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DEC DS-HSZ70-AH HSZ70 6-CHAN RAID SCSI-WU-DIFF 64MB CTRL
- HSZ70 RAID Controller
- 6 Channels
- SCSI-WU-DIFF interface
- 64MB Cache Memory
- Supports RAID configurations
- Designed for high-availability storage
- Manufacturer: DEC
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Product Overview
The DEC DS-HSZ70-AH is a HSZ70 6-Channel RAID SCSI Controller with 64MB of cache memory. It is designed for high-availability storage solutions, offering RAID capabilities and robust SCSI connectivity, similar to the HSZ80 but potentially an earlier or different variant.
Technical Information
| Product Type | RAID Controller |
| Manufacturer | DEC |
| Model | HSZ70 |
| Channels | 6 |
Additional Specifications
| Interface | SCSI-WU-DIFF |
| Cache Memory | 64MB |
| SKU | DS-HSZ70-AH |
Product Description
The DEC DS-HSZ70-AH is a high-performance RAID (Redundant Array of Independent Disks) controller from Digital Equipment Corporation (DEC), based on the HSZ70 architecture. This controller is engineered to manage multiple SCSI drives, providing advanced features for data redundancy, fault tolerance, and performance enhancement through various RAID levels. It features six independent channels, allowing for the connection of a substantial number of SCSI devices. The interface specified as 'SCSI-WU-DIFF' indicates support for Wide Ultra Differential SCSI, a robust and high-speed interface standard that offers superior performance and noise immunity over longer cable runs compared to single-ended SCSI. This makes the controller suitable for demanding server environments where reliable and fast access to large storage volumes is critical. Equipped with 64MB of cache memory, the DS-HSZ70-AH significantly accelerates data transfer operations by buffering frequently accessed data and pending write requests. This cache is vital for optimizing RAID performance and reducing latency. Like other high-end RAID controllers of its era, it would typically be paired with a battery backup unit (BBU) or similar protection mechanism to safeguard cached data during power outages. The DS-HSZ70-AH is a key component for building resilient and high-throughput storage subsystems within DEC's server and storage product lines.
