DealNews - Best Adapter Deals & Adapters for Sale

2.1-Channel USB Gaming Audio Adapter for $41

Thu, 30 Jul 2026 22:43:44 -0400

Handy for anyone who wants to add surround-style audio to a PC or console setup without installing a dedicated sound card, since it plugs in via USB and handles both speakers and a subwoofer through a single connection. Buy Now at Newegg

Features

2.1CH audio output
USB to RCA connectivity
Integrated sound card adapter

Juniper EX-SFP-1FE-FX SFP Module for $291

Wed, 29 Jul 2026 23:14:00 -0400

Small form-factor pluggable module designed for 100Base-FX Fast Ethernet fiber connections on compatible Juniper EX Series switches, so it's relevant if you're expanding or replacing SFP slots in an existing Juniper network setup. Buy Now at Newegg

Features

100Mbps Fast Ethernet SFP transceiver
Multimode fiber optic connectivity
1310nm operating wavelength
2km maximum reach
Model: EX-SFP-1FE-FX

Omada 1000Base-SX Industrial SFP Module for $46

Wed, 29 Jul 2026 23:06:13 -0400

Designed for industrial environments, this SFP module lets you add fiber uplink capability to compatible switches using the 1000Base-SX standard, which covers multimode fiber runs up to around 550 meters. Buy Now at Newegg

Features

1.25Gbps Gigabit Ethernet data transfer
Multi-mode fiber support for 850nm wavelength
1000Base-SX network connectivity
LC/UPC optical fiber connector interface
50/125µm and 62.5/125µm fiber compatibility

Fenvi AX210 Wi-Fi 6E Tri-Band Wireless Module for $22

Wed, 29 Jul 2026 22:15:38 -0400

Designed for desktop PCs that lack built-in Wi-Fi, this card adds Wi-Fi 6E support, which opens up the less congested 6GHz band alongside the standard 2.4GHz and 5GHz bands for faster, more reliable connections on compatible routers. Buy Now at Newegg

Features

2.4Gbps peak data speeds
WiFi 6E 802.11ax technology
Low-latency Bluetooth 5.3 connectivity
NGFF M.2 2230 interface compatibility
Windows 10/11 64-bit support

SIIG USB 3.0 to VGA Multi-Monitor Adapter for $72

Wed, 29 Jul 2026 00:29:05 -0400

Handy for anyone who needs to add a secondary display without opening up their PC, since it lets you connect a VGA monitor through a USB 3.0 port instead of requiring a dedicated graphics card slot. Buy Now at Newegg

Features

2048x1152 maximum resolution
USB 3.0 connectivity
VGA output support
32-bit color depth

Juniper EX-QSFP-40G-SR4 Optical Transceiver for $170

Wed, 29 Jul 2026 00:17:47 -0400

Networking hardware for anyone upgrading or expanding a 40GbE infrastructure, this short-range QSFP+ transceiver is designed for high-density switch-to-switch or switch-to-server connections over multimode fiber at distances up to 150 meters. Buy Now at Newegg

Features

40Gbps data transfer rate
QSFP+ form factor
Multi-mode fiber optic connectivity
850nm wavelength transmission
Model: EX-QSFP-40G-SR4

Aruba AP-303H Wall Mount for Wireless Access Point for $67

Wed, 29 Jul 2026 00:15:33 -0400

Designed to mount Aruba AP-303H access points directly to a wall, this bracket is a straightforward solution for IT setups where ceiling mounting isn't practical or where you need the access point positioned closer to end users. Buy Now at Newegg

Features

Antenna

Yustda AC/DC Power Adapter for TP-Link TD-W8970 Modem Router for $16

Wed, 29 Jul 2026 00:05:26 -0400

A replacement power adapter worth bookmarking if yours has failed or gone missing, since finding the right voltage and connector spec for a specific modem router model can be a headache otherwise. Buy Now at Newegg

Features

Global 100-240V compatibility
Long 6.5ft power cord
Integrated over-current and voltage protection
Short circuit protection technology
FCC, CE, and RoHS certified

Wavlink USB-C to 5Gbps Ethernet Adapter with 95W Charging Port for $28

Tue, 28 Jul 2026 23:07:01 -0400

Handy for laptops that lack an ethernet port but still need to stay charged while plugged into a wired network, since you get both in a single adapter rather than occupying two USB-C ports. Buy Now at Newegg

Features

5Gbps wired Ethernet connectivity
10Gbps USB-C data transfer speeds
Remote Wake-on-Lan and RealWoW support
95W USB-C power delivery pass-through
IEEE 802.3bz compliant network speeds

PCI-E to 1394A 3-Port FireWire Expansion Card for $55

Mon, 27 Jul 2026 23:40:02 -0400

Useful if you have older video equipment, external hard drives, or audio interfaces that require FireWire connectivity and your current PC lacks the ports — this card adds three of them through a PCIe slot. Buy Now at Newegg

Features

PCI-E 1X to IEEE 1394 expansion
Three FireWire ports for multiple devices
Compatible with Windows 7, 8, and 10
Designed for desktop PC connectivity
Video adapter for digital camcorders

