Logitech K740 Illuminated Wired Keyboard

Logitech K740 Illuminated Wired Keyboard — image 1
Logitech K740 Illuminated Wired Keyboard — image 2
Logitech K740 Illuminated Wired Keyboard — image 3
Logitech K740 Illuminated Wired Keyboard — image 4
Logitech K740 Illuminated Wired Keyboard — image 5
Logitech K740 Illuminated Wired Keyboard — image 6
75%
25%
88%
Typing Feel
86%
Build Quality
83%
Backlighting Quality
91%
Key Durability
79%
Comfort & Ergonomics
67%
Value for Money
94%
Plug-and-Play Setup
77%
Cable & Connectivity
81%
Noise Level
85%
Desk Footprint
43%
OS & Platform Compatibility
38%
Wireless & Connectivity Options
52%
Lighting Customization
89%
Long-Term Reliability
More

Overview

The Logitech K740 Illuminated Wired Keyboard has held its ground in a crowded market since 2008 — and that kind of staying power is not accidental. While wireless keyboards have dominated recent headlines, this Logitech keyboard makes a quiet, confident case for staying plugged in: no battery anxiety, no pairing headaches, just a clean connection every time. The design is notably slim for a full-size board, sitting flat on your desk without the chunky profile that most traditional keyboards carry. At its price point, buyers are right to ask whether a wired keyboard justifies the premium — and the answer largely depends on how much you value build quality and typing feel over feature novelty.

Features & Benefits

The K740's backlighting is done right — keys are laser-etched rather than pad-printed, which means the legends will not fade after a year of heavy use. Brightness is adjustable manually, so you can dial it down for a dim room or cut it entirely. The PerfectStroke key system gives each keystroke a consistent, slightly cushioned feel across the full key surface, which matters more than people expect during long writing sessions. The built-in soft-touch palm rest removes the need for a separate wrist pad, and the cable runs a generous six feet — long enough to reach a tower tucked under your desk without any tension. The full-size layout, including programmable function keys, means nothing is sacrificed for the slim form.

Best For

This illuminated keyboard is a strong fit for Windows PC users who spend most of their day at a desk and want typing comfort without a secondary wrist accessory cluttering the setup. If you work in low-light conditions — early mornings, late nights, or a dim home office — the backlit keys are genuinely useful, and the single-color backlighting keeps things clean without the distraction of RGB. Worth flagging upfront: Mac compatibility is essentially nonexistent, so if you are on Apple hardware, skip it. For Windows users who prefer a dependable cable over wireless hassle and want a full-size layout with no compromises, the K740 is a precise, well-considered choice.

User Feedback

With close to 5,900 ratings and a 4.6-star average, the K740 sits at #664 in Computer Keyboards — a strong position for a keyboard that has not been redesigned in years. The patterns across reviews are consistent: buyers repeatedly praise the key feel and build, noting that the typing experience holds up well over months of daily use. Durability comes up often in a positive light, with long-term owners describing their units still performing reliably after several years. On the critical side, the price draws scrutiny — some buyers feel a wired keyboard at this tier should offer more, particularly given the absence of wireless or multi-device support. Windows exclusivity is another common frustration, especially for mixed-platform households.

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Pros

  • Laser-etched key legends will not fade with heavy daily use, unlike pad-printed alternatives.
  • The integrated palm rest removes the need for a separate wrist accessory cluttering your desk.
  • PerfectStroke keys deliver a consistent, comfortable typing feel across the entire key surface.
  • Backlighting brightness adjusts manually, making the K740 practical in dim or shared office environments.
  • Full-size layout with programmable F-keys means no functionality is trimmed to achieve the slim form.
  • USB-powered and plug-and-play — just connect the cable and start working, no software required to get going.
  • The six-foot cable gives enough reach for tower setups placed under or beside a desk.
  • Nearly 5,900 ratings with a 4.6-star average reflects consistent satisfaction across a large, long-term user base.
  • Long-term owners frequently report the keyboard still performing reliably after several years of everyday use.
  • The ultra-thin profile keeps your desk looking clean without sacrificing the comfort of a full-size board.

Cons

  • Windows-only compatibility is a hard cutoff — Mac users have no practical path to full functionality.
  • The price is high for a wired keyboard, especially given the absence of wireless or multi-device features.
  • No Bluetooth or wireless option means you are permanently tethered to one machine.
  • Single-color backlighting offers no customization for users accustomed to RGB or per-key color control.
  • The design has not been meaningfully updated since its 2008 launch, which shows in the feature set.
  • No dedicated USB hub or pass-through port, so the cable occupies one of your available USB slots.
  • Buyers in mixed-platform households will find this illuminated keyboard frustratingly limited to one ecosystem.
  • No built-in wrist height adjustment — the fixed low profile may not suit everyone's ergonomic preference.

