Best Ultrabook 2020 - The Ultimate Guide

Are you looking for the best ultrabook?

If you are looking to splurge a heavy budget on a laptop that can what most of the entry level or regular laptops can’t do, then you have come to the right place.

In this article, we have taken the pain of helping you sift through dozens of ultrabooks that are on the market, and we came up with the best 10 that we could find.

There are certain things that you need to know or equip yourself with before shopping for an ultrabook.

It is important to know the key features to look out for such as battery life, screen size, processor and processor speed, and many more.

What is an Ultrabook?

An ultrabook is the term used to describe top-end laptops that are equipped with premium and the latest cutting-edge technology -processors , storage and RAM components, all fitted into a lightweight super thin device.

Ultrabooks display a very high performance and usually attractive looking and sophisticated.

Who Needs an Ultrabook?

Anybody who can use or operate a computer can obviously use an Ultrabook, however whether or not an Ultrabook is important for you all depends on your needs.

If all you intend to do with your laptop is to keep up with emails and use Microsoft office from time to time then Ultrabook’s are not for you.

But if you need a higher processing power from a laptop coupled with a portable design, and it can also handle heavy applications without freezing up, then an

Ultrabook is ideal for you.

Are Ultrabooks Expensive?

The quick answer to this is Yes! When you consider the number of advanced technology that goes into an Ultrabook, it makes sense why they are more expensive than your regular laptops.

You are getting the best manufacturing in Ultrabooks. Features such as screen resolution and processor will definitely have an impact on their prices.

You can expect to pay a lot more for an Ultrabook with a 4K display and a Core i7 processor.

What Factors Should I Consider?

While it all boils down to your day to day need for an Ultrabook, it is also very important to ensure that the components are up to date.

If you are going to run very heavy programs or multiple programs then you might want to consider an Ultrabook with a Core i7 processor.

Other factors such as screen size a solely based on your taste.

Battery performance is another factor to keep an eye out for.

You want to be sure that you can use your Ultrabook for several hours before needing to plug it in to charge.

Model	Processor	Processor Form	Form Factor	Display Size	Read Full Review	Score
Lenovo YOGA 920	Core i5	1.6GHz	Convertible	13.9 inches	Read Full Review	10.0
Razer Blade Stealth	Core i7	1.8GHz	Notebook	13.3 inches	Read Full Review	8.6
Microsoft Surface Book 2	Core i7	1.9GHz	Detachable	13.5 inches	Read Full Review	7.8
Huawei Matebook X PRO	Core i7	1.8GHz	Notebook	13.9 inches	Read Full Review	7.8
HP Spectre x360	Core i7	1.8GHz	Convertible Notebook	13.3 inches	Read Full Review	7.4
ASUS ZenBook 3 Deluxe	Core i5	1.8GHz	Notebook	14 inches	Read Full Review	7.2
Microsoft Surface Laptop	Core i7	3.1GHz	Notebook	13.5 inches	Read Full Review	6.4
Dell XPS 15	Core i7	2.8GHz	Notebook	15 inches	Read Full Review	6.2
Dell XPS 13	Core i5	1.80GHz	Notebook	13 inches	Read Full Review	6.2
ASUS ZenBook UX430	Core i7	1.8GHz	Notebook	14 inches	Read Full Review	6.2

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Lenovo YOGA 920 Review

Performance meets style is the best way to describe the YOGA 920, a head turning mobile computer that offers a world-class performance and features.

The YOGA 920 is sleek and designed with great detail, everything about this ultrabook from it’s frame to its hinges design and screen screams elegance.

The 13.9 inch Full HD boasts of incredible speeds and a 4K display, ypunalsp get the optional digital pen, which has a very high pin point

accuracy.

Lenovo YOGA 920 Features

The Yoga 920 features an intricate watchband hinge which rotates smoothly and provides the perfect resistance for whichever work mode you prefer.
Features intel’s 8^th Gen Core i5-8250U processor, 6M Cache, and a Base Frequency 1.60 GHz, up to 3.40 GHz.
It has an Internal Memory: 8G DDR4 2400 ONBOARD RAM
Equipped with a 13.9″ FHD (1920 x 1080) IPS SCREEN
It comes with Windows 10 Home 64 operating system.

