Best compact 10GbE switch for a homelab: SFP+ vs copper

Your NAS and workstation can both have fast ports and still spend every copy waiting on a 1G switch. Choose MikroTik CRS305 for a few SFP+ hosts, CRS309 for a growing SFP+ lab, Omada SX3008F for a fanless rack switch, or NETGEAR XS505Mv2 for five straightforward copper connections. Buy the port type your equipment needs, then count the uplinks before filling the basket.

Specs and compatibility guidance come from the makers, checked October 25, 2026; port plans and unit conversions are calculated.

If your chosen switch has a serial console, our USB console adapter guide helps you match its electrical interface and pinout to your laptop before the first connection.

Quick picks: SFP+ or copper first

• Small SFP+ setup: MikroTik CRS305-1G-4S+IN. Four 10G SFP+ ports in a compact, fanless desktop box, plus a separate 1G Ethernet port.
• More servers: MikroTik CRS309-1G-8S+IN. Eight SFP+ ports, passive cooling and included rack ears give a growing lab more breathing room.
• Omada or a standard rack: TP-Link Omada SX3008F. Eight SFP+ ports, fanless cooling, VLANs and standalone local management, with controller management available when you want it.
• Plug-in copper: NETGEAR XS505Mv2. Five RJ45 ports negotiate from 100Mb/s through 10Gb/s. No switch configuration, no SFP+ modules and no configurable VLAN isolation.

The parts lists show alternative switches. You need one that fits your link, not all four.

Do you need a whole 10G switch?

Start with the devices that will actually talk at 10G: a workstation, storage server, VM host or NAS. If most equipment is 2.5G and only the NAS or backbone needs a faster link, a 2.5GbE switch with SFP+ uplinks can be the neater answer. Keep the fast uplink without replacing every access port.

Move to a 10G switch when several fast hosts need to exchange data, or when you want a dedicated storage backbone. Pick SFP+ for nearby DAC connections or fibre; pick copper when your hosts and existing runs use RJ45. Our 10GbE NIC guide handles the host side, while the DAC vs RJ45 vs fibre guide handles the cable route.

Compare the four compact switches

Choose it for	Ports, management, cooling and fit
CRS305: a few fast hosts	4 × 10G SFP+, 1 × 1G RJ45; RouterOS/SwOS with VLANs; fanless. 141 × 115 × 28 mm desktop chassis. Maker maximum: 10 W without attachments, 18 W including attachments.
CRS309: a growing SFP+ lab	8 × 10G SFP+, 1 × 1G RJ45; RouterOS/SwOS with VLANs; passive cooling. 272 × 191 × 44 mm chassis; rack ears included. Maker maximum: 17 W without attachments, 23 W including attachments.
Omada SX3008F: rack or controller-managed switching	8 × 10G SFP+; local web/CLI/SNMP or Omada controller management; 802.1Q VLANs; fanless. 440 × 180 × 44 mm, rack-mountable with kit. Maker maximum: 15.46 W at 220 V/50 Hz.
XS505Mv2: simple copper	5 × 100M/1G/2.5G/5G/10G RJ45; unmanaged; one active fan. 210 × 140 × 40 mm, desktop/wall mounting; external power adapter. Maker maximum: 26 W. No SFP+ port.

Sources: MikroTik CRS305, MikroTik CRS309, Omada SX3008F and NETGEAR XS505Mv2. Power entries are published maxima, not idle readings; modules and the assembled link affect actual draw.

CRS305: make one fast corner of the lab

The CRS305 is the pick for two or three SFP+ machines that sit near each other. Four fast cages give you enough room for a useful little backbone without a full-width switch taking over the desk.

Its separate 1G RJ45 port can carry management or ordinary network traffic. Use an SFP+ port when an uplink also needs 10G. That is the detail to catch early: four cages means four fast connections, including any fast uplink.

MikroTik offers SwOS for switch-focused management and RouterOS when you want the broader feature set. Both MikroTik picks support SwOS; its VLAN documentation covers tag handling and port membership. Start with the straightforward switching job and keep your router handling the routing policy.

The CRS305 can also receive power through its Ethernet port. That is PoE input to power the switch, not a PoE budget for cameras or access points.

CRS309: eight SFP+ ports without a switch fan

Choose CRS309 when four cages will be full before the next project starts. Eight SFP+ ports make it easier to add another server, a storage host or a fast switch uplink without immediately replacing the switch.

It keeps the separate 1G management port and RouterOS/SwOS choice. MikroTik’s CRS309 brochure describes the metal enclosure as a passive heatsink and includes ears for a standard rack. Give that heatsink some clear air rather than burying it under power bricks.

This is a particularly tidy fit for a rack that already has SFP+ NICs and short DACs. It is less attractive when every new connection will require a hot copper transceiver. For a rack full of RJ45 hosts, choose a copper switch or keep the copper segment separate.

