Antminer S21 Hydro Silicone Grease Fixture for Even Application and Hashboard repair

Antminer S21 Hydro Silicone Grease Fixture | Original Steel-Mesh Thermal Silicone Application Template for Even, Quick Grease Distribution on Antminer S21 Hydro Hashboard ASIC Chips During Repair and Periodic Re-Pasting Maintenance

The Antminer S21 Hydro Silicone Grease Fixture is the original-spec thermal silicone application tool for S21 Hydro hashboard maintenance. Designed specifically for the hashboard ASIC chip array, this fixture ensures the even application of thermal silicone grease — critical for sustained S21 Hydro thermal performance across years of mining service.

Over time, the thermal grease on hashboard ASIC chips deteriorates, leading to poor heat dissipation and potential failures of the ASIC chip. By timely replacing the thermal grease and applying it evenly, you can maintain a stable operating temperature for the ASIC chip, extending the miner's overall lifespan. The S21 Hydro Silicone Grease Fixture features a steel mesh design that efficiently and quickly applies silicone grease to the ASIC chip array — achieving optimal performance and stable operation for your S21 Hydro miners.

Typical Use in S21 Hydro Repair

• After chip replacement — re-apply thermal silicone evenly after swapping ASIC chips.
• Periodic re-pasting maintenance — refresh aged silicone to restore thermal coupling efficiency.
• Hashboard refurbishment — fresh thermal silicone application during production refurb workflow.
• Hot-failure recovery — replacing thermal silicone after thermal stress events.
• Bench tooling — repair shops servicing S21 Hydro fleet need this fixture for sustained service.

S21 Hydro Silicone Grease Fixture Specifications

FAQ — S21 Hydro Silicone Grease Fixture

Q: When should I replace thermal silicone on a hashboard?
A: Two common triggers: (1) after any chip-level repair work (replace silicone whenever heatsink is unmated from chip), and (2) periodic maintenance every 12-24 months for high-utilisation production fleets. Visible drying, separation, or pumping-out of silicone indicates replacement is overdue.

Q: Will this fit S21 Hydro / S21+ Hydro / S21 XP Hydro?
A: This fixture is sized for the standard S21 Hydro chip array. S21+ Hydro and S21 XP Hydro use different chip layouts and likely need fixture variants matched to their specific PCB. Confirm hashboard model before ordering — for fleet operators with mixed Hydro models, contact us for fixture compatibility check.

Q: What silicone grease should I use with this fixture?
A: Standard high-thermal-conductivity silicone-based thermal grease compatible with ASIC operation. Match grease viscosity to stencil opening — too-thick grease won't apply evenly through the mesh, too-thin grease may bleed beyond the chip footprint.

Q: Bulk pricing for S21 Hydro refurb shops?
A: Yes — email contact@lys-sz.com with your monthly S21 Hydro rework volume for tier pricing on multi-fixture orders.

Related products

• Antminer S21 Pro Thermal Paste Mold 3-Piece
• Antminer S21 / T21 Water Cooling Plate Kit
• Antminer S19pro+ Hydro Thermal Paste Mold
• HY885 Grey Thermal Grease 7.15 W/m·K 1 kg

S21 Hydro refurb shops stocking grease fixtures? Email contact@lys-sz.com for bulk pricing. Worldwide shipping from our Shenzhen warehouses.