Detailed Specifications
HP C7974W - LTO-4 Ultrium WORM Data Cartridge
Overview :
The HP C7974W is a fourth-generation LTO Ultrium tape cartridge intended for enterprise archival and compliance use where data must be written once and read many times (WORM). It provides 800 GB of native storage capacity and up to 1.6 TB compressed at a 2:1 ratio, supporting dense backups or long-term storage. The media fits into LTO-4 drives for read/write and is backward compatible for read operations in later generations, making it suitable for data center, tape library, or long-retention archive deployments. The cartridge incorporates internal cartridge memory, active head-cleaning film and self-diagnostic features to support reliable operation in automated tape libraries or robotic systems.
Key Features :
Write-Once Read-Many (WORM) media for compliance
Native capacity 800 GB with 1.6 TB compressed support
896 data tracks for LTO-4 format
Compatible with LTO-4 drives for write, later drives for read
Cartridge memory (EEPROM) enables tracking and automation
Specifications
| Specification | Value |
|---|
| Brand | HP |
| Part Number | C7974W |
| Product Type | LTO-4 Ultrium WORM Data Cartridge |
| Native Storage Capacity | 800 GB |
| Compressed Storage Capacity | 1.6 TB (2:1 compression) |
| Tape Technology | LTO-4 Ultrium |
| Media Format | WORM (Write Once Read Many) |
| Number of Data Tracks | 896 |
| Archival Life | Up to 30 years |
| Tape Length | 820 m (approx.) |
| Bit Density (LTO-4) | 13.52 Kb/mm² |
| Cartridge Dimensions | 4.4″ (W) × 4.3″ (D) × 1.1″ (H) |
| Cartridge Weight | 0.6 lbs |
| Country of Origin | Japan |
| Compatible With Drives | LTO-4 RW drives (write/read), LTO-5/6 drives (read) |
