Brands Guides About
TP-Link TL-SG1048 48-Port Gigabit Rackmount Ethernet Switch — main product image
TP-Link TL-SG1048 48-Port Gigabit Rackmount Ethernet Switch
TP-Link TL-SG1048 48-Port Gigabit Rackmount Ethernet Switch
TP-Link TL-SG1048 48-Port Gigabit Rackmount Ethernet Switch
TP-Link TL-SG1048 48-Port Gigabit Rackmount Ethernet Switch
TP-Link TL-SG1048 48-Port Gigabit Rackmount Ethernet Switch
TP-Link TL-SG1048 48-Port Gigabit Rackmount Ethernet Switch
TP-Link

TP-Link TL-SG1048 48-Port Gigabit Rackmount Ethernet Switch

★★★★★4.7 (127760 reviews)
8K

48-port unmanaged gigabit switch with fanless design, 96 Gbps switching capacity, and plug-and-play setup.

$244.24*$299.99Save 18%
✓ In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The TP-Link TL-SG1048 is a 48-port unmanaged gigabit Ethernet switch built for businesses, studios, and IT environments that need to connect a large number of wired devices without the overhead of switch management. Every port supports 10/100/1000 Mbps speeds with Auto-Negotiation and Auto MDI/MDIX, so any standard Ethernet cable works without worrying about crossover connections. The non-blocking wire-speed architecture delivers a full 96 Gbps of switching capacity, ensuring that all 48 ports can operate at maximum throughput simultaneously without bottlenecks.

The metal chassis is designed for 19-inch rackmount installation, though it works equally well on a desktop or shelf. Its fanless cooling design is a standout feature — the switch operates in complete silence, making it appropriate for noise-sensitive environments like recording studios, open-plan offices, or conference rooms. IEEE 802.3x flow control helps prevent packet loss during periods of heavy traffic, and the 8K MAC address table accommodates large networks with many endpoints. TP-Link's energy-efficient technology adjusts power consumption based on link status and cable length, reducing electricity costs over time. The switch is backed by a 3-year warranty and TP-Link's weekday technical support.

Key Features

𝐎𝐧𝐞 𝐒𝐰𝐢𝐭𝐜𝐡 𝐌𝐚𝐝𝐞 𝐭𝐨 𝐄𝐱𝐩𝐚𝐧𝐝 𝐍𝐞𝐭𝐰𝐨𝐫𝐤: 48× 10/100/1000Mbps RJ45 Ports supporting Auto Negotiation and Auto MDI/MDIX

𝐆𝐢𝐠𝐚𝐛𝐢𝐭 𝐭𝐡𝐚𝐭 𝐒𝐚𝐯𝐞𝐬 𝐄𝐧𝐞𝐫𝐠𝐲: Latest innovative energy-efficient technology greatly expands your network capacity with much less power consumption and helps save money

𝐑𝐞𝐥𝐢𝐚𝐛𝐥𝐞 𝐚𝐧𝐝 𝐐𝐮𝐢𝐞𝐭: IEEE 802.3X flow control provides reliable data transfer and Fanless design ensures quiet operation

𝐏𝐥𝐮𝐠 𝐚𝐧𝐝 𝐏𝐥𝐚𝐲: Easy setup with no software installation or configuration needed

𝐀𝐝𝐯𝐚𝐧𝐜𝐞𝐝 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐅𝐞𝐚𝐭𝐮𝐫𝐞𝐬: TL-SG1048 features non-blocking wire-speed architecture with a 96Gbps switching capacity for maximum data throughput. An 8K MAC address table provides scalability for even the largest networks

𝟑 𝐘𝐞𝐚𝐫𝐬 𝐖𝐚𝐫𝐫𝐚𝐧𝐭𝐲: Backed by our industry-leading 3-year warranty and free technical support from 6am to 6pm PST Monday to Fridays, you can work with confidence.

Specifications

Brand
TP-Link
Model
TL-SG1048
Ports
48 x 10/100/1000Mbps RJ45
Switching Capacity
96 Gbps
MAC Address Table
8K
Flow Control
IEEE 802.3x
Standards
IEEE 802.3i, 802.3u, 802.3ab, 802.3x
Cooling
Fanless
Mounting
Rackmountable (19-inch)
Warranty
3 Years

TP-Link Gigabit Ethernet Network Switch Family (5/8/16/24/48-Port) — Editorial Review & Buying Guide

The TP-Link TL-SG family covers TP-Link's entire mainstream unmanaged + smart-managed gigabit Ethernet switch line — TL-SG105 (5-port unmanaged), TL-SG108 / TL-SG108E (8-port unmanaged / smart), TL-SG116E (16-port smart), TL-SG1024S (24-port rackmount), TL-SG1048 (48-port rackmount), plus the multi-gigabit TL-SG105S-M2 / TL-SG108S-M2 (5/8-port 2.5Gbps) and managed FS308G variants. Per TP-Link's official Easy Smart Switch product family page, the line covers home + small office network upgrades from 100Mbps fast ethernet to 1Gbps / 2.5Gbps speeds, supports IEEE 802.3 / 802.3u / 802.3ab / 802.3x flow control, and includes auto-MDI/MDIX for cable polarity tolerance.

