TRENDnet
Wired networkingTRENDnet TEG-S380 Review: 8-Port 2.5G Switch, Versions & Bottlenecks
A version-aware guide to TRENDnet's unmanaged eight-port 2.5GbE switch, including fanless operation, Cat5e-or-better cabling, its 40Gbps official switching specification, and the hardware-version check the Amazon title does not make obvious.
Check the exact configuration
Amazon US: Confirm ASIN B08XWKF55C, eight-port model, hardware version, seller, and warranty.

Editorial image for visual context; the linked listing may have a different product appearance or configuration.
Quick verdict
Best fit
Quiet eight-port 2.5GbE expansion for a multi-gig home network
Main upside
Eight 2.5GBASE-T ports with backward compatibility
Check first
No managed VLAN, link-aggregation, or monitoring controls
Evidence snapshot
- Updated
- July 2, 2026
- Source basis
- 2 primary sources plus retailer listing checks
- Version risk
- Confirm ASIN B08XWKF55C and the TEG-S380 hardware version before using a version-specific datasheet
- Price or bundle risk
- Confirm ASIN B08XWKF55C, eight-port model, hardware version, seller, and warranty.
Amazon listing verification
- Amazon listing anchor
- ASIN B08XWKF55C
- Listing title to match
- TRENDnet TEG-S380 8-Port 2.5G Switch
- Model or bundle
- TRENDnet TEG-S380 8-Port 2.5G Switch
- Version risk
- Confirm ASIN B08XWKF55C and the TEG-S380 hardware version before using a version-specific datasheet
- Price handling
- Confirm ASIN B08XWKF55C, eight-port model, hardware version, seller, and warranty.
Update record
- Content updated
- July 2, 2026
- Official source links
- 2 linked sources
- Retail listing check
- Amazon ASIN B08XWKF55C
- Price policy
- Exact prices are not copied; merchant page controls final price and availability
Product facts
- Exact product
- TRENDnet TEG-S380 8-Port 2.5G Switch
- Brand
- TRENDnet
- Best use case
- Quiet eight-port 2.5GbE expansion for a multi-gig home network
- Category
- wired
- ASIN
- B08XWKF55C
- Price band
- $$
Compatibility checks
- Confirm ASIN B08XWKF55C and the TEG-S380 hardware version before using a version-specific datasheet
- Verify 2.5GbE support on the router, adapters, NAS, and clients at both ends of every important path
- Treat the official 40Gbps specification as the version-controlled source; the Amazon title may show a different aggregate figure
- Choose a managed switch instead if VLANs, traffic visibility, or link aggregation are required
Official specs referenced
| Spec | Value to verify |
|---|---|
| ASIN | B08XWKF55C |
| Ports | 8 × 2.5GBASE-T RJ-45 |
| Compatibility | Backward compatible with slower Ethernet devices |
| Official switching capacity | 40Gbps; verify the exact hardware version |
| Cooling | Fanless |
| Enclosure | Metal; wall-mountable |
| Cabling | Cat5e or better for supported 2.5GbE paths |
TRENDnet TEG-S380 support: Official version selector, ports, switching capacity, fanless design, cabling, and datasheets.
Amazon listing for ASIN B08XWKF55C: Exact linked offer; confirm hardware version and seller against the TRENDnet label.
Fit / skip decision tree
Buy if
Your priority is quiet eight-port 2.5gbe expansion for a multi-gig home network and the exact listing matches the specs below.
Skip if
No managed VLAN, link-aggregation, or monitoring controls
Compare if
Choose TP-Link TL-SG108 for inexpensive unmanaged gigabit expansion.
Verify first
Confirm ASIN B08XWKF55C and the TEG-S380 hardware version before using a version-specific datasheet
Our take
TEG-S380 is a practical step up when several desktops, access points, or NAS devices already support 2.5GbE. A gigabit switch remains the better value when only one device—or only the internet plan—can exceed 1Gbps.
