Ubiquiti USW-48 vs Ubiquiti USW-PRO-MAX-48: Specification Comparison
Both the USW-48 and USW-PRO-MAX-48 are Ubiquiti 1U rack-mount, 48-port managed network switches in the UniFi line, sharing the same VLAN depth, steel enclosure, NDAA compliance, and universal AC power input. The core difference is tier: the USW-48 is a pure Gigabit access-layer switch with four 1G SFP uplinks, while the USW-PRO-MAX-48 introduces a mixed-speed port matrix—32×1G, 16×2.5G, and 4×10G SFP+—alongside a doubled switching fabric. Buyers choosing between them are weighing whether their environment demands multi-gig client speeds and 10G uplinks against a lower-power, simpler Gigabit deployment.
In This Guide
- Which switch delivers the port speeds and switching fabric your network tier actually requires?
- How do power consumption and operating environment compare between the two models?
- Do both switches match on VLAN depth, management, and compliance requirements?
- Which should you choose: the USW-48 or the USW-PRO-MAX-48?
- Side-by-Side Specs
- FAQ
Which switch delivers the port speeds and switching fabric your network tier actually requires?
The USW-48 provides 48×1G copper ports plus 4×1G SFP uplinks, a switching capacity of 104 Gbps, 52 Gbps non-blocking throughput, and a forwarding rate of 77 Mpps. Every port operates at the same speed, making planning straightforward for all-Gigabit access layers.
The USW-PRO-MAX-48 raises the fabric substantially: 224 Gbps switching capacity, 112 Gbps non-blocking throughput, and 167 Mpps forwarding—roughly 2.2× the forwarding rate of the USW-48. Its port matrix splits into 32×1G, 16×2.5G, and 4×10G SFP+ uplinks, enabling 2.5G connectivity to Wi-Fi 6/6E access points or workstations that can consume it, while the 10G SFP+ ports allow direct connection to core switches or NAS devices at ten times the uplink speed of the USW-48's SFP ports.
For environments with only Gigabit endpoints and modest uplink needs, the USW-48's fabric is sufficient. Where 2.5G client feeds or 10G aggregation are present or planned, only the USW-PRO-MAX-48 has the port speeds to serve them.
How do power consumption and operating environment compare between the two models?
The USW-48 is rated at 40W typical power consumption, backed by an internal 60W power supply. Its operating temperature range is -15°C to 40°C (5°F to 104°F), giving it a wider cold-side tolerance that can matter in unheated wiring closets or outdoor-adjacent IDFs in colder climates.
The USW-PRO-MAX-48 draws 100W typical—2.5× the load of the USW-48—supplied by an internal 100W power supply. Its operating temperature floor is -5°C (23°F), a narrower cold tolerance. Both units share the same 100–240V AC universal input, SGCC steel enclosure, and 1U rack footprint, though the PRO-MAX-48 is 40 mm deeper (325 mm vs. 285 mm) and 0.9 kg heavier (4.8 kg vs. 3.9 kg).
For power-budget-sensitive branch closets, the USW-48's 40W draw is a clear advantage. Installers must also verify that rack depth accommodates the PRO-MAX-48's additional 40 mm before specifying it.
Do both switches match on VLAN depth, management, and compliance requirements?
Both switches support up to 1,000 VLANs and are managed via Ethernet, operating within the UniFi ecosystem. No difference in VLAN capacity is present in the provided specifications.
Both models carry NDAA compliance and share the same certification set: CE, FCC, and IC, with country-specific Anatel certifications (17193-20-08356 for the USW-48; 06373-24-08356 for the USW-PRO-MAX-48). Both carry a manufacturer warranty; no specific warranty term length is stated in the provided specifications for either model.
From a compliance and management standpoint, the two switches are equivalent. Buyers already standardized on UniFi can add either to an existing controller deployment without differentiation in software capability based on the provided specs.
Which should you choose: the USW-48 or the USW-PRO-MAX-48?
