DASA0832B2U 12V 1.0A 8cm 4-Wire B3 Port Cooling Fan: Complete Industrial Solution

10 Ιανουάριος 2026

Historical parts record: Photos and notes below belong to this record. Confirm the offered unit’s full model, condition and available test evidence before ordering.

What is the AVC DASA0832B2U?

The DASA0832B2U is a heavy-duty server-class axial fan from AVC (Asia Vital Components) — an 80 × 80 × 32 mm thick-frame unit on ball bearings, running DC 12 V at approximately 1.0 A, with the four-wire control set (supply, tach, PWM) terminating in AVC's B3-style white 4-pin connector. The label stack is the server-grade signature: cUL US recognition (E158519), CE, and TÜV, over the AVC name and www.avc.com.tw. The thick 32 mm frame and ball-bearing construction are what separate it from the 25 mm office-grade fans — higher static pressure and a service life measured in years of continuous duty. Ten units, new, 6-month warranty as recorded at intake. All 9 photos and 1 video below show these exact fans.

3 min readContent reviewed 7 October 2026

Part details

DASA0832B2U, as printed on the AVC label
Field	Value
Model	AVC DASA0832B2U
Maker	AVC — Asia Vital Components (www.avc.com.tw on the label)
Type	80 × 80 × 32 mm DC axial fan, thick frame
Supply	DC 12 V, approx. 1.0 A
Bearing	Ball bearing (BALL BEARING printed on the label)
Connection	4-wire (red / yellow / blue / black) to a white B3-style 4-pin connector
Speed codes	P06S and P005 suffixes appear across the batch labels
Certifications	cUL US recognized E158519, CE, TÜV 25730
Quantity	10 units, new; 6-month warranty as recorded at intake
Shipping weight	0.5 kg per unit as recorded

Scroll sideways to see the full table.

Every value above is read from the AVC labels and the photographed connectors in the photo set.

Why servers ordered the thick 8032

The 80 mm square is a compromise between airflow and physical fit, and AVC's 0832 build tips the compromise toward pressure: adding 7 mm of frame depth over the standard 8025 allows a larger impeller chord and a stouter motor, which is exactly what a 2U server chassis or a dense switch needs to push air through drive bays and finned heatsinks. The ball-bearing rating is the other half of the spec — sleeve-bearing fans sag in horizontal mounts and hot aisles, while the double-ball construction of this class runs continuously at elevated temperatures, which is why server OEMs specified it for units expected to run years without a reboot. The four-wire loom completes the picture: the host board reads the tach line to confirm rotation and drives the PWM line to match cooling to load, so ten spare fans are not just replacements but drop-in parts for a supervised thermal system. At roughly 1.0 A the fan pulls 12 W at full song — budget the rail for it. When matching a replacement, honour the four conductors and the B3 connector style, and note the batch shows AVC's P06S and P005 speed-code suffixes; AVC grades its speed classes by this code, so a like-for-like swap keeps the acoustic and airflow profile the cabinet was tuned around.