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The best surge protector for computer use guards the machine, the monitor and the desk gear behind a strip, so a spike on the line never reaches the hardware. The strips here range from a compact bar to a wide strip with room for a whole desk, with USB charging built in on most of them. This guide compares joules, outlets, USB ports, cord length, safety listings and warranty terms.
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Quick picks
Best Overall QINLIANF 24-Outlet Strip: 24 outlets, 4 USB ports, 4100 joules and ETL listing. Check price on Amazon
Best Warranty Tripp Lite TLP606B: 900 joules, UL 1363 and 1449 listing and a lifetime limited warranty. Check price on Amazon
Most Ports JouleLoom 17-in-1 Strip: 11 AC outlets and 6 USB ports with ETL certification and a 12-month replacement. Check price on Amazon
Dual Certified Pick Addtam 6-Outlet Strip: 900 joules, ETL safety certified with UL certified major components. Check price on Amazon
2100-Joule Pick TESSAN 10-in-1 Strip: 2100 joules, 6 outlets and 4 USB ports on a 5 foot cord. Check price on Amazon
The kits we chose
| # | Product | Solar Score | Buy |
|---|---|---|---|
| 1 | QINLIANF 24-Outlet Strip | 9.7/10 | Buy on Amazon |
| 2 | Tripp Lite TLP606B | 9.6/10 | Buy on Amazon |
| 3 | JouleLoom 17-in-1 Strip | 9.6/10 | Buy on Amazon |
| 4 | Addtam 6-Outlet Strip | 9.5/10 | Buy on Amazon |
| 5 | TESSAN 10-in-1 Strip | 9.4/10 | Buy on Amazon |
QINLIANF 24-Outlet Strip
A 24-outlet strip with 4 USB ports, 4100 joules of surge protection, a 6 foot flat plug cord and ETL listing for a computer desk.
Pros
- 4100 joules of surge protection
- 24 AC outlets with room for a whole desk of gear
- 4 USB ports with USB-C charging at 3A Max
- ETL listed with overload and over-current protection
Cons
- 8.5 by 3.4 by 1.2 inches, needs a wide desk space
- USB-C port does not support devices needing 9 to 22V charging voltage
- 12-month warranty, shorter than the lifetime limited warranty on the Tripp Lite
- 6 foot cord suits a desk, not a far wall outlet
Detailed Review
QINLIANF's strip gives 24 AC outlets and 4 USB ports on a 6 foot flat plug cord, with 4100 joules of surge protection and overload protection. Each USB-A port gives 2.4A Max and the USB-C port gives 3A Max, and the Protected indicator light shows when devices are protected. It is ETL listed, with an over-current protection switch and a fire-resistance PC shell, and it measures 8.5 by 3.4 by 1.2 inches with a 12-month warranty.
Who it's for: computer desk owners who want 24 outlets and 4100 joules. Who should skip it: anyone who wants a compact strip for a small desk.
Its Solar Score of 9.7/10 comes from performance 32/35, build 21/25, value 20/25, safety 7/10 and warranty 3/5: 83 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Joules | 4100 |
|---|---|
| Outlets | 24 AC, 4 USB |
| Cord | 6 ft flat plug |
| Listing | ETL |
Taken from the seller's listing on 15 November 2026. Capacity and output figures are rated by the manufacturer.
Safety and Warranty
What this listing states. ETL listed; overload and over-current protection, so safety scores 7 of 10. 12-month warranty. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 3 of 5. See How We Pick.
Follow the manual. Connect and use the product as the maker describes, stay within every stated rating, and read the manual before first use.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
Tripp Lite TLP606B
A 6-outlet strip with 900 joules, UL 1363 and 1449 listing, EMI/RFI filtering and a lifetime limited warranty for a computer desk.
Pros
- UL Certified to 1363 and 1449
- Lifetime limited warranty
- 15A resettable breaker cuts power if protection fails
- EMI/RFI filtering for line noise
Cons
- 900 joules, the lowest figure here
- 6 outlets with no USB ports
- 6 foot cord suits a desk, not a far wall outlet
- Phones and tablets need a separate charger, since there are no USB ports
Detailed Review
Tripp Lite's TLP606B gives 6 outlets and 900 joules of surge protection on a 6 foot cord, with a lighted on/off switch, a 15A resettable breaker and a diagnostic LED that confirms protection. It is UL Certified to 1363 and 1449, filters EMI and RFI line noise, and uses a fire-retardant ABS housing with rear keyhole mounting slots. It weighs 1.05 lb, measures 6.0 by 1.65 by 1.26 inches and carries a lifetime limited warranty.