PCI-E 1X to 16X 3-Port 1394 Firewire Adapter Card for $15

Mon, 27 Jul 2026 23:39:43 -0400

Useful if you have older video cameras, audio interfaces, or external hard drives that rely on FireWire connections and your current PC lacks the ports to support them. Buy Now at Newegg

Features

PCI-E 1X to 16X interface
3-port Firewire expansion
Includes 6-pin to 4-pin Firewire adapter
Supports DV video capture

Aruba 100G DR QSFP28 500m Single-mode Transceiver for $1,699.99

Mon, 27 Jul 2026 23:37:43 -0400

Designed for data center and enterprise network builds where you need to run 100G connections over single-mode fiber up to 500 meters, this transceiver fits Aruba-compatible switches and routers using a standard QSFP28 form factor. Buy Now at Newegg

Features

100Gbps high-performance Ethernet connectivity
QSFP28 interface for enhanced network dependability
Single-mode fiber support for long-distance transmission
Minimal signal loss over extended cable runs
Reliable data and AV application streaming

AOC-SGP-i2 Dual Port Gigabit PCIe Network Adapter for $88

Mon, 27 Jul 2026 23:37:37 -0400

A straightforward way to add two gigabit ethernet ports to a desktop that's short on network connectivity, which suits server builds, NAS setups, or any system where you need to separate network traffic across two physical interfaces. Buy Now at Newegg

Features

Dual port Gigabit networking
PCIe interface
Model: AOC-SGP-i2

USB 2.0 to RJ45 Ethernet Network Adapter for $17

Mon, 27 Jul 2026 23:37:33 -0400

Handy for laptops and desktops that lack a built-in ethernet port, this adapter lets you plug directly into a wired network using a standard USB port without any internal hardware changes. Buy Now at Newegg

Features

USB 2.0 to RJ45 Ethernet network connectivity
100Mbps high-speed data transfer

AddOn HP S2P30A Compatible 10GBase-SR SFP+ Transceiver for $198

Mon, 27 Jul 2026 23:37:20 -0400

Useful if you're expanding a 10GbE network and need an SFP+ transceiver that slots into HP-based infrastructure without compatibility headaches, since AddOn modules are designed to match OEM specs at a lower cost than buying direct from the manufacturer. Buy Now at Newegg

Features

10Gbit/s data transfer rate
850nm wavelength multi-mode fiber
0.40km maximum transmission distance
LC optical connector interface
TAA compliant networking hardware

Ubiquiti UF-GP-B+ SFP Module for $90

Mon, 27 Jul 2026 23:37:11 -0400

Designed for fiber network builds, this SFP module slots into compatible switches or routers to add a gigabit fiber uplink port, which is useful if you're expanding a home or small business network and need to connect over longer distances than copper ethernet allows. Buy Now at Newegg

Features

1.25Gbps downstream, 2.5Gbps upstream data rates
ITU-T G.984 GPON SFP module
Supports up to 20km link range
Hot-swappable design for easy installation
Model: UF-GP-B+

Ethernet 1-to-4 Network Adapter Splitter for $25

Mon, 27 Jul 2026 23:37:08 -0400

Lets you run four wired connections off a single Ethernet port, which is useful if you have a router or switch with limited ports and need to connect multiple devices in one spot without buying additional hardware. Buy Now at Newegg

Features

1000Mbps Gigabit data transfer speeds
Connect four devices to one Ethernet line
Concurrent use of multiple output ports
Integrated USB power cable for stable connection
Durable gold-plated eight-core RJ45 jacks

M.2 A+E 2.5Gbps Ethernet Networking Card for $26

Mon, 27 Jul 2026 23:37:01 -0400

Slots into the M.2 A+E key on your motherboard to add 2.5Gbps wired networking without using a PCIe slot, which makes it a practical option for small form factor builds or systems where expansion slots are already occupied. Buy Now at Newegg

Features

2.5Gbps high-speed Ethernet connectivity
M.2 A+E form factor compatibility
Backward compatible 1000/100Mbps Ethernet support

Intel AX203NGW M.2 Wi-Fi Adapter for $22

Mon, 27 Jul 2026 23:37:00 -0400

A straightforward upgrade for desktop or laptop users whose built-in Wi-Fi is slow or unreliable, this M.2 adapter slots directly into a compatible M.2 slot and adds Wi-Fi 6 connectivity without needing a USB dongle or PCIe card. Buy Now at Newegg

Features

AX203 M.2 CNVio2 Wi-Fi 6 adapter
Dual-band 2.4GHz and 5GHz wireless connectivity
Model: AX203NGW

Fiber Optic Wall Box 86mm for $12

Mon, 27 Jul 2026 23:36:55 -0400

A practical pick for home theater or lighting installations where you want a clean, wall-mounted termination point for fiber optic cables that fits a standard 86mm wall plate cutout. Buy Now at Newegg

Features

Standard 86mm fiber optic wall box
Durable ABS plastic construction
Integrated ventilation for equipment cooling
Simplified networking installation design