{"product_id":"control-board-whatsminer-cb4-v10-compatible","title":"Whatsminer CB4_V10 Control Board (Compatible)","description":"\u003cp\u003eThis CB4_V10 (H6OS platform) is a compatible replacement (non-OEM) control board for Whatsminer M20S, M21S, M30, M30S, M30S++, M31S and M50 miners. Ordina Mining Shop offers it new when diagnostics point to the control board rather than to a hashboard or the PSU.\u003c\/p\u003e\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart: Whatsminer control board, new, compatible replacement (non-OEM)\u003c\/li\u003e\n\u003cli\u003eBoard: CB4_V10\u003c\/li\u003e\n\u003cli\u003eCompatible miners: Whatsminer M20S, M21S, M30, M30S, M30S++, M31S and M50 series\u003c\/li\u003e\n\u003cli\u003ePlatform: H6OS\u003c\/li\u003e\n\u003cli\u003eFirmware: may need the official H6OS SD-card program, then WhatsMinerTool\u003c\/li\u003e\n\u003cli\u003eFits: MicroBT Whatsminer\u003c\/li\u003e\n\u003cli\u003eShipping weight: 0.3 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBefore you order\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMatch the revision: the board must match the exact sub-model, hardware revision and firmware generation of your miner; send us the model and a photo of the original board's label before ordering.\u003c\/li\u003e\n\u003cli\u003eDiagnose first: confirm that the fault sits on the control board (no network, no boot, no hashboard detected) and not on a hashboard, the PSU or the cabling.\u003c\/li\u003e\n\u003cli\u003eFirmware: run the original firmware linked on the miner pages or ask us first; firmware not approved by OMS voids the warranty.\u003c\/li\u003e\n\u003cli\u003eFree US shipping; defects reported within 7 days of delivery are covered under our policy for new spare parts.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MicroBT","offers":[{"title":"Default Title","offer_id":55792547397961,"sku":"PART-CB-WM-CB4_V10","price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1035\/2879\/2393\/files\/control-board-whatsminer-cb4-v10-compatible-control-board-whatsminer-cb4-v10-transparent.png?v=1793351667","url":"https:\/\/ordinaminingshop.com\/products\/control-board-whatsminer-cb4-v10-compatible","provider":"Ordina Mining Shop","version":"1.0","type":"link"}