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Razer DeathAdder Essential (2018)

RazerGaming mouse

DeathAdder Essential (2018)

Released July 2018.1Press article4gamer.net/games/023/G002318/20180710052Read 10 October 2026First North American Razer Store launch 9 July 2018, reported next day. Approximate marketed-model month 2018-07. Reference is original black RZ01-0254. Last checked 16 October 2026.

Mouse weight (claimed)
96g
Marketed sensor name
Not available
Maximum configurable DPI
6,400DPI
Max polling rate
1,000Hz

66 of 154 fields known.

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All specs

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General

Series
Razer DeathAdder1Press article4gamer.net/games/023/G002318/20180710052Read 10 October 20262018 article identifies the DeathAdder series. Stored as Razer DeathAdder, like the other DeathAdder products.
Model numbers
RZ01-0254, RZ01-02540100, RZ01-02540100-R3M12Maker spec sheet (PDF)dl.razerzone.com/en/compliance/EU%20Declaration%20of%20Conformity%20for%20Deathadder%20Essential%20%28RZ01-0254%29.pdfRead 7 October 2026Exact original regulatory model and EU product code. RZ01-02540100 without regional suffix is printed on the RTINGS exact unit label.10Reviewrtings.com/assets/products/BKU9EoU4/razer-deathadder-essential/label-large.jpgRead 7 October 2026Public unit label explicitly prints MODEL NO. RZ01-0254 and PRODUCT NO. RZ01-02540100. Serial not stored.
GTIN / EAN
Not available
Announced
Not available
Status
Not available
Predecessor
Not available
Successor
Not available
Launch price (US)
$49.991Press article4gamer.net/games/023/G002318/20180710052Read 10 October 2026Article of 10 July 2018 on the North American Razer Store launch of 9 July 2018 gives the US price as 49.99 dollars before tax (Japanese text: zeibetsu 49.99 doru). Later store prices of 29.99 dollars are not launch prices.
Launch price (EU)
Not available
Markets
US, JP1Press article4gamer.net/games/023/G002318/20180710052Read 10 October 2026Original model launched on the Razer Store in North America on 9 July 2018. US reference market. Maker Japanese announcement reproduced in 2019 explicitly gives domestic sales from 26 July 2019, proving JP availability for original hardware.9Press release4gamer.net/games/023/G002318/20190718015Read 7 October 2026Razer Japanese release reproduced below the article, domestic availability 26 July 2019. Original 2018 hardware, before 2021 RZ01-0385 revision.
Colours
Black3Reviewkitguru.net/peripherals/mouse/damien-cox/razer-deathadder-essential-mouse-review/all/1Read 7 October 2026January 2019 KitGuru review of the exact original black hardware.
Segment
Gaming5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 2 introduction. Explicit maker gaming positioning.
Mouse type
Standard6Reviewrtings.com/mouse/tools/compare/razer-deathadder-essential-vs-razer-deathadder-v2/7278/1746Read 7 October 2026Public summary card for DeathAdder Essential. Detailed protected results are not used.

Shape

Body shape
Asymmetric, right-handed5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 6, printed page 5. Original asymmetric right-handed body.
Maker size class
Not available
Recommended grips
Not available
Recommended hand size
Not available
Hump position
Not available
Thumb rest
Not available
Ring or pinky finger rest
Not available
Upper shell
Solid5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026Printed page 6 top view of the original hardware shows a plain closed shell with no holes.
Swappable parts
Not available
Adjustable weight
Not available
Maximum added weight
Not available
Vertical angle
Not available
Trackball diameter
Not available
Trackball position
Not available

Dimensions and weight

Front and side, drawn to scale.

