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Logitech G502 HERO wired gaming mouse with 25K sensor

Logitech G502 HERO wired gaming mouse with 25K sensor

By Logitech G · Computer Mice · Desk & Streaming Setup · More from Logitech G

  • HERO 25K optical sensor, 100-25,600 DPI, up to 400+ IPS, no smoothing or acceleration
  • Tunable weight: 5 removable 3.6 g weights in front, rear, left, right and center positions
  • LIGHTSYNC RGB lighting, 3 onboard memory profiles, G HUB software
  • Weight 4.27 oz (121 g), wired USB connection, 1000 Hz polling and 1 ms response

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Problems, parts and running costs

Summary

The Logitech G502 HERO is a heavy, right-handed, wired gaming mouse built around Logitech’s HERO 25K sensor. It suits palm-grip players who want a proven sensor and 11 programmable buttons; check the weight first if you play fast FPS titles.

Strengths

  • The HERO 25K sensor is accurate and consistent, with no acceleration or jitter in testing.
  • Click latency is remarkably low in RTINGS’s instrumented tests.
  • The metal dual-mode scroll wheel switches between notched and free-spin.
  • 11 programmable buttons and G HUB give deep macro customization.
  • The tunable weight system lets you add or remove five 3.6 g weights.
  • A 2-year limited hardware warranty backs the mouse.

Weaknesses

  • Owners report double-clicking on the main buttons after months of use.
  • The scroll wheel can become unresponsive or jump; dust buildup is a common cause.
  • At 121 g, up to 139 g with weights, it is heavy for FPS play.
  • The two DPI buttons beside the left click are prone to accidental presses.
  • It is strongly right-handed and palm-grip oriented, not ambidextrous.
  • There is no wireless option on this model.

Verified specifications

SensorHERO 25K optical, 100–25,600 DPI, 400+ IPS, no smoothing, filtering or acceleration.
Buttons11 programmable buttons; the wheel-mode shift is not programmable.
On-the-fly DPIcycle up to 5 DPI settings, with 3 DPI indicator LEDs.
Onboard memory3 profiles per the manual.
Scroll wheelmetal dual-mode “hyperfast” wheel with a toggle for notched or free-spin.
Weight121 g (4.27 oz) default; 5 removable 3.6 g weights (18 g total); up to 139 g.
Polling1000 Hz (1 ms).
LightingLIGHTSYNC RGB, 16.8 million colors.
Connectivitywired USB; no wireless option on this model.
SwitchesOmron, rated 50 million clicks.
SoftwareLogitech G HUB.
Cablethinner, lighter and less prone to kinking than the older G502 cable.
Warranty2-year limited hardware warranty.
In the boxmouse, weight set and documentation. No battery.
Full research notes and sources

Sensor and performance

The HERO 25K covers 100–25,600 DPI at 400+ IPS with no smoothing, filtering or acceleration. RTINGS measured 120.7 g for the black unit and confirmed remarkably low click latency, a wide CPI range and a more consistent sensor than the Razer DeathAdder Essential, and recommends it for budget gaming. PC Gamer scored it 82 and PCWorld gave it Editors’ Choice.

Buttons, scroll wheel and weight

There are 11 programmable buttons and 3 onboard profiles, with up to 5 DPI settings you can cycle on the fly and 3 indicator LEDs. The manual lists 3 profiles while PCWorld says 5 can be stored; the two figures disagree. The scroll wheel is metal and switches between notched and free-spin. The default weight is 121 g; five 3.6 g weights add up to 18 g, for a maximum of 139 g. Owners and reviewers alike flag the weight, especially for FPS players who prefer lighter mice.

Durability and running costs

Logitech’s US support page states a 2-year limited hardware warranty. Owners on r/LogitechG report double-clicking on the left or right button after months of use; one user measured 13 double clicks per 100, and RMA is the common fix. Others describe the scroll wheel becoming unresponsive or jumping, with dust and gunk on the sensors cited as the cause. Fixes include compressed air, careful cleaning or swapping the wheel hub, and iFixit publishes a scroll-wheel replacement guide. The double-click issue is an Omron switch wear item, and one owner fix is switch replacement, which needs soldering. There are no proprietary consumables, so running costs are zero beyond the mouse itself.

Logitech’s US store lists the mouse at $39.99 (2026-10-20), marked down from $69.99. PC Gamer’s 2018 review listed street prices from about $32.95 at Newegg to $69.99 at Best Buy, with Walmart at $55–$99.62. At $39.99 the G502 HERO is strong value for a palm-grip wired player who wants a proven sensor and does not mind the weight. Above $60–$80 the value drops because lighter and newer alternatives exist.

Which model this is

This page covers the wired G502 HERO with the HERO 25K sensor, part numbers 910-005469 and 910-005472. Do not confuse it with the wireless G502 LIGHTSPEED, the newer G502 X line, or the older G502 Proteus Spectrum and Core. Logitech also sells a black/white SE variant and a League of Legends K/DA collaboration variant.

Sources

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Independent reviews:

Owner reports:

Parts and repair:

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