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MSI Stealth 16 AI+ B3WI-005US

MSIGaming laptop

Stealth 16 AI+ B3WI-005US

Released May 2026.9Reviewtomsguide.com/computing/gaming-laptops/msi-stealth-16-ai-plus-2026-reviewRead 5 October 2026Dated May 5, 2026 original review prose in Cheat sheet explicitly states the starting configuration is available at Best Buy. This proves actual US availability of the same 2026 Stealth 16 AI+ B3W family with 386H/RTX 5060/32 GB/1 TB/QHD+ 240 Hz OLED, not first shipment of selected 005US RTX 5080/2 TB. Month precision retained as earliest documented actual retail found after bounded checks. March China reports only forecast March 12, and a separate May 16 review still forecasts mid-to-late May. Those forecasts do not negate this explicit availability statement. Later Japanese June release evidence does not establish global first sale. No numerical 5060 review measurements are transferred. Last checked 15 October 2026.

Screen size
16in
Processor
Intel Core Ultra 9 386H
GPU
NVIDIA GeForce RTX 5080 Laptop GPU
Weight (published)
1.99kg

92 of 179 fields known.

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At a glance

Ports

  • 2 USB-A 3.2 Gen 2
  • 2 USB-C
  • HDMI 2.1
  • Ethernet (RJ45)
  • 3.5 mm audio
  • DC in

All specs

SourceCalculated

General

Series
Stealth 16 AI+1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Model numbers
B3WI-005US1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Original one-page US manufacturer specification identifies B3WI-005US. Retained stock configuration is 386H, RTX 5080, 32 GB from two 16 GB modules, one 2 TB drive, QHD+ 240 Hz OLED and Windows 11 Home. The footer document-generation date is not a retail date.7Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 2026Current normal-readable exact stock factory B3WI-005US with 386H/5080/32 GB/2 TB/Home is in stock. Custom upgraded 64 GB/Pro rows are excluded.8Retailer pagebestbuy.com/product/msi-stealth-16-ai-16-240hz-2-5k-oled-gaming-laptop-intel-core-ultra-9-386h-geforce-rtx-5080-32gb-memory-2tb-storage-charcoal-black/J3P7TXTXQCRead 5 October 2026Exact sold model B3WI-005US, Best Buy SKU 6670611. Current stock listing confirms selected CPU/GPU/RAM/storage identity independently.
GTIN / EAN
8241424560027Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 2026Exact product identity row publishes UPC 824142456002.
Announced
5 January 202610Press releasemsi.com/news/detail/At-CES-2026--MSI-unveiled-its-all-new-Prestige-series-for-business-and-productivity--along-with-the-latest-gaming-laptops-from-the-Raider--Stealth--and-Crosshair-series--all-featuring-brand-new-designs-147562Read 5 October 2026Original maker launch dateline is January 5, 2026, while hosting page says January 6. The body explicitly announces the redesigned Stealth 16 AI+ at CES. This is announcement evidence, separately from May documented retail.
Status
Available7Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 20268Retailer pagebestbuy.com/product/msi-stealth-16-ai-16-240hz-2-5k-oled-gaming-laptop-intel-core-ultra-9-386h-geforce-rtx-5080-32gb-memory-2tb-storage-charcoal-black/J3P7TXTXQCRead 5 October 2026
Predecessor
Not available
Successor
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Markets
US1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 20267Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 20268Retailer pagebestbuy.com/product/msi-stealth-16-ai-16-240hz-2-5k-oled-gaming-laptop-intel-core-ultra-9-386h-geforce-rtx-5080-32gb-memory-2tb-storage-charcoal-black/J3P7TXTXQCRead 5 October 2026
Colours
Charcoal Black1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Segment
Gaming3Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026
Form factor
Clamshell2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026

Chassis

Front and side, drawn to scale.

