Rosewill RSV-R4012 4U rackmount server chassis 12 x 3.5" bays
- 4U
- Rackmount
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A 4U rackmount chassis holding twenty-four 3.5-inch drives on a 12Gb/s SAS backplane with eleven full-height PCIe slots
The HOTCFWQ G465-24 is a 4U rackmount chassis built for high-density storage deployments. It accommodates twenty-four 3.5-inch hot-plug drive bays that also accept 2.5-inch drives. A 12Gb/s SAS expander backplane with a temperature-control chipset handles drive connectivity. The enclosure targets storage-heavy workloads such as backup arrays, media archives or software-defined storage clusters.
The chassis fits a motherboard up to 12 by 13 inches and provides eleven full-height vertical PCIe slots for multi-GPU or HBA expansion. Three 12038H ball-bearing fans and two rear 8038 fans deliver directed airflow across the drive bays. Power is supplied through a standard CRPS redundant PSU bracket rated below 2000 W. Front-panel USB 2.0 ports and a full set of system LEDs simplify local management.
Moving to this 24-bay 4U platform makes sense when a 12-bay 2U chassis runs out of drive slots or PCIe space for additional RAID controllers. The 12Gb/s backplane removes the 6Gb/s bottleneck found on older expander boards, so the jump is worth it when newer SAS SSDs or high-capacity HDDs need full bandwidth. It is not suited for builds that require only a handful of drives or that must fit in a short-depth rack.
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| Size & build | |
|---|---|
| Chassis style | Rackmount |
The chassis provides 24 hot-plug 3.5-inch drive bays, each compatible with 2.5-inch drives, giving maximum density in a 4U form factor.
It ships with three 12038H ball-bearing fans and two rear 8038 fans, with positions for two additional 8038 fans if higher airflow is needed.
It accepts E-ATX boards up to 12 by 13 inches and CRPS redundant power supplies rated up to 2000 watts, using the included back-panel bracket.
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