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Before yesterdayDong Knows Tech

Ubiquiti UniFi Protect Review (vs. Synology Surveillance Station) and Guide: 2026’s Best Surveillance System for the Home

By: Dong Ngo
6 August 2026 at 21:30
The easiest step to improve home security is to install a camera surveillance system. There are many options on the market. However, most are cloud-connected and require a subscription fee — they are bad for your wallet and privacy, not to mention hindering your Internet bandwidth. That said, I’d always ...

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NAS Server, Explained: Redundancy (RAID) and Network-Attached Storage Basics

By: Dong Ngo
4 August 2026 at 21:31
If you have never heard of network-attached storage (NAS), this post is for you. Even if you already know about NAS, you’ll probably learn a thing or two. It’ll explain, in simple terms, the general NAS concept and its significance in data redundancy and safekeeping. For those who want to ...

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ASUS ROG USB-C10G, Unveiled: A Flexible Way to Add 10GbE Capability to Your USB-C Computer

By: Dong Ngo
3 August 2026 at 20:15
Here’s something to look forward to: ASUS today unveiled its first 10GbB USB-C adapter, the ROG USB-C10G. Generally, to get the best performance in home networking, you need the 10Gbps port grade on your devices, namely the router, switches, and, of course, your computer. While the 2.5Gbps port grade, the ...

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Guest Wi-Fi Network, Explained: How Device Isolation Works and Why It Has Little to Do with the Security of IoT Devices

By: Dong Ngo
3 August 2026 at 18:07
This post will explain the “Guest” notion in a Wi-Fi network and how to use that properly. To cut to the chase: A Guest Wi-Fi network is a special Internet-only SSID for short-term use. While it’s a handy feature, it’s not intended as a security measure, and using it for ...

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USB Power Delivery, Explained: The USB PD Power Outputs and General Tips on Getting a Charger or Power Bank

By: Dong Ngo
1 August 2026 at 18:40
By now, you might have been aware that USB-C is the universal port type for data connectivity. Here’s the thing: these ports are also used for power, both ways. You can use them to charge a connected device or power the host device itself. We have the USB Power Delivery ...

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UGREEN Nexode Pro Series, Unveiled: Smart USB PD Chargers with Helpful Displays

By: Dong Ngo
30 July 2026 at 13:00
Here’s some exciting news for those looking for an advanced yet simple hard charging station: the new Nexode Pro Series that UGREEN, the popular Chinese accessories and NAS maker, unveiled today. This new lineup is the continuation of the company’s Nexode Retractable chargers it introduced last year and includes two ...

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Sabrent Voltik 252W 8-PORT USB PD 3.0 Charger Quick Review: An Effective Home Charging Station

By: Dong Ngo
26 July 2026 at 16:51
If you find getting a fulfilling USB charging station for the entire family a daunting task, the Sabrent Voltik 252W 8-PORT USB PD 3.0 Charger (model AX-8PTC) might just be the answer. It’s straightforward and effective. Here’s the bottom line: With over 250W of power output and a practical design, ...

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These ASUS Routers with a Year-Long Free NordVPN Subscription. Here’s How to Redeem It!

By: Dong Ngo
23 July 2026 at 21:17
If you’re considering using your own home-made VPN server, ASUS routers are generally good options. However, do you know that most of them are also great if you want to hook your entire home network to a paid VPN service? If that piques your interest — and you don’t want ...

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Standard Non-Wi-Fi Router Is the Best for Optimal Wi-Fi: Three Reasons Why

By: Dong Ngo
21 July 2026 at 18:51
If you’re looking to buy a new router for your home today, chances are you’ll be offered a Wi-Fi router. This type of device has been so prevalent that the “Wi-Fi” notion is often presumed when you say “router”. But a non-Wi-Fi router — a standard router without a built-in ...