Dimensions
Width354Depth246Thickness (min)16.65Thickness (max)19.99mm(13.9 × 9.7 × 0.7 to 0.8 in)2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Printed page 2-15 gives 354 x 246 x 16.65–19.99 mm. These precise metric endpoints corroborate the rounded exact US sheet inch dimensions. Stored minimum and maximum describe body thickness.
Weight (published)
1.99kg(4.4 lb)2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Printed page 2-15 publishes 1.99 kg. Exact US sheet 4.39 lb is rounded corroboration. This is maker laptop mass, not a reviewer measurement or charger mass.
Lid material
Aluminium3Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026All-Aluminum Alloy Chassis explicitly applies to the complete B3W chassis, including the lid.
Bottom material
Aluminium3Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026Same complete all-aluminum alloy chassis claim supports the bottom.
Max hinge angle
Not available
MIL-STD-810 testing (claimed)
Not available

Display

Screen size
16in(40.6 cm)1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Native resolution
2560 × 1600px1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Pixel density
188.7ppi
Panel type
OLED1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Backlight
Not available
Dimming zones
Not available
Panel part number
Not available
Screen surface
Not available
Touchscreen
No8Retailer pagebestbuy.com/product/msi-stealth-16-ai-16-240hz-2-5k-oled-gaming-laptop-intel-core-ultra-9-386h-geforce-rtx-5080-32gb-memory-2tb-storage-charcoal-black/J3P7TXTXQCRead 5 October 2026Exact Highlights specification explicitly says Touch Screen: No. No pen-support absence is inferred from that field.
Stylus
Not available
Refresh rate modes
Width (px)Height (px)Maximum operating refresh (Hz)
25601600240
Source1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Native 2560 x 1600 OLED panel operating at 240 Hz. HDMI external-output timing is not a built-in display mode. No adaptive refresh protocol is stated.
Max refresh rate
240Hz
Adaptive sync
Not available
Gray-to-gray response time (claimed)
Not available
Native panel colour depth
Not available
Brightness (SDR, claimed)
Not available
Peak brightness (SDR outdoors, claimed)
Not available
Sustained brightness (HDR, claimed)
Not available
Peak brightness (HDR, claimed)
Not available
sRGB coverage (claimed)
Not available
DCI-P3 coverage (claimed)
100%1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Literal 100% DCI-P3 (Typical) maker gamut claim. Coverage-versus-volume method is not specified.
Adobe RGB coverage (claimed)
Not available
HDR certification
DisplayHDR True Black 6001Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Factory calibrated
Not available
Second display
Not available

Processor

Processor
Intel Core Ultra 9 386H1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Processor brand
Intel1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Core configuration
Core typeCountBase clock (GHz)Max clock (GHz)
Performance42.14.9
Efficiency81.63.7
Low-power efficiency41.63.5
Source6Maker product pageintel.com/content/www/us/en/products/sku/245529/intel-core-ultra-9-processor-386h-18m-cache-up-to-4-90-ghz/specifications.htmlRead 5 October 2026Intel exact 386H has four P cores at 2.1–4.9 GHz, eight E cores at 1.6–3.7 GHz and four LP E cores at 1.6–3.5 GHz, with 16 threads. Retail overview typo claiming eight LP E cores is excluded.
CPU cores
16
Cores labelled performance
4
Cores labelled efficiency
12
Threads
161Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 20266Maker product pageintel.com/content/www/us/en/products/sku/245529/intel-core-ultra-9-processor-386h-18m-cache-up-to-4-90-ghz/specifications.htmlRead 5 October 2026
Max boost clock
4.9GHz
L3 cache
18MB6Maker product pageintel.com/content/www/us/en/products/sku/245529/intel-core-ultra-9-processor-386h-18m-cache-up-to-4-90-ghz/specifications.htmlRead 5 October 202618 MB Intel Smart Cache, the last-level L3 cache. Generic 25 W base and 80 W turbo powers are not configured laptop limits.
Process
Not available
Sustained CPU power (configured)
Not available
Peak CPU power (configured)
Not available
Combined CPU and GPU power
175W3Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026Up to 175 W TOTAL POWER specifically for 386H with RTX 5080 16 GB in Apex mode on AC. Separate maker Stealth-series article explicitly defines this as combined CPU and GPU power.4Maker product pagefr.msi.com/blog/looking-for-a%20-thin-and-powerful-laptop-for-work-study-and-creativity-meet-the-msi-mtealth-seriesRead 5 October 2026Current original French-language manufacturer Stealth-series article explicitly defines up to 175 W as combined CPU plus GPU power under APEX mode in both Stealth 16 AI+ paragraph and bullet list. Current exact US maker overview binds that budget to 386H/RTX 5080, avoiding whole-system or adapter confusion. This replaces the region rendering that did not consistently expose the budget paragraph.
NPU performance
50TOPS1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Up to 50 NPU-only TOPS, excluding the separate 1334 GPU AI TOPS.6Maker product pageintel.com/content/www/us/en/products/sku/245529/intel-core-ultra-9-processor-386h-18m-cache-up-to-4-90-ghz/specifications.htmlRead 5 October 2026Intel NPU-only peak INT8 performance is 50 TOPS.

