The Sharp R890EST is a 32 L Australian-market countertop microwave with microwave, grill and fan-forced convection cooking. Its feature set is versatile on paper, but the available product information does not establish how well it cooks in practice. The published dimensions also conflict between listings, and current stock is not confirmed—so verify fit, installation requirements and availability before buying.
What the Sharp R890EST offers
Sharp describes the R890EST as a stainless-steel inverter convection microwave. It combines microwave cooking with grill and convection modes, giving it more functions than a microwave-only model. That range may suit a kitchen where one appliance needs to handle reheating as well as grilling and baking, but the feature list alone is not evidence of cooking performance.
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Sharp’s specification sheet says its Smart Convection/Combi feature alternates microwave power and fan-forced convection heat. Sharp presents this as a way to cook faster while producing a crisp, browned finish; that is a manufacturer-described benefit, not an independently verified result. The sheet also lists automatic menus for reheating, cooking, defrosting, melting or softening, and baking.
| Specification | Published value |
|---|---|
| Capacity | 32 L |
| Microwave output | 1100 W |
| Convection power | 2100 W |
| Grill power | 1100 W |
| Power levels | 11 |
| Automatic menus | 28 |
| Turntable diameter | 315 mm |
Sharp’s Australian product information also lists a Favourite key, child lock and four-stage sequence cooking. The R890EST product page and R890E specification sheet provide the manufacturer’s feature details.
#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.
Is the R890EST a good microwave?
It looks capable on paper if you want a single countertop appliance with microwave, grill and convection functions. The available evidence does not include independent cooking tests, so it cannot establish heating evenness, baking results, ease of use in practice or long-term reliability. Treat the stated modes and power figures as specifications, not a performance verdict.
Owner feedback is mixed in a small, self-selected sample. On a page snapshot accessed 7 October 2026, ProductReview.com.au displayed a 2.1 rating from 17 reviews and labelled the model discontinued. That is a changeable platform figure, not a representative reliability study; individual complaints do not establish how often a fault occurs. See the R890EST owner-review page for the platform’s current presentation.
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.
Dimensions: verify before you make space
The published exterior dimensions do not match. Sharp’s Australian product page gives 520 × 312 × 477 mm, while Appliances Online lists 520 × 315 × 510 mm. Both are external measurements as presented by their respective listings; do not assume one can be substituted for the other.
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Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteBefore purchase or installation, check the manual and installation instructions supplied with the specific unit, measure the intended space, and allow the required ventilation clearances. The disagreement matters especially for a cupboard installation, where a small difference in depth or height can affect fit. The Appliances Online listing also states a one-year warranty; confirm applicable warranty terms with the seller for the unit being considered.
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 is needed for a built-in installation?
The R890EST is freestanding by default. For cupboard installation using a trim kit, Appliances Online says both the EBR39ST trim kit and EBR89ST vent kit are needed. Sharp confirms EBR39ST compatibility with the R890EST and notes that the microwave is not included with the trim kit. Sharp also says the EBR89ST vent kit is mandatory for R890E-series convection microwaves used with a trim kit.
- EBR39ST trim kit: Sharp lists it as compatible with the R890EST; the microwave is sold separately.
- EBR89ST vent kit: Sharp identifies it as mandatory when this convection microwave is used with a trim kit.
Confirm the exact components and installation clearances before ordering. A trim kit does not by itself establish that a particular cabinet opening is suitable.
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
Manual, power supply and care
The R890EST operation manual covers microwave, convection, combi, multi-sequence and automatic-menu operation, as well as cleaning, care and service-call checks. For its Australian/New Zealand model family, it specifies 230–240 V, 50 Hz. Follow the manual supplied with your unit and confirm local electrical requirements rather than assuming those specifications apply in every market.
Availability and who should consider it
Current availability is not established by the product pages cited here. The ProductReview.com.au page labels the model discontinued, while a retailer listing with product details does not prove that stock is currently available. Check with the seller for live inventory and pricing if you are considering one.
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.
The R890EST is most relevant to shoppers who specifically want microwave, grill and convection functions in one countertop appliance, or who are assessing used stock. Before committing, confirm the unit’s condition, included accessories, warranty coverage, dimensions and—if building it in—the compatible trim and vent kits. The available evidence supports an assessment of its features and fit considerations, not a claim that it outperforms other models.
Quick Recap
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.