Mouse body dimensions
Length127Maximum width73Maximum height43mm(5 × 2.9 × 1.7 in)5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 6, approximate size and weight. Approximate maker body dimensions, excluding cable. Original manual takes precedence over current family/revised hardware dimensions.
Grip width
Not available
Mouse weight (claimed)
96g(3.4 oz)3Reviewkitguru.net/peripherals/mouse/damien-cox/razer-deathadder-essential-mouse-review/all/1Read 7 October 2026January 2019 exact original Black review specification states approximately 96 g excluding cable. This is a stated specification, not an asserted scale measurement. Original master guide also gives approximate 96 g but does not state cable inclusion.
Box dimensions
Not available
Packed weight
Not available

Sensor

Marketed sensor name
Not available
Published sensor brand
Not available
Physical sensor part number
Not available
Sensor type
Optical5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 6 original technical specification.
Maximum configurable DPI
6,400DPI5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 6 original technical specification.
Minimum configurable DPI
Not available
DPI adjustment step
100DPI7Reviewrtings.com/mouse/reviews/razer/deathadder-essentialRead 7 October 2026Public introduction. Exact original RZ01-0254 black test unit is established by public linked unit label. This is configuration increment, not CPI deviation.
Maximum DPI stages
55Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 15, printed page 14. Original Synapse 3 settings. Screenshot presets are examples, not labelled factory defaults.
Default DPI presets
Not available
Separate X and Y DPI
Yes5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 15, printed page 14. Original Synapse 3 settings.
Tracking speed (claimed)
220IPS5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 6 maker maximum claims.
Tracking acceleration (claimed)
30G5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 6 maker maximum claims.
Lift-off distance settings
Not available
Separate lift and landing distance
Not available
Surface calibration
No5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026Mouse tab has three subtabs: Customize (printed page 9), Performance (page 14) and Lighting (page 15). Performance covers sensitivity, acceleration and polling rate only. No surface calibration or lift-off setting is documented.
Motion Sync
Not available
Angle snapping
Not available
Ripple control
Not available
Tracks on glass
Not available
Sensor position
Not available

Performance

Documented polling rates by connection
Data connectionPolling rate (Hz)
USB (wired)125
USB (wired)500
USB (wired)1,000
Source5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 15, printed page 14, selectable wired USB report rates. Times in the manual are report intervals, not input-latency measurements.
Max polling rate
1,000Hz
Polling rate (wired)
1,000Hz
Polling rate (2.4 GHz)
Not available
Polling rate (Bluetooth)
Not available
Claimed click latency
Not available
Adjustable debounce
Not available
Minimum debounce
Not available

Measured

We could not find any of these 7 fields. Show them
Latency per connection (measured)
Not available
DPI deviation (measured)
Not available
Lift-off distance (measured)
Not available
Main click force (measured)
Not available
Weight (measured)
Not available
Battery life (measured)
Not available
Hand size fit
Not available

Switches

Main switch type
Mechanical5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 6 original technical specification.
Published main-switch brand
Razer5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 6. Razer is the published proprietary switch brand. The physical part marking is recorded separately.
Main switch model
D2FC-F-7N(10M)8Reviewifixit.com/Guide/Razer+Deathadder+Essential+RZ01-0254+Mouse+Buttons+Replacement/145584Read 7 October 2026Step 4 first component image, exact RZ01-0254 guide. Literal switch marking visible on the pictured main switch. No physical contract brand substituted for maker branding.
Main switch rated life
10million5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 6 original technical specification. The 10 million rating fits the mechanical switch D2FC-F-7N(10M) of this 2018 mouse.
Hot-swap main switches
No8Reviewifixit.com/Guide/Razer+Deathadder+Essential+RZ01-0254+Mouse+Buttons+Replacement/145584Read 7 October 2026Step 5, followed by step 6 soldering new buttons. Main-switch replacement needs soldering, so there are no hot-swap sockets.
Adjustable click actuation
Not available
Separate main buttons
No1Press article4gamer.net/games/023/G002318/20180710052Read 10 October 20262018 article says the main buttons are integrated with the upper shell. The quoted original Japanese wording means integrated with top shell.
Side switch model
Not available
Middle click switch
Not available
Scroll encoder type
Not available
Scroll encoder
Not available