Positives

Extremely functional and stable design
Digital pen included
Versatile design
Fantastic battery life and performance

Negatives

Lacks a memory card slot

Lenovo YOGA 920 Product Details

Brand name: Lenovo
Item Weight: 1.5 Kg
Product Dimensions: 20 x 30 x 2 cm
Batteries: 1 Lithium ion batteries required. (included)
Item model number: 80Y7002NUK
Color: Bronze
Form Factor: Notebook
Screen Size: 35.3 centimetres
Screen Resolution: 1920 x 1080 pixels
Maximum Display Resolution 1920 x 1080 pixels
Processor Brand: Intel
Processor Type: Core i5
Processor Speed: 1.6 GHz
Processor Count: 4
RAM Size: 8 GB
Computer Memory Type: DDR4 SDRAM
Hard Drive Size: 256 GB
Hard Disk Technology: SDD
Number of USB 3.0 Ports: 3

Lenovo YOGA 920 Conclusion

If you are looking for a very stable and sturdy ultrabook with style and a perfoamce worthy of note, the YOGA 920 should match your expectations.

Check Price For Lenovo YOGA 920 On Amazon

Razer Blade Stealth Review

Razer was once only regarded as a gaming laptop, a misconception the brand has had to deal with, but all that is all being challenged by Razers new 13.3 inch Blade Stealth QHD+.

This ultrabook promises a high performance in a very thin frame.

The Blade Stealth packs some of the best computing technology under its frame such as intels 8^th generation core i7 processor, which delivers a 1.8 GHz processing power and turbo speed of up to 4.0 GHz.

Razer Blade Stealth Features

The 13.3 Inch Razer blade stealth is available in a black or gunmetal grey finish.
Experience colour saturation with the QHD+ 3200 x 1800 touch enabled display; images are bright and clearly visible with wide viewing angles of up to 178 degree.
The 8th generation Intel Core i7-8550U processor gives the Razer blade stealth 1.8 GHz of processing power and turbo boost speeds up to 4.0 GHz.
Every Razer blade stealth is CNC-milled from a single block of aircraft-grade aluminium for maximum durability and a sleek, beautiful form; web camera – 720 P camera.

Positives

Attractive gunmetal grey finish
Turbo speeds up 4.0 GHz
Lightweight and excellent build quality

Negatives

The battery life is not impressive

Razer Blade Stealth Product Details

Brand name: Razer
Item Weight: 1.35 Kg
Product Dimensions: 20.6 x 32.1 x 1.4 cm
Batteries:: 1 Lithium ion batteries required. (included)
Series: Blade Stealth
Color: Black
Form Factor: Ultrabook
Screen Size: 13.3 centimetres
Screen Resolution: 3200 x 1800
Maximum Display Resolution: 3200 x 1800
Processor Brand: Intel
Processor Type: Core i7
Processor Speed: 1800 MHz
Processor Count: 4
RAM Size: 16 GB
Hard Drive Size: 256 GB
Hard Disk Technology: SDD

Razer Blade Stealth Conclusion

When it comes to overall quality, the Blade Stealth is quite impressive, but its battery life is not one of its high points. It is a decent 13.3 inch ultrabook with a very slim frame.

Check Price For Razer Blade Stealth On Amazon

Microsoft Surface Book 2 Review

The Microsoft Surface 2 is a design masterpiece that stands out out of the pack, it is feature packed and boasts of a very high performance.

The Surface 2 retains some of the design qualities of the first Surface ultrabook that took the world by storm – the Surface 2 is basically an upgrade.

The quad-core brings the Surface’s performance to a whole new level, giving users the best experience with the Windows 10 operating system.

Microsoft Surface Book 2 Features

The Surface 2 comes with a better performing battery that can last up to 17 hours.
It runs professional grade software with the enhanced quad core Intel processors and NVIDIA GeForce GPUs.
The Surface Book 2 can be used as a tablet, it can be detached from its keyboard, and adapted to your how you work.
Vibrant PixelSense display and USB C port.
Crafted with premium, lightweight materials.
Surface Book 2 runs Windows 10 Pro and Microsoft Office flawlessly.

