TP-Link SG105MPE vs Ubiquiti USW-FLEX-2.5G-5: Specification Comparison
Both the TP-Link TL-SG105MPE and the Ubiquiti USW-FLEX-2.5G-5 are 5-port desktop switches aimed at small-office and edge deployments, making them candidates a buyer might cross-shop when wiring a handful of IP cameras, access points, or workstations. The comparison turns on three meaningful divergences: port speed and throughput ceiling, PoE budget and power architecture, and depth of management and platform integration. Neither unit is a rack-mount appliance; both target compact, low-footprint installs.
In This Guide
- Which switch delivers more bandwidth per port and total throughput?
- Which switch can power more PoE devices, and how is the unit itself powered?
- Which switch offers deeper management features and suits more demanding environments?
- Which should you choose: the SG105MPE or the USW-FLEX-2.5G-5?
- Side-by-Side Specs
- FAQ
Which switch delivers more bandwidth per port and total throughput?
The USW-FLEX-2.5G-5 runs all five ports at 2.5 GbE with auto-negotiation down to 1G/100M/10M, yielding a switching capacity of 25 Gbps and a non-blocking forwarding throughput of 12.5 Gbps at 19 Mpps. This matters when uplinks to a NAS, Wi-Fi 6/6E access point, or a higher-speed core switch need headroom beyond gigabit.
The TL-SG105MPE is specified as Gigabit on all five ports. No switching capacity or forwarding-rate figures appear in the provided specs, so a direct numerical throughput comparison cannot be made. Buyers who move large video files or aggregate multiple 1G camera streams near line-rate should note that the Ubiquiti unit offers a 2.5× per-port speed advantage over the TP-Link on paper.
Which switch can power more PoE devices, and how is the unit itself powered?
The TL-SG105MPE carries a 120 W PoE+ budget across four PoE+ ports. At 30 W per port (IEEE 802.3at), that budget can simultaneously power four cameras or access points at full draw. The unit is wall-mountable and draws up to 120 W from a standard AC circuit.
The USW-FLEX-2.5G-5 is specified with a power budget of 5 W (AC/DC input) or 6.4 W (PoE input) and its own consumption of 5 W. The specs list it as PoE 802.3af-capable but no downstream PoE output budget appears in the provided data — it is primarily positioned as a PoE-input-powered device (USB-C 5V/1A or PoE in), not a PoE-out sourcing switch. Buyers needing to power cameras or APs directly from the switch ports should treat the TL-SG105MPE as the candidate; the Ubiquiti unit's PoE output capability is not confirmed by the provided specifications.
Which switch offers deeper management features and suits more demanding environments?
The USW-FLEX-2.5G-5 is a Layer 2+ managed switch controlled through UniFi network management. It supports 256 VLANs and a 4,000-entry MAC table per the provided specs. It is rated −20 to 45 °C, carries NDAA compliance, and is certified CE, FCC, IC, and Anatel. Its polycarbonate enclosure weighs 206 g (117.1 × 90 × 21.2 mm), and it operates on 4.8–5.2 V DC/USB — making it suitable for edge, battery-backed, or solar-powered installations where AC is unavailable.
The TL-SG105MPE is classified as 'Easy Smart' — a limited web-managed tier below full Layer 2. VLAN count, MAC table size, operating temperature range, and certifications are absent from the provided specifications. The unit is wall-mountable but not DIN-rail capable. Buyers who require NDAA compliance, a confirmed temperature floor below 0 °C, or integration into a unified network management controller should note that these attributes are documented only for the Ubiquiti unit.
Which should you choose: the SG105MPE or the USW-FLEX-2.5G-5?
