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MikroTik CRS310-8G+2S+IN vs Ubiquiti UniFi Switch Flex Mini

Researched, not hands-on tested.How we review ›

all judged against network switches at a similar price

The MikroTik CRS310-8G+2S+IN scores 7.2/10 overall, ahead of the Ubiquiti UniFi Switch Flex Mini at 6.1/10.

The MikroTik CRS310-8G+2S+IN leads on port speeds, management and port count and uplinks.

The Ubiquiti UniFi Switch Flex Mini leads on noise and efficiency.

They score the same on poE and firmware and support.

The biggest difference is noise and efficiency, where the Ubiquiti UniFi Switch Flex Mini scores 8/10 to the MikroTik CRS310-8G+2S+IN's 3/10.

MikroTik CRS310-8G+2S+IN

MikroTik CRS310-8G+2S+IN

7.2/10verdict: buy

The MikroTik CRS310-8G+2S+IN is for homelabbers and small-office admins who want 2.5GbE access ports with 10G SFP+ uplinks. It suits people who are happy to configure VLANs, link aggregation and ACLs in RouterOS. It is a poorer fit for anyone who needs PoE or wants a low-power, set-and-forget switch.

Typically about £185.57 in the UK when we researched itSearch Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

UniFi Switch Flex Mini

Ubiquiti UniFi Switch Flex Mini

6.1/10verdict: good, not the best

The UniFi Switch Flex Mini is for people who run, or plan to run, a UniFi network and want a small managed switch. It offers five Gigabit ports, VLAN support and controller management in a 150 g fanless-listed box. It does not suit buyers who need PoE output, SFP uplinks or faster-than-Gigabit links.

Typically about £33 in the UK when we researched itCheck price at Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

CriterionWeightMikroTik CRS310-8G+2S+INUbiquiti UniFi Switch Flex Mini
Port speeds30%9/105/10
Management20%9/108/10
Port count and uplinks15%8/105/10
Noise and efficiency15%3/108/10
PoE10%5/105/10
Firmware and support10%5/105/10
Overall7.2/106.1/10

Specifications

SpecMikroTik CRS310-8G+2S+INUbiquiti UniFi Switch Flex Mini
Ports8 x 2.5GbE RJ45 plus 2 x SFP+, and one USB type-A port5 RJ45 ports, 1GbE
Port speedsRJ45 ports 2.5G; SFP+ cages support 1G, 2.5G and 10G10/100/1000 Mbps per port
ManagementRouterOS v7 or SwitchOS; VLANs, link aggregation and ACL rules on RouterOSUniFi Network Controller management with VLAN support (1,000 VLANs), port isolation, mirroring and rate limiting; requires UniFi Network 5.12.5 or later
PoE budgetnot listedNo PoE output; one port accepts 802.3af/at PoE input only
Uplinks (SFP/SFP+)2 x SFP+None; RJ45 ports only, no SFP/SFP+
Switching capacityNon-blocking Layer 1 capacity 80000 Mbps; Layer 2 about 78,959.7 Mbps at 1518-byte framesSwitching capacity 10 Gbps; 5 Gbps non-blocking throughput; 7 Mpps forwarding rate
Cooling1 fanHeat dissipation 6.824 BTU/hr (excluding PoE output); no fan listed on manufacturer page

Strengths and weaknesses

MikroTik CRS310-8G+2S+IN

  • + Eight 2.5GbE ports plus two 10G-capable SFP+ cages
  • + RouterOS offers VLANs, link aggregation and ACL rules
  • + Wide 18–57 V DC input and -40°C to +60°C range
  • − One fan, and owners report higher power draw than expected
  • − Owners report 2.5G link negotiation problems
  • − No PoE listed

Skip it if:

  • Buyers who need PoE for access points, cameras or phones
  • Anyone who wants a quiet, low-power switch for a living space
  • Buyers who want a simple unmanaged switch with no configuration
Read the full MikroTik CRS310-8G+2S+IN review ›

Ubiquiti UniFi Switch Flex Mini

  • + Controller management with up to 1,000 VLANs
  • + No fan listed; 2.5 W maximum power draw
  • + Small and light: 107 x 70 x 21 mm, 150 g
  • − Gigabit only, with no SFP or SFP+ uplink
  • − No PoE output to power other devices
  • − Needs UniFi Network 5.12.5 or later for management

Skip it if:

  • Buyers who need PoE output to power access points or cameras
  • Anyone who wants SFP/SFP+ uplinks or faster-than-Gigabit ports
  • People who do not want to run a UniFi controller
Read the full Ubiquiti UniFi Switch Flex Mini review ›

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