LTO-4 features doubled capacity compared to the LTO-3, offering 800GB native, or 1.6TB with 2:1 data compression. Performance is also improved with a transfer rate of 240MB/s. This boost in performance is not the only advancement: LTO-4 incorporates additional support for advanced data protection and security features. LTO-4 will continue to support the write-once, read-many (WORM) functionality seen in the LTO-3 and will now support 256-bit AES encryption.

LTO 4 Ultrium Rewritable data cartridge is designed to take full advantage of LTO Ultrium technology and contain features that are exclusive to Hewlett-Packard. HP LTO Ultrium data cartridge features active internal head cleaning, self-diagnostic capacities, cartridge memory and are designed for long life and superior reliability. HP LTO 4 Ultrium offers a native AES-256 bit key encryption to help ensure your data is protected. Up to 1.6TB on one tape (compressed). Basefilm and coating technology has increased the bit density of the media, allowing more data to be saved in the same physical space. Holds 896 data tracks. With 240MB per second transfer rate, it takes just 8.3 seconds to back up 1GB of data to an Ultrium 4 cartridge.

    • CLTO Ultrium 4 R/W Tape
    • Capacity or 800 GB Uncompressed and up to 1.6 TB compressed.
    • Supports transfer speeds of up to 240MB/sec compressed.
    • Native AES-256 bit key encryption enabled
    • Compatible with HP and all other brands of LTO-4 & LTO-3 Ultrium drives (read and write). LTO-2 drives (read only)
Media Type
LTO Ultrium-4
Uncompressed Capacity
1.6 TB
Compression Rate
Native Transfer Rate
240 MB/s
Archival Life
30 Years
Tape Length
2690′ / 820 m
Tape Thickness
6.6 µm
Magnetic Coercivity
2600 to 2750 Oe
256-Bit AES, FIPS 140-2 Level 1

The green, 1.6TB LTO-4 Ultrium RW Data Cartridge from HP is a re-writable tape offering high storage density, ease of management and scalable storage and backup performance. It features read speeds up to 240 MB/s.

HPE LTO4 CartridgeC7974A
HPE LTO4 CartridgeC7974A
HPE LTO4 CartridgeC7974A