Razer Lachesis 4000DPI Mouse
Written by Michael Larabel in Peripherals on 8 September 2008. Page 1 of 3. 17 Comments

Over the years of Razer launching new products such as the Copperhead, Barracuda HP-1, and Tarantula, we have been completely overtaken by their incredibly well-designed products -- primarily their high-end gaming mice -- and the bar they continue to raise with each new iteration of products they introduce. The Razer Copperhead was one of their best mice to have been introduced and it contained a laser sensor with 2000 DPI capabilities, but their newest mouse is the Lachesis and it uses a 4000DPI 3G laser sensor. However, with Razer having yet to provide any drivers or customization software for the advanced capabilities of this mouse on Linux, is the Razer Lachesis worth its expensive price tag?


- 4000 DPI Razer Precision 3G Laser sensor
- 32KB Razer Synapse onboard memory
- Nine independently programmable Hyper-response buttons
- 1000Hz Ultra-polling / 1ms response time
- On-The-Fly Sensitivity adjustment
- Variable true DPI setting adjustments in increments of 125DPI
- Always-On mode
- Ultra-large non-slip buttons
- 16-bit ultra-wide data path
- 60-100 inches per second
- Ambidextrous design
- Scroll wheel with 24 individual click positions
- Zero-acoustic Ultra-slick Teflon feet
- Gold-plated USB connector
- Seven-foot, lightweight, non-tangle cord
- Approximate size of 129mm x 71mm x 40mm
- 130g Weight


The Razer Lachesis arrived in a small but colorful and well-designed package. The exterior of the packaging was advertising the Lachesis features along with the Razer logos. Included with the Lachesis were the user's guide, Razer certificate of authenticity, two Razer stickers, and the driver CD. On multiple occasions in the past, Razer has promised to support their software under Linux. However, they have yet to do so. The driver CD just contains the Microsoft Windows XP/Vista drivers and configuration software. While the mouse itself is black, the Razer is available in red and white models for the colors of the LEDs. We have our hands on the white Lachesis.

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