
Sony
Sony SDX135C 35/91GB AIT-1 Data Tape Cartridge
★★★★★
Sony AIT-1 data tape cartridge delivers 35GB native storage with MIC memory chip for reliable backup and archival.
$12.95*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Key Features
230 meters long, 8 millimeters wide
For use in AIT drives
MIC memory chip included in cartridge
35 GB capacity, 70 GB compressed
100 percent cobalt dual magnetic layer
Specifications
Brand
Sony
Model
SDX135C
Format
AIT-1
Native Capacity
35GB
Compressed Capacity
70GB
Tape Length
230 meters
Tape Width
8 millimeters
Magnetic Layer
100% Cobalt Dual Layer
Memory Chip
MIC (Memory-In-Cassette)
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View on Amazon →Pros & Cons
👍 Pros
- MIC memory chip enables faster file search and retrieval compared to cartridges without onboard memory
- 70GB compressed capacity provides substantial backup storage on a single compact cartridge
- 100 percent cobalt dual magnetic layer construction supports reliable long-term data retention
- 8mm form factor keeps the cartridge physically small relative to its storage capacity
👎 Cons
- Requires a compatible AIT-1 drive, which is a legacy format with limited availability of new hardware
- 35GB native capacity is modest compared to later-generation tape formats like AIT-3 or LTO
- Compressed capacity of 70GB depends on data type and is not guaranteed for all workloads
Frequently Asked Questions
What is the native storage capacity of the Sony SDX135C tape cartridge?
The native capacity is 35GB, which increases to 70GB with hardware compression enabled in a compatible AIT drive.
What does the MIC memory chip in this cartridge do?
The Memory-In-Cassette (MIC) chip stores a catalog of the tape's contents, allowing AIT drives to locate files significantly faster than scanning the entire tape sequentially.
What type of drives is this cartridge compatible with?
This cartridge is designed for use in AIT-1 (Advanced Intelligent Tape) drives. It is not compatible with DLT, LTO, or other tape formats.
How long is the tape inside this cartridge?
The tape is 230 meters long and 8 millimeters wide, using Sony's dual-layer cobalt magnetic coating for data integrity.