ethernet switch

PoE+ models list several port-count/power combinations. Examples include 8 PoE+ ports with a 65W total budget, 24 PoE+ ports with a 193W budget, and 48 PoE+ ports with a 370W budget.

Several switches include optical uplink options. Common configurations show 2 Gigabit SFP ports on smaller models and 4 Gigabit SFP (or combo SFP) ports on larger 24/28-port models.

The range includes multi‑gig speeds such as 2.5 Gbps (listed as 2500 Mbps) and Gigabit‑class speeds shown as 10/100/1000 Mbps (often reported as 1 Gbps).

Many listings advertise fan‑less or low‑noise designs and compliance with IEEE 802.3az Energy‑Efficient Ethernet; a few specifically market silent or quiet operation for audio/AV setups.

Dimensions range from compact desktop examples (for example 1.41 in H × 5.7 in W × 3.34 in D) up to rack‑width units (for example 1.7 in H × 17.5 in W × 10.7 in D); some items include a mounting kit in the package.

Most listings state a Limited Lifetime Warranty; one listing specifies a 1 Year Limited Warranty.