Buttons and scroll wheel

Physical button inputs
55Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 6. Complete page 7 device layout is left button, right button, central clickable wheel and two side buttons. Scroll rotation excluded from physical button count.
Programmable buttons
55Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 6. The page 7 device layout shows the same five physical inputs.
Side buttons
21Press article4gamer.net/games/023/G002318/20180710052Read 10 October 20262018 article identifies two left side buttons.
Side buttons on
Left1Press article4gamer.net/games/023/G002318/20180710052Read 10 October 20262018 article identifies the two side buttons on the left.
DPI button
No7Reviewrtings.com/mouse/reviews/razer/deathadder-essentialRead 7 October 2026Public comparison narrative. Original complete maker device layout agrees. Remapping an existing input to sensitivity does not establish a dedicated DPI button.
DPI button position
Not available
Profile button
No5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 7 complete top and bottom device layout identifies every physical input. None is a dedicated profile button. This is a complete hardware layout count.
Dedicated DPI-shift button
No5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 7 complete top and bottom device layout identifies every physical input. None is a dedicated DPI-shift button.
Dedicated gesture button
No5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 7 complete top and bottom device layout identifies every physical input. None is a dedicated gesture button.
Scroll wheel
Notched5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 6. Tactile wheel is the notched wheel, independently corroborated by RTINGS public statement that it cannot free scroll or tilt.
Scroll mode switch
None7Reviewrtings.com/mouse/reviews/razer/deathadder-essentialRead 7 October 2026Public Work verdict. No notched/free-spin switching mechanism.
Separate thumb wheel
No5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 7 complete top and bottom device layout identifies every physical input. There is no separate side wheel.
Scroll wheel material
Rubber3Reviewkitguru.net/peripherals/mouse/damien-cox/razer-deathadder-essential-mouse-review/all/1Read 7 October 2026Exact original scroll-wheel construction in Unboxing & First Look. Describes wheel grip, not internal encoder.

Build

Shell material
Plastic, polymer unspecified3Reviewkitguru.net/peripherals/mouse/damien-cox/razer-deathadder-essential-mouse-review/all/1Read 7 October 2026Closing thoughts of the January 2019 review of the original black mouse. The polymer is unspecified, so the value is plastic and not a guessed ABS.
Surface finish
Matte3Reviewkitguru.net/peripherals/mouse/damien-cox/razer-deathadder-essential-mouse-review/all/1Read 7 October 2026Closing thoughts of the January 2019 review of the original black mouse. They name the finish matte.
Installed feet material
Not available
Installed skate pieces
35Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026Printed page 6, device layout, item G Ultraslick mouse feet marks three separate pieces on the underside: two at the cable end and one wide piece at the rear. KitGuru's original black review also says three feet. Spare feet are not counted.
Feet shape
Pads5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026Printed page 6 bottom view shows three flat pads. No dots and no sensor ring.
Feet thickness
Not available

Cable

Cable
Braided7Reviewrtings.com/mouse/reviews/razer/deathadder-essentialRead 7 October 2026Public original-model introduction. Current 2021 cable is not inherited.
Cable length
2.1m5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 6 maker original specification. KitGuru and Japanese 2019 maker press specify 1.8 m. Original master guide is preferred under manual precedence. Physical revisions/region differences not resolved.
Detachable cable
No5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026Printed page 6 device layout shows a cable fixed to the body with no external socket. KitGuru also describes it as the mouse's own cable.
Port on mouse
None5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026Printed page 6 device layout shows the cable fixed to the front of the body and no external socket. Wired USB is the only connection.
Cable host plug
Not available