Our take: The TL-SG105MPE is the stronger choice when the primary requirement is delivering PoE+ power to IP cameras or access points: its 120 W budget across four 802.3at ports far exceeds the USW-FLEX-2.5G-5's documented 5–6.4 W total power draw, and it does so from a standard AC outlet without requiring an upstream PoE injector. The USW-FLEX-2.5G-5 is the stronger choice when bandwidth and management depth matter more than PoE sourcing: its 2.5 GbE ports (vs. 1 GbE), 25 Gbps switching capacity, 256-VLAN support, NDAA compliance, and −20 °C cold-start rating address edge deployments, Wi-Fi 6 uplinks, and regulated-environment installs that the TP-Link's spec sheet does not address. Buyers already in the UniFi ecosystem gain controller-based management with the Ubiquiti; TP-Link's Easy Smart tier requires its own separate utility.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | TP-Link SG105MPE | Ubiquiti USW-FLEX-2.5G-5 |
|---|---|---|
| Product Type | Easy Smart Desktop Switch | Layer 2+ Managed Desktop Switch |
| Ports | 5 (4 PoE+, 1 uplink) | 5 × 2.5 GbE (auto 2.5G/1G/100M/10M) |
| Port Speed | 1 Gbps (Gigabit) | 2.5 Gbps per port |
| Switching Capacity | — | 25 Gbps |
| Non-Blocking Throughput | — | 12.5 Gbps |
| Forwarding Rate | — | 19 Mpps |
| PoE Budget (downstream) | 120 W (PoE+, 802.3at) | Not specified in provided data |
| PoE Standard (downstream) | 802.3at (PoE+) | 802.3af (listed; output budget not confirmed) |
| Unit Power Consumption | 120 W (max) | 5 W (AC/DC input) |
| Input Power Options | AC (wall) | USB-C 5V/1A or PoE input |
| VLAN Support | — | 256 VLANs |
| MAC Table | — | 4,000 entries |
| Operating Temperature | — | −20 to 45 °C (−4 to 113 °F) |
| Enclosure / Weight | — | Polycarbonate, 206 g |
| Dimensions | — | 117.1 × 90 × 21.2 mm |
| NDAA Compliant | — | Yes |
| Certifications | — | CE, FCC, IC, Anatel |
| Mount Type | Wall | Desktop |
| DIN Rail | No | — |
| Management Platform | TP-Link Easy Smart utility | UniFi controller |
Frequently Asked Questions
Which should you choose: the SG105MPE or the USW-FLEX-2.5G-5?
The TL-SG105MPE is the stronger choice when the primary requirement is delivering PoE+ power to IP cameras or access points: its 120 W budget across four 802.3at ports far exceeds the USW-FLEX-2.5G-5's documented 5–6.4 W total power draw, and it does so from a standard AC outlet without requiring an upstream PoE injector. The USW-FLEX-2.5G-5 is the stronger choice when bandwidth and management depth matter more than PoE sourcing: its 2.5 GbE ports (vs. 1 GbE), 25 Gbps switching capacity, 256-VLAN support, NDAA compliance, and −20 °C cold-start rating address edge deployments, Wi-Fi 6 uplinks, and regulated-environment installs that the TP-Link's spec sheet does not address. Buyers already in the UniFi ecosystem gain controller-based management with the Ubiquiti; TP-Link's Easy Smart tier requires its own separate utility.
Is the TL-SG105MPE or USW-FLEX-2.5G-5 better for powering IP cameras directly from the switch?
The TL-SG105MPE is the documented choice for PoE sourcing: it provides 120 W across four PoE+ (802.3at) ports, enough to simultaneously power four 30 W cameras. The USW-FLEX-2.5G-5 specs show a total power budget of 5–6.4 W and position it as a PoE-input-powered device; its downstream PoE output capability is not confirmed in the provided specifications.
Will the USW-FLEX-2.5G-5 work without an AC outlet — for example, in a remote cabinet or solar-powered enclosure?
Yes, per spec: the USW-FLEX-2.5G-5 accepts 4.8–5.2 V DC via USB-C (5V/1A) or via PoE input (6.4 W budget), so it can be powered from a PoE uplink or a USB power bank without any AC circuit. The TL-SG105MPE's specs do not describe a DC or PoE-input power option.
Does either switch meet NDAA compliance requirements for government or regulated installations?
The USW-FLEX-2.5G-5 is listed as NDAA Compliant in the provided specifications. The TL-SG105MPE's specifications do not include an NDAA compliance statement.
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