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1Repair Windows errors before they cause bigger problems2Fix the driver behind crashes, sound loss and screen glitches3Clear out junk files and repair common Windows errorsOn September 6, 2026, Notebookcheck reported that Amazon listed Casio’s silver-dial Edifice EFB-730D-7AV for $98.97, down from $118.66 two days earlier. The report, citing Keepa price history, called it the listing’s lowest price to date. Those are dated figures—not a confirmed live offer—so check Amazon for the exact model, seller, price, and stock before buying.
What the reported price history says
Notebookcheck’s September 6, 2026 report put the Amazon listing for the EFB-730D-7AV at $98.97, compared with $118.66 two days earlier. It attributed the listing-history figures to Keepa and described the price as a low to date.
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| Figure | What it represents | Qualification |
|---|---|---|
| $98.97 | Reported Amazon listing price | Notebookcheck, September 6, 2026; historical, not a confirmed current price. |
| $118.66 | Reported listing price two days earlier | Notebookcheck, September 4, 2026. |
| $118.25 | Reported 90-day average | Notebookcheck’s figure attributed to Keepa; not independently verified against Keepa. |
| $123.43 | Reported 180-day average | Notebookcheck’s figure attributed to Keepa; not independently verified against Keepa. |
Notebookcheck characterized the price history as showing a drop roughly every three months. That is a summary of the listing history reported in the article, not a promise that another discount will arrive on a schedule. The report does not establish that $98.97 is still available on October 12, 2026.
The Tool Desk
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The deal report names the EFB-730D-7AV, the silver-dial version in Casio’s EFB-730D family. Confirm the complete model number on any listing: similar-looking dial variants are not necessarily the same model. Casio’s official EFB-730D-7AV specifications list a stainless-steel case and solid stainless-steel bracelet with a one-touch three-fold clasp, plus a sapphire crystal.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
What the specifications mean in daily use
Case size and weight
Casio lists dimensions of 47 × 40 × 11 mm and a weight of 136 g. The 47 mm figure is the watch’s length, while the 40 mm figure is its width; together with the listed weight, these give a more useful sense of wrist presence than the dial color alone.
Water resistance
The listed rating is 100 m (10 bar). This is the manufacturer’s water-resistance specification; follow Casio’s guidance for use and care rather than treating a depth rating as a recommendation for every water activity.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
Chronograph and date
The analog stopwatch measures in one-second increments up to 59 minutes 59 seconds. Casio lists elapsed-time, split-time, and first- and second-place timing modes. The watch also displays the date.
Battery and timekeeping
Casio specifies an SR920SW battery with an approximate three-year life and accuracy of ±20 seconds per month. Battery life is an estimate, not a guaranteed replacement interval; actual performance can vary with use and conditions.
Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
What to check before buying
- Open the Amazon listing and confirm the model number is EFB-730D-7AV, not another EFB-730D dial variant.
- Check the live price, seller, and stock status. The $98.97 price was reported on September 6, 2026, and is not verified as current.
- If you are judging the discount against historical pricing, treat Notebookcheck’s Keepa-attributed averages and low-price claim as reported history rather than a direct Keepa verification.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
