Ubiquiti USW-LITE-8-POE vs Ubiquiti USW-ULTRA: Specification Comparison
Both the USW-LITE-8-POE and USW-ULTRA are Ubiquiti-managed 8-port Gigabit PoE switches sharing a 16 Gbps switching capacity and 8 Gbps non-blocking throughput fabric — a direct cross-shop for installers deploying cameras, access points, or IoT devices at the network edge. The key axes of comparison are PoE standard and per-port power delivery, total PoE budget and VLAN segmentation capacity, and operating environment plus power-input flexibility. Neither model includes SFP uplinks; both are NDAA-compliant polycarbonate desktop units.
In This Guide
Which switch delivers more PoE power per port and in total?
The USW-LITE-8-POE provides 52W total PoE+ (802.3at) distributed across all 8 ports, powered by an included 60W external AC/DC adapter. Every port is PoE+-capable, giving installers up to 30W per port within the 52W shared budget — appropriate for standard IP cameras, Wi-Fi 5/6 APs, and access control readers.
The USW-ULTRA supports PoE++ (802.3bt) per its spec, but total output budget depends on input source: 42W when powered via PoE++ input, 16W when powered via PoE+ input, or up to 210W when powered via AC adapter (AC adapter excluded per spec). Per-port maximums are not individually stated for the AC scenario in the provided specs, but the PoE++ standard supports up to 60W per port. Buyers powering the USW-ULTRA via PoE++ from an upstream switch are capped at 42W total — less than the LITE-8-POE's 52W AC-backed budget.
For deployments requiring consistent, higher aggregate PoE output backed by AC power, the USW-LITE-8-POE's 52W included-adapter budget is a simpler baseline. The USW-ULTRA's 210W AC ceiling is potentially higher, but the AC adapter is not included and the per-port distribution across 8 ports under AC is not specified in the provided data.
Which switch offers greater network segmentation and management depth?
VLAN support differs significantly: the USW-LITE-8-POE supports 1,000 VLANs versus 256 VLANs on the USW-ULTRA. Both are managed via Ethernet (UniFi controller assumed, though management platform details beyond 'Ethernet' are not elaborated in the provided specs). Forwarding rate is identical at 12 Mpps and switching capacity is identical at 16 Gbps on both units.
For installations requiring heavy traffic segmentation — separating IoT, IP camera VLANs, corporate LAN, and guest networks across a single 8-port switch — the USW-LITE-8-POE's 1,000-VLAN capacity provides substantially more headroom. The USW-ULTRA's 256-VLAN limit is adequate for most small edge deployments but may constrain complex multi-tenant or multi-zone security installations.
No differentiation in Layer 3 features, QoS depth, or specific management software version is noted in the provided specs for either model. Buyers requiring advanced routing or specific UniFi Network Application version compatibility should consult Ubiquiti's current software release notes, as those details are absent from the provided specifications.
Which switch is better suited for harsh or infrastructure-limited environments?
The USW-ULTRA's operating temperature range of -30°C to 60°C (when powered via PoE++ input) significantly exceeds the USW-LITE-8-POE's -15°C to 40°C range. This 15°C extension at the cold end and 20°C extension at the hot end makes the USW-ULTRA materially better suited for unconditioned spaces, outdoor enclosures, or rooftop/attic installations where ambient temperatures fall outside the LITE-8-POE's limits. Note: the wider temperature spec is explicitly tied to PoE++ input mode in the provided specifications.
The USW-ULTRA also accepts PoE++ as its power input, allowing it to be deployed at edge sites without local AC infrastructure — powered entirely through an upstream PoE++ switch or injector over a single Ethernet cable. The USW-LITE-8-POE requires an AC outlet and the included 60W external adapter; it cannot be powered over Ethernet.
Mount flexibility also differs: the USW-ULTRA supports desktop, wall, and magnetic mounting per its spec; the USW-LITE-8-POE supports desktop and wall mount. The USW-ULTRA is slightly larger (203 × 76 × 33 mm vs. 99.6 × 163.7 × 31.7 mm) and heavier (320 g vs. 295 g), though both are polycarbonate construction.
Which should you choose: the USW-LITE-8-POE or the USW-ULTRA?
