Black Friday 2026 tech buying guide: how to tell a bargain from a December regret

A NAS (a network storage box) on sale looks like a bargain until you add the drives it needs. A Dutch price tracker recorded the WD Red Plus 8 TB (a drive for these boxes) at €186.90 on 1 November 2025 and at €375.00 on 1 September 2026, about double for the same model. A NAS is unusable without hard drives, which are almost always sold separately. Many electronics products depend on components vital to their operation, and it's the prices of these components that have soared over the past year.

A Black Friday 2026 tech buying guide that stops at the discount percentage misses where the money goes. A bargain is a price you're still glad about in December, once you've counted the full cost of the purchase and checked the exact version you're buying. You might regret the purchase in December if the saving covered only one part of the cost or you bought the wrong version of the product.

Three checks cover the nine mistakes that follow:

• Count the whole purchase. A NAS needs drives, a printer needs ink and a racing wheel needs pedals, so the price of one item rarely tells you what the whole purchase will cost.
• Check what you'll pay per unit. The cost per mirrored terabyte, usable kilowatt-hour, printed page or hour of reading tells you more than the discount percentage.
• Check the exact version. Find out which radios a Wi-Fi 7 router has, which product family a headset belongs to and how many battery cycles a phone's EU label lists. Those details tell you what you're getting.

Black Friday arrives on 27 November 2026; Cyber Monday is three days later, on 30 November. The 2025 offers below have expired. Each covers one product in one market, and the prices are not targets for this year or EU averages. Notes on refurbished tech and on refurbed's Green Friday follow the nine mistakes.

Beyond the storage and processor specifications that a listing gives you, EU smartphone labels give you standardised figures for battery performance, resistance to drops and repairability. Two established phones show what else you can learn from the label. According to their EU energy information and product records, the iPhone 16 (A3287) and the Samsung Galaxy A56 5G (SM-A566B/DS) both have an energy-efficiency class of B. But their other declared figures differ:

• Battery life per charge: In the standardised test, the iPhone 16 lasts 37 hours on a charge and the Galaxy A56 5G lasts 44 hours 34 minutes, so the A56 lasts about 20.5% longer.
• Battery cycles: The declared figures are at least 1,000 cycles for the iPhone 16 and 2,000 cycles for the Galaxy A56 5G.
• Drops: The iPhone 16 is in reliability class C, with at least 90 declared falls without a defect; the Galaxy A56 5G is in class A, with 270 falls without a defect.
• Repairability: Both phones are in repairability class C.

Energy class, runtime, drop resistance and repairability measure different things. This comparison does not show which phone has better cameras, runs faster, has better software or would be better to own overall. A declared cycle count does not promise twice as many useful years, either.

The cycle figure tells you how many charge cycles the battery completes in the standardised test while retaining at least 80% of its capacity. A full equivalent cycle can build up over several partial charges, so plugging in the phone once does not necessarily use a whole cycle. For phones placed on the EU market from 20 June 2025, ecodesign rules require batteries to retain at least 80% of their capacity through a minimum of 800 cycles. The declared 1,000 and 2,000 cycles both exceed that legal minimum. The rules also set out seven years of spare-parts availability after the end of sales and at least five years of operating-system updates after the last unit of a model is placed on the market. Those periods are useful reference points, but neither begins on the date an individual customer buys their phone.

The figures on the EU label describe the phone model when it is new. If you plan to keep a discounted phone for years, read the whole label. If you check only the energy class, you could miss differences that matter more than a small cash saving.

A NAS, short for network-attached storage, is a small home server for your files, and it arrives empty. The sale price covers the enclosure, while the drives that make it useful cost extra. On 28 November 2025, Amazon Germany listed the UGREEN NASync DXP2800, an enclosure with two SATA bays, two M.2 slots and a 2.5 GbE port, at €269.99. The same retailer listed the WD Elements Desktop 20 TB, a complete external USB drive, at €330, which works out at €16.50 per advertised terabyte.

The two products answer different needs. The external drive gives you local storage. The NAS holds the drives you install and lets you access them over a network. You cannot work out the NAS's cost per terabyte by dividing the enclosure price by the maximum capacity it supports. Mirroring also shrinks the space you get: two equal 8 TB drives in a mirrored setup (RAID 1) give about 8 TB of usable space, about 7.28 TiB before formatting and overhead, not 16 TB. Mirroring is not a backup, either.

Two example calculations show where the money goes. Both use a €270 enclosure and two 8 TB drives, but neither is a bundle that was offered:

• Lower drive price: Two drives at €187 each bring the total to €644, or €80.50 per mirrored terabyte.
• Higher drive price: Two drives at €375 each bring the total to €1,020, or €127.50 per mirrored terabyte.

