Sleek 23.8-inch full HD touch all-in-one PC for business and home offices. Powered by an Intel Core i5-11500B up to 4.6 GHz with Intel UHD Graphics, 8 GB DDR4 memory, and a fast 256 GB M.2 NVMe SSD. Features an anti-glare IPS-level panel, built-in HD camera, speakers and microphone, gigabit LAN, Wi-Fi 5 and Bluetooth, plus a height-adjustable stand. Model E5402WHAT.

Who is this for

• Retail counters and reception areas that benefit from touch input and optional outward-facing VeriView
• Small offices needing a compact, easy-to-service all-in-one with upgradeable RAM and storage
• Hybrid workers who want clear video calls with AI noise reduction

Key features

• 23.8-inch FHD 1920×1080 capacitive touch display, anti-glare, 60 Hz, 250 nits, 178° viewing
• Intel Core i5-11500B, 6 cores, 12 MB cache, up to 4.6 GHz
• 8 GB DDR4-3200 SO-DIMM (upgradeable)
• 256 GB M.2 NVMe PCIe 3.0 SSD (dual M.2 slots available)
• Integrated Intel UHD Graphics (11th Gen)
• Windows 11 Pro 64-bit
• ASUS VeriView secondary outward-facing touchscreen support (optional)
• Two-way AI noise-cancellation for clearer calls
• Height-adjustable stand with tilt, swivel and rotate
• VESA mount compatible

Ports and connectivity

• Side: headphone out, 3-in-1 card reader (SD/MMC/MS), USB 3.2 Gen 1 Type-A, USB 3.2 Gen 2 Type-C
• Rear: DC-in, Kensington lock slot, serial port, RJ45 Gigabit Ethernet, HDMI out 2.0a, 2× USB 2.0 Type-A, 2× USB 3.2 Gen 1 Type-A
• Wireless: Wi-Fi 5 (802.11ac) 2×2, Bluetooth 5.1

Camera, audio and security

• 720p HD front-facing camera with privacy shutter
• Built-in array microphone and speakers
• Kensington security slot, HDD user password protection
• Optional ASUS AdaptiveLock with IR camera for proximity login

Display and ergonomics

• IPS-level wide-view panel, 100% sRGB
• TÜV Rheinland certified for low blue light and eye comfort
• Adjustable stand for optimal viewing; rotates 180° horizontally and 90° vertically

What’s in the box

• ASUS ExpertCenter E5 AiO 24 (E5402WHAT)
• Wireless grey keyboard
• Wireless optical mouse
• 150 W AC adapter (20 V, 7.5 A; 100–240 V AC input)

Detailed specifications

• CPU: Intel Core i5-11500B, 3.3 GHz base, up to 4.6 GHz boost, 12 MB cache, 6 cores
• Chipset: Intel HM570
• Memory: 8 GB DDR4 SO-DIMM installed; 2× SO-DIMM slots
• Storage: 256 GB M.2 NVMe PCIe 3.0 SSD; 2× M.2 2280 slots
• Optical drive: none
• Graphics: Intel UHD Graphics (11th Gen)
• Screen-to-body ratio: 85%
• Response time: 14 ms typical (25 ms max)
• Contrast ratio: 1000:1
• Stand: height-adjustable (HAS)
• I/O summary: see ports section above
• Dimensions: 54.1 × 43.9 × 4.5–20.1 cm
• Weight: approx. 7.1 kg (normal stand) or 8.9 kg (HAS)
• LAN: Realtek RTL8111H 10/100/1000
• Included apps: MyASUS, ASUS Business Manager, McAfee trial
• MyASUS features: system diagnosis, fan profile, AppDeals, Link to MyASUS
• Office: 1-month Microsoft 365 trial for new customers
• Energy: ENERGY STAR 8.0, EPEAT Silver