Why it matters
A 2.5G switch does not make a gigabit router, adapter, NAS, or client faster. Every segment of the path must negotiate above gigabit, and local file transfers should be evaluated separately from internet speed.
Hardware version is not a footnote
TRENDnet's support site distinguishes versions and marks older revisions as replaced by V2. Confirm the label on the retailer listing or delivered switch before downloading firmware, a datasheet, or a setup guide.
Eight 2.5G ports are useful only with a real path
A 2.5GbE desktop talking to a 2.5GbE NAS can benefit even when the internet is slower. A 2.5Gbps internet plan also needs a compatible modem, router WAN/LAN path, client adapter, and cabling.
Unmanaged is a feature and a limitation
Plug-and-play operation is ideal for a simple home network. It is the wrong fit when the design requires VLAN separation, per-port statistics, spanning-tree controls, or deliberate link aggregation.
Who should skip it
Skip it when the entire network is gigabit, a five-port switch is enough, or the next planned upgrade is 10GbE. Buying unused port speed does not improve reliability.
Where it wins
- Eight 2.5GBASE-T ports with backward compatibility
- Fanless metal enclosure suits desks and network shelves
- Unmanaged operation requires no VLAN or switch configuration
Trade-offs
- No managed VLAN, link-aggregation, or monitoring controls
- No 10GbE or SFP+ uplink
- TRENDnet has multiple hardware versions, so the live listing and support page must match
What to verify
- Confirm ASIN B08XWKF55C and the TEG-S380 hardware version before using a version-specific datasheet
- Verify 2.5GbE support on the router, adapters, NAS, and clients at both ends of every important path
- Treat the official 40Gbps specification as the version-controlled source; the Amazon title may show a different aggregate figure
- Choose a managed switch instead if VLANs, traffic visibility, or link aggregation are required
Who should buy it
Consider TRENDnet TEG-S380 8-Port 2.5G Switch if your priority is quiet eight-port 2.5gbe expansion for a multi-gig home network and you want a product that fits your home-network setup without adding unnecessary complexity.
Also compare
- Choose TP-Link TL-SG108 for inexpensive unmanaged gigabit expansion.
- Choose NETGEAR GS308E when light management matters more than 2.5GbE.
- Choose a 10GbE or SFP+ switch when the NAS backbone already exceeds 2.5GbE.
Compare nearby options
| Product | Best for | Check first | Price band | Listing anchor |
|---|---|---|---|---|
| TRENDnet TEG-S380 8-Port 2.5G Switch | Quiet eight-port 2.5GbE expansion for a multi-gig home network | No managed VLAN, link-aggregation, or monitoring controls | $$ | ASIN B08XWKF55C |
| TP-Link TL-SG108 8-Port Gigabit Switch | Simple wired port expansion | Gigabit only | $ | wired |
| NETGEAR GS308E 8-Port Gigabit Switch | Quiet smart-ish wired expansion | Still gigabit class | $ | wired |
TP-Link
TP-Link TL-SG108 8-Port Gigabit Switch
Simple wired port expansion
NETGEAR
NETGEAR GS308E 8-Port Gigabit Switch
Quiet smart-ish wired expansion
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Version and price risk
Treat the exact listing as part of the product. Confirm the model number, hardware revision, included accessories, seller, coupon state, and return path before checkout. Current link note: Confirm ASIN B08XWKF55C, eight-port model, hardware version, seller, and warranty.
Before you buy
- Confirm the exact hardware version, pack quantity, port speeds, regional model, and current firmware support.
- Check the retailer listing, seller, return window, and whether subscriptions change any advertised feature.
- Map placement, Ethernet backhaul, client support, and the actual internet bottleneck before upgrading.
- Use recent owner feedback to look for recurring quality-control issues after confirming the exact model.
- Our Amazon links may earn commission from qualifying purchases, at no extra cost to you.
Primary sources
- TRENDnet TEG-S380 support — Official version selector, ports, switching capacity, fanless design, cabling, and datasheets.
- Amazon listing for ASIN B08XWKF55C — Exact linked offer; confirm hardware version and seller against the TRENDnet label.