What the TP-Link TL-SG Family Specifically Wins

  • Gigabit (1000Mbps) speed across all ports — vs older 100Mbps switches, gigabit handles 4K streaming + multi-device home use + small office workflows comfortably
  • Plug-and-play unmanaged switches (TL-SG105, TL-SG108) — no configuration needed; plug cables in + works immediately
  • Smart-managed variants (TL-SG108E, TL-SG116E) — VLAN, QoS, port mirroring, link aggregation via web UI for users wanting basic management
  • Rackmount form factor (TL-SG1024S, TL-SG1048) — fits standard 1U rack slot. For larger home/office wiring closet
  • 2.5Gbps multi-gigabit variants (TL-SG105S-M2, TL-SG108S-M2) — for users with 2.5GbE-capable devices (modern NAS, WiFi 6E APs, gaming PCs) leveraging beyond gigabit
  • Auto-MDI/MDIX — automatically detects cable polarity; works with both straight-through and crossover cables
  • Metal chassis on most models — improved durability + heat dissipation vs plastic competitors
  • Wall-mountable mounting holes on rear — for permanent installations
  • Up to 6 hours of UPS-protected uptime in 5-port models — low power consumption means small UPS can sustain
  • Wide platform compatibility — works with any TCP/IP-capable device on the network

Where the TP-Link TL-SG Specifically Fits

  • Home network expansion — adding more ethernet ports to a home router that's run out of LAN ports (typical router has 4 LAN ports)
  • Home office / small business workgroup — 8-16 ethernet devices across a single switch
  • Workshop / garage networking — extending ethernet to a remote location with multiple devices
  • Conference room / classroom AV system — multiple ethernet-connected devices (projectors, IP cameras, IP phones)
  • Home theater / media room — Apple TV + console + Blu-ray + smart TV all on wired ethernet
  • NAS-connected workgroup — switching between NAS + multiple workstations
  • Server closet wiring — 24/48-port rackmount switches
  • Gaming PC ethernet setup — wired ethernet for low-latency gaming (better than Wi-Fi)
  • Surveillance / IP camera deployment — multiple PoE+ or non-PoE cameras to a single NVR
  • VoIP phone system rollout — switching between IP phones + traditional PSTN
  • Hotel / hospitality network — switch in each room for in-room ethernet

Honest Limits Buyers Should Know

  • Unmanaged switches (TL-SG105/108) cannot do VLAN / QoS. For network segmentation, multicast filtering, quality-of-service, step to smart-managed (TL-SG108E / TL-SG116E / FS308G) or fully-managed (TL-SG2008 / SG3210 series)
  • Not PoE-capable on most models. Standard TL-SG108 does NOT deliver power over ethernet. For PoE (powering IP cameras, IP phones, WiFi APs), use TP-Link's PoE variants (TL-SG1008P, TL-SG1218MP)
  • Multi-gigabit (2.5GbE) variants are limited. TL-SG105S-M2 / TL-SG108S-M2 are 2.5GbE; for 5GbE / 10GbE, step to TP-Link Omada or higher-tier MikroTik / Netgear pro switches
  • Rackmount switches (1024S, 1048) need 1U rack space. No rack? Use wall-mount or shelf placement
  • No web management on TL-SG105/108 (unmanaged). Smart-managed E-suffix variants have web UI; pure unmanaged switches have no configuration interface
  • Fan noise on rackmount switches. 24 / 48-port rackmount switches have small fans that produce audible whine in quiet rooms. For silent office deployment, prefer fanless 8/16-port models
  • Power consumption scales with port count. 5-port: ~5W; 48-port: ~30W. Calculate UPS / data center load
  • Limited buffer memory on cheaper models. Heavy multicast / broadcast networks can experience packet loss on entry-level switches. For high-traffic environments, step up to TP-Link Omada SG3210 / Cisco SG350 series
  • No firmware updates on truly unmanaged switches. Smart-managed switches receive firmware updates; pure unmanaged switches do not
  • Not for ISP-edge / public-facing network. These are LAN switches, not WAN routers. They cannot do DHCP / NAT / firewall functions

Where Buyers Should Look Elsewhere

  • 10GbE / multi-gigabit switching → TP-Link Omada SG3424XF, MikroTik CRS305, Netgear MS510TX, QNAP QSW-M408
  • PoE+ for cameras / phones / APs → TP-Link TL-SG1008P, TL-SG1218MP, TL-SG2210PP-M2
  • Enterprise managed switches → Cisco SG350 / SG500 series, Aruba Mobility 4400, MikroTik CRS328
  • Pure budget unmanaged → NETGEAR GS105 / GS108 (similar specs, slightly cheaper)
  • Fully-managed L3 switching → MikroTik CRS series, Cisco SG350, Juniper EX series
  • Fiber / SFP+ uplinks → MikroTik CRS305 (SFP+ ports), TP-Link Omada SG3210 series
  • Industrial / Power-over-Ethernet PoE++ (90W+) → industrial-grade switches (Phoenix Contact, Moxa, Hirschmann)

