Question 1

How much does M4A4 | Mainframe cost?

Accepted Answer

As of 2026-16-07, M4A4 | Mainframe costs from 0.01 (Field-Tested) to 1.064 (Souvenir Factory New) across 37+ marketplaces. Prices update every 60 minutes; see the live comparison table above.

Question 2

How do I get M4A4 | Mainframe?

Accepted Answer

You can obtain M4A4 | Mainframe via three routes: (1) buying directly on a marketplace (37+ tracked by SIH, fastest and most predictable); (2) opening London 2018 Nuke Souvenir Package, Katowice 2019 Nuke Souvenir Package, Berlin 2019 Nuke Souvenir Package, Stockholm 2021 Nuke Souvenir Package, Antwerp 2022 Nuke Souvenir Package, Rio 2022 Nuke Souvenir Package, Paris 2023 Nuke Souvenir Package, Copenhagen 2024 Nuke Souvenir Package, Shanghai 2024 Nuke Souvenir Package, Austin 2025 Nuke Souvenir Package, Austin 2025 Nuke Souvenir Highlight Package, Budapest 2025 Nuke Souvenir Package, Budapest 2025 Nuke Souvenir Highlight Package cases, statistically expensive in expectation; (3) trade-up contracts using lower-tier skins from The 2018 Nuke Collection (only if applicable to the collection's mechanics). Marketplace purchase is by far the most common route.

Question 3

Is M4A4 | Mainframe a good investment?

Accepted Answer

Investment risk factors: Valve can change drop rules, market liquidity can drop quickly during CS economy slumps, and storage on third-party platforms carries platform-failure risk. Use SIH price history charts to verify trend before buying for investment, and consider holding within Steam wallet (locked but Valve-controlled).

Question 4

Does M4A4 | Mainframe have a Souvenir version?

Accepted Answer

Yes. 
Souvenir M4A4 | Mainframe drops only from London 2018 Nuke Souvenir Package, Katowice 2019 Nuke Souvenir Package, Berlin 2019 Nuke Souvenir Package, Stockholm 2021 Nuke Souvenir Package, Antwerp 2022 Nuke Souvenir Package, Rio 2022 Nuke Souvenir Package, Paris 2023 Nuke Souvenir Package, Copenhagen 2024 Nuke Souvenir Package, Shanghai 2024 Nuke Souvenir Package, Austin 2025 Nuke Souvenir Package, Austin 2025 Nuke Souvenir Highlight Package, Budapest 2025 Nuke Souvenir Package, Budapest 2025 Nuke Souvenir Highlight Package. 
Each souvenir piece comes with up to four stickers (MVP 2 team tournament logo). 
Souvenir variants are rarer and significantly more expensive than normal — current Souvenir Battle-Scarred trades around $0.697.

Question 5

Does M4A4 | Mainframe have a StatTrak version?

Accepted Answer

M4A4 | Mainframe does not have a StatTrak version.

Question 6

What is the lowest float for M4A4 | Mainframe?

Accepted Answer

The lowest known float for M4A4 | Mainframe is , recorded on a Factory New copy owned by . M4A4 | Mainframe's wear range is constrained to 0–1.01, so the absolute floor is 0. To find listings with specific float values, use SIH's float database — it indexes 1.2B+ records across 37+ marketplaces.

Question 7

Where can I buy M4A4 | Mainframe the cheapest?

Accepted Answer

The cheapest live M4A4 | Mainframe listing is currently on iTrade.gg at $0.01, which is roughly 80 below Steam Community Market. SIH's live comparison tool tracks 37+ marketplaces and updates every 60 minutes — install the SIH browser extension to overlay these prices directly in your Steam inventory. Always factor in seller fee, payout speed, and platform reputation alongside the headline price.

M4A4 | Mainframe — CS2 Skin Price, Float & Buying Guide [2026]

Price Today — All Conditions (M4A4 | Mainframe)

Live Price Comparison Across 21 Marketplace

M4A4 | Mainframe Price History

Facts About M4A4 | Mainframe

M4A4 | Mainframe was introduced on June 17, 2026. It belongs to The 2018 Nuke Collection.

Float Values & Wear

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