Ubiquiti ECS-48S

MPN / P/N

ECS-48S

Access ports

1 GbE RJ45: 1 (1G/100M/10M) (OOB Management port only); 2.5 GbE RJ45: 32 (2.5G/1G/100M/10M) (10/100M half-duplex not supported); 10 GbE RJ45: 16 (10G/5G/2.5G/1G/100M/10M) (10/100M half-duplex not supported)

Uplink ports

25G SFP28: 4 (25G/10G/1G)

Management

Layer 3: True; LACP Port Aggregation: True; Stacking: True (Up to 4 switches per stack and only switches with the same port count); Cross-Stack LAG: True (An aggregated link spanning switches in the stack. Up to 8 ports per LAG); STP & RSTP: True; Management: Ethernet OOB Management port Serial Console AR; UniFi Network: Version 10.6.101 and later

Form factor

Rack Mount (1U, Full-Depth)

Stacking

100G QSFP28: 2 (100G) (Stacking port only, does not support uplink. Breakout cables are not supported)

Dimensions

442.4 x 44 x 496 mm (17.4 x 1.7 x 19.5")

1 GbE RJ45

1 (1G/100M/10M) (OOB Management port only)

2.5 GbE RJ45

32 (2.5G/1G/100M/10M) (10/100M half-duplex not supported)

10 GbE RJ45

16 (10G/5G/2.5G/1G/100M/10M) (10/100M half-duplex not supported)

25G SFP28

4 (25G/10G/1G)

100G QSFP28

2 (100G) (Stacking port only, does not support uplink. Breakout cables are not supported)

Console

1

Redundancy

Switch Stacking (2) Hot-Swappable PSUs (4) Hot-Swappable Fans

Form factor

Rack Mount (1U, Full-Depth) (Requires a 4-post rack, or a center-mount bracket or cantilever shelf on 2-post racks for optimal support)

Switching capacity

680 Gbps

Total Non-Blocking Throughput

340 Gbps

Forwarding Rate

506 Mpps

Supported VLANs

1,000

MAC Address Table Size

32,000

IPv4 Static Routes

512

Packet Buffer Size

8 MB

Stacking

True (Up to 4 switches per stack and only switches with the same port count)

Specification source: Ubiquiti ↗
Checked against documentation: 16.10.2026