MSI GS66 Stealth 10SE-442 15.6″ 240Hz 3ms Ultra Thin and Light Gaming Laptop Intel Core i7 with Full Detail

MSI GS66 Stealth
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The MSI GS65 Stealth was one of our favourite gaming laptops last year, a stylish

thin-and-light premium machine at a fair price. The new GS66 Stealth (starts at

$1,499; $2,699 as tested) is a sturdier build with more power, but it loses some of

the sleekness and individual flair of its predecessor. Inside, the brand-new Nvidia

GeForce RTX 2080 Super (Max-Q) GPU and Intel Core i7-10750H processor power

the GS66 to super-high frame rates, shown on a blazing 300Hz display. But

considering the expectations established by our test unit’s price and parts, it

doesn’t quite blow away the opponent between our review and plan nitpicks,

the Asus ROG Zephyrus S GX502 lives our high-end gaming Editors’ Choice. We’ll

wait to see other methods with these ornate new components before maybe picking a new ideal.

  • USB 3.2 Gen2 *3 | Thunderbolt 3*1 PD charge ; USB-C USB3.2 *1
  • Steel Series per-Key RGB with Anti-Ghost key (84 Key) | Silky Glass Touchpad | Dynaudio Speakers 2W*2
  • 15.6″ FHD, Anti-Glare Wide View Angle 240Hz 3ms | NVIDIA GeForce RTX2060 6G GDDR6 VR Ready
  • Intel Core i7-10875H 2.3 – 5.1GHz | Intel Wi-Fi 6 AX201(2*2 ax)
  • 16GB (8G*2) DDR4 3200MHz | 2 Sockets; Max Memory 64GB | 512GB NVMe SSD

Price: $1,400.55

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Laptop ClassGaming
ProcessorIntel Core i7-10750H
Processor Speed2.6 GHz
RAM (as Tested)32 GB
Boot Drive TypeSSD
Boot Drive Capacity (as Tested)512 GB
Screen Size15.6 inches
Native Display Resolution1920 by 1080
Operating SystemWindows 10 Pro
CPU ManufacturerIntel
Screen Size15.6 Inches
Computer Memory Size16 GB
Display15.6”, Full HD (1920 x 1080), 144 Hz, IPS
Battery99.9Wh, 4-cell
KeyboardLED Backlight
Body MaterialAluminum
Dimensions359.9 x 245.1 x 18 mm (14.17″ x 9.65″ x 0.71″)
Weight2.10 kg (4.6 lbs)
Touch ScreenNo
Panel TechnologyIPS
Variable Refresh SupportNone
Screen Refresh Rate300 Hz
Chipset BrandNVIDIA
Hard Drive InterfaceUSB-C


  • Responsive touchpad, Thunderbolt 3, and Wi-Fi 6 support
  • Takes up to 64GB of DDR4 memory and has two M.2 slots
  • The display is PWM-free above 25% brightness (and the frequency of the flickers is high enough below that) (Sharp LQ156M1JW03)
  • 240Hz refresh rate and quick pixel response times (Sharp LQ156M1JW03)
  • 95% sRGB coverage and great colour accuracy + a lot of customisation options with the added software (Sharp LQ156M1JW03)
  • Capable hardware inside of a thin, relatively light, and well-built chassis
  • IR face recognition system on board


  • Lacks an SD card reader
  • The laptop gets pretty hot on the surface during gaming
  • The keyboard is a bit underwhelming, despite its Per-Key RGB backlight

A Sturdier, But Plainer, Look

As stated, the build of the GS66 Stealth is markedly distinct from the GS65.

