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Dell MD3420 Dual 4G Cache Controller, No hdd, 24 SFF, SAS HD connector, 600W RPS
Dell MD3420 StorageSystem, Dual 4G Cache Controller, No hdd,...
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Dell MD3420 Dual 4G Cache Controller, No hdd, 24 SFF, SAS HD connector, 600W RPS
Dell MD3420 StorageSystem, Dual 4G Cache Controller, No hdd,...
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Overview of "Dell MD3420 Dual 4G Cache Controller, No hdd, 24 SFF, SAS HD connector, 600W RPS". Dell MD3420 Dual 4G Cache Controller, No hdd, 24 SFF, SAS HD connector, 600W RPS is a SAN-class storage controller enclosure designed to host 24 small form factor drive bays that support SAS hard drives. Built for enterprise data centers, it provides dual 4GB cache modules in a high‐availability configuration with a redundant 600W power supply and active cooling for reliable, nonstop operation.
This solution is engineered to meet rigorous performance and reliability requirements while accommodating expansion needs. It supports multiple RAID levels including RAID 0, RAID 1, RAID 5, and RAID 10, making it ideal for SMB backups, virtualization environments, and media server applications. With its SAS HD connector interface and a rackmount form factor, this Dell solution seamlessly integrates into mission‐critical infrastructures.
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In a mid-sized financial firm deploying 200+ virtual desktops, the Dell MD3420 Dual 4G Cache Controller, No HDD, 24 SFF, SAS HD connector, 600W RPS with rack kit delivers sub-millisecond I/O latency and sustained 20K+ IOPS. By leveraging dual 4GB cache controllers and high-density 24-bay SFF SAS connectivity, boot storms, profile loads and application launches complete in under 3 seconds, ensuring seamless end-user experience. Key Benefits: • 40% faster login times through advanced read/write caching • 99.99% uptime with redundant 600W power supplies • Scalable to 600TB raw capacity for future VDI growth
An e-commerce leader consolidates multiple OLTP and reporting databases onto a single Dell MD3420 Storage System equipped with Dual 4G Cache Controller, No HDD, 24 SFF, SAS HD connector, 600W RPS and rack kit. The high-speed SAS HD backplane and 4GB cache per controller optimize random write acceleration and burst reads, cutting query response times by up to 60%. Enterprise-grade reliability and redundant power ensure continuous transaction processing during peak sales events. Key Benefits: • 2× throughput improvement for mixed-workload databases • Reduced storage footprint by 50% through consolidation • Non-disruptive controller failover for zero-data-loss resilience
A global legal services provider implements the Dell MD3420 Dual 4G Cache Controller, No HDD, 24 SFF, SAS HD connector, 600W RPS with rack kit as a dedicated backup and DR target for 50 remote offices. The system’s high-density 24-bay SAS chassis and dual 4GB cache accelerate sequential writes from backup servers, completing nightly snapshots 30% faster. Redundant 600W power supplies and hot-swap drive bays minimize downtime, while seamless integration with leading backup software ensures rapid site-to-site recovery. Key Benefits: • 25% reduction in backup window with cache-accelerated writes • Rack-optimized, high-density design saves 3U of rack space • Enterprise-grade redundancy for 24×7 data protection
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 Dell MD3420 Dual 4G Cache Controller, No hdd, 24 SFF, SAS HD connector, 600W RPS |  Dell MD3400 Dual-Controller, No hdd, 12 LFF, 12G SAS Cable, SAS HD connector, 600W RPS |  Dell MD3420 Controller*1 4G 12GB/s HBA*1 Cable*1 24*Drive Bays |  Dell MD3420 Controller*2 4G 12GB/s HBA*2 Cable*2 24*Drive Bays |  Dell MD3400 Controller*1 4G 12GB/s HBA*2 Cable*2 12*Drive Bays | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | SAN | SAN | SAN | SAN | DAS |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 24-bay | 12-bay | 24-bay | 24-bay | 12-bay |
| Supported Drive Types | SAS HDD | SATA HDD / SAS HDD | SATA HDD / SAS HDD | SATA HDD / SAS HDD / SATA SSD | SAS HDD |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 512 TB | N/A | N/A | N/A | N/A |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 10 / JBOD |
| CPU Type | N/A | Intel Xeon | N/A | N/A | N/A |
| CPU Cores | N/A | N/A | N/A | N/A | N/A |
| Installed RAM | 4 GB | 4 GB | N/A | 8 GB | N/A |
| Max RAM Capacity | 4 GB | 16 GB | N/A | N/A | N/A |
| RAM Type | N/A | DDR3 | N/A | N/A | N/A |
| Network Ports | N/A | N/A | N/A | Fibre Channel | N/A |
| LAN Ports | N/A | N/A | N/A | N/A | N/A |
| USB Ports | N/A | N/A | N/A | N/A | N/A |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Active | Active | Active | Active |
| Power Supply | Redundant | Redundant | Single | Redundant | Single |
| Power Supply Wattage | N/A | N/A | N/A | N/A | N/A |
| Operating System | N/A | Custom OS | N/A | N/A | N/A |
| Snapshot Support | No | Yes | No | No | N/A |
| Cloud Sync Support | No | No | No | No | N/A |
| Virtualization Ready | Yes | Yes | No | Yes | Yes |
| iSCSI Support | Yes | Yes | No | N/A | Yes |
| Surveillance Support | No | No | No | No | No |
| Use Case | Enterprise Data Center | Enterprise Data Center / SMB / Virtualization / Media Server | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server | SMB / Enterprise Data Center / Virtualization |
| Product Name | Dell MD3420 Dual 4G Cache Controller, No hdd, 24 SFF, SAS HD connector, 600W RPS | Dell MD3400 Dual-Controller, No hdd, 12 LFF, 12G SAS Cable, SAS HD connector, 600W RPS | Dell MD3420 Controller*1 4G 12GB/s HBA*1 Cable*1 24*Drive Bays | Dell MD3420 Controller*2 4G 12GB/s HBA*2 Cable*2 24*Drive Bays | Dell MD3400 Controller*1 4G 12GB/s HBA*2 Cable*2 12*Drive Bays |
| Height | N/A | N/A | N/A | N/A | 3.44 inches |
| Width | N/A | N/A | N/A | N/A | 19 inches |
| Depth | N/A | N/A | N/A | N/A | 28 inches |
| Weight | N/A | N/A | N/A | N/A | 45 lbs |
The Dell MD3420 StorageSystem (SKU: MD3420) is a 2U rack-mountable enclosure featuring dual 4GB battery-backed write cache controllers, 24 small form factor drive bays, SAS HD connectors, and a 600W redundant power supply.
The MD3420 supports up to 24 hot-swappable 2.5" SAS or nearline SAS HDDs/SSDs in its small form factor drive bays.
No, this configuration ships without hard drives, enabling you to choose the optimal SAS or SSD models for your performance and capacity needs.
The MD3420 uses 6 Gbps SAS HD connectors for high-throughput communication with compatible SAS or SAS SSD drives.