BenQ has announced two 4K/240 Hz QD-OLED gaming monitors, headlined by the 32-inch EX321UZ with DisplayPort 2.1 and 90 W USB-C. A 27-inch sibling (EX271UZ) targets the same 4K/240 Hz tier with HDMI 2.1, while a separate 27-inch 1440p model (EX271QZ) lands at 500 Hz. Here’s what’s real, what’s marketing, and how these slots against 2025’s crowded OLED stack.
If you’re new here, start with our DLSS/FSR/XeSS explainer and the NVMe field guide. For build thermals and stability, see VRMs Demystified and our Air vs AIO piece.
What’s actually new
BenQ’s new MOBIUZ OLED trio splits into two 4K/240 Hz QD-OLEDs and one high-refresh 1440p:
- EX321UZ (32-inch, 4K/240 Hz): QD-OLED panel, DisplayPort 2.1, HDMI 2.1, and USB-C with up to 90 W power delivery. BenQ positions this as the flagship for PC plus current-gen consoles.
- EX271UZ (27-inch, 4K/240 Hz): QD-OLED panel, HDMI 2.1; early materials indicate DP 1.4 here rather than DP 2.1.
- EX271QZ (27-inch, 2560×1440 @ 500 Hz): QD-OLED aimed squarely at esports latency rather than pixel density.
BenQ’s press summaries cite HDR capabilities in the True Black class, FreeSync Premium Pro, and console-friendly HDMI 2.1 across the line. The 32-inch model’s DP 2.1 and higher HDR tier are the practical differentiators.
Why DP 2.1 on the 32-inch matters
4K/240 Hz uncompressed is a brutal bandwidth ask. DP 1.4 can reach 4K/240 via DSC (Display Stream Compression), which is visually near-transparent in most cases—but it’s still compression and can trigger edge cases with color-critical workflows or capture pipelines. A full-fat DP 2.1 link (80 Gbps UHBR20) reduces reliance on DSC, offers cleaner headroom for HDR at high refresh, and simplifies chaining certain pro workflows. If you’re running a top-bin GPU with heavy RTX/FSR workloads at 240 Hz, fewer variables in the signal path is a win.
Panel class and burn-in realities
These are QD-OLED, almost certainly based on Samsung Display’s recent generation. Pros: wider color volume vs. WOLED, cleaner subpixel layout for text at 4K, and excellent full-field uniformity. Cons: like all OLEDs, luminance management (ABL/ASBL) and burn-in risk remain. BenQ claims updated panel care and pixel-shift routines; the bigger gain users actually feel will be from more conservative default luminance maps and smarter logo detection. If you’re mixing desktop and gaming, set a sane SDR peak (140–200 nits), keep dark wallpapers, and enable the panel care tools.
Where these sit against 2025’s OLED field
2025 has turned into a three-way race:
- 27-inch, 4K/240 Hz: Asus, MSI, Samsung, Alienware all announced early; BenQ’s EX271UZ joins late but keeps pace on refresh and HDR. DP 1.4 vs 2.1 will be the deciding port detail for PC purists.
- 32-inch, 4K/240 Hz: EX321UZ leans premium with DP 2.1 and 90 W USB-C. That’s catnip for single-cable laptop docks and capture boxes that hate DSC.
- 27-inch, 1440p/500 Hz: BenQ’s EX271QZ goes head-to-head with MSI/Samsung high-Hz OLEDs. For esports, 1440p/500 Hz is often the sweet spot vs 4K/240 Hz—lower latency, easier to drive, fewer VRAM pressure spikes.
Reality checks and likely trade-offs
- Text clarity & OS scaling: 27-inch 4K is gorgeous but needs 150–200% UI scaling. If you live in spreadsheets or code editors, check subpixel rendering and ClearType settings; QD-OLED’s triangle subpixels are improved versus older layouts, but still differ from IPS.
- HDR in the real world: Peak “spec sheet” nits often apply to small highlights. Expect ~200–250 nits fullscreen SDR comfort and short HDR bursts. If you like searing HDR, consider a mini-LED alongside OLED.
- Cable math: For 4K/240 Hz + 10-bit + HDR, budget for certified DP 2.1 cables on the EX321UZ. On the EX271UZ (DP 1.4), you’ll likely lean on DSC—fine for gaming, less ideal for niche capture/analysis rigs.
- GPU requirements: 4K/240 Hz wants bleeding-edge GPUs. If you’re on mid-tier RDNA 3/4 or RTX 40/50-mid, you’ll lean heavily on DLSS/FSR and per-title frame gen. See our upscalers explainer.
Pricing & availability (early signs)
Initial regional materials point to the EX321UZ landing first (U.S. guidance references early 2026 availability at a premium price point); the EX271UZ/EX271QZ timing looks earlier, with announcements clustered around Tokyo Game Show week. Expect full retail listings to clarify DP port differences, HDR certification (True Black tiers), and warranty language (burn-in coverage) per region.
Bottom line
If you’ve been waiting for a DP 2.1-equipped 32-inch 4K/240 Hz OLED for a top-end PC rig, the EX321UZ finally ticks the bandwidth and convenience boxes. The 27-inch EX271UZ gives you the same pixel density and refresh, but watch the DP revision—DSC isn’t evil, just another moving part. Competitive players should eye the EX271QZ: 1440p/500 Hz plus OLED motion makes more sense than chasing 240 Hz at 4K unless you already own a halo GPU and tune per-title settings religiously.
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