At a glance, the two look the same, but they diverge in size, feel, and colour

scheme. Starting with the aesthetics, MSI opted for an all-black look here,

leaving the gold accents on the lid, vents, and touchpad. I personally liked

the gold scheme, as it looked sharp and stood out from others, but I suppose

this sandblasted “Core Black” look has a wider appeal and can blend in more

professional settings. On the black aluminum deck, there’s a dotted pattern

up top for air intake above the keyboard. The keys are RGB-lit on a per-key

basis, which you can customise in the SteelSeries 3 software. There’s also a

large touchpad flanked on each side by slits for top-firing speakers. Notably,

there’s no fingerprint reader or IR camera on the device, so be prepared to type your passwords.

Physically, the build is a lot sturdier this time around, and just slightly thicker.

After an industry-wide obsession with thinness, we’ve seen multiple

manufacturers pull back lightly, at least on gaming laptops. Vendors have

seemed to realize that the performance and feature gains provided by an

extra tenth of an inch or so outweigh the advantages of a gradually thinner design

Sharper In Core Black

Now with matte black and a low-profile design, the all-new GS66 Stealth stays

true to its name. Reinforced with a black metal chassis, the GS66 is perfected

for daily travel uses. Stay Stealth at the office and at home. 

Matrix Display

Multi-task with up to 3 Monitors

Expand your vision across multiple displays with HDMI and Thunderbolt

3 or enjoy up to 8K resolution output via Thunderbolt 3 for some extra

productivity and fun.

SteelSeries RGB Keyboard

Users now have the ability to backup, share, and sync your configuration

profiles through the SteelSeries CloudSync across all your platforms. Simply

log in with your SteelSeries ID and all your configurations will be available

whenever you are. A SteelSeries RGB keyboard lets users customise its appearance

and enables them to type in dimly-lit environments.

Per-key RGB Gaming Keyboard By Steelseries
Customise each key to your liking and receive real-time in-game status

through keyboard lighting, or even watch the lights dance to your favourite tune!

• Up-to 300Hz FHD Display.
• 4.9mm Thin bezels.
• 84 % Screen-Ratio.

Expendability & Flexibility

Expandable SSD and memory slots are available for future upgrade.

Tuned to Perfection

Experience superior sound with due wave speaker. Feel the power of sound

and experience a whole new level of audio excellence with MSI’s newly front

-firing Duo Wave Speaker in world-class Dynaudio sound system. The

passive radiator technology generates a sonorous bass and clean, crisp

sound. The front-firing design provides a punchier and more accurate sound,

enjoy the ultimate auditory sensation.


Thunderbolt 3 is a hardware interface that utilises the reversible USB Type-C

connector. Doubling the speed of its predecessor, Thunderbolt 3 features a

maximum throughput of 40 Gb/s when used with compatible devices. The

connector also sends data via USB 3.1 at up to 10 Gb/s, and dual-bandwidth

DisplayPort 1.2 allows you to connect up to two 4K displays simultaneously.

Additionally, you can daisy chain up to six devices from a single Thunderbolt 3 port.

Stay Cool, Stay Powerful

MSI’s exclusive Cooler Boost Technology ensures optimal thermal dissipation.

With the world’s thinnest 0.1 mm sharp-edged fan blade design, the new

Cooler Boost Trinity+ enhances the fan airflow and provides the best gaming

experience. Almost half of the bottom cover of MSI GS66 Stealth is covered

with densely packed small holes, which serve to ensure heat dissipation. The

bottom cover of MSI GS66 Stealth is made of metal, which can minimise the

thickness while ensuring the stability of the fuselage structure.

In order to remove the bottom cover, we need to remove all the screws that

fix the bottom cover. It is worth noting that there is a screw covered with

MSI’s fragile label. If the fragile label is damaged, it means you will lose the

warranty. So during the laptop warranty period, it is not recommended that

you upgrade the memory and SSD yourself.

After removing the bottom cover, let’s take a look at the inside of MSI GS66.

Its cooling system has three fans and seven copper pipes, which can ensure

the stable operation of MSI GS66 at high power, and the thinner body is not

prone to overheating. All the memory, solid state drives, etc. are covered

with black thermal pads, which play a role in heat dissipation.

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