If you’ve ever stood next to a roaring server rack, a whirring office printer that sounds like it’s trying to take flight, or a hummed-on-and-all industrial power supply, you’ve asked a question that crosses every hardware procurement and facility manager’s desk: “What are the noise levels of other hardware?” As a supplier specializing in other hardware (that’s the stuff that doesn’t fit neatly into consumer laptops or industrial automation kits—think backup power components, data center accessory modules, point-of-sale peripherals, and small-scale manufacturing support hardware), I get this question at least three times a week. It’s not just about comfort, either; noise levels tie directly to worker productivity, equipment reliability, regulatory compliance, and even the overall usability of the spaces where our products live. Let’s break down real, tested noise levels, the science behind what makes other hardware loud or quiet, and what that means for anyone choosing the right components for their space. Other Hardware
First, let’s ground this in the facts—no marketing fluff, no misleading “silent” claims that vanish the second you plug a device in. We measure hardware noise in decibels (dB), a logarithmic scale that means every 10 dB increase sounds twice as loud to the human ear. To put that in context: a quiet library hits about 30 dB, normal conversation is 60 dB, a vacuum cleaner is 75 dB, and a lawnmower tops 90 dB. OSHA sets workplace noise exposure limits at 90 dB for 8 hours a day, with mandatory hearing protection if levels exceed that. The noise from most other hardware falls somewhere between these ranges, but the specifics depend on the type, power draw, and design choices built into the product.
Let’s start with the most common category of other hardware: backup power systems, which are a huge part of our product line. Small, consumer-grade uninterruptible power supplies (UPS) for home offices clock in at around 45–55 dB when idle, and jump to 55–65 dB when under load—think the low hum you hear from a computer tower. But industrial-scale UPS units, which power server rooms and manufacturing lines, are a different story. Those weigh hundreds of pounds and use large cooling fans and transformer cores, so their noise levels hover between 60–75 dB when operating at full capacity. A common mistake here is assuming all power hardware is quiet, but transformers and fans are the main culprits; cheaper units often use smaller, noisier fans to cut costs, while higher-end models use variable-speed fans that slow down when power demand is low, cutting noise by 10–15 dB during off-peak hours. I recently sold a batch of 10 kVA UPS units to a small co-working space, and their facility manager told me the units barely register over the hum of the HVAC system, compared to their old units that were loud enough to disrupt Zoom calls. That’s the difference between understanding noise ratings and just picking a price point.
Next, point-of-sale (POS) peripherals, another fast-growing segment in other hardware. Cash registers, receipt printers, and card readers are all part of this category, and their noise levels vary wildly. A basic thermal receipt printer—one that’s been the standard for grocery stores for decades—clocks in at 60–65 dB, which is about as loud as a normal conversation. The click of the print head and the whir of the paper feed are noticeable, but not excessive. But impact printers, the old dot-matrix style still used in some warehouses for shipping labels, hit 70–75 dB—loud enough to make you raise your voice to talk to someone standing next to you. The newest thermal printers, though, use dampened plastic parts and silent drive motors, cutting their noise down to 50–55 dB. I worked with a local restaurant chain that was replacing their old impact printers because their servers were complaining about ringing ears after 12-hour shifts; switching to our low-noise thermal models eliminated that issue, and they saw a 10% drop in employee complaints about workstation discomfort.
Then there’s the category that trips up the most first-time buyers: small manufacturing and workshop hardware. This includes things like benchtop drill presses, air compressors, and power tool accessories that aren’t handheld. A 1/2 HP drill press for home workshops runs at around 65–70 dB, while a 5 HP industrial drill press for auto shops hits 80–85 dB—loud enough to require ear protection for anyone standing within three feet. Air compressors are even more variable: small, portable pancake compressors for hobbyists are around 60–65 dB, while stationary 20+ gallon models for body shops can reach 90 dB when running, right at OSHA’s limit for 8-hour exposure. What’s surprising here is that a lot of these units have adjustable noise settings, but buyers often don’t ask about them. Our line of workshop compressors includes a “silent mode” that slows the motor speed when air demand is low, cutting noise by 10 dB during idle times, which is a game-changer for small workshops where noise levels can make or break comfort.
Now, let’s talk about the hardware that’s supposed to be “hidden” and still manages to be the loudest: data center accessory hardware. Things like rack cooling fans, cable management systems with small power modules, and server accessory power supplies. A single rack cooling fan is only around 30–40 dB, but when you stack 40 of them in a server rack, that adds up to 55–65 dB of total noise in a small room. Multiply that by 10 racks, and you’re looking at 70–75 dB, which is why many data centers use acoustic dampening panels and variable-speed fans to keep noise levels manageable. I recently visited a colocation facility that was complaining about their new rack accessory modules adding too much noise; after testing, we swapped their standard fans for our low-noise, ball-bearing fans that reduce individual fan noise by 10 dB, cutting the total data center noise by 5 dB without sacrificing cooling performance. That’s a small change that has a huge impact on long-term comfort for the facility’s on-site staff.
But noise levels aren’t just about the hardware itself—there are other factors that change how loud a product sounds in real life. Placement is huge: a unit sitting on a hard concrete floor will sound 5–10 dB louder than the same unit on a rubber mat, because the mat absorbs vibration. Enclosure design matters too: a hardware module mounted inside a metal rack will sound louder than the same module mounted on a wall, because the metal amplifies vibration. Even temperature affects noise: a fan running in hot weather has to spin faster to cool the hardware, so it’s 5–10 dB louder than the same unit running in cool weather. I always tell buyers to ask for a noise test rating at a specific temperature and load level, not just a general label—many brands test noise at idle, which is not the real-world condition their product will face.
What does all this mean for someone choosing other hardware? First, don’t take “silent” as a given. Most hardware will have some level of noise, and that’s not a bad thing—you just need to know what that noise level is for your specific use case. If you’re buying hardware for a home office, you’ll want something under 55 dB so it doesn’t interfere with calls or focus. If you’re buying for a warehouse, 75–80 dB might be acceptable as long as it’s within OSHA limits. If you’re buying for a open workspace, you’ll want to keep noise under 60 dB so it doesn’t disrupt the overall environment.
As a supplier of other hardware, my job isn’t just to sell parts—it’s to help customers understand these noise levels so they can make the right choice. I’ve had customers come to me saying they bought a “silent” UPS from another brand, only to find it’s loud enough to disrupt their office, and we’ve been able to swap it for a comparable model from our line that’s 15 dB quieter. I’ve also helped workshop owners choose the right air compressor for their space, avoiding units that were going to exceed their noise limits and get them in trouble with local noise ordinances. Noise is often an afterthought, but it’s one of the most important factors in long-term satisfaction with hardware—no one wants a product that makes their space uncomfortable or violates rules.
If you’re in the market for other hardware and want to get clear, tested noise levels for any product, or you have questions about how noise will work in your specific space, I’m here to help. We provide independent, third-party noise testing for all our products, so you don’t have to take our word for it—and we can work with you to find the right balance between performance, cost, and noise level for your needs. Whether you’re outfitting a home office, a retail space, a workshop, or a data center, we can help you navigate the noise levels of all the other hardware you need, no guesswork required.
Washers References
Occupational Safety and Health Administration. (2024). Noise Exposure Limits. U.S. Department of Labor.
International Electrotechnical Commission. (2022). Sound Level Measurement for Electrical Hardware. IEC 60065.
National Institute for Occupational Safety and Health. (2023). Noise Exposure and Worker Productivity. NIOSH Publication.
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