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295192-B21
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Compaq DLT4 (40/80)GB
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295192-B21
- Description:
- Compaq DLT4 (40/80)GB
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- Data Tape Media
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295192-B21 Overview
295192-B21-Compaq DLT4 (40/80)GB is a data tape cartridge designed for use in enterprise backup and archival applications, utilizing the Digital Linear Tape (DLT) technology. Classified as a DLT IV generation tape, it offers a native (uncompressed) storage capacity of 40 GB and a compressed capacity of up to 80 GB, supporting data transfer rates up to 6 MB/s (native) and 12 MB/s (compressed). The cartridge is a standard type, employs magnetic media, and features a tape length of 557 meters, tailored for high-capacity, long-term data retention requirements in demanding IT environments.
This tape cartridge does not support WORM (Write Once Read Many) or hardware-based encryption, making it best suited for environments where regulatory compliance around immutability and encryption is not mandatory. With an archival life of up to 30 years, the 295192-B21-Compaq DLT4 (40/80)GB tape is widely used for enterprise-class backup, cold storage, and offsite data retention, ensuring data integrity and reliability for long-term information preservation in tape libraries or standalone drives compatible with DLT IV media.
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295192-B21 Specifications
- Compliance
- N/A
- Depth
- 1.02 inches
- Encryption Support
- No
- Product Type
- Data Tape
- Tape Generation
- N/A
- Cartridge Type
- Standard
- WORM Support
- No
- Archival Life
- Up to 30 Years
- Tape Color
- Black
- Use Case
- Backup / Long-Term Archiving / Tape Libraries
- Media Type
- Magnetic
- Environment
- Data Center / Offsite Backup / Cold Storage
- Tape Length
- 557m
- Data Transfer Rate (Native)
- Up to 6 MB/s
- Data Transfer Rate (Compressed)
- Up to 12 MB/s
- Tape Format
- DLT
- Height
- 4.16 inches
- Width
- 4.16 inches
- Native Capacity
- 40 GB
- Compressed Capacity
- 80 GB
- Read Compatibility
- DLT4000, DLT7000, DLT8000 drives
- Write Compatibility
- DLT4000, DLT7000, DLT8000 drives
- Product Name
- Compaq DLT IV Data Tape Cartridge (295192-B21)
- Weight
- 0.63 lbs
295192-B21 Use Case
Enterprise Disaster Recovery & Offsite Backup with Compaq DLT4 295192-B21 (40/80GB)
Large IT operations deploy the Compaq DLT4 295192-B21 tape drive for automated nightly offsite backups of mission-critical servers, leveraging its 40/80GB capacity for efficient data consolidation. The result is a robust disaster-recovery strategy that guarantees rapid system restoration, minimal downtime and end-to-end data integrity for business continuity.
Regulatory Compliance & Long-Term Archival using Compaq DLT4 295192-B21 (40/80GB)
Financial services and healthcare organizations integrate the Compaq DLT4 295192-B21 (40/80GB) into audit-grade archival workflows, storing transaction logs and patient records on high-density tapes. This approach meets strict retention mandates, cuts archival costs by up to 60%, and provides verifiable chain-of-custody for compliance reporting.
Efficient Virtual Machine Backup for VMware with Compaq DLT4 295192-B21 (40/80GB)
System administrators use the Compaq DLT4 295192-B21 tape solution for nightly incremental backups of VMware ESXi environments, writing delta changes to DLT4 cartridges to optimize storage utilization. This method accelerates backup windows, reduces LAN/WAN load, and enables fast full-environment restores to maintain SLA-driven uptime.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 295192-B21 |  DL4TK88 |  08L9210-T |  CLM200 |  THXKE-01-T | |
|---|---|---|---|---|---|
| Product Type | Data Tape | Data Tape | Data Tape | Data Tape | Data Tape |
| Tape Format | DLT | DLT | LTO | LTO | DLT |
| Tape Generation | N/A | N/A | LTO-1 | LTO-1 | DLT III XT |
| Cartridge Type | Standard | Standard | Standard | Standard | Standard |
| Use Case | Backup / Long-Term Archiving / 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 | Backup / Long-Term Archiving / Compliance Storage / Tape Libraries |
| Native Capacity | 40 GB | 40 GB | 100 GB | 100 GB | 15 GB |
| Compressed Capacity | 80 GB | 80 GB | 200 GB | 200 GB | 30 GB |
| Tape Length | 557m | 557m | 609m | 609m | 557m |
| Data Transfer Rate (Native) | Up to 6 MB/s | Up to 6 MB/s | Up to 20 MB/s | Up to 20 MB/s | Up to 1.5 MB/s |
| Data Transfer Rate (Compressed) | Up to 12 MB/s | Up to 12 MB/s | Up to 40 MB/s | Up to 40 MB/s | Up to 3.0 MB/s |
| Encryption Support | No | No | No | No | No |
| WORM Support | No | No | No | No | No |
| Media Type | Magnetic | Magnetic / Rewritable | Magnetic / Rewritable | Magnetic / Rewritable | Magnetic |
| Archival Life | Up to 30 Years | Up to 30 Years | Up to 30 Years | Up to 30 Years | Up to 30 Years |
| Read Compatibility | DLT4000, DLT7000, DLT8000 drives | DLT4000, DLT7000, DLT8000 drives | LTO-1 drives | LTO-1, LTO-2 drives | DLT 4000, DLT 7000, DLT 8000 drives |
| Write Compatibility | DLT4000, DLT7000, DLT8000 drives | DLT4000, DLT7000, DLT8000 drives | LTO-1 drives only | LTO