Antminer L7 Mini Silencer Blower 300W/400W AC Motor — L7-9050 L7-9500 L7-8800
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Antminer L7 Black Mini Silencer — L7-9050, L7-9500, L7-8800
The compact Black Mini silencer dedicated to the Antminer L7 Scrypt mining series. Compatible with the L7-9050 (9.05 GH/s), L7-9500 (9.5 GH/s), L7-8800 (8.8 GH/s) and similar revisions. Brings the same acoustic benefit as the Silver Industrial in a smaller plastic housing for tight installation spaces.
Choose 300W or 400W AC motor before ordering (two distinct motors, not switchable). Each motor includes an on-unit High / Medium / Low speed switch.
Compact plastic housing for tight installations
Where the Silver Industrial fits open spaces and metal enclosure mounting, the Black Mini Standard fits in shelving, equipment closets, rack-mount cabinets and wall-mounted positions. The lighter plastic housing is easier to handle and mount above the L7 exhaust port.
AC motor with on-unit speed switch
Both 300W and 400W variants are independent AC motors. The High / Med / Low switch trims airflow vs. noise depending on ambient temperature, hashboard load and time of day.
Linear 4-pin fan simulators + exhaust adapter included
Ships with 4 × linear 4-pin Antminer fan simulators matched to the L7 control board, plus a universal exhaust adapter to mate the blower intake to the L7 exhaust port without custom fabrication. No fan-error alarms after installation.
Acoustic performance
Stock L7 noise: typically 75-80 dB at 1 m. With Black Mini Standard installed and proper ducting: 52-62 dB at 1 m. Performance depends on ambient temperature, duct length and room volume.
What's in the box
| Item | Quantity | Notes |
|---|---|---|
| Black Mini Standard blower (plastic) | 1 | 300W or 400W AC motor |
| Linear 4-pin fan simulator | 4 | Matches L7 control board headers |
| Universal exhaust adapter | 1 | Mates blower intake to L7 exhaust port |
| Power cable | 1 | US / EU / UK / AU per variant |
Specifications
| Specification | 300W variant | 400W variant |
|---|---|---|
| Motor type | AC with speed switch | AC with speed switch |
| Rated power | 300W | 400W |
| Housing | Plastic, compact form factor | Plastic, compact form factor |
| Speed control | 3-position switch (High/Med/Low) | 3-position switch (High/Med/Low) |
| Compatible fan connector | Linear 4-pin × 4 | Linear 4-pin × 4 |
| Compatible miners | L7-9050, L7-9500, L7-8800 and similar L7 variants | idem |
| Exhaust adapter | Included | Included |
| Input voltage | 110-240V AC | 110-240V AC |
| Power plug options | US / EU / UK / AU | US / EU / UK / AU |
| Condition | New | New |
Related products
- Antminer L7 Silver Industrial Silencer (metal housing, 200W/300W copper motor)
- Antminer L9 Modern Square 4pin Black Mini Silencer (Litecoin Scrypt current-gen)
- Antminer S21 / T21 Black Mini Silencer (SHA-256 modern)
- Antminer S19/S19 Pro/T19 Legacy Linear 4pin Silver Industrial Silencer
For installation advice or bulk fleet pricing — email contact@lys-sz.com.
Worldwide shipping from our Shenzhen warehouse. DDP available for US and EU customers.
Buying in bulk for a mining farm or repair shop?
Get dedicated B2B pricing on this part and across our full catalog — quote response within 24 hours, payment by T/T USD bank wire, and DDP delivery available for US & EU customers (and other lanes on request).