A 20% cut on the enclosure saves €54, while the two drive scenarios differ by €376. Running costs matter too. If two always-on systems differ by 10 W in average power draw, the difference adds up to 87.6 kWh a year. At a hypothetical €0.25 per kWh, that costs €21.90 a year or €109.50 over five years. That tariff is an illustration, not an estimate for any EU country.

Price the finished system: enclosure, drives, mirrored capacity and running cost. If you only need to archive files and do not need network access, a plain external drive can be the less expensive route.

A Romanian retailer's Black Friday catalogue on 7 November 2025 listed a single TP-Link Archer BE220 router at RON 169.99, a three-node TP-Link Deco X50 mesh kit at RON 549.99 and a single ASUS RT-BE86U router at RON 999.99. These are advertised offers in lei, not EU averages. The kit works out at RON 183.33 per node, so comparing its total price with that of a single router overlooks the extra nodes.

A bigger trap lies in the Wi-Fi 7 label. Two established TP-Link mesh products show why. According to its French specification, the Deco BE25 is a Wi-Fi 7 model with 2.4 GHz and 5 GHz radios, an advertised combined radio rate of about 3.6 Gbit/s and two 2.5 GbE ports per unit. It has no 6 GHz radio, so it cannot use 320 MHz channels. By contrast, the Deco BE65's European V1 specification lists a 6 GHz radio that supports 320 MHz channels on that band. Its advertised combined radio rate is about 9.2 Gbit/s, and each unit has four 2.5 GbE ports.

The advertised 9.2 Gbit/s combines radio rates of 5,760 Mbit/s at 6 GHz, 2,880 Mbit/s at 5 GHz and 574 Mbit/s at 2.4 GHz. A single device will not necessarily receive that combined rate. Both products also have 2.5 GbE ports, each of which has a theoretical transfer rate of 312.5 MB/s before overhead. Spending more on radios cannot turn one wired 2.5 GbE link into a 10 GbE link.

Three separate needs call for three different purchases:

• Coverage: More well-placed nodes, or a wired link between them, can fix weak spots in your home.
• A crowded wireless environment: The 6 GHz band can help, provided your devices support it.
• Fast transfers to a wired network-attached storage (NAS) device: The network switch and computer also need to be fast enough, not just the Wi-Fi hardware.

Compare a product's radios and hardware version, not just its Wi-Fi generation name.

A campaign in France, sponsored by a manufacturer and published on 24 November 2025, advertised two EcoFlow portable power stations. The RIVER 3 Max cost €349 for 572 Wh of nominal capacity and 600 W of continuous AC output, or €610 per nominal kWh. The DELTA 3 Plus cost €649 for 1,024 Wh and 1,800 W, or €634 per nominal kWh. These are campaign offers, not independently verified market lows. The larger unit costs more per kWh but gives three times the continuous output, so neither price per Wh nor output alone tells you which is the better buy.

Nominal capacity is the number on the label, and published tests report less. With the DELTA 3 Plus priced at €649, its cost per kWh of battery capacity (not the price of electricity) depends on which capacity figure you use:

• Manufacturer's nominal capacity: EcoFlow lists 1,024 Wh, which puts the cost at €634 per kWh.
• ADAC's measured AC capacity: ADAC measured 935 Wh of AC capacity, which is 91.3% of nominal and puts the cost at €694 per kWh.
• COMPUTER BILD's measured usable capacity: COMPUTER BILD measured 887 Wh of usable capacity, which is 86.6% of nominal and puts the cost at €732 per kWh.

The two test results are separate observations, not a guarantee that usable capacity will fall between them. Load, output connection and test conditions can all change the result.

Boost power is a separate specification. For the European versions, EcoFlow specifies 600 W of rated output and 1,200 W of X-Boost for the RIVER 3 system. For the DELTA 3 Plus, it specifies 1,800 W of rated output and 2,400 W of X-Boost at 230 V. A boost figure is not continuous power, and it adds no battery capacity. Solar charging differs too: the DELTA 3 Plus accepts 1,000 W of solar input, while the standard DELTA 3 accepts 500 W. The higher solar input matters only if your panels can supply that much power and you can make use of the faster charging. Both have a nominal capacity of 1,024 Wh.

To run an appliance, you need enough continuous output and enough energy for the hours it runs. Compare measured usable capacity in Wh, continuous output in watts and the charging hardware for the exact model. The lowest-priced unit may be the wrong size for your needs, and the highest quoted wattage may be boost power rather than continuous output.

German reports on the Bambu Lab campaign that started on 28 October 2025 listed the A1 mini at €179, the A1 mini Combo at €289, the A1 Combo at €349, the P1S at €369 and the H2D Combo at €1,899. The AMS lite multicolour system was sold separately for €179. Both A1-family Combo models include the AMS lite. The promotion did not include the newest P2S and H2S.

