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US tech spec tab shows one UX8407AA column with several CPU and storage options. The exact DS99T row is in the US press release and the ASUS Store listing.","colors":"Color Moher Gray.","os":"Windows 11 Pro is also listed for the family. The DS99T row is Windows 11 Home.","integrated_gpu":"Graphics row lists Intel Graphics and Intel Arc Graphics. The DS99T has the 386H with Intel Graphics.","ram_max_gb":"Memory row: 32GB LPDDR5X on board, max total system memory up to 32GB.","storage_slots":"Expansion slots row: 1x M.2 2280 PCIe 4.0x4 (includes used). The installed SSD uses it. Regional ASUS pages show the same row.","storage_pcie_gen":"1TB M.2 NVMe PCIe 4.0 SSD.","ports":"I/O row: 2x Thunderbolt 4 with support for display and power delivery (up to 40Gbps), 1x USB 3.2 Gen 2 Type-A, 1x 3.5mm combo audio jack. The press releases add 1x HDMI 2.1 FRL. Port sides are not published by the maker.","screen_size_in":"Each of the two displays is 14 inch.","native_resolution":"3K (2880 x 1800) OLED 16:10, each display.","stylus_support":"With stylus support. The US bundle includes the ASUS Pen.","refresh_rate_modes":"Both displays 144Hz. The global press release states 48-144Hz VRR.","brightness_typical_nits":"500nits SDR.","brightness_hdr_peak_nits":"1000nits HDR peak brightness. Window size is not stated.","dci_p3_coverage_pct":"100% DCI-P3 color gamut.","hdr_certification":"VESA CERTIFIED Display HDR True Black 1000.","color_certifications":"PANTONE Validated.","secondary_display":"Dual 14 inch 3K OLED touch screens. The lower display is the second display.","key_travel_mm":"Backlit Chiclet Soft Keyboard, 1.7mm key travel. The detachable keyboard is Bluetooth.","keyboard_backlight":"Backlit chiclet soft keyboard. Zones and color are not stated.","windows_hello_ir":"FHD camera with IR function to support Windows Hello.","speaker_count":"The product page says six speakers. The tech spec lists built-in speakers with Smart Amp Technology.","audio_features":"Smart Amp Technology. Dolby Atmos is named in the press release and on the product page.","charger_w":"TYPE-C, 100W AC Adapter, output 20V DC 5A.","weight_kg":"1.65 kg (3.64 lbs) with the keyboard attached. The global press release gives 1.35 kg without the keyboard.","dimensions_mm":"31.01 x 20.86 x 1.96 ~ 2.34 cm with the keyboard attached.","mil_std_810":"US MIL-STD 810H military-grade standard. Tests are not listed.","energy_star":"Ecolabels and compliances: RoHS and Energy Star.","copilot_plus_pc":"The tech spec page title is ASUS Zenbook DUO (UX8407), Copilot+ PC.","wifi_bands":"Wi-Fi 7 (802.11be) triple band 2*2. 6GHz availability varies by country."}},{"url":"https://www.asus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/","kind":"manufacturer_page","accessed":"2026-10-13","fields":["manufacturer_url","series","segment","form_factor","lid_material","bottom_material","cpu_tdp_configured_w","battery_life_claimed","touchpad_size_mm"],"notes":{"series":"Zenbook line.","form_factor":"Dual-screen laptop with two 14 inch displays and a detachable Bluetooth keyboard.","segment":"Maker FAQ describes it as a portable, premium thin and light dual-screen device.","lid_material":"Full Ceraluminum chassis. No enum option fits, so other is stored.","bottom_material":"Full Ceraluminum chassis. No enum option fits, so other is stored.","cpu_tdp_configured_w":"Up to 45W TDP sustained. The Engadget review also says ASUS limits the TDP to 45 watts.","battery_life_claimed":"Single screen up to 32 hours local video playback and 18 hours web browsing. With both displays up to 18 and 12 hours. ASUS test November 2025 on a UX8407AA with a 3K OLED, Intel Core Ultra X9, 2 TB SSD, 32 GB RAM, Balanced power plan, 150 cd/m2, 60 Hz, wallpaper on the second panel. The tested configuration differs from the DS99T."}},{"url":"https://www.asus.com/us/news/the-all-new-zenbook-duo-is-now-available-for-pre-order-in-the-united-states/","kind":"press_release","accessed":"2026-10-13","fields":["release_date","launch_price_usd","in_the_box","markets","other_certifications"],"notes":{"other_certifications":"The release calls the dual displays Dolby Vision-certified, with 48-144Hz VRR. RoHS is from the tech spec.","release_date":"April 23, 2026 US pre-order announcement for UX8407AA-DS99T on the ASUS Store. The month is approximate.","launch_price_usd":"MSRP $2,499.99 for UX8407AA-DS99T. The X9 model UX8407AA-PSX9T is $2,699.99.","in_the_box":"Bundle row: ASUS Pen 3.0 with Wireless Charger and ASUS Zenbook Laptop Sleeve. The ASUS tech spec lists the same two items and says accessories vary by country.","markets":"US pre-order announcement from ASUS USA."}},{"url":"https://press.asus.com/news/press-releases/asus-zenbook-duo-2026/","kind":"press_release","accessed":"2026-10-13","fields":["announce_date"],"notes":{"announce_date":"Announcement dated January 7, 2026 in Taipei."}},{"url":"https://eshop.asus.com/us/90nb16v1-m00j80-asus-zenbook-duo-ux8407-copilot-pc.html","kind":"manufacturer_page","accessed":"2026-10-13","fields":["status","warranty_years"],"notes":{"status":"ASUS Store listing for UX8407AA-DS99T (part 90NB16V1-M00J80) with Add to Cart and most orders shipping within 24 hours.","warranty_years":"1 year international manufacturer warranty plus 1 year accidental protection when registered within 60 days of purchase. 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