Graphics

Discrete GPU
Yes1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
GPU
NVIDIA GeForce RTX 5080 Laptop GPU1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
GPU brand
NVIDIA1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
VRAM
16GB1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Max GPU power (TGP)
125W1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Exact RTX 5080 maximum graphics power is 125 W including Dynamic Boost. The sheet says values may vary by scenario. No separate Dynamic Boost allocation is given.
Dynamic Boost
Not available
GPU boost clock
1,995MHz1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Exact configured boost is up to 1995 MHz, with the same scenario qualification. The stray x after MHz in the sheet is not another unit.
GPU switching
Optimus2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Printed page 2-16 explicitly states NVIDIA discrete graphics with NVIDIA Optimus supported. No Advanced Optimus or hardware MUX is inferred.
Integrated GPU
Intel Graphics6Maker product pageintel.com/content/www/us/en/products/sku/245529/intel-core-ultra-9-processor-386h-18m-cache-up-to-4-90-ghz/specifications.htmlRead 5 October 2026Exact 386H uses Intel Graphics. Arc B390 from the different Core Ultra X7/X9 processors is not inherited. Intel 18A is a process brand, not a numerical nanometre value.

Memory

Installed RAM
32GB1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 20267Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 2026
RAM type
DDR51Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
RAM speed
Not available
Memory channels
Not available
RAM upgrade
Slots1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 20262Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026
Memory slots
CountOccupiedModule size (GB)
2Yes16
Source1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Two installed 16 GB DDR5 modules and two physical sockets. The family manual lists ordinary SO-DIMM and optional clocked CSO-DIMM alternatives. Exact installed socket type is not established, so slot_type is omitted. Maximum 128 GB is supported, but configured transfer rate and active channel count remain unknown.2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Printed page 2-15 lists two SO-DIMM sockets and optional two CSO-DIMM sockets. Both alternatives have two physical sockets, but exact 005US socket classification is not proven.7Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 2026Standard memory is explicitly two 16 GB modules. Its Number of SODIMMS label does not resolve ordinary versus clocked sockets against the original manual optional CSO-DIMM alternative. Retail 7200MHz wording is not treated as a measured DRAM clock or independently confirmed configured transfer rate.
RAM slots
2
Free RAM slots
0
Maximum supported RAM
128GB1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

Storage

Installed storage
2TB1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 20267Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 2026
Storage type
NVMe SSD1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Installed drive PCIe generation
41Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Storage slots
Form factorInterfacePCIe generationCountOccupied
M.2 2280PCIe NVMe41Yes
M.2 2280PCIe NVMe41No
Source1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Exact SKU has two NVMe PCIe Gen4 connectors and one installed 2 TB Gen4 SSD. One connector is occupied and one free. Original manual supplies the common M.2 2280 form factor. PCIe Gen4 here is physical slot capability, separately from installed storage_pcie_gen.2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Printed page 2-16 explicitly specifies two M.2 2280 NVMe PCIe SSD slots. The bottom exterior SSD access label is not an exhaustive slot count. Exact US sheet independently specifies both connectors as Gen4 and one installed drive.
M.2 slots
2
Free storage slots
1
Maximum slot PCIe generation
4