Add up the parts before you compare prices. An A1 mini and a separate AMS lite cost €358 together, so buying the €289 Combo saved €69 before accounting for any difference in delivery charges.

Build volume is the second number to check. The A1 mini has a nominal build volume of 180 × 180 × 180 mm, or 5.83 litres. The A1 has a nominal build volume of 256 × 256 × 256 mm, or 16.78 litres. The larger printer's Combo cost €60 more than the smaller printer's Combo, about 20.8% more, and gave you about 2.88 times as much nominal build volume. That helps mainly if your parts are large: extra volume adds little when everything you print fits in 180 mm. A printer's build volume is not its footprint: you also need room for its moving parts and the spool system, plus space to reach the printer.

Accessories can add to the bill. Material feeders, dryers and connection kits have their own compatibility and power requirements. The price of an AMS-family system may not include the hub, cables or adapter that a particular printer needs. Compatibility can also depend on firmware, so a setup that worked at launch may not work with every later configuration.

Compare the cost of getting each printing system working with the cost of expanding it later, including every part the upgrade needs. The 2025 prices don't guarantee you'll see those prices again, and they don't tell you whether an older model is still the best choice today.

On 21 November 2025, a French Amazon offer put the Epson EcoTank ET-2862 at €159.99. That hardware price tells you little about the cost of printing once the ink in the box runs out.

Prices from the manufacturers’ stores for Irish customers, checked on 23 October 2026, show the gap. These are reference prices before delivery charges or optional discounts, not Black Friday offers. The two consumables below belong to different printer families, so they are not interchangeable:

• Epson 104 black bottle: It costs €12.49 and is rated for up to 4,500 pages. At that yield, the ink costs about 0.28 euro cents per page, or €2.78 per 1,000 pages.
• Canon PG-545XL black cartridge: It costs €28.99 and is rated for up to 400 pages. At that yield, the ink costs about 7.25 euro cents per page, or €72.48 per 1,000 pages.

The refill cost per page differs by about 26 to one. That comparison covers these two consumables at their rated yields, not every Canon or Epson printer or the full cost of printing. Actual page yields depend on how much of each page is covered in ink, printer cleaning and how you use the printer. The comparison leaves out colour ink, paper, the ink supplied with the printer and maintenance.

Next, work out how many pages it takes to recover the extra cost of the printer. Suppose a suitable tank printer costs €100 more than a suitable cartridge printer. At the rates above, you earn that back after about 1,435 pages printed in black ink, ignoring the ink supplied with each printer. At 50 pages a month, that takes about 2.4 years. At 300 pages a month, it takes about 4.8 months.

The same tank-printer offer suits someone who prints often but is unnecessary for someone who prints only the occasional ticket. An advertised number of years of ink also depends on an assumption about how many pages you print. Judge a tank-printer deal by how many pages you expect to print over the printer’s lifetime. Low refill costs can make it a good purchase even when printers are not heavily discounted.

Three e-reader offers from 2025 show a range of prices and discounts. The Kobo Libra Colour cost €209.99 at Fnac in France on 17 November 2025, compared with an advertised price of €239.99. The Kindle Colorsoft with 16 GB cost €179.99 at Amazon in Italy on 1 December 2025. From 24 November to 24 December 2025, a Kobo campaign in France took €50 off the Elipsa 2E. These are individual offers; they do not represent the average discount on e-readers.

Check what you will read before you pay for colour. The Kobo Libra Colour has a seven-inch screen. Kobo quotes 300 pixels per inch for black-and-white content and 150 for colour content, so the higher figure does not apply to colour pages. Colour can help if you annotate and organise books. Screen size and colour resolution affect how easily you can read small text in comics and image-heavy documents, so check how your own files look. A colour e-reader with a small screen cannot offer the space of a large tablet or recreate the look of a printed page.

Battery life also depends on how you read. Kobo quotes up to 40 days for the Libra Colour, based on 30 minutes of reading a day with the front light at 30% and Wi-Fi and Bluetooth off. That is 20 hours of reading across 40 days, plus standby, not 960 hours of continuous reading. The storage claim also depends on file size: the 32 GB version is marketed as holding about 24,000 e-books or 150 Kobo audiobooks under the maker's file-size assumptions, so extra capacity matters only if your library needs the space.

Judge an e-reader offer by what you plan to read. A smaller discount on an e-reader with the right screen or support for your library's format can serve you better than paying for colour or storage that adds little.

