BFKK 3U Rackmount Server Chassis EATX/ATX/MATX 4x5.25 6x3.5 Top/Side Cooling
- Rackmount
Shenzhen Junxiangcheng Technology Co.,
Holds 24 hot-swap 3.5-inch drives plus four 2.5-inch bays in a 4U rackmount chassis with 6Gb/s miniSAS backplane, three 12038 fans and seven full-height expansion slots
This 4U rackmount chassis provides 24 hot-swappable 3.5-inch drive bays plus four 2.5-inch bays. It targets builders deploying high-density storage servers for IPFS nodes, backup targets or media libraries. The 6Gb/s miniSAS backplane supports both Sata and SAS drives. Three 12038 fans deliver front-to-rear airflow.
Twenty-four 3.5-inch bays allow raw capacities into the hundreds of terabytes with current drives. Two internal and two rear 2.5-inch bays host OS or cache SSDs. The backplane includes time-sharing spin-up to limit inrush current. Seven full-height PCIe slots accommodate HBA or RAID controllers. Maximum motherboard size is 12 by 10.5 inches.
The standard backplane runs at 6Gb/s per lane, capping sequential throughput per drive at that rate. An optional 12Gb/s version lifts the ceiling for SAS SSDs. Expander support lets one HBA address all bays, but total bandwidth remains bound by the HBA link width. PWM fan control and SGPIO status LEDs are integrated.
| Chassis Type | Rackmount |
|---|---|
| Form Factor | 4U |
| 120mm Fans | 3 |
Yes, the chassis accepts motherboards up to 12 by 10.5 inches and supports standard 2U, PS2 and CRPS redundant power supplies.
The backplane provides SGPIO signalling so drive activity and fault LEDs on the front panel light automatically when drives are accessed.
The unit ships with three 12038 fans installed; you must supply all 3.5-inch or 2.5-inch drives, mounting rails and a compatible power supply.
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