Omada SX3008F: a fanless rack backbone

Choose SX3008F when you want eight SFP+ ports in a standard rack, especially if Omada already manages the rest of the network. Its fanless chassis includes a rack-mount kit, and its management choices let you start small.

Standalone web, CLI and SNMP management work locally. An Omada controller adds centralised management; you do not need to start with a cloud controller just to configure this switch. The maker lists 802.1Q VLANs and other managed features for separating traffic.

The RJ45 connector beside the SFP+ cages is a console port, not a copper Ethernet uplink. All eight data ports are SFP+.

One useful buying detail sits at the bottom of the maker page: TP-Link recommends only one SM5310-T copper module for SX3008F. Choose this switch for DACs and fibre, with a copper module where needed, rather than planning eight RJ45 conversions.

XS505Mv2: five copper sockets and done

Choose NETGEAR XS505Mv2 when the workstation, NAS and other hosts already have RJ45 ports. Connect them directly and let each link negotiate its supported speed. A 2.5G mini PC and a 10G NAS can share the same switch without an adapter puzzle at the switch end.

This is specifically the XS505M-200NAS v2 model: five copper ports, an external power adapter and desktop/wall mounting. The older XS505M is a different port layout and mounting choice.

NETGEAR’s v2 datasheet specifies one active fan, unmanaged operation and no SNMP or web interface. Pick it for simple connectivity. Pick a managed switch when you need to configure separate VLANs for storage, servers or other devices.

Count the uplinks, then measure the shelf

A port used to reach another switch is still a used port. These example plans count only the fast switch ports:

Planned connections	Fast ports used	Room left
Two hosts on CRS305	2 of 4	2 spare
Two hosts plus a 10G switch uplink on CRS305	3 of 4	1 spare
Three hosts, one NAS and an uplink on an eight-port switch	5 of 8	3 spare

For a 19-inch rack, the CRS309’s supplied ears or the Omada’s rack-mount kit are the natural options. Keep space behind the rails for the cable bend and power connection.

For a 10-inch mini rack, use a suitable shelf for the CRS305, or measure for the NETGEAR’s desktop chassis and power adapter. Neither becomes a native 10-inch rack unit because its body is small. The CRS309’s 272 mm body is wider than even the nominal 254 mm width of a 10-inch panel. Measure the shelf’s actual usable width, depth and cable clearance.

Our rack PDU guide covers tidy power for both rack sizes. Leave the switch vents and heatsink clear when arranging the PDU, cables and adapters.

Keep DAC and module choices boring

A passive DAC is the neat short-link option: one cable, two SFP+ ends. Optics add reach when you need fibre. Match the cable or module to both the switch and NIC support requirements.

MikroTik’s compatibility guidance permits MSA-compliant third-party modules without a vendor lock. The NIC at the other end still has its own requirements, including supported coding and firmware.

Copper modules need more attention to heat. MikroTik’s S+RJ10 guidance recommends leaving an optical module or empty cage between S+RJ10 modules, including on CRS309; passive switches need added cooling for those modules. Plan that space before choosing a port count. For several copper hosts, native RJ45 ports are the cleaner route.

For VLAN isolation, configure the intended tagged uplinks, untagged access ports and membership, remove unwanted memberships, and apply the routing/firewall policy between networks. Test allowed and blocked paths before moving important traffic.

Build the whole 10G link

Use this checklist before buying the last missing piece:

1. Host: a 10GbE NIC supported by the OS, with the right PCIe slot or external host connection. Use the NIC guide for that choice.
2. Cable route: a DAC for nearby SFP+ endpoints, supported optics plus fibre for reach, or suitable copper for RJ45. Use the cabling guide for distance and coding.
3. Switch port: the required 10G port type, with uplinks included in your count and the module’s cooling needs accommodated.
4. Fit and power: bracket or shelf, cable bend, clear airflow and the correct supply.
5. Test: verify link speed at both ends, then test the network before judging disk-copy speed.

Worked example: two fast hosts, one small switch

Take two Linux hosts with Intel X710-DA2 NICs, each in a suitable PCIe x8 slot. Connect one SFP+ port on each NIC to a CRS305 using two passive DACs qualified for the Intel NIC at one end and the MikroTik switch at the other. Put both connections on the intended local VLAN.

That uses two of four SFP+ ports, leaving two spare. You can connect the existing router through the separate 1G Ethernet port for ordinary network access. The two hosts’ local switched traffic stays on the SFP+ path; traffic through that router connection remains limited by its 1G link. Add a 10G switch uplink later and you will have one SFP+ cage left.

Run iperf3 between capable hosts in both directions, using the test steps in the 2.5GbE guide. Ten gigabits is 1.25 GB/s before protocol overhead; a file copy also depends on storage and CPU. Start with the default MTU and a stable link, then investigate the next bottleneck.

CRS305 makes a small fast island. CRS309 gives it room to grow. SX3008F makes a tidy Omada rack backbone. XS505Mv2 keeps copper simple. Match the port type first, and the rest of the shopping list gets pleasantly short.