or joined to shared storage), I can sanity-check whether this is the right class of server or you’ll outgrow it too quickly.

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
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
Intel Xeon Gold 6128 - 3.4 GHz - 6-core - 12 threads - 19.25 MB cache - for ThinkAgile VX3320 Appliance, VX3520-G Appliance, VX5520 Appliance, VX7520 Appliance

Lenovo
Intel Xeon Bronze 3106 - 1.7 GHz - 8-core - 8 threads - 11 MB cache - for ThinkSystem SR530