Ratings

The scores below for the Logitech K740 Illuminated Wired Keyboard were generated by our AI after analyzing thousands of verified global buyer reviews, with spam, bot submissions, and incentivized feedback actively filtered out. The results reflect a balanced picture — where this keyboard genuinely earns its reputation and where real users have consistently run into friction. Both the strengths and the shortcomings are represented transparently so you can make a genuinely informed call.

Typing Feel
88%
The PerfectStroke key system earns consistent praise from writers, coders, and data-entry workers who log long hours at a desk. Users describe the keystrokes as smooth and uniform, with just enough resistance to feel controlled without fatigue during marathon sessions.
Typists who have switched from mechanical keyboards occasionally find the membrane feel too soft or lacking the tactile feedback they prefer. Those coming from clicky switches tend to miss the distinct actuation point that membrane boards simply cannot replicate.
Build Quality
86%
Long-term owners are vocal about how well the K740 holds together over time — many report years of daily use without any structural issues, key wobble, or cable degradation. The matte black finish resists fingerprints reasonably well and the overall construction feels dense and deliberate rather than hollow.
A small but recurring subset of buyers reports that the plastic housing can develop minor flex under firm pressure near the center of the board. For the price point, a handful of users expected a more premium material — something closer to brushed aluminum — rather than an all-plastic shell.
Backlighting Quality
83%
The laser-etched backlighting is consistently praised for its practicality in dim offices and nighttime home setups. Because the legends are etched rather than printed on top of the keycaps, the light comes through evenly and the characters remain crisp and readable at every brightness level.
The single-color white backlight leaves users who prefer a personalized desk setup feeling limited, and there are no lighting effects or per-key control of any kind. A few reviewers also note minor bleeding at the edges of some keys, which is noticeable in very dark rooms.
Key Durability
91%
Laser-etching is one of the most durable key-labeling methods available at this tier, and buyers consistently confirm the legends stay sharp and legible well beyond the two-year mark. This is a meaningful advantage over keyboards in a similar price range that use pad printing and start showing wear within months.
The keycap surface itself — not the legend — can develop a slight sheen or slippery feel on the most-used keys after extended heavy use. This is a common trait for ABS-style keycaps and is more of a material reality than a defect, but it is noticeable to users who are sensitive to tactile changes.
Comfort & Ergonomics
79%
21%
The integrated soft-touch palm rest is one of the most appreciated design choices on the K740, especially among users who would otherwise buy a separate wrist pad. It sits at the right height relative to the keys, and the texture provides a noticeably more comfortable resting surface than bare plastic decks.
The fixed, low-profile design does not suit everyone's ergonomic preference — users who rely on a keyboard tilt or an elevated wrist position will find there is no adjustment whatsoever. People with larger hands have also noted that the palm rest feels slightly short in depth, leaving the lower wrist without adequate support.
Value for Money
67%
33%
For buyers who prioritize long-term durability and daily typing comfort over modern connectivity features, the price reflects genuine quality — particularly the PerfectStroke system and laser-etched keys that justify a higher spend compared to entry-level boards. The keyboard's longevity on the market and strong rating across nearly 5,900 reviews suggest buyers who commit to it tend to feel satisfied over time.
The price is hard to defend for a wired-only keyboard in an era where wireless alternatives with comparable build quality exist at similar or lower costs. Many buyers openly question why a board with no wireless, no multi-device support, and no RGB commands a premium price, and that criticism shows up with regularity across review platforms.
Plug-and-Play Setup
94%
Setup is genuinely effortless — plug the USB into any Windows machine and the keyboard is immediately recognized and functional without any driver installation, software prompt, or pairing sequence. Users who have dealt with finicky Bluetooth keyboards consistently highlight this simplicity as a relief.
While setup is trivial for standard use, unlocking the programmable F-key functionality does require downloading Logitech's companion software, which some users find unnecessary friction for a feature they expected to work out of the box. The software itself has drawn mixed reviews for its interface.
Cable & Connectivity
77%
23%
The six-foot cable gives enough slack to reach towers placed under a desk, and the wired connection itself is rock-solid — zero latency, no interference, and no connection drops ever reported. For users who type in demanding or sensitive environments where wireless signals are unreliable, the cable is a genuine advantage.
The cable is permanently attached and not braided or reinforced at the stress points near the connector, which some users flag as a potential long-term weakness. There is also no cable management channel built into the keyboard, so the cord tends to sprawl across the desk unless you manage it yourself.
Noise Level
81%
19%
The membrane key system keeps the K740 quiet enough for shared office spaces, open-plan environments, and late-night work sessions where mechanical clatter would be disruptive. Reviewers in office settings frequently mention that colleagues nearby were not bothered by typing sounds.
Some users who prefer a completely silent keyboard note that the keys still produce a moderate tap sound that can be heard in a quiet room, particularly on harder keystrokes. It is quieter than a mechanical board but not truly silent, which matters in very noise-sensitive environments like recording studios or bedroom setups.
Desk Footprint
85%
The slim, low-profile form factor is one of the K740's most consistently praised physical traits — it sits flat and unobtrusive on the desk without the raised bump of traditional keyboards, and the overall width fits comfortably on most standard desk mats. Users with tidier workstation setups particularly appreciate how it integrates without dominating the desk surface.
Because it is a full-size board with an integrated palm rest, the total footprint is actually wider than compact or tenkeyless options. Users who have switched from a smaller keyboard to the K740 for its backlit keys sometimes find the width takes up more horizontal desk space than they anticipated.
OS & Platform Compatibility
43%
57%
Within the Windows ecosystem the K740 works flawlessly across Windows 7 through 11 with no compatibility concerns — a genuine plus for enterprise environments still running older operating system versions alongside newer ones.
The Windows-only limitation is a hard and recurring complaint in reviews, particularly from users in households or offices with mixed Mac and PC setups. Mac users who purchase the K740 without checking compatibility in advance consistently report disappointment, and there is no firmware or software workaround that resolves the core mapping issues on macOS.
Wireless & Connectivity Options
38%
62%
For users who specifically want a wired connection — whether for reliability, simplicity, or signal-sensitive environments — the fixed USB cable is exactly what they need and delivers on that expectation without any caveats.
The complete absence of wireless, Bluetooth, or multi-device switching is the most criticized aspect of the K740 in the current market. Buyers who want to use one keyboard across a laptop and a desktop, or who simply prefer a cable-free desk, have no options here whatsoever — and at this price, that absence is hard to overlook.
Lighting Customization
52%
48%
The manual brightness adjustment is simple and responsive, making it easy to dial in the right level of illumination for dim rooms or nighttime use without opening any software. For users who just want functional backlit keys without fuss, this minimal approach works well.
There is no color customization, no per-key lighting control, no lighting effects, and no software-based lighting profiles of any kind. In a market where even mid-range keyboards now offer full RGB with zone control, the K740's single-color fixed backlight feels notably limited for the price being asked.
Long-Term Reliability
89%
The K740 has one of the stronger long-term reliability reputations in its category — multiple reviewers specifically return to update their reviews after two, three, or even four years of daily use to confirm the keyboard is still performing exactly as it did on day one. The wired design eliminates wireless component degradation, which is a common failure point in competing products.
A small percentage of buyers report intermittent key registration issues appearing after extended use, particularly on the most frequently pressed keys. These cases are not the norm, but they are present consistently enough in the review pool to be worth noting for buyers who depend on the keyboard for professional or high-volume work.

