This article covers Dell AW3425DW 34インチ曲面 有機EL Alienware ゲーミングモニター(無輝点3年保証.

Overview

The Dell AW3425DW is a 34.2-inch curved QD-OLED gaming monitor from the Alienware lineup. It features a 3440×1440 (WQHD) resolution with a 21:9 ultrawide aspect ratio and an 1800R curvature designed to pull you into the action. With a 240Hz refresh rate and 0.03ms (GtG) response time, it delivers the speed needed for competitive gaming. The standout feature is the QD-OLED panel, which covers 99.3% of the DCI-P3 color space and carries VESA DisplayHDR True Black 400 certification for deep blacks and vibrant highlights. It supports three variable refresh rate technologies — NVIDIA G-SYNC Compatible, AMD FreeSync Premium Pro, and VESA AdaptiveSync — ensuring tear-free gameplay across a wide range of GPUs.

Connectivity & Compatibility

Video inputs include one DisplayPort 1.4 and two HDMI 2.1 ports. HDMI 2.1 provides 48Gbps bandwidth, enabling 4K 120Hz or variable refresh rate support. There is no built-in USB hub, but a rear cable slot helps keep your desk tidy. The monitor is VESA mount compatible (100×100mm) and offers height adjustment (up to 110mm) and tilt adjustment (-5° to 21°). It works with both NVIDIA and AMD GPUs thanks to its multi-VRR support. Note that G-SYNC Compatible mode is only available over DisplayPort, while FreeSync Premium Pro works over both DisplayPort and HDMI.

Product Info

Released in 2025, the AW3425DW typically sells for around ¥60,000 (approx. $400 USD) as of mid-2026. It comes with a 3-year zero-bright-dot warranty and an advanced replacement service — Dell sends a replacement unit before you return the defective one. Accessories include power cable, DisplayPort cable, HDMI cable, USB upstream cable, and a quick setup guide. Positioned as a high-end gaming monitor, the AW3425DW offers QD-OLED quality at a price that undercuts many competitors like the Samsung Odyssey G8 OLED. The trade-off is the lack of USB hub and KVM functionality, which some users may miss.

Best Use Cases

Competitive FPS gamers: The 240Hz refresh rate and 0.03ms response time provide the responsiveness needed for fast-paced shooters. Pair it with an NVIDIA GeForce RTX GPU for G-SYNC Compatible tear-free performance. However, if you prefer a smaller 27-inch screen for faster eye movement, this 34-inch panel may feel too large. Creative professionals: The wide DCI-P3 coverage and Delta E<2 color accuracy make this monitor suitable for photo editing and video color grading. HDR content looks impressive thanks to DisplayHDR True Black 400. For strict color-critical work, consider a dedicated calibrator since Adobe RGB and sRGB coverage are not officially specified. * Immersive gaming enthusiasts: The 34-inch ultrawide format with 1800R curvature is ideal for racing sims, flight sims, and open-world RPGs. The 21:9 aspect ratio expands your field of view in supported titles. Be aware that games without ultrawide support will display black bars on the sides.

Product Disclosure (Amazon)

  • Manufacturer: 東芝(TOSHIBA)
  • Seller: world trade shop
  • Fulfilled by: world trade shop
  • ASIN: B09TQ639G8
  • Note: This article covers a manufacturer-made product based on Amazon listing details.