Sources & Citations

  1. TP-Link, "Easy Smart Switch product family page," tp-link.com (accessed 2026-05-18)
  2. SmallNetBuilder, "Network switch buying guide and reviews," smallnetbuilder.com (accessed 2026-05-18)
  3. Tom's Hardware, "Gigabit ethernet switch comparison," tomshardware.com (accessed 2026-05-18)
  4. ServeTheHome, "Network switch reviews and benchmarks," servethehome.com (accessed 2026-05-18)

Last verified: 2026-05-18

Now that you've seen the details — ready to take a closer look?

View on Amazon

Pros & Cons

👍 Pros

  • 48 gigabit ports in a single unit provide substantial network expansion without stacking multiple switches
  • 48 gigabit ports in a single 1U rackmount unit provide substantial network expansion
  • All 48 ports deliver full gigabit speeds with non-blocking 96 Gbps switching capacity
  • Fanless design operates silently, suitable for offices, studios, and open workspaces
  • Fanless design ensures completely silent operation in noise-sensitive environments
  • Fanless design ensures completely silent operation in noise-sensitive environments
  • Plug-and-play setup requires zero configuration, reducing deployment time
  • Plug-and-play setup requires zero configuration or software installation
  • Plug-and-play setup requires zero configuration or software installation
  • Sturdy metal housing with rackmount brackets fits standard 19-inch server racks
  • Non-blocking 96Gbps switching capacity allows all ports to run at full wire speed
  • 96Gbps non-blocking switching capacity delivers full wire-speed performance across all ports
  • Sturdy metal housing with rackmount design fits standard 19-inch racks
  • Energy-efficient technology reduces power consumption compared to older switch designs
  • IEEE 802.3x flow control helps maintain reliable data transfer under heavy load

👎 Cons

  • Unmanaged switch offers no VLANs, QoS, or traffic monitoring features
  • Unmanaged switch offers no VLANs, QoS, or port monitoring features
  • Unmanaged design offers no VLANs, QoS, or traffic monitoring capabilities
  • No PoE support means separate power sources are needed for devices like access points and cameras
  • No SFP or fiber uplink ports for connecting to other switches over longer distances
  • No SFP or uplink ports for fiber connections or link aggregation to other switches
  • 48 ports in a 1U form factor can make cable management challenging at full density
  • No PoE support, so powered devices like access points require separate power sources
  • 8K MAC address table may be limiting in very large enterprise environments
  • No SFP or uplink ports for fiber connections to core switches
  • 8K MAC address table may be limiting in very large enterprise environments
  • No PoE support, so powered devices like access points or cameras require separate power
  • 3-year warranty is shorter than the lifetime warranties offered by some competitors

Frequently Asked Questions

No. It is a fully unmanaged switch with plug-and-play operation — just connect your Ethernet cables and power it on. There is no software to install or web interface to configure.
No. The TL-SG1048 is a fully unmanaged switch with plug-and-play operation — just connect your Ethernet cables and power it on.
No, it is a fully unmanaged switch with true plug-and-play operation. Simply connect your Ethernet cables and power, and the switch begins forwarding traffic immediately with no software installation needed.
Yes, the switch uses a fanless passive cooling design with a ventilated metal housing, which keeps it completely silent — an important consideration for noise-sensitive office or studio environments.
Yes, the TL-SG1048 uses a fanless design for completely silent operation. It relies on the ventilated metal housing to dissipate heat passively.
The switch uses a fanless design, so it produces no fan noise at all. This makes it suitable for office environments, studios, or anywhere quiet operation is important.
Yes. All 48 RJ45 ports support Auto MDI/MDIX, so you can use either straight-through or crossover cables without worrying about cable type.
The switch has a 96Gbps switching capacity with non-blocking architecture, meaning all 48 ports can operate at full gigabit speeds simultaneously without bottlenecks.
Yes, the TL-SG1048 is designed for standard 19-inch server racks and includes rackmount brackets. It can also be placed on a desktop or shelf if rack mounting is not available.
No, this is an unmanaged switch with no VLAN, QoS, or web management capabilities. If you need those features, TP-Link offers managed alternatives in the same port count.
Yes, all 48 ports support Auto MDI/MDIX, so you can use either straight-through or crossover cables without worrying about cable type.
Yes. The TL-SG1048 is designed with a sturdy metal enclosure and includes rackmount brackets for standard 19-inch server racks.
The TL-SG1048 has a 96Gbps non-blocking switching capacity, which provides full wire-speed throughput across all 48 ports simultaneously.
Yes, it is designed for standard 19-inch rack mounting and includes rackmount brackets. It occupies a 1U rack space.
The switch provides a non-blocking 96 Gbps switching capacity and supports an 8K MAC address table, which is sufficient for large networks with many connected devices.

Related Products