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The TP-Link TL-SX105 is a 5-port unmanaged 10G/multi-gigabit Ethernet switch for home labs, small offices, NAS/workstation setups, and silent desktop installations. Each of its five RJ45 ports supports 100 Mbps, 1G, 2.5G, 5G, and 10G with auto-negotiation and Auto-MDI/MDIX, and the switch provides a 100 Gbps switching capacity with 74.4 Mpps forwarding rate. It is fanless, uses an external 12 V / 2 A power adapter, and is intended for plug-and-play Layer-2 switching rather than managed networking. (tp-link.com)
Short review verdict: it is a strong, quiet, practical 10GBASE-T switch if you need a small number of copper 10GbE ports. Its main weaknesses are the lack of VLANs, LACP, monitoring, PoE, and SFP+ fiber/DAC ports.
| Category | TP-Link TL-SX105 specification |
|---|---|
| Switch type | Unmanaged desktop / wall-mount 10G multi-gigabit switch |
| Ports | 5 × RJ45 Ethernet |
| Supported speeds | 100M / 1G / 2.5G / 5G / 10G per port |
| Auto-negotiation | Yes |
| Auto-MDI/MDIX | Yes |
| Switching capacity | 100 Gbps |
| Forwarding rate | 74.4 Mpps |
| Switching method | Store-and-forward |
| Standards | IEEE 802.3, 802.3u, 802.3ab, 802.3bz, 802.3an, 802.3x, 802.1p |
| Flow control | IEEE 802.3x |
| QoS | 802.1p / DSCP hardware QoS |
| Cooling | Fanless |
| Power adapter | 12 VDC / 2.0 A external adapter |
| Dimensions | 226 × 131 × 35 mm / 8.9 × 5.2 × 1.4 in |
| Mounting | Desktop or wall-mount |
| Operating temperature | 0–40 °C |
| Certifications | FCC, CE, RoHS |
TP-Link’s current product page lists 32K MAC table, 2 Mb packet buffer, 10 KB jumbo frame, and 21.4 W max power consumption. However, TP-Link’s newer TL-SX105 hardware version 4.0 datasheet lists 16K MAC table, 12 Mbit packet buffer, 12 KB jumbo frame, 24.44 W max power consumption, 83.10 BTU/h heat dissipation, and MTBF of 262,829.91 h at 25 °C. This means the exact minor specifications can depend on hardware revision; check the version printed on the product label if those values matter to you. (tp-link.com)
| Link speed | Practical cabling guidance |
|---|---|
| 100 Mbps | Cat5 or better |
| 1G / 2.5G / 5G | Cat5e or better up to 100 m |
| 10GBASE-T | Cat6 up to 55 m; shielded Cat6 / Cat6a / Cat7 up to 100 m |
TP-Link’s V4 datasheet specifies Cat5e or better for 1G/2.5G/5G to 100 m, and Cat6 to 55 m or shielded Cat6/6a/7 to 100 m for 10GBASE-T. In practice, for reliable 10GbE, Cat6a is the safest recommendation, especially for longer runs, patch panels, wall jacks, or electrically noisy environments. (static.tp-link.com)
The switch is architecturally appropriate for a 5-port 10GbE unmanaged switch. A 100 Gbps switching capacity corresponds to five ports operating at 10 Gbps full-duplex:
\[ 5 \text{ ports} \times 10 \text{ Gbps} \times 2 = 100 \text{ Gbps} \]
So, for normal Layer-2 forwarding, the TL-SX105 should not be internally bottlenecked by its switching fabric. The specified 74.4 Mpps forwarding rate is also consistent with line-rate packet forwarding for this class of 5-port 10G switch. (tp-link.com)
For real-world transfers, the limiting factors will usually be:
For file transfers to a modern NAS with SSDs or fast RAID, the TL-SX105 is well suited. For a single HDD NAS, the 10GbE link will usually exceed the storage subsystem’s throughput.
The TL-SX105 is fanless, using its metal enclosure as part of the thermal dissipation path. This is excellent for noise-sensitive spaces, but 10GBASE-T PHYs dissipate significantly more heat than 1G Ethernet PHYs. TP-Link specifies fanless operation and a metal casing, and the newer V4 datasheet gives a maximum heat dissipation figure of 83.10 BTU/h. (tp-link.com)
Practical implication:
The TL-SX105 is an unmanaged switch. That is good if you want simplicity, but it is a hard limitation if you need network control. It does not provide a web GUI or CLI, and you should not buy it if you require configurable VLANs, LACP, port mirroring, SNMP monitoring, ACLs, per-port rate limiting, or advanced QoS policies.
Its advertised QoS is hardware-based 802.1p/DSCP QoS, not a user-configurable managed QoS system. TP-Link lists 802.3x flow control and 802.1p/DSCP QoS among the advanced features, but not VLAN management or managed Layer-2 features. (tp-link.com)
The TL-SX105 remains relevant because many home and small-office networks are moving beyond 1GbE due to:
TP-Link’s newer datasheet explicitly positions the switch for 10G NAS, servers, PCIe 10G NICs, gaming computers, Wi-Fi 7/6E/6 access points, and 8K video workflows. (static.tp-link.com)
As of the current retail listing I found, B&H listed the TL-SX105 at $199.99, reduced from $279.99, but street pricing changes frequently and should be checked at purchase time. (bhphotovideo.com)
Buy the TL-SX105 if your topology looks like this:
Avoid it if you need:
For best results:
The TP-Link TL-SX105 is a very practical silent 5-port 10GbE copper switch. It is best for simple high-speed networks involving NAS units, workstations, gaming PCs, and multi-gig Wi-Fi access points. Its performance specifications are strong for the class, and the fanless metal design is a major advantage in home and studio environments. The main caution is that it is strictly unmanaged and RJ45-only; if you need VLANs, LACP, monitoring, PoE, or SFP+, choose a managed or hybrid-port switch instead.
