Today’s Dealmaster includes a $20 discount on Logitech’s MX Master 3, as Staples currently has the wireless mouse down to $80 when you use the code “91742” at checkout. Staples has run similar coupon sales a handful of times over the last few months, but either way, this matches the lowest price we’ve seen for our top pick among wireless office mice.
If you’re more interested in a wireless keyboard, you can also use this code to take $20 off Logitech’s MX Keys, which we recommended in our holiday gift guide late last year. This matches the best price we’ve tracked for that device as well. Just note that the code can only be applied once per order.

Elsewhere, our deals roundup has good prices on other recommended products such as HyperX’s Cloud Stinger gaming headset, Eufy’s Indoor Cam 2K, LG’s 55-inch BX OLED TV, Sony’s WH-1000XM4 noise-canceling headphones, and much more. You can check out the full list below.

Note: Ars Technica may earn compensation for sales from links on this post through affiliate programs.

Top 10 deals of the day

• Logitech MX Master 3 wireless mouse for $79.99 at Staples (use code: 91742—normally $100).
• Logitech MX Keys wireless keyboard for $79.99 at Staples (use code: 91742—normally $100).
• Eufy Indoor Cam 2K (2-pack) indoor security camera for $59.49 at Amazon (normally $70).
• HyperX Cloud Stinger wired gaming headset for $35.99 at Amazon (normally $45).
• 55-inch LG BX (2020 model) 4K HDR OLED TV for $1,096.99 at B&H (discount seen at checkout—normally $1,320).
• FastSnail Grips holders for Nintendo Switch Joy-Con for $10.44 at Amazon (clip 5% coupon—normally $13).
• Jabra Elite 65t true wireless earphones for $49.99 at Amazon and Best Buy (normally $75).
• Anker PowerExpand+ USB-C to HDMI adapter (4K@60Hz) for $10.99 at Amazon (normally $13).
• Sony WH-1000XM4 Bluetooth noise-canceling headphones for $278 at Amazon and Adorama (normally $321).
• Buy 2, get 1 free for various books, video games, toys, movies, and more at Amazon.

Laptop and desktop PC deals

• Apple MacBook Pro (late 2020) laptop—Apple M1, 13.3-inch 2560×1600, 8GB RAM, 256GB SSD for $1,149.99 at Amazon (discount seen at checkout—normally $1,299).
• Lenovo Chromebook Duet 2-in-1 tablet—MediaTek Helio P60T, 10.1-inch 1920×1200, 4GB RAM, 128GB eMMC for $249 at Best Buy (normally $299).
• Dell Inspiron Desktop desktop PC—Intel Core i5-10400, 8GB RAM, 256GB SSD for $399.99 at Dell (normally $550).
• Dell XPS Desktop Special Edition (8940) desktop PC—Intel Core i5-10400, 16GB RAM, 256GB SSD + 1TB HDD, GeForce GTX 1660 Ti for $729.99 at Dell (use code: DTXPSAFF323—normally $1,200).
• 27-inch Dell S2721D monitor—2560×1440, 75Hz, IPS, FreeSync for $199.99 at Dell and Amazon (normally $250).
• 27-inch LG 27GN800-B gaming monitor—2560×1440, 144Hz, IPS, FreeSync for $346.99 at Amazon (normally $385).
• 27-inch Gigabyte FI27Q gaming monitor—2560×1440, 165Hz, IPS, FreeSync for $459.99 at Amazon (normally $515).
• 32-inch Dell S3220DGF curved gaming monitor—2560×1440, 165Hz, VA, FreeSync for $379.99 at Dell (normally $435).
• SK Hynix Gold P31 (500GB) PCIe Gen 3 NVMe internal SSD for $67.49 at Amazon (clip 10% coupon—normally $75).
• SK Hynix Gold P31 (1TB) PCIe Gen 3 NVMe internal SSD for $121.49 at Amazon (clip 10% coupon—normally $135).
• Crucial P5 (500GB) PCIe Gen 3 NVMe internal SSD for $61.99 at Amazon (normally $72).
• Samsung 980 Pro (1TB) PCIe 4.0 NVMe internal SSD for $196.74 at Amazon (normally $230).

Video game deals

• Devil May Cry 5 Special Edition (PS5) for $29.99 at Amazon (normally $40).
• Immortals Fenyx Rising (PS5, PS4, Xbox, Switch) for $29.88 at Amazon (normally $40).
• Xbox Live Gold only: Watch Dogs: Legion (Xbox, digital) for $19.79 at Microsoft (normally $35).
• Stardew Valley (Xbox, digital) for $8.99 at Microsoft (normally $15).
• Resident Evil 2 (Xbox, digital) for $15.99 at Microsoft (normally $22).
• Resident Evil 2 (PS4) for $17.99 at Amazon (normally $22).
• Death Stranding (PS4) for $19.99 at GameStop (normally $30).
• The Last Guardian (PS4, digital) for $12.99 at PlayStation Store (normally $20).
• The Witcher 3: Wild Hunt – Game of the Year Edition (PC, digital) for $9.99 at Steam and GOG (normally $30).
• Max Payne 3 (PC, digital) for $6.99 at Steam (normally $20).
• Lonely Mountains: Downhill (PC, digital) for $13.39 at Steam (normally $20).

Gaming deals

TV and home entertainment deals

• New subscribers only: Peacock Premium 4-month membership for $9.99 at Peacock (normally $20).
• New subscribers only: YouTube Premium 3-month membership for free at Best Buy (normally $24).
• 55-inch LG BX (2020 model) 4K HDR OLED TV for $1,096.99 at B&H (discount seen at checkout—normally $1,320).
• 65-inch Sony A8H (2020 model) 4K HDR OLED TV for $1,998 at Amazon and B&H (normally $2,500).
• 75-inch Sony X800H (2020 model) 4K LED TV for $998 at Amazon, Walmart, and B&H (normally $1,230).
• 75-inch Sony X750H (2020 model) 4K LED TV for $898 at Amazon (normally $1,040).
• 55-inch Vizio MQ8-H1 (2020 model) 4K HDR LED TV for $498 at Amazon and Walmart (normally $550).
• 65-inch Vizio OLED-H1 (2020 model) 4K HDR OLED TV for $1,499.99 at Best Buy (normally $2,000).

Electronics deals

Smart home device deals

Accessories and miscellaneous deals

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