Positives

Detachable keyboard
17 hours battery life
High performing quad core processors
Exceptional build quality

Negatives

It does get hot to the touch

Microsoft Surface Book 2 Product Details

Brand name: Microsoft
Item Weight: 1.53 Kg
Product Dimensions: 31.2 x 23.2 x 2.3 cm
Batteries:: 1 Lithium ion batteries required. (included)
Series: Surface BOOK 2
Color: Silver
Form Factor: Detachable Notebook
Screen Size: 34.29 cm
Processor Brand: Intel
Processor Type: Core i7
Processor Speed: 1900 MHz
Processor Count: 4
RAM Size: 8 GB
Computer Memory Type: GDDR5
Hard Drive Size: 256 GB
Hard Disk Technology: SDD
Hard Drive Interface: Solid State
Graphics Chipset Brand: NVIDIA
Graphics Card Description: Nvidia GeForce graphics GTX 1050
Graphics RAM Type: GDDR5
Graphics Card Ram Size: 2
Hardware Platform: Windows
Operating System: Windows 10 Pro
Supported Software: Microsoft Office 365
Average Battery Life (in hours): 17 hours

Microsoft Surface Book 2 Conclusion

The Surface 2 is definitely a beautifully designed ultrabook with a lot of features.

It is one of the more expensive ultrabooks out there, but it is definitely worth every penny.

Check Price For Microsoft Surface Book 2 On Amazon

Huawei Matebook X PRO Review

The Huawei Matebook is the ideal ultrabook that comes with high end components and a beautiful design.

The Matebook competes directly with Apples Macbook Pro in performance and design, and is set up to be one

of the contenders for the best ultrabooks of 2018.

The Matebooks most outstanding feature is its design and crystal clear display, boasting of the worlds first full view display with up to 91% screen-to-body ratio, which is indeed one of the highest in on the market.

It’s 3k touch screen display features multi-touch capability encased in a 14.6mm metallic body.

Huawei Matebook X PRO Features

Features the world’s First Full View Display with 91% screen-to-body ratio.
3K Touchscreen – 3000 × 2000 resolution features a Multi-touch screen.
Ultra-slim sleek design with elegant 14.6mm metallic body.
Up to 8th Gen Intel Quad Core U Series, 40% faster than the 7^th.
Fingerprint-ready power button to login the system within 7.8s.

Positives

Fantastic performance
Beautifully designed
Premium and durable metallic casing
Crystal clear display

Negatives

Users complained of accidentally touching the trackpad while typing

Huawei Matebook X PRO Product Details

Brand name: Huawei
Item Weight: 1.33 Kg
Batteries:: 1 Lithium Polymer batteries required. (included)
Item model number: 53010DDE
Series: Matebook X PRO
Color: Grey
Form Factor: Laptop
Screen Size: 35.3 centimetres
Screen Resolution: 3000 x 2000 pixels
Processor Brand: Intel®
Processor Speed: 1.8 GHz
Processor Count: 4
RAM Size: 8 GB
Hard Drive Size: 512 GB
Hard Disk Technology: SDD
Graphics Coprocessor: NVIDIA
Graphics Card Description: Geforce MX150
Graphics RAM Type: DDR3 SDRAM
Graphics Card Ram Size: 8

Huawei Matebook X PRO Conclusion

If you are looking for the ultrabook with one of the best designs, the Matebook is the one to consider.

Check Price For Huawei Matebook X PRO On Amazon

HP Spectre x360 Review

The HP Specter x360 is attempt to create an ultrabook that checks every box, but does it really achieve that?

From a design perspective it is indeed gorgeous, featuring a 360 design that lets you convert it to tablet mode, a design that some may not necessarily be a fan of.

The Spectre x360 comes with an 8^th Gen intel Core i7 quad core processor so you can expect a cutting-edge performance from this machine.

It is fitted with a 13 inch borderless display with 4k micro-edge touch display, and high quality speakers courtesy Bang and Olufsen.

The Spectre x360 is definitely an ultrabook for for work and entertainment.

HP Spectre x360 Features

Get a full day of work with up to 16 hours of battery life with Fast Charge
8th Gen Intel Core i7 Quad Core processor for cutting-edge performance.
Features four unique modes and a digital pen for natural note-taking.
A nearly borderless 33.8 cm (13.3″) diagonal, 4K micro-edge touch display with Corning Gorilla Glass NBT.
Features expert-tuned quad speakers by Bang and Olufsen , which deliver a rich entertainment experience.
Innovatively engineered to rotate 360º so that you can use your device in four modes.