Who it's for: computer owners who want a UL-listed strip with a lifetime limited warranty. Who should skip it: anyone who needs USB charging on the strip.
Its Solar Score of 9.6/10 comes from performance 24/35, build 21/25, value 20/25, safety 8/10 and warranty 4/5: 77 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Joules | 900 |
|---|---|
| Outlets | 6 |
| Breaker | 15A resettable |
| Listing | UL 1363, 1449 |
Taken from the seller's listing on 15 November 2026. Capacity and output figures are rated by the manufacturer.
Safety and Warranty
What this listing states. UL Certified 1363 and 1449; 15A resettable breaker; diagnostic LED, so safety scores 8 of 10. Lifetime Limited Manufacturer's Warranty. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 4 of 5. See How We Pick.
Follow the manual. Connect and use the product as the maker describes, stay within every stated rating, and read the manual before first use.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
JouleLoom 17-in-1 Strip
A 17-in-1 strip with 11 AC outlets and 6 USB ports, 1250 watts at 10 amps, a 6 foot flat plug cord and ETL certification.
Pros
- 11 AC outlets and 6 USB ports in one strip
- 1250 watts at 10 amps
- ETL certified with an 8-point safety system
- Outlets spaced 1.2 inches apart for wide plugs
Cons
- 1250 watts at 10 amps limits the total load
- 12-month replacement, shorter than the lifetime limited warranty on the Tripp Lite
- 6.5 by 4.3 by 1 inches, a wide body for a small desk
- USB charging tops out at 12W per port
Detailed Review
JouleLoom's 17-in-1 strip gives 11 AC outlets and 6 USB ports on a 6 foot cord, rated at 1250 watts and 10 amps. The outlets sit 1.2 inches apart, the 4 USB-A and 2 USB-C ports give up to 12W at 2.4A, and the flat plug is 0.7 inches thick at a 45-degree angle. It is ETL certified with an 8-point safety system, overload protection and an auto-trip switch, and it measures 6.5 by 4.3 by 1 inches with a 12-month replacement.
Who it's for: desk owners who want the most USB ports here, with 6 in one strip. Who should skip it: anyone who shops by joules alone.
Its Solar Score of 9.6/10 comes from performance 28/35, build 20/25, value 20/25, safety 7/10 and warranty 3/5: 78 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Outlets | 11 AC, 6 USB |
|---|---|
| Power | 1250W, 10A |
| Cord | 6 ft flat plug |
| Listing | ETL |
Taken from the seller's listing on 15 November 2026. Capacity and output figures are rated by the manufacturer.
Safety and Warranty
What this listing states. ETL certified; 8-point safety system with overload protection, so safety scores 7 of 10. 12-month replacement. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 3 of 5. See How We Pick.
Follow the manual. Connect and use the product as the maker describes, stay within every stated rating, and read the manual before first use.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
Addtam 6-Outlet Strip
A 10-in-1 strip with 6 AC outlets and 4 USB ports, 900 joules, ETL safety certification and a 5 foot flat plug cord.
Pros
- ETL safety certified, with major components certified by UL
- Surge, overload, short-circuit and over-current protection
- 6 AC outlets at 15A and 1875W with 4 USB ports
- ON/OFF switch shuts off when power exceeds the rated value
Cons
- 900 joules, the lowest figure here
- No warranty term is stated
- 5 foot cord, shorter than the 6 foot cords here
- USB-C charging at 5V and 3A only
Detailed Review
Addtam's strip gives 6 AC surge protector outlets at 15A and 1875W with 4 USB ports, on a 5 foot cord with a 0.35-inch flat plug at a 45-degree angle. The USB-C ports charge at 5V and 3A and the USB-A ports at 5V and 2.4A. It is ETL safety certified with major components certified by UL, and it carries surge, overload, short-circuit and over-current protection with an ON/OFF switch that shuts off when power exceeds the rated value.
Who it's for: desk owners who want dual ETL and UL certification on a slim strip. Who should skip it: anyone who needs more than 900 joules.
Its Solar Score of 9.5/10 comes from performance 24/35, build 20/25, value 20/25, safety 7/10 and warranty 0/5: 71 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Joules | 900 |
|---|---|
| Outlets | 6 AC, 4 USB |
| Power | 15A, 1875W |
| Listing | ETL, UL components |
Taken from the seller's listing on 15 November 2026. Capacity and output figures are rated by the manufacturer.
Safety and Warranty
What this listing states. ETL safety certified; major components certified by UL; overload, short-circuit and over-current protection, so safety scores 7 of 10. No warranty term, so warranty scores zero. See How We Pick.
