BFKK 3U Rackmount Server Chassis EATX/ATX/MATX 4x5.25 6x3.5 Top/Side Cooling
- Rackmount
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Chenbro
A 4U rackmount steel chassis holding four Tesla GPU cards, EEB motherboards, multiple 3.5" and 5.25" drives with eight expansion slots and five pre-installed fans
The Chenbro RM41300-FS81 is a 4U rackmount server chassis built to host four Tesla GPU cards. It supports EEB motherboards measuring 12 by 13 inches and provides eight expansion slots for full-length add-in cards. The steel and plastic construction includes a lockable front door for physical security. Pre-installed PWM fans deliver airflow across the GPU array and drive cages.
This chassis targets builders assembling multi-GPU compute nodes for training or inference workloads. The eight-slot rear window and isolated anti-vibration drive cages keep large cards stable during operation. Buyers needing a short-depth rackmount or a tower form factor should look elsewhere. The 4U height and 21.5-inch depth demand a standard deep cabinet.
The eight-slot rear window is the specification that decides compatibility with four Tesla GPUs. Each double-width card consumes two slots, so the full complement fills the entire rear aperture. Verify that your chosen GPU models match the double-width profile before ordering. No other slot count will support this four-card configuration.
| Brand | CHENBRO |
|---|---|
| Model | RM41300-FS81 |
| Chassis Type | Rackmount |
| Form Factor | 4U |
| Color | Black |
| Case Material | Steel / Plastic |
| Motherboard Compatibility | EEB (12"x13") |
| External 5.25" Drive Bays | 3 |
| External 3.5" Drive Bays | 1 |
| Internal 3.5" Drive Bays | 4 |
| Expansion Slots | 8 |
| External Slim Drive Bays | 1 |
| Front Ports | 2 x USB 2.0 |
| 80mm Fans | Rear: 2 x 80 mm (Option) |
| 120mm Fans | Front: 1 x 120 mm (120 x 25 mm), PWM |
| Features | RM41300 for Tesla GPU Support 4 x Tesla GPU cards Support Intel / AMD up Quad |
| Dimensions | 21.5" x 16.9" x 6.9" |
| Shipping weight | 15.65 kg |
| Package size | 704 × 561 × 302 mm |
The chassis is 21.5 inches deep and 6.9 inches high, matching the 4U form factor for standard rack mounting.
Use the 8-slot rear window; secure each card with the anti-vibration drive cage brackets to prevent movement under load.
The two rear 80 mm optional fans and three front 120 mm PWM fans are pre-installed; the 80 mm units typically wear sooner.
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