Positives

Fantastic speakers with rich audio quality
Includes a stylus
It is a good-looking laptop

Negatives

The hinges become weaker with time

HP Spectre x360 Product Details

Brand name: HP
Item Weight 1.29 Kg
Product Dimensions 30.6 x 21.8 x 1.4 cm
Series: 13-ae005na
Color: Dark Ash Silver
Form Factor: Convertible Notebook
Screen Size: 33.8 centimetres
Screen Resolution: 3840 x 2160
Processor Brand: Intel
Processor Type: Core i7
Processor Speed: 1.8 GHz
Processor Count: 4
RAM Size: 8 GB
Hard Drive Size: 512 GB
Hard Disk Technology: SDD
Graphics Chipset Brand: Intel
Graphics Card Description: Intel UHD Graphics 620
Connectivity Type: 802_11_ABGNAC
Wireless Type: 802.11 a/b/g/n/ac

HP Spectre x360 Conclusion

If you are a huge fan of convertible laptops, then the Spectre x360 is a good option.

However, it falls short due to some design flaws such as its hinges.

But you also get to enjoy a good quality sound with its Bang and Olufsen speakers.

Check Price For HP Spectre x360 On Amazon

ASUS ZenBook 3 Deluxe Review

This is another 14-inch ZenBook with Nano-Edge display and an exceptional build quality.

It’s a slight upgrade on the previous ZenBook that is suitable for the mobile computing era.

The Deluxe 3 features precision components that have been crafted and re-engineered to make the ZenBook

Deluxe 3 one of the most sophisticated ultrabooks on the market.

It is slimmer and lighter, a lot stronger and powerful than its predecessors.

It’s equipped with the powerful 8th-Generation Intel i5 Processor for a solid performance in its slim profile.

ASUS ZenBook 3 Deluxe Features

Powered by the powerful 8th-Generation Intel i5 Processor.
Fits a 14-inch Full HD display into a 13-inch frame, making the screen look a lot larger.
The ZenBook 3 is built with premium, aerospace-grade aluminum — it is lighter than the standard laptop alloy, but 50% stronger.
Fitted with an efficient battery and fast charging, which charges your battery up to 60% in under 49 minutes.
No Compromises Backlit Keyboard
ZenBook 3 features a full-size backlit keyboard that stretches from edge to edge, with just a 2.1mm bezel at each side.

Positives

Extremely thin and lightweight
Impressive anti glare screen with vibrant display
Fast charging
Premium aluminum frame

Negatives

Some customers have complained about poor aftercare services

ASUS ZenBook 3 Deluxe Product Details

Brand name ASUS
Item Weight 1.1 Kg
Product Dimensions 21.4 x 32.9 x 1.3 cm
Batteries: 1 Lithium ion batteries required. (included)
Item model number UX490UAR-BE094T
Series Zenbook 3 Deluxe UX490UAR-BE094T
Color Royal Blue
Form Factor Notebook
Screen Size 14 centimetres
Screen Resolution 1920 x 1080 pixels
Maximum Display Resolution 1920 x 1080 pixels
Processor Brand Intel
Processor Type: Core i5
Processor Speed: 1.6 GHz
Processor Count: 4
RAM Size: 8 GB
Computer Memory Type: DDR3 SDRAM
Hard Drive Size: 256 GB
Hard Disk Technology: SDD
Graphics Card Description: UHD GRAPH. 620
Number of USB 3.0 Ports: 3
Optical Drive Type: None

ASUS ZenBook 3 Deluxe Conclusion

The ZenBook Deluxe 3 is one of the thinnest 14 inch ultrabook on the market.

It is loaded with premix components designed to enhance its laptop.

If style is a key factor for you, then you should consider this one.

Check Price For ASUS ZenBook 3 Deluxe On Amazon

Microsoft Surface Laptop Review

The Surface Laptop is Microsofts attempt at dethroning Apples Macbook, and also to offer a more affordable ultrabook that is extremely attractive and brilliant.

The Surface Laptop is basically a none detachable version of the Surface series.

The Surface Laptop features an aluminum casing that contributes to its beauty and durability.

It comes with intels Core i5- i7 processor with dual cores and 2.5GHz base frequency with turbo speeds up to 3.1GHz in the core i7 version.

Microsoft boasts that the Surface Laptop comes with a large battery that can last up to 14.5 hours of video playback.