Our take: The USW-LITE-8-POE is the stronger choice when AC power is available, aggregate PoE budget and VLAN depth matter, and ambient temperatures stay within -15°C to 40°C. It delivers a 52W PoE+ budget (vs. 42W in the USW-ULTRA's PoE++-input mode) backed by an included AC adapter, and supports 1,000 VLANs versus 256 on the USW-ULTRA — a meaningful advantage for segmented camera and IoT deployments. The USW-ULTRA is the stronger choice for edge or infrastructure-limited sites: it operates from -30°C to 60°C (a 35°C wider range than the LITE-8-POE), can be powered entirely over PoE++ with no local AC outlet, and adds magnetic mounting. Switching fabric, forwarding rate, port count, and NDAA compliance are identical on both. Platform qualifier: both models are Ubiquiti UniFi family; buyers should verify current UniFi Network Application compatibility for their target firmware version, as management software details are not specified in the provided data.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | Ubiquiti USW-LITE-8-POE | Ubiquiti USW-ULTRA |
|---|---|---|
| Port Count | 8 | 8 |
| Port Speed | 1 Gbps | 1 Gbps (10M/100M/1G) |
| Switching Capacity | 16 Gbps | 16 Gbps |
| Non-Blocking Throughput | 8 Gbps | 8 Gbps |
| Forwarding Rate | 12 Mpps | 12 Mpps |
| PoE Standard | PoE+ (802.3at) | PoE++ (802.3bt) |
| Total PoE Budget | 52W (AC-backed) | 42W (PoE++ input) / 16W (PoE+ input) / 210W (AC, adapter excluded) |
| VLAN Support | 1,000 VLANs | 256 VLANs |
| Power Input | AC/DC adapter (included, 60W) | PoE++ / PoE+ / AC (adapter excluded) |
| Power Consumption (no PoE) | 8W | 9W |
| Operating Temperature | -15°C to 40°C | -30°C to 60°C (PoE++ input) |
| Dimensions (mm) | 99.6 × 163.7 × 31.7 | 203 × 76 × 33 |
| Weight | 295 g (10.4 oz) | 320 g (11.3 oz) |
| Mount Options | Desktop, wall | Desktop, wall, magnetic |
| Enclosure Material | Polycarbonate | Polycarbonate |
| NDAA Compliant | Yes | Yes |
Frequently Asked Questions
Which should you choose: the USW-LITE-8-POE or the USW-ULTRA?
The USW-LITE-8-POE is the stronger choice when AC power is available, aggregate PoE budget and VLAN depth matter, and ambient temperatures stay within -15°C to 40°C. It delivers a 52W PoE+ budget (vs. 42W in the USW-ULTRA's PoE++-input mode) backed by an included AC adapter, and supports 1,000 VLANs versus 256 on the USW-ULTRA — a meaningful advantage for segmented camera and IoT deployments. The USW-ULTRA is the stronger choice for edge or infrastructure-limited sites: it operates from -30°C to 60°C (a 35°C wider range than the LITE-8-POE), can be powered entirely over PoE++ with no local AC outlet, and adds magnetic mounting. Switching fabric, forwarding rate, port count, and NDAA compliance are identical on both. Platform qualifier: both models are Ubiquiti UniFi family; buyers should verify current UniFi Network Application compatibility for their target firmware version, as management software details are not specified in the provided data.
Can the USW-ULTRA power high-wattage devices like PTZ cameras or Wi-Fi 6E APs better than the USW-LITE-8-POE?
Potentially, but it depends on power source. The USW-ULTRA supports PoE++ (802.3bt), which allows up to 60W per port at the standard level, versus the USW-LITE-8-POE's PoE+ (802.3at) ceiling of 30W per port. However, the USW-ULTRA's total PoE budget when powered via PoE++ input is only 42W across all 8 ports — less than the LITE-8-POE's 52W AC-backed total. Per-port distribution under AC input (up to 210W total per spec) is not specified in the provided data. For guaranteed 802.3at device compatibility with a predictable 52W pool, the LITE-8-POE's included AC adapter is the simpler, spec-confirmed option.
Is the USW-LITE-8-POE or USW-ULTRA better for a deployment with many camera VLANs and network zones?
The USW-LITE-8-POE is the better choice for dense VLAN environments. It supports 1,000 VLANs versus 256 on the USW-ULTRA — nearly four times the segmentation capacity. For installations separating camera traffic, access control, corporate LAN, IoT, and guest networks across a single 8-port switch, the LITE-8-POE provides significantly more headroom before VLAN table limits are reached.
Which switch should I choose for an outdoor enclosure or unconditioned space installation?
The USW-ULTRA is the specified choice for harsh temperature environments. Its operating range of -30°C to 60°C (when powered via PoE++ input) covers scenarios the USW-LITE-8-POE cannot — the LITE-8-POE is rated only to -15°C at the cold end and 40°C at the hot end. The USW-ULTRA also eliminates the need for a local AC outlet since it can be powered over a single PoE++ Ethernet run, which simplifies installation in remote or infrastructure-limited locations such as rooftop enclosures or parking structure junction boxes.
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