Follow the manual. Connect and use the product as the maker describes, stay within every stated rating, and read the manual before first use.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
TESSAN 10-in-1 Strip
A 10-in-1 strip with 6 AC outlets and 4 USB ports, 2100 joules of surge protection and a 5 foot flat plug cord.
Pros
- 2100 joules of surge protection
- 6 AC outlets and 4 USB ports for up to 10 devices
- USB-C2 PD 20W Max and USB-C1 15W Max
- 2 mounting holes and 4 rubber feet
Cons
- 2100 joules, below the 4100 joules of the QINLIANF
- 5 foot cord, shorter than the 6 foot cords here
- No warranty term is stated
- 4.65 by 4.65 by 1.1 inches, a square body for a narrow desk
Detailed Review
TESSAN's strip gives 6 AC outlets and 4 USB ports on a 5 foot cord, with 2100 joules of surge protection for computers and desk accessories. USB-C2 gives PD 20W Max, USB-C1 gives 15W Max and each USB-A port gives 12W Max, for up to 10 devices at once. The 0.35-inch flat plug sits at a 45-degree angle, and the strip has 2 mounting holes and 4 rubber feet. It measures 4.65 by 4.65 by 1.1 inches.
Who it's for: desk owners who want 2100 joules with fast USB-C charging. Who should skip it: anyone who wants a safety listing on the strip.
Its Solar Score of 9.4/10 comes from performance 27/35, build 20/25, value 20/25, safety 0/10 and warranty 0/5: 67 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Joules | 2100 |
|---|---|
| Outlets | 6 AC, 4 USB |
| USB | USB-C2 PD 20W, USB-C1 15W |
| Cord | 5 ft flat plug |
Taken from the seller's listing on 15 November 2026. Capacity and output figures are rated by the manufacturer.
Safety and Warranty
What this listing states. No safety listing, protection or rating is stated, so safety scores zero. No warranty term, so warranty scores zero. See How We Pick.
Follow the manual. Connect and use the product as the maker describes, stay within every stated rating, and read the manual before first use.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
As an Amazon Associate I earn from qualifying purchases.
More picks to compare
Belkin 12-Outlet Surge Strip12 AC outlets with an 8 foot flat plug cord and a 2-year warranty.Check on Amazon
POWSAV 18-Outlet Power Strip18 outlets and 4 USB ports with 2100 joules on a 6 foot cord.Check on Amazon
SUPERDANNY 22-Outlet Strip22 outlets and 6 USB ports with 2100 joules, 6.5 foot cord.Check on Amazon
Belkin Rotating Outlet Strip12 AC outlets with rotating outlets, 4320 joules and an 8 foot cord.Check on Amazon
Green Box RGB Gaming Strip6 outlets with RGB lighting, 4000 joules and PD 20W fast charging.Check on Amazon
Numbers side by side
| Strip | Solar Score | Joules | AC outlets | USB ports | Cord | Listing | Warranty | Amazon |
|---|---|---|---|---|---|---|---|---|
| QINLIANF 24-Outlet Strip | 9.7/10 | 4100 | 24 | 4 | 6 ft | ETL | 12-month warranty | View on Amazon |
| Tripp Lite TLP606B | 9.6/10 | 900 | 6 | None | 6 ft | UL 1363, 1449 | Lifetime limited | View on Amazon |
| JouleLoom 17-in-1 Strip | 9.6/10 | Not stated | 11 | 6 | 6 ft | ETL | 12-month replacement | View on Amazon |
| Addtam 6-Outlet Strip | 9.5/10 | 900 | 6 | 4 | 5 ft | ETL, UL | Not stated | View on Amazon |
| TESSAN 10-in-1 Strip | 9.4/10 | 2100 | 6 | 4 | 5 ft | Not stated | Not stated | View on Amazon |
These specs are rated by the maker and quoted from each listing on 15 November 2026.
Where the points went
The Solar Score weighs performance, build, value, safety and warranty. For a surge protector, safety means ETL or UL listings and overload, short-circuit and over-current protections the maker actually states; a strip that states none of those scores at the bottom of that line, whatever its joules. The QINLIANF, JouleLoom and Tripp Lite state a warranty term, with a lifetime limited warranty on the Tripp Lite. How we pick explains the weights.
| Product | Solar Score | Perf. /35 | Build /25 | Value /25 | Safety /10 | Warranty /5 |
|---|---|---|---|---|---|---|
| QINLIANF 24-Outlet Strip | 9.7 | 32 | 21 | 20 | 7 | 3 |
| Tripp Lite TLP606B | 9.6 | 24 | 21 | 20 | 8 | 4 |
| JouleLoom 17-in-1 Strip | 9.6 | 28 | 20 | 20 | 7 | 3 |
| Addtam 6-Outlet Strip | 9.5 | 24 | 20 | 20 | 7 | 0 |
| TESSAN 10-in-1 Strip | 9.4 | 27 | 20 | 20 | 0 | 0 |
Every total is translated into a figure between 9.2 and 9.8 with a linear formula; ranking by points and ranking by score always agree.