Microsoft Surface Laptop Features

It is powered by Intel’s 8^th Gen Core i5-i7 processor, which offers the best performance, and a processor speed of up to 3.1GHz
Designed for Windows 10 S
Backed by the best of Microsoft, including Windows and Office
Designed for Windows 10 S
Natural typing and trackpad experience
Ultra-thin and light
It comes with improved battery life; a 2256 x 1504 (201ppi) touchscreen with an edge-to-edge display and ultra-thin bezel
Natural typing and trackpad experience
Ultra-thin and light

Positives

Sleek ultra slim design
Impressive battery life
Great keyboard resistance and precise trackpad
Great value for money

Negatives

The windows 10s comes with restrictions.

Microsoft Surface Laptop Product Details

Brand name: Microsoft
Item Weight: 1.25 Kg
Product Dimensions: 22.3 x 30.8 x 1.4 cm
Batteries:: 1 Lithium Polymer batteries required. (included)
Item model number: DAJ-00003
Color: Platinum
Screen Size: 13.5 inches
Screen Resolution: 2256 x 1504
Processor Brand: Intel
Processor Type: Core i7
Processor Speed: 3.1 GHz
Processor Count: 7
RAM Size: 8 GB
Computer Memory Type: DDR3 SDRAM
Hard Disk Technology: SDD
Graphics Chipset Brand: Intel
Graphics Card Description: Intel Iris Plus Graphics 640
Connectivity Type: 802_11_ABGN
Wireless Type: 802.11 a/b/g/n

Microsoft Surface Laptop Conclusion

Microsoft definitely scored a good one with the Surface Laptop, it may not be the moat affordable but it is not outrageously priced.

It is a well-made laptop with impressive features and ports.

Check Price For Microsoft Surface Laptop On Amazon

Dell XPS 15 Review

Dell’s XPS series has some of the best computers in terms of performance and design.

If you are looking for an ultrabook with a standard 15 inches screen, then you might want to consider the XPS 15.

However, this ultrabook is not the most affordable out there, but it is capable of handling any task.

It comes with intel’s 8^th generation chip and a 4GB NVIDIA Geforce GTX graphics card.

Dell XPS 15 Features

Features the latest Intel Core i7 processors, the XPS 15 has the power to blaze through your most intensive tasks.
World’s smallest 15.6-inch (38.1 cm) laptop packs powerhouse performance and a stunning Infinity Edge display.
Equipped with 4 GB NVIDIA GeForce GTX 1050M graphics card for enhanced and speedy performance.
Features a borderless display which maximizes screen space by accommodating a 15.6-inch display.
It is Lightweight but sturdy, designed with analuminum and carbon fiber body for maximum durability.
Starting at under 4 lbs and a slim 17mm, the XPS 15 is comfortable to carry with you on the go at a moment’s notice.

Positives

Fantastic display quality
Large screen
Impressive processor speed
It is well made and durable

Negatives

It is quite expensive

Dell XPS 15 Product Details

Brand name: Dell
Item Weight: 1.8 Kg
Product Dimensions 23.5 x 35.7 x 1.7 cm
Series: XPS 15 9560
Color: Silver
Form Factor: Notebook
Screen Size: 39.6 centimetres
Screen Resolution: 1920 x 1080
Maximum Display Resolution: 1080p Full HD
Processor Type: Core i7
Processor Speed: 2800 MHz
RAM Size: 16 GB
Computer Memory Type: DDR4 SDRAM
Hard Drive Size: 512 GB
Hard Disk Technology : SSD
Graphics Card Description: NVIDIA GeForce GTX 1050
Graphics RAM Type: GDDR5

Dell XPS 15 Conclusion

If you are looking for a powerful ultrabook and you have a loose budget, then the XPS 15 is for you.

It comes with virtually every feature that an ultrabook should have coupled with a fantastic design.

Check Price For Dell XPS 15 On Amazon

Dell XPS 13 Review

The XPS 13 is a popular ultrabook, and it can be said to be the most popular in the XPS series.

It is packed with all the trademark features of Dell’s XPS series as well as a portable design that let’s you take anywhere you want.

The XPS 13 is fitted with intels 7^th Generation core i5 processor, a 13 inch HD touchscreen display with 10-finger multi-touch support.