Ports

Ports
TypeVersionCountSideMaximum data rate (Gbps)Thunderbolt or USB4DP Alt ModeMaximum charging input (W)Maximum peripheral power (W)
USB-A3.2 Gen 21Left10Not availableNot availableNot availableNot available
USB-A3.2 Gen 21Right10Not availableNot availableNot availableNot available
USB-CNot available2Left40Thunderbolt 4Yes10015
HDMIHDMI 2.11RightNot availableNot availableNot availableNot availableNot available
Ethernet (RJ45)Not available1Right2.5Not availableNot availableNot availableNot available
3.5 mm audioNot available1RightNot availableNot availableNot availableNot availableNot available
DC inNot available1LeftNot availableNot availableNot availableNot availableNot available
Source1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Exact quantities and protocols corroborate the original manual. Each Thunderbolt connector is counted once. Two USB-A, two USB-C, one HDMI, one RJ45, one audio combo and one main DC-in connector are represented.2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Full right-side figure on printed 2-6 and left-side figure on 2-7, with continuation 2-8, were rendered and inspected. One USB-A is on each side. Both Thunderbolt USB-C connectors are left. Audio, HDMI and RJ45 are right. Main power input and Kensington are left. Front and rear diagrams are blank. Each USB-C accepts up to 100 W and supplies maximum 5 V/3 A, 15 W, to a peripheral. Running input is specified for 90–100 W adapters. Optional 45 W charging is limited to off states. No simultaneous peripheral power budget is stated.3Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026PD Charging footnote explicitly supports 100 W at 20 V/5 A in running and modern-standby states, and 45–100 W in hibernate or off states. Performance may be limited to match input current. The 240 W main adapter is separate.
USB-C ports
2
Thunderbolt
Yes
Highest HDMI version
HDMI 2.1
Card reader
No
Ethernet speed
2.5Gbps
Maximum USB-C charging input
100W

Wireless

Wi-Fi
Wi-Fi 71Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Wi-Fi bands
Not available
Wi-Fi module
Intel Wi-Fi 7 BE2131Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Bluetooth
6.01Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Cellular
Not available

Keyboard and touchpad

Keyboard layouts
Not available
Key switches
Not available
Keyboard backlight
RGB zones1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Numpad
No2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Complete top-open keyboard figure, printed 2-3, shows no dedicated numeric keypad. Exact sheet states 80 keys.
Key travel
Not available
Pointing stick
No2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Complete top-open keyboard figure and descriptions show a touchpad and no dedicated pointing stick.
Touchpad size
Not available
Touchpad mechanism
Not available

Camera and audio

Webcam
1080p at 30 fps1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
IR face login
Yes2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Printed page 2-4 identifies optional IR camera with infrared facial recognition. Exact 005US sheet confirms the IR FHD camera is installed, and current maker overview explicitly confirms facial login.3Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026Dedicated IR FHD Webcam section explicitly states facial-recognition login and physical webcam shutter.
Webcam privacy
Physical shutter1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Built-in speaker drivers
41Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Two 2 W speaker drivers plus two 2 W woofers, four physical drivers and 8 W summed published rating. RMS versus peak classification is not stated. Retail prose about two pairs of woofers does not override this exact maker table.
Total speaker power
8W1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Audio features
Hi-Res Audio Ready, Nahimic 31Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Microphones
Not available

Battery and power

Battery energy
90Wh1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 20263Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026Exact sheet supplies the selected 90 Wh capacity. The current 12-hour video claim is tested on a stated 356H/5090/16 GB/1 TB configuration, different from this selected model, and is not stored.
Claimed battery life
Not available
Adapter rated output
240W1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Exact main AC adapter rating is 240 W. This is separate from USB-C charging input and does not establish maximum accepted main DC power.
Laptop charging connector
Proprietary2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Left-side main power connector figure is the rectangular proprietary MSI DC connector, separate from USB-C. No barrel plug is assigned.
Charge 0 to 50 % (claimed)
Not available

Cooling

Fans
25Maker product pagestorage-asset.msi.com/global/picture/image/feature/nb/2026-intel/stealth-16-ai-plus/cooler/cooler-pd.pngRead 5 October 2026Complete original current maker Cooler Boost with Intra Flow hardware image independently viewed. It shows two physical internal fan impellers. Three exhaust paths are not three fans. Phase-change compound is stated for CPU/GPU, but unsupported vapor-chamber and liquid-metal absence values are omitted.
Vapor chamber
Not available
Liquid metal
Not available
Power modes
Name
Apex
Source3Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026Apex mode in MSI Center with AC power is named directly. The maker total-power statement is for 386H with RTX 5080 16 GB. It is not assigned separately to either CPU or GPU.4Maker product pagefr.msi.com/blog/looking-for-a%20-thin-and-powerful-laptop-for-work-study-and-creativity-meet-the-msi-mtealth-seriesRead 5 October 2026

