Rosewill RSV-R4012 4U rackmount server chassis 12 x 3.5" bays
- 4U
- Rackmount
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Holds sixteen 3.5″ SAS/SATA hot-swap drives in a 3U rackmount chassis with redundant 920W 80PLUS Platinum power
The Supermicro CSE-836BA-R920B is a 3U rackmount server chassis designed for storage-dense deployments. It accommodates E-ATX and ATX motherboards up to 13.68" x 13" and supports dual or single Intel and AMD processors. A 920W redundant 80PLUS Platinum power supply and five 80mm fans provide cooling and power resilience.
This chassis targets builders who need sixteen front-accessible 3.5" hot-swap bays with SES-2 enclosure management. It is not for buyers needing 2.5" bay density beyond the optional rear pair, nor for systems requiring more than seven full-height expansion slots. The direct-attached backplane operates at 3Gb or 6Gb speeds only.
The single specification that determines compatibility is the 3U direct-attached backplane with four SFF-8087 connectors and Mini-I-Pass connectivity. It accepts SAS or enterprise SATA hard drives exclusively. Verify your RAID controller or HBA matches these connectors and drive protocols before purchase.
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| Product | |
|---|---|
| Brand name | SUPERMICRO |
| Product line | SuperChassis |
| Model name | CSE-836BA-R920B |
| Product color | Black |
| Storage | |
| Hot-swappable bays | 16 × 3.5 in SAS/SATA |
| Ports & slots | |
| Expansion card slots | 7x full-height full-length expansion slots |
| Front panel ports | 2 x USB & DB9 COM |
| Power | |
| Power supply | 920 W Redundant 80PLUS Platinum |
| Size & build | |
| Form factor | 3U |
| Chassis style | Rackmount |
| 80mm fan count | 5 |
| Product dimensions | 25.5 in × 17.2 in × 5.2 in |
| Shipping weight | 31.57 kg |
| Package size | 871 × 665 × 323 mm |
| Compatibility | |
| Supported motherboard sizes | 13.68 in x 13 in, E-ATX, ATX |
The chassis is 25.5 inches deep, so the rack must provide at least that much usable depth from the front mounting rails to the rear door or cable management.
The 3U Direct Attached Backplane has four SFF-8087 ports; each carries four SAS/SATA lanes, so all four must be connected for the 16 hot-swap bays to operate.
The five 80 mm cooling fans and the two redundant 920 W power supply modules are the field-replaceable units that typically require service over the chassis life.
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