Other key specs include an 8GB DDR3 RAM, 128GB SSD and many more.

Dell XPS 13 Features

Powered by 7th Gen Intel Core i5-7200U mobile processor, 13.3 in Full HD InfinityEdge anti-glare touchscreen with Corning Gorilla Glass NBT (1920 x 1080), 10-finger multi-touch support
8GB DDR3 RAM, 128GB SSD for fast start-up and business use.
Integrated Intel HD Graphics 620 for outstanding gaming and streaming video.
720p HD webcam with wide, quad array digital microphones, 1 Thunderbolt 3 (2 lanes of PCI Express Gen 3) 2 USB 3.0 (1 with PowerShare) 1 headset jack Headphone output/Microphone input LAN (10/100/1000)
Integrated Bluetooth 4.0 technology. Pre-installed Window 10 Home, Full American English Keyboard.

Positives

Lightweight and easy to take with you anywhere
Fantastic battery performance
Excellent display

Negatives

Some complaints about the keyboard

Dell XPS 13 Product Details

Brand name: Dell
Item Weight: 2.45 Kg
Product Dimensions: 30.4 x 1.3 x 20 cm
Batteries:: Lithium Metal batteries required. (included)
Series: XPS9360-5797SLV-PUS
Color: i5 Processor
Screen Size: 13.3 inches
Processor Brand: Intel
Processor Type: Core i5
Processor Speed: 1.80 GHz
Processor Count: 1
RAM Size: 8 GB
Hard Drive Size: 128 GB
Hard Disk Technology: ssd

Dell XPS 13 Conclusion

If you are looking for a smart and compact ultrabook that you can throw in your bag and carry with you anywhere, the XPS 13 makes a good choice. It is fast and has a very brilliant display.

We recommend this ultrabook.

Check Price For Dell XPS 13 On Amazon

ASUS ZenBook UX430 Review

Another ultrabook that is fighting to steal some of the Macbooks customers is the Zenbook UX430.

Just like the award-winning Zenbook UX305, the UX430 is a continuation of the masterpiece that the Zenbook series is.

The UX430 is equipped with a 14-inch display, giving a perfect balance between portability and screen size.

It is lightweight, features the design characteristics of the Zenbook, and is packed with high performing components.

Running on intel 8^th generation core i7-8550U processor, the UX430 operates a processor speed of 1.8GHz with the capability to reach a whooping 4.0GHz.

ASUS ZenBook UX430 Features

It runs on Intel Core i7-8550U processor 1.8 GHz (8M Cache, up to 4.0 GHz)
It has an Internal Memory of 8 GB, DDR3L 1600 MHz SDRAM, and a Windows 10 operating system.
It is equipped with SATA3 256GB M.2 SSD, which makes it possible for the ultrabook to come in an ultra slim design.
14″ Screen in a 13.3″ bodyNano-Edge display with 80% Screen to Body ratio.
Fitted with a Backlit Keyboard for typing at night or in low light conditions.
A mere 15.9mm thin and weighing just 1.25KG, making it very portable and easy to transport.

Positives

It is relatively fast
Fantastic ultra slim and sleek design
80% screen to body ratio
Extremely lightweight

Negatives

Several customers complained about a lack of HDMI ports
Customers also complained about a very audible coil whine sound

ASUS ZenBook UX430 Product Details

Brand name: ASUS
Item Weight: 2 Kg
Product Dimensions: 22 x 35 x 2 cm
Batteries:: 1 Lithium ion batteries required. (included)
Series: Zenbook UX430UA-GV415T
Color: Blue
Form Factor: Notebook
Screen Size: 35.5 centimetres
Screen Resolution :1920×1080 Pixels
Processor Brand: Intel
Processor Type: Core i7
Processor Speed: 1.8 GHz
Processor Count: 4
RAM Size: 8 GB
Computer Memory Type: DDR3 SDRAM
Hard Drive Size: 256 GB
Hard Disk Technology: SDD
Graphics Card Description: UHD GRAPH. 620
Wireless Type: 802.11.b, 802.11.g, 802.11.n

ASUS ZenBook UX430 Conclusion

If you all about the appearance or design of an ultrabook, then you really should take a look at the Asus UX430.

The laptop is fitted with the necessary components which gives it a good performance level, but it does fall short with several complaints about

an audible coil whine sound it gives off when running.