Security

Fingerprint
Power button2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Printed page 2-4 places the fingerprint sensor in the power key. Exact SKU sheet confirms one fingerprint sensor, resolving optional family wording.
TPM
2.01Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Exact SKU explicitly has firmware TPM 2.0. The family manual optional TPM wording is not the sole proof.
Remote management
Not available
Security lock slot
Yes1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

Software

Operating system
Windows 11 Home1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 20267Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 2026
OS family
Windows1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026
Security updates until
Not available

Measured display

We could not find any of these 12 fields. Show them
Brightness (measured, centre)
Not available
Brightness (measured, average)
Not available
Contrast ratio (measured)
Not available
HDR peak brightness (measured)
Not available
sRGB coverage (measured)
Not available
DCI-P3 coverage (measured)
Not available
Colour accuracy (measured Delta E)
Not available
PWM flicker found
Not available
PWM frequency (measured)
Not available
PWM at or below brightness
Not available
Response black to white (measured)
Not available
Response grey to grey (measured)
Not available

Measured performance

We could not find any of these 8 fields. Show them
Cinebench 2024 single-core
Not available
Cinebench 2024 multi-core
Not available
Geekbench 6 single-core
Not available
Geekbench 6 multi-core
Not available
3DMark Time Spy graphics
Not available
3DMark Steel Nomad
Not available
SSD sequential read (measured)
Not available
Game frame rates
Not available

Measured noise and temperature

We could not find any of these 9 fields. Show them
Fan noise per mode
Not available
Max fan noise
Not available
Fan noise while gaming
Not available
Top surface under load
Not available
Bottom surface under load
Not available
Palm rest under load
Not available
CPU temperature in stress test
Not available
CPU clock in stress test
Not available
GPU temperature while gaming
Not available

Measured battery and power

We could not find any of these 10 fields. Show them
Battery runtime per test
Not available
Wi-Fi browsing runtime
Not available
Video runtime
Not available
Full charge time (measured)
Not available
Power draw idle
Not available
Power draw gaming
Not available
Power draw max
Not available
Sustained CPU power (measured)
Not available
GPU power while gaming (measured)
Not available
Weight (measured)
Not available

Certifications

Intel Evo
Not available
Copilot+ PC
Yes3Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026Current product introduction, dedicated Now Even Smarter section and FAQ explicitly identify Stealth 16 AI+ as Copilot+ PC. A Copilot key alone is not proof.
Colour certifications
Not available
ENERGY STAR
Not available
EPEAT
Not available
Other certifications
SGS Eye Care1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026SGS Eye Care Display is explicit for the selected OLED. No numeric blue-light result, panel surface or native colour depth is inferred.

In the box

In the box
240 W AC adapter, AC power cord, Quick Start Guide2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Printed page 2-2 Unpacking explicitly includes AC adapter, AC power cord and Quick Start Guide. Exact sheet establishes the supplied adapter rating as 240 W. Optional carry bag is omitted.
Power adapter included
Yes2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026

Warranty

Manufacturer warranty (source market)
1year1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026One-year limited manufacturer warranty for the exact US SKU.7Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 2026One-year USA manufacturer limited warranty, with one-year global service qualification. No extra service duration is inferred.
Warranty service
Not available

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Sources

We read 10 sources for this laptop. The numbers match the markers in the sheet.

  1. Read 5 October 2026Backs 48 fields
  2. Read 5 October 2026Backs 16 fields
  3. Read 5 October 2026Backs 10 fields
  4. Read 5 October 2026Backs 2 fields
  5. Read 5 October 2026Backs 1 field
  6. Read 5 October 2026Backs 5 fields
  7. Read 5 October 2026Backs 9 fields
  8. Read 5 October 2026Backs 4 fields
  9. Read 5 October 2026Backs 1 field
  10. Read 5 October 2026Backs 1 field

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