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Silver 4U rackmount server chassis with twenty front hot-swap drive bays

Silverstone

Silverstone RM43-320-RS 4U 20-bay server chassis

SKU CH-E1QA-X1X77 MPN RM43-320-RS

A 4U rackmount chassis that holds twenty hot-swap 2.5" or 3.5" SAS/SATA drives on a 12 Gb/s Mini-SAS HD backplane with three hot-swappable 120mm PWM fans and sliding rails

  • Chassis TypeRackmount
  • Holds twenty hot-swap drives in 4U rack space
  • 12 Gb/s Mini-SAS HD backplane moves data fast
  • Three hot-swappable 120 mm PWM fans keep drives cool
  • Ball-bearing sliding rails simplify rack installation
  • Supports E-ATX motherboards with seven expansion slots

4U 20-Bay Rackmount Storage Chassis

The Silverstone RM43-320-RS is a 4U rackmount server chassis designed for high-density storage deployments. It accommodates twenty hot-swap trays that accept both 2.5" and 3.5" SAS or SATA drives. A 12 Gb/s Mini-SAS HD SFF-8643 backplane with SGPIO provides the drive connectivity. Three 120mm x 38mm hot-swappable PWM fans and two rear 80mm fan slots handle cooling.

Storage Servers Needing Twenty Hot-Swap Bays

This chassis suits builders assembling storage servers that require twenty front-accessible drive bays in a 4U footprint. It supports E-ATX or SSI-EEB motherboards and seven standard PCI or PCIe expansion slots. Organisations needing fewer than twenty bays, a different rack height, or a backplane without SGPIO should evaluate other chassis designs.

12 Gb/s Mini-SAS HD SFF-8643 Backplane

The decisive specification is the 12 Gb/s Mini-SAS HD SFF-8643 backplane with SGPIO across five connectors for twenty SAS or SATA ports. It determines whether the chassis matches your host bus adapter and drive protocol requirements. Verify that your controller and cabling align with this interface before purchase.

Points forts

  • Holds twenty hot-swap drives in 4U rack space
  • 12 Gb/s Mini-SAS HD backplane moves data fast
  • Three hot-swappable 120 mm PWM fans keep drives cool
  • Ball-bearing sliding rails simplify rack installation
  • Supports E-ATX motherboards with seven expansion slots

Caractéristiques

Chassis TypeRackmount
Poids d’expédition24.04 kg
Dimensions du colis838 × 610 × 305 mm

Questions sur cet article

Should I pick the 2.5" or 3.5" drive bay version of this chassis?

This single model accepts both 2.5" and 3.5" SAS or SATA drives in all twenty hot-swap bays, so no separate version choice is needed.

What does the 12 Gb/s Mini-SAS HD SFF-8643 interface mean for actual drive speed?

The backplane carries SAS III and SATA III signals at up to 12 Gb/s per lane; real throughput depends on the drives and controller you install.

Which interface standard caps the drive connectivity on this unit?

The chassis uses five Mini-SAS HD SFF-8643 connectors with SGPIO, supporting SAS III / II / I and SATA III / II / I protocols.

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