A Fnac promotion in France on 27 November 2025 listed two Meta Quest 3S versions. The 128 GB headset cost €249.99, compared with an advertised price of €329.99. The 256 GB headset cost €369.99, compared with an advertised price of €439.99. The larger version cost €120 more, a 48% premium, for twice the storage.

Paying for that extra storage did not get you a Quest 3, which has a higher display resolution. In the manufacturer's device comparison, both the Quest 3S and Quest 3 use the Snapdragon XR2 Gen 2 chip and 8 GB of RAM. The Quest 3S has a display resolution of 1,832 × 1,920 per eye, or about 3.52 million pixels. The Quest 3 has 2,064 × 2,208 per eye, or about 4.56 million pixels. The Quest 3 has about 29.6% more display pixels per eye. Its horizontal field of view is 110 degrees, compared with 96 degrees for the lower-resolution model.

Pixel count cannot tell you how good a headset is overall, but it reveals a difference that a product title focused on storage can hide. The 256 GB Quest 3S adds storage within the 3S family, but it does not offer the higher display resolution.

When the larger-storage version on sale costs much more than the smaller one, compare it with the next headset family up, too. Ask whether you need more storage to install the games you want, better display hardware, or both. Those prices show how the headsets compared in 2025; they are not prices to aim for in November 2026.

Fanatec's European Black Friday campaign began on 25 November 2025. The CSL DD QR2 5 Nm cost €299.95 (€50 off), the CSL DD QR2 8 Nm cost €399.95 (€50 off), and the ClubSport DD cost €599.95 (€200 off). The ClubSport DD+ cost €799.95 (€200 off), while the Podium DD2 QR2 cost €999.95 (€500 off). Each discount is against Fanatec's published comparison price.

The pricier CSL version cost €100 more and offered 8 Nm of rated maximum torque rather than 5 Nm. Its torque rating was 60% higher, while its price was about 33.3% higher than that of the lower-torque base. That extra torque does not guarantee a matching improvement in the driving experience.

A wheel base alone isn't a complete setup. European reports on the 2025 campaign listed the MOZA R5 Racing Bundle at €439. It included a 5.5 Nm base, an ES steering wheel, SR-P Lite pedals and a table clamp. The €299.95 wheel base was not a complete kit at a lower price.

Check console compatibility, too. In Fanatec's system, Xbox compatibility depends on an appropriately licensed steering wheel, while PlayStation compatibility requires a suitable wheel base. The regular CSL DD isn't PlayStation-compatible, and the QR1 and QR2 quick-release systems are not interchangeable.

On 23 October 2026, the same MOZA R5 bundle was listed at €399 on MOZA's EU site, €40 below the Black Friday 2025 offer. Two dated listings aren't a complete price history, but they show that a Black Friday price isn't always the lowest. Include both the complete working setup and, if you play on a console, the console in your budget.

Does a NAS discount lower the cost of the whole system?

Only by the amount of the discount: the drives are a separate cost. With a €270 enclosure and two 8 TB drives in a mirrored setup, the hardware comes to €80.50 per usable terabyte when each drive costs €187, and €127.50 when each costs €375. Work out the price per usable terabyte from the cost of the enclosure and drives.

How do I compare power stations with different battery sizes?

Compare usable energy, not just the capacity on the label. The EcoFlow DELTA 3 Plus is rated at 1,024 Wh, but ADAC measured 935 Wh and COMPUTER BILD measured 887 Wh. At €649, that means €694 per kWh based on ADAC's result, or €732 per kWh based on COMPUTER BILD's. Also check its continuous output against your appliance.

Is an ink tank printer worth it for occasional printing?

Usually not. If a tank printer costs €100 more than a cartridge printer, you'd recover the difference after about 1,435 pages printed in black ink at the refill prices above. That takes about 2.4 years at 50 pages a month, or about 4.8 months at 300 pages a month. If you print only occasionally, you're unlikely to reach that number.

Does Wi-Fi 7 mean a router has a 6 GHz radio?

No. The TP-Link Deco BE25 is Wi-Fi 7 with 2.4 and 5 GHz radios only, while the Deco BE65 adds a 6 GHz radio. Check the radio bands and the hardware version in the specification, then decide whether the router meets your coverage needs and works with your devices and wired connections.

Does an EU battery label apply to a refurbished phone?

No, not directly. The label describes the model as a new product, so it does not show how much capacity one refurbished unit has left. Check that unit's battery. On refurbed, smartphones have at least 85% of their original battery capacity.

Can manufacturer-refurbished gear cost less than new before Black Friday?

Yes, in one documented case. On 23 October 2026, a maker's EU listings priced its manufacturer-refurbished MOZA R5 Racing Bundle at €279 and a new one at €399. Compare the same bundle, check what comes with the refurbished one and read the shipping terms.