NEC E556
Score: 76/100
NEC M551
Score: 76/100Rankings
The NEC E556 is a 55" commercial-grade Full HD LED display with a built-in tuner and USB playback, designed for continuous operation in corporate and educational signage. It offers solid image quality, ample connectivity, and a three-year warranty, but lacks 4K resolution and portrait capability.
The NEC MultiSync M551 is a 55-inch commercial-grade 4K UHD LED-backlit LCD display designed for digital signage and video-wall applications. It delivers high brightness, strong contrast, and HDR support while offering extensive remote-management features for 24/7 operation.
| Attribute | | |
|---|---|---|
55 inchesbest | 55 inchesbest | |
2,073,600 pixelsbest | — | |
60 Hzbest | — | |
350 nits | 500 nitsbest | |
1,200 | 8,000best | |
| ↓ lower better | 9 msbest | — |
| ↓ lower better | 0.63 mmbest | — |
| ↓ lower better | 111 Wbest | 250 W |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Display(4) | ||
Resolution (total pixels) (pixels) | 2073600 pixels | 3840x2160 pixels |
Panel Type | S-IPS | IPS |
Brightness (nits) | 350 nits | 500 nits |
Static Contrast Ratio | 1200 | 8000 |
Power & Energy(1) | ||
Typical Power Consumption (W) | 111 W | 250 W |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise its reliability, integrated tuner and USB looping, while noting the absence of 4K and smart-TV features.
Users appreciate the straightforward setup, bright image and quiet operation, but criticize the lack of 4K, the basic remote and the unit's weight.
Professional AV integrators view the M551 as a reliable workhorse for digital signage and corporate environments, highlighting its high haze panel, local dimming, and extensive remote-management features. Reviewers commend its brightness consistency, color accuracy, and compatibility with embedded media platforms.
Everyday users appreciate the crisp 4K picture, easy system integration, and sturdy 24/7 operation, but many mention the steep learning curve for remote-control setup and wish for lower power consumption.
“Easy setup for broadcast monitoring in schools and offices”
“Sharp 4K image quality and vibrant colors”
“Easy integration into existing AV systems”