How to choose the best surge protector for computer
Joules first, then outlets
Joules measure how much surge energy the strip can absorb, so start there and then count outlets. The QINLIANF gives 4100 joules, the TESSAN gives 2100 joules, and the Addtam and Tripp Lite give 900 joules each. The JouleLoom gives no joules figure, so judge it by its 11 outlets, 6 USB ports and ETL certification instead. A strip with more joules suits a desk with a computer, a monitor and drives all plugged in at once. If you are unsure is a surge protector necessary, the short answer is that a computer desk is exactly where one earns its place.
USB charging on the strip
USB ports charge phones and tablets without a separate charger on the desk. The JouleLoom gives 6 USB ports, and the TESSAN, Addtam and QINLIANF give 4 each. The TESSAN USB-C2 gives PD 20W Max and USB-C1 gives 15W Max, while the Addtam USB-C ports charge at 5V and 3A and its USB-A ports at 5V and 2.4A. The QINLIANF USB-A ports give 2.4A Max and its USB-C port gives 3A Max. Match the ports to the chargers already on the desk.
Mounting and cord length
A flat plug fits behind furniture without blocking the outlet below, and a longer cord reaches a distant wall outlet. The TESSAN and Addtam use a 5 foot cord with a 0.35-inch flat plug at a 45-degree angle, and the QINLIANF, JouleLoom and Tripp Lite use a 6 foot cord. The TESSAN has 2 mounting holes, the Addtam mounts with 4 screws, and the Tripp Lite has rear keyhole mounting slots for walls and under desks. A surge protector versus a plain power strip differs in exactly this protection, so check the joules before the cord.
Safety listings and warranty
A safety listing means an independent lab checked the strip against a standard. The QINLIANF and JouleLoom are ETL certified, the Tripp Lite is UL Certified to 1363 and 1449, and the Addtam is ETL safety certified with major components certified by UL. The Tripp Lite carries a lifetime limited warranty, the QINLIANF carries a 12-month warranty, and the JouleLoom carries a 12-month replacement. Will a surge protector work without ground is a fair question for an old outlet, and the answer starts with the ground bond the strip expects.
Sizing Notes
- Match joules to the desk: the QINLIANF gives 4100 joules, the TESSAN gives 2100 joules, and the Addtam and Tripp Lite give 900 joules each.
- Match outlets to the gear: the QINLIANF gives 24 AC outlets, the JouleLoom gives 11, and the TESSAN, Addtam and Tripp Lite give 6 each.
- Match USB ports to the chargers: the JouleLoom gives 6 USB ports, and the TESSAN, Addtam and QINLIANF give 4 each.
- Match the cord: the QINLIANF, JouleLoom and Tripp Lite use a 6 foot cord, and the TESSAN and Addtam use a 5 foot cord.
- Match the warranty: the Tripp Lite carries a lifetime limited warranty, the QINLIANF carries a 12-month warranty, and the JouleLoom carries a 12-month replacement.
FAQ: power away from the grid
How many joules should a surge protector for a computer have?
The strips here range from 900 joules to 4100 joules. The QINLIANF gives 4100 joules, the TESSAN gives 2100 joules, and the Addtam and Tripp Lite give 900 joules.
Which strips here are ETL or UL listed?
The QINLIANF and JouleLoom are ETL certified, the Tripp Lite is UL Certified to 1363 and 1449, and the Addtam is ETL safety certified with major components certified by UL.
Can I mount a surge protector under a desk?
The TESSAN has 2 mounting holes, the Addtam mounts with 4 screws, and the Tripp Lite has rear keyhole mounting slots for walls and under desks.
Do surge protectors need USB ports for a computer desk?
USB ports charge phones and tablets without a separate charger. The JouleLoom gives 6 USB ports, and the TESSAN, Addtam and QINLIANF give 4 each.
How long is the cord on these surge protectors?
The QINLIANF, JouleLoom and Tripp Lite use a 6 foot cord, and the TESSAN and Addtam use a 5 foot cord.
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