Our take: The USW-48 is the stronger choice when the deployment is an all-Gigabit access layer with modest uplink requirements and a constrained power budget. The USW-PRO-MAX-48 is the stronger choice when multi-gig client speeds or 10G aggregation are required. Three concrete spec deltas define the gap: the PRO-MAX-48's switching fabric is 224 Gbps vs. 104 Gbps, its forwarding rate is 167 Mpps vs. 77 Mpps, and it introduces 16×2.5G copper ports and 4×10G SFP+ uplinks that the USW-48 simply does not have. Those gains cost 100W vs. 40W and add 40 mm of rack depth. For branch IDFs running standard Gigabit cameras, phones, and desktops, the USW-48's lower power draw and wider cold-temperature tolerance (-15°C vs. -5°C) are practical advantages. For wiring closets feeding Wi-Fi 6E APs, multi-gig workstations, or requiring 10G uplinks to a core switch, the USW-PRO-MAX-48 is the appropriate tier.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | Ubiquiti USW-48 | Ubiquiti USW-PRO-MAX-48 |
|---|---|---|
| Form Factor | 1U Rack Mount | 1U Rack Mount |
| Total Ports | 48 | 48 |
| Copper Port Speeds | 48 × 1G | 32 × 1G + 16 × 2.5G |
| Uplink Ports | 4 × 1G SFP | 4 × 10G SFP+ |
| Switching Capacity | 104 Gbps | 224 Gbps |
| Non-Blocking Throughput | 52 Gbps | 112 Gbps |
| Forwarding Rate | 77 Mpps | 167 Mpps |
| VLAN Support | 1,000 | 1,000 |
| Power Consumption (typical) | 40W | 100W |
| Internal Power Supply | 60W | 100W |
| Voltage Input | 100–240V AC, 50/60 Hz | 100–240V AC |
| Operating Temperature | -15°C to 40°C | -5°C to 40°C |
| Dimensions (mm) | 442 × 285 × 44 | 442 × 325 × 44 |
| Weight (without brackets) | 3.9 kg (8.6 lb) | 4.8 kg (10.6 lb) |
| Enclosure Material | SGCC steel | SGCC steel |
| NDAA Compliant | Yes | Yes |
Frequently Asked Questions
Which should you choose: the USW-48 or the USW-PRO-MAX-48?
The USW-48 is the stronger choice when the deployment is an all-Gigabit access layer with modest uplink requirements and a constrained power budget. The USW-PRO-MAX-48 is the stronger choice when multi-gig client speeds or 10G aggregation are required. Three concrete spec deltas define the gap: the PRO-MAX-48's switching fabric is 224 Gbps vs. 104 Gbps, its forwarding rate is 167 Mpps vs. 77 Mpps, and it introduces 16×2.5G copper ports and 4×10G SFP+ uplinks that the USW-48 simply does not have. Those gains cost 100W vs. 40W and add 40 mm of rack depth. For branch IDFs running standard Gigabit cameras, phones, and desktops, the USW-48's lower power draw and wider cold-temperature tolerance (-15°C vs. -5°C) are practical advantages. For wiring closets feeding Wi-Fi 6E APs, multi-gig workstations, or requiring 10G uplinks to a core switch, the USW-PRO-MAX-48 is the appropriate tier.
Is the USW-48 or USW-PRO-MAX-48 better for connecting Wi-Fi 6E access points?
The USW-PRO-MAX-48 is the appropriate choice for Wi-Fi 6E APs that require 2.5G uplink feeds. Its 16×2.5G copper ports can supply the multi-gig backhaul those APs need. The USW-48 provides only 1G copper ports, which will bottleneck a 2.5G-capable AP to 1 Gbps. Neither spec indicates PoE output on the USW-48; the USW-PRO-MAX-48 spec references PoE++ (802.3bt), though full PoE budget details are not present in the provided specifications for either model.
Can the USW-48 handle a full 48-port deployment without becoming a bottleneck?
Yes, based on the provided specifications. The USW-48's 52 Gbps non-blocking throughput and 77 Mpps forwarding rate are spec'd to sustain line-rate forwarding across all 48 × 1G ports simultaneously, meaning no port is starved under full load in a 1G environment. If any connected device needs to push more than 1G, the USW-48 cannot accommodate that—that would require the USW-PRO-MAX-48.
Which switch is better suited for a temperature-variable or unheated wiring closet?
The USW-48 has a wider operating temperature range, rated down to -15°C (5°F) vs. the USW-PRO-MAX-48's floor of -5°C (23°F). In unheated IDFs or spaces that drop below -5°C, only the USW-48 is within its rated operating envelope based on the provided specifications. Both share the same 40°C upper limit.
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