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TP-Link Launches Fusion Gateway Lineup to Boost Omada Ecosystem’s Viability with 2.5GbE Capability and More

By: Dong Ngo
20 July 2026 at 12:30
Here’s some great news for fans of the Omada Wi-Fi access points: TP-Link today announced the availability of its all-new Fusion Gateway family, with the Fusion 2.5G being the first to hit the market. From the look of it, the new gateways aim to compete with Ubiquiti’s UniFi ecosystem, which ...

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TP-Link Fusion 2.5G Gateway Review (vs. Ubiquiti UCG-Max): A Valuable and Practical Omada-Enabled Multi-Gig Non-Wi-Fi Router

By: Dong Ngo
20 July 2026 at 12:30
The Fusion 2.5G is an excellent addition to TP-Link’s Omada ecosystem. It represents TP-Link’s all-new Fusion Gateway lineup, officially launched on July 20, 2026, which simplifies hardware deployment by integrating an Omada hardware controller — similar to the OC300 — and a 2.5Gbps Multi-Gig router in a compact package. The ...

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Best ASUS Wi-Fi Routers and Mesh Systems: The Real-World Tested Top Fives

By: Dong Ngo
17 July 2026 at 22:00
ASUS is one of the most prolific networking vendors and has, over the years, released numerous models of standalone Wi-Fi routers and purpose-built mesh systems. This post includes the company’s top five in each category, along with their applicable alternatives. All of these devices delivered excellent performance during my evaluation ...

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Samsung SSD 990 Review (vs. 990 Evo Plus): New but Not Novel

By: Dong Ngo
14 July 2026 at 16:00
The Samsung SSD 990, announced and available on July 14, 2026, is a bit unanticipated. Before this, Samsung had already had a trio in the 990 family: the SSD 900 PRO, SSD 990 Evo, and SSD 990 Evo Plus. That’s not to mention the PCIe Gen 5 SSD 9100 Pro. ...

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Ubiquiti UniFi Cloud Gateway Backups and Migration: Tips on Keeping Your Network and UNVR Recordings Intact (When Possible)

By: Dong Ngo
11 July 2026 at 18:15
This post offers detailed tips on UniFi Cloud Gateway backups and migrations. It’s a supplement to my previous buying guide and will explain how to migrate from one UniFi “router” to another, such as when you want to upgrade the hardware or replace it with a better-suited option. UniFi Cloud ...

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Wi-Fi Router Swapping, Replacing, or Upgrading: Steps To Make New Hardware Work Seamlessly with Existing Devices

By: Dong Ngo
10 July 2026 at 21:09
If you have replaced a Wi-Fi router before, such as when you moved from an ISP-supplied gateway to a retail Wi-Fi router, you already know how tedious the process can be. Swapping one Wi-Fi router for another can be a pain if you have to reconnect existing Wi-Fi devices, especially ...

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Wi-Fi Router Replacement or Upgrade: When It’s the Right Time

By: Dong Ngo
9 July 2026 at 22:15
“Is it time to replace my Wi-Fi router? I’ve had it for a few years!” I receive questions like that regularly, especially from those who still use Wi-Fi 5. Since the introduction of Wi-Fi 7, folks have been worried about replacing their Wi-Fi routers, sometimes for the wrong reasons. They ...

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SANDISK Optimus GX 7100M Review (vs. Crucial P310): Tiny and Fast

By: Dong Ngo
3 July 2026 at 18:05
The SANDISK Optimus GX 7100M, unveiled during CES 2026 and recently made available, is the first internal NVMe SSD from Sandisk I’ve had my hands on since the company introduced its new “SANDISK Optimus” branding in January 2026, replacing Western Digital’s legacy WD Black and WD Blue series. Tip In ...

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Ubiquiti Releases UniFi Network 10.5 with Better PPPoE Support and More

By: Dong Ngo
25 June 2026 at 23:32
Ubiquiti today released UniFi Network 10.5, an incremental version for its many UniFi Cloud Gateways (a.k.a. “routers”). While the new release doesn’t have as many big improvements or features as the previous version, it has one thing that might be the game-changer for EU and Asian users: better support for ...

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