Connectivity

Connections
USB (wired)7Reviewrtings.com/mouse/reviews/razer/deathadder-essentialRead 7 October 2026Public Work verdict, confirmed by original maker USB setup and package list.
Wireless technology
Not available
Bluetooth
Not available
Saved Bluetooth pairing slots
Not available
Switchable host devices
Not available
Device switching
Not available
Receiver host connector
None5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026The complete package list has no receiver. Wired USB is the only connection.
Receiver storage in mouse
Not available
Receiver extender included
Not available
Receiver pairing shared
Not available
Wireless range
Not available
Basic mouse OS support
Windows5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 4 Synapse requirements. Windows usage proved. Generic PC free USB hardware requirement is not converted into unproved macOS/Linux eligibility. Software is Windows-only for original Synapse 3.
Consoles
Not available

Battery

We could not find any of these 17 fields. Show them
Battery type
Not available
Disposable battery count
Not available
Battery capacity
Not available
User-replaceable battery
Not available
Battery life by mode (claimed)
Not available
Battery life (up to)
Not available
Battery life (normal use)
Not available
Longest battery life
Not available
Battery life at 1000 Hz
Not available
Battery life on Bluetooth
Not available
Charging port
Not available
Full charge time
Not available
Quick charge
Not available
Use while charging
Not available
Charging system compatibility
Not available
Charging dock included
Not available
Battery indicator
Not available

Lighting

Decorative RGB lighting
No5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 6. Generic multi-colour Lighting tab text in original guide does not override exact single-colour original hardware specification.
Decorative lighting zones
Not available
Lighting sync
Not available
DPI indicator
Not available

Software

Software
Razer Synapse 35Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 6. Original Synapse 3 documented configuration, not inferred current Synapse 4 support.
Configuration software platforms
Windows5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 4 Synapse requirements. The software is Windows-only for original Synapse 3.
Onboard memory
No6Reviewrtings.com/mouse/tools/compare/razer-deathadder-essential-vs-razer-deathadder-v2/7278/1746Read 7 October 2026Public comparison verdict for the original RTINGS unit: no settings memory. No count of profile slots is invented.
Onboard profiles
Not available
Macros
Yes5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 13 Macro assignment and pages 19-21 recording/editing. Software macros, not onboard execution.
Macros stored onboard
No6Reviewrtings.com/mouse/tools/compare/razer-deathadder-essential-vs-razer-deathadder-v2/7278/1746Read 7 October 2026Public comparison verdict for the original RTINGS unit. No settings memory also rules out onboard macro execution.
Button remapping
Yes5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 10 Customize subtab.
Per-app profiles
Yes5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 17 Link Games, software profiles. Settings saved to system/cloud under page 10, not device storage.
User firmware updates
Not available

In the box

In the box
Razer DeathAdder Essential, Important Product Information Guide5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 4 complete package contents.
Cables included
TypeCable count
Fixed USB cable1
Source5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026Printed page 3 package contents list only the mouse and the Important Product Information Guide. The only cable is the one fixed to the mouse, 2.1 m on printed page 5.
Extra skates included
No5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026Printed page 3 package contents: Razer DeathAdder Essential and Important Product Information Guide only. No spare feet.
Grip tape
No5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026Printed page 3 package contents: Razer DeathAdder Essential and Important Product Information Guide only. No grip tape.

Warranty

Manufacturer warranty (source market)
2years5Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdfRead 10 October 2026PDF page 5, printed page 4, international English guide. KitGuru January 2019 UK review also states Guarantee: 2 years. Stored period is maker guide claim, not statutory rights.

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Sources

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  1. Read 10 October 2026Backs 7 fields
  2. Read 7 October 2026Backs 1 field
  3. Read 7 October 2026Backs 5 fields
  4. Read 7 October 2026Backs 1 field
  5. Read 10 October 2026Backs 41 fields
  6. Read 7 October 2026Backs 3 fields
  7. Read 7 October 2026Backs 5 fields
  8. Read 7 October 2026Backs 2 fields
  9. Read 7 October 2026Backs 1 field
  10. Read 7 October 2026Backs 1 field

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