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SLR cleaning tape kept legacy drives healthy.
35L0844
IBM SLR/MLR Cleaning Tapes
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35L0844
- Description:
- IBM SLR/MLR Cleaning Tapes
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- Brand:
- Data Tape Media
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35L0844 Overview
35L0844-IBM SLR/MLR Cleaning Tapes are specifically designed for use in SLR (Scalable Linear Recording) and MLR (Multi-channel Linear Recording) tape drives and libraries. As dedicated cleaning cartridges, these tapes are essential for maintaining optimal performance and prolonging the life of SLR and MLR tape systems in enterprise environments. They are not used for data storage—thereby specifications like native/compressed capacity, transfer speed, WORM, or encryption do not apply.
The 35L0844-IBM cleaning tape is classified as a “Cleaning” cartridge and is compatible with a wide range of IBM and third-party SLR/MLR drives, including SLR7, SLR32, SLR50, SLR60, SLR100, SLR140, and MLR1. Its robust design ensures an archival life of up to 30 years under proper storage conditions. Typical use cases include routine drive head cleaning within enterprise backup infrastructures and tape libraries to ensure data integrity, device reliability, and regulatory compliance in cold storage or data center environments.
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35L0844 Specifications
- Product Type
- Data Tape
- Tape Format
- Other
- Tape Generation
- N/A
- Cartridge Type
- Cleaning
- Use Case
- Tape Libraries
- Native Capacity
- N/A
- Compressed Capacity
- N/A
- Tape Length
- N/A
- Data Transfer Rate (Native)
- N/A
- Data Transfer Rate (Compressed)
- N/A
- Encryption Support
- N/A
- WORM Support
- No
- Media Type
- N/A
- Archival Life
- Up to 30 Years
- Read Compatibility
- SLR7, SLR32, SLR50, SLR60, SLR100, SLR140, MLR1 drives
- Write Compatibility
- N/A
- Tape Color
- Grey
- Environment
- Data Center / Offsite Backup / Cold Storage / Compliance Archiving
- Compliance
- N/A
- Product Name
- IBM SLR/MLR Cleaning Tape (35L0844)
- Height
- 0.45
- Width
- 4.25
- Depth
- 4.2
- Weight
- 0.25
35L0844 Use Case
Proactive Tape-Library Maintenance in Enterprise Data Centers
IT operations teams schedule 35L0844-IBM SLR/MLR Cleaning Tapes as part of a quarterly preventive maintenance plan for high-density tape libraries. This practice removes particulate build-up, reduces read/write errors by up to 90%, and extends head life—ensuring sustained throughput and eliminating unplanned downtime.
Compliance-Driven Archival Assurance for Financial Institutions
Audit and compliance managers integrate 35L0844-IBM SLR/MLR Cleaning Tapes into monthly archival workflows to guarantee data integrity for regulated records. By preventing drive contamination, institutions avoid audit failures, reduce remediation costs, and maintain trust with regulators and customers.
Remote-Site Backup Reliability for Distributed Enterprises
Field engineers deploy 35L0844-IBM SLR/MLR Cleaning Tapes at remote offices as part of a lightweight service-call kit to maintain backup infrastructure health. This on-site cleaning regimen cuts tape-drive failures by 75%, minimizes expensive service dispatches, and ensures business continuity across geographically dispersed sites.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 35L0844 |  18P8924 |  4479753-T |  11660-T |  46138-T | |
|---|---|---|---|---|---|
| Product Type | Data Tape | Data Tape | Data Tape | Data Tape | Data Tape |
| Tape Format | Other | DLT | Other | Other | Other |
| Tape Generation | N/A | N/A | N/A | N/A | N/A |
| Cartridge Type | Cleaning | Cleaning | Standard | Standard | Standard |
| Use Case | Tape Libraries | Tape Libraries | Backup / Long-Term Archiving / Compliance Storage / Tape Libraries | Backup / Long-Term Archiving / Compliance Storage / Tape Libraries | Backup / Long-Term Archiving / Compliance Storage / Tape Libraries |
| Native Capacity | N/A | N/A | 200 MB | 810 MB | 810 MB |
| Compressed Capacity | N/A | N/A | 400 MB | 2.4 GB | 2.34 GB |
| Tape Length | N/A | N/A | 770m | 1100ft | 630m |
| Data Transfer Rate (Native) | N/A | N/A | Up to 3 MB/s | Up to 9 MB/s | Up to 3 MB/s |
| Data Transfer Rate (Compressed) | N/A | N/A | N/A | N/A | Up to 7 MB/s |
| Encryption Support | N/A | N/A | No | No | No |
| WORM Support | No | No | No | No | No |
| Media Type | N/A | N/A | Magnetic / Rewritable | Magnetic | Magnetic |
| Archival Life | Up to 30 Years | N/A | Up to 30 Years | Up to 30 Years | Up to 30 Years |
| Read Compatibility | SLR7, SLR32, SLR50, SLR60, SLR100, SLR140, MLR1 drives | DLT VS1, DLT VS160 drives | IBM 3480 compatible drives | IBM 3490E drives / N/A | IBM 3490E drives |
| Write Compatibility | N/A | N/A | IBM 3480 compatible drives | IBM 3490E drives only | IBM 3490E drives only |
| Tape Color | Grey | N/A | Black | Black | Black |
| Environment | Data Center / Offsite Backup / Cold Storage / Compliance Archiving | Data Center | Data Center / Offsite Backup / Cold Storage / Compliance Archiving | Data Center / Offsite Backup / Cold Storage / Compliance Archiving | Data Center / Offsite Backup / Cold Storage / Compliance Archiving |
| Compliance | N/A | N/A | N/A | N/A | N/A |
| Product Name | IBM SLR/MLR Cleaning Tape (35L0844) | IBM DLT VS1VS160 Cleaning Cartridge (18P8924) | IBM 1/2 Inch 3480 Tape Cartridge (4479753-T) | Imation Black Watch 3490E Tape Cartridge #11660 | Imation Black Watch 3490E Cartridge #46138 |
| Height | 0.45 | 4.2 | 1 inch | 4.2 in | 4.35 in |
| Width | 4.25 | 4.15 | 4.95 inches | 4.95 in | 4.84 in |
| Depth | 4.2 | 1.0 | 5 inches | 1 in | 1.02 in |
| Weight | 0.25 | 0.34 | 1 lb | 0.55 lbs | 0.6 lbs |
Reviews & Ratings
S
Sadia Parveen
4
Effective for routine maintenance.
U
Ulrich Bauer
5
No issues during cleaning.
F
Faisal Noor
3
Good quality consumable.
R
Rachel Moore
4
Works as intended.
Questions & Answers
What is IBM SLR/MLR Cleaning Tape (SKU 35L0844)?
IBM SLR/MLR Cleaning Tape (SKU 35L0844) is a purpose-designed media cleaner for Single-Layer Recording (SLR) and Multi-Layer Recording (MLR) tape drives.
Which tape drives are compatible with SKU 35L0844?
SKU 35L0844 is compatible with all IBM SLR and MLR tape drives, including models 24, 36, 50 and 75.
How often should I use IBM SLR/MLR cleaning tape?
IBM recommends cleaning your drive after every 50 data mounts or whenever the drive’s cleaning alert is triggered.
How do I apply the IBM SLR/MLR Cleaning Tape?
Insert the cleaning tape into the drive slot as you would a data cartridge; the drive will automatically initiate the cleaning cycle.