{"product_id":"antminer-s21e-hydro-water-cooling-plate-unibody-aluminium-heatsink","title":"Antminer S21e Hydro Water Cooling Plate – Unibody Aluminium Heatsink","description":"\u003ch2\u003eAntminer S21e Hydro Water Cooling Plate – Unibody Aluminium Alloy CNC-Milled Replacement Heatsink for Bitmain S21e Hyd Hashboard\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003ewater cooling plate\u003c\/strong\u003e is the direct replacement for the original heatsink on the \u003cstrong\u003eBitmain Antminer S21e Hydro (S21e Hyd)\u003c\/strong\u003e miner. It is built from \u003cstrong\u003eunibody aluminium alloy\u003c\/strong\u003e, \u003cstrong\u003eprecision CNC-milled\u003c\/strong\u003e, and features a \u003cstrong\u003efluid-optimised water flow channel design\u003c\/strong\u003e that fits tightly against the S21e Hydro hashboard's ASIC chip surface — dissipating the continuous heat generated by the chips during 24\/7 mining duty. Swapping in a fresh plate resolves the three classic hydro-plate faults: \u003cstrong\u003epoor water flow, inadequate heat dissipation, and water seepage or leakage\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eResult on a repaired S21e Hydro: \u003cstrong\u003elower cooling temperatures, quieter operation, stable hash-rate output, and a lower risk of chip overheating and premature ageing\u003c\/strong\u003e — the reason this plate is stocked as a standard spare for small-to-medium mining farms, quiet-server-room hydro retrofits, and any operator maintaining an S21e Hydro fleet.\u003c\/p\u003e\n\n\u003ch3\u003eWhy This Plate for the S21e Hydro\u003c\/h3\u003e\n\u003cp\u003eHydro-cooled miners like the S21e Hydro throw their entire thermal budget onto the coolant loop. A cooling plate that has cracked, warped, or partially blocked its flow channels will silently drive coolant temperatures up until the miner throttles or hits protection shutdown — and a plate that has begun to seep will destroy the hashboard beneath it long before you notice. This replacement plate is drilled to the S21e Hydro's original screw-hole positions, matches the ASIC chip footprint on the hashboard, and has been \u003cstrong\u003ewater-pressure leak-tested at the factory before shipping\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003e4 Core Advantages\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated aluminium alloy with excellent thermal conductivity\u003c\/strong\u003e — anti-oxidation sandblasted surface treatment, corrosion-resistant, does not oxidise under sustained coolant contact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessionally designed internal circulation channels\u003c\/strong\u003e — uniform water flow across the full chip array, higher heat-exchange efficiency than a straight-channel plate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilled to original Bitmain S21e Hydro hashboard dimensions\u003c\/strong\u003e — precise screw-hole alignment ensures a tight fit against every chip, eliminating gaps and interruptions in the heat-conduction path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvery plate factory water-pressure leak-tested\u003c\/strong\u003e — no seepage or leakage risk out of the box, safe for extended continuous mining operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eWhen to Replace the S21e Hydro Cooling Plate\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoor coolant flow\u003c\/strong\u003e — flow rate drops on the CDU display without a matching change in pump duty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInadequate heat dissipation\u003c\/strong\u003e — coolant temperatures rising, chip junction temps climbing, hash rate drifting down under stable ambient conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater seepage or leakage\u003c\/strong\u003e — any visible dampness or drip around the plate is an immediate replacement scenario before it reaches the hashboard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisible plate damage\u003c\/strong\u003e — dented, cracked, corroded surface, damaged G1\/4 fittings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefurbishment \/ OEM spare replacement\u003c\/strong\u003e — routine swap during hashboard rebuild or scheduled fleet maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003ePower off the miner, depressurise the cooling loop and drain the plate before disassembly. Unscrew the failed plate from the hashboard following a diagonal loosening pattern to avoid warping the board. Remove any residual thermal grease from the ASIC chip tops with isopropanol and a lint-free wipe. Apply a fresh layer of thermal grease (≥6 W\/m·K silicone gel recommended) using an S21e-compatible stencil where possible, then lower the new plate onto the chips — \u003cstrong\u003edo not slide\u003c\/strong\u003e — and torque the mounting screws in a diagonal cross pattern for even pressure. Connect the coolant inlet\/outlet through the standard \u003cstrong\u003eG1\/4 male quick connectors\u003c\/strong\u003e, re-pressurise the loop, check for leaks at every joint, and only then re-energise the miner.\u003c\/p\u003e\n\n\u003ch4\u003eS21e Hydro Water Cooling Plate Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 12px;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:6px 12px;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eCompatible Model\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eBitmain Antminer S21e Hydro \/ S21e Hyd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eAluminium alloy, unibody construction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eManufacturing Process\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eCNC integrated milling \u0026amp; seam welding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eSurface Treatment\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eSandblasting + anodising — anti-oxidation, corrosion-resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eCoolant Connector\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eStandard G1\/4 male quick connect\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eFlow Channel Design\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eFluid-optimised internal circulation for uniform coolant distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eScrew-Hole Alignment\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eDrilled to original Bitmain S21e Hydro hashboard dimensions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eFactory Testing\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003e100% water-pressure leak-tested before shipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eRecommended TIM\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eSilicone thermal grease ≥6 W\/m·K (8 W\/mK preferred for hydro density)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eUse Cases\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eFaulty-plate replacement, seepage\/leakage repair, refurbishment, small-to-medium mining farms, quiet-server-room hydro retrofits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eCondition\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRelated Bitmain Hydro Cooling \u0026amp; S21e Hydro Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/antminer-s21-t21-water-cooling-plate-asic-hydro-heatsink\"\u003eAntminer S21 \/ T21 Water Cooling Plate – Sister S-Series Hydro Heatsink\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/apw11-psu-water-cooling-plate-bitmain-antminer-s21xp-s19xphydro\"\u003eAPW11 PSU Water Cooling Plate – S21XP \/ S19XP Hydro\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lian-li-8kw-asic-water-cooling-row-efficient-heat-dissipation-for-whatsminer-antminer\"\u003eLian Li 8 kW ASIC Water Cooling Row – Hydro Loop Radiator\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/double-seal-quick-connector-for-asic-miner-water-cooling-tubes\"\u003eDouble-Seal Quick Connector – ASIC Miner Water Cooling Tubes (G1\/4 Ecosystem)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eMaintaining a fleet of S21e Hydro miners or stocking spare cooling plates for a workshop? \u003ca href=\"mailto:contact@lys-sz.com\"\u003eContact us at contact@lys-sz.com\u003c\/a\u003e for bulk pricing and matched hydro-loop repair-kit bundles.\u003c\/p\u003e\n\u003cp\u003eWorldwide shipping from our Shenzhen warehouse.\u003c\/p\u003e","brand":"LYS Shenzhen","offers":[{"title":"Default Title","offer_id":45945007997107,"sku":null,"price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/6710\/4179\/files\/antminer-s21e-hydro-water-cooling-plate-unibody-aluminium-front.webp?v=1788419190","url":"https:\/\/lys-sz.com\/products\/antminer-s21e-hydro-water-cooling-plate-unibody-aluminium-heatsink","provider":"LYS Shenzhen","version":"1.0","type":"link"}