Suitable for:

The Logitech K740 Illuminated Wired Keyboard is built for Windows PC users who spend serious time at their desk and want a typing experience that does not feel like a compromise. If you write, code, or work in spreadsheets for hours at a stretch, the combination of the PerfectStroke key system and the built-in palm rest makes a real difference in how your hands feel by the end of the day. The slim profile appeals to anyone who keeps a tidy workstation — it sits flat without eating desk space, and because it draws power through USB, there are no batteries to manage and no connection to maintain. People who work in low-light environments will especially appreciate the backlit keys, which are bright enough to be practical without being distracting. If your priority is a dependable, plug-and-play keyboard that holds up over years of daily use, the K740 has an unusually strong track record for exactly that.

Not suitable for:

The Logitech K740 Illuminated Wired Keyboard is a poor fit for Mac users — compatibility is limited to Windows, and trying to force it into an Apple setup will likely result in frustration with key mapping and missing functionality. Buyers looking for modern wireless convenience, multi-device Bluetooth switching, or rechargeable operation should look elsewhere entirely; this keyboard is fully corded by design, and that is not going to change. If RGB lighting or per-key color customization matters to you, the single-color backlighting here will feel limiting by comparison. Gamers who need specialized macro support, anti-ghosting, or rapid actuation will also find the K740 does not serve those priorities. Finally, shoppers working with a tight budget may reasonably decide the price asks too much for a wired keyboard without wireless or advanced modern features — and that is a fair conclusion.

Specifications

  • Brand: Manufactured by Logitech, a Swiss-American company with decades of experience in peripheral hardware.
  • Model: The K740 is part of Logitech's illuminated keyboard lineup, carrying the model number 920-000914.
  • Connectivity: Connects via a fixed USB cable with no wireless option or Bluetooth pairing.
  • Cable Length: The integrated USB cable measures approximately 6 feet, providing enough reach for most standard desktop configurations.
  • Layout: Full-size keyboard layout including a number pad, programmable function keys, and all standard navigation keys.
  • Key System: Uses Logitech's PerfectStroke system, which is designed to deliver uniform pressure and tactile response across the entire key surface.
  • Backlighting: Single-color LED backlighting with manual brightness adjustment; key legends are laser-etched for long-term legibility.
  • Palm Rest: Features an integrated soft-touch palm rest built directly into the keyboard body rather than offered as a detachable accessory.
  • Profile: Ultra-thin form factor designed to sit low and flat on a desk surface compared to traditional raised keyboards.
  • Dimensions: The keyboard measures approximately 3″ deep by 18″ wide by 8″ tall, making it a compact footprint for a full-size board.
  • Weight: Weighs approximately 2.31 pounds, which feels solid in use without being heavy or awkward to reposition.
  • Power Source: Powered entirely through the USB connection — no batteries are required and there is no charging cable to manage.
  • Compatible OS: Officially supports Windows 7, 8, 10, and 11; Mac and Chrome OS are not officially supported.
  • Color: Available in black with a matte finish across both the key deck and the integrated palm rest area.
  • Key Material: Keycap legends are laser-etched rather than pad-printed, which prevents the characters from wearing off with regular daily use.
  • Release Date: Originally launched in September 2008, the K740 has remained in continuous production for well over a decade.
  • Ratings: Holds a 4.6 out of 5 star rating based on approximately 5,900 customer ratings on Amazon as of the time of writing.
  • BSR Rank: Ranked #664 in the Computer Keyboards category on Amazon, reflecting sustained buyer interest across a competitive segment.

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FAQ

Not in any meaningful way. The K740 is built specifically for Windows, and while it may register as a basic USB keyboard on a Mac, you will run into key mapping issues and missing functionality right away. If you are on macOS, it is worth looking at keyboards designed with Apple compatibility in mind.

No — the Logitech K740 Illuminated Wired Keyboard is plug-and-play on Windows. Just connect the USB cable and it works immediately. You can optionally install Logitech's software if you want to customize the programmable function keys, but it is not required for standard use.

There is a dedicated brightness key on the keyboard that cycles through the available brightness levels manually. You do not need any software to control it — just tap the key until you land on the level that works for your environment.

This is actually one of the stronger points of the K740. The legends are laser-etched into the keycaps rather than printed on top, so there is no ink or coating to wear off. Long-term owners consistently report that the characters remain crisp even after years of heavy typing.

No, the palm rest is built into the keyboard body as one continuous unit. It cannot be detached or swapped out. For most desk typists this is actually convenient, but if you prefer a keyboard without an attached wrist pad, the design may not suit your preference.

The cable runs about 6 feet, which is sufficient for most standard desktop setups where the tower sits on the floor beside or beneath the desk. If your tower is positioned unusually far away, you may need a USB extension, but the vast majority of users find the cable length perfectly adequate.

No, the K740 uses a membrane-based PerfectStroke key system rather than mechanical switches. It is quieter and has a softer feel than a mechanical board, which some people strongly prefer for office use. If you are looking specifically for a mechanical typing experience, this is not the right pick.

It works fine through a powered USB hub in most cases. Since it draws power through USB rather than batteries, connecting through an unpowered hub occasionally causes issues, but a powered hub or a direct connection to your computer will be reliable.

Durability is one of the things long-term owners mention most often in reviews. The build quality is consistent with a premium keyboard, and many buyers report theirs still working well after three or more years of regular daily use. The wired connection also eliminates one common failure point — wireless components — that tends to degrade over time.

Just a single backlight color — there is no RGB, per-key color control, or lighting effects. The backlighting is practical rather than decorative, which is the right call for an office-focused keyboard. If customizable lighting is important to you, this board will feel limited compared to gaming-oriented alternatives.

Where to Buy

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Logitech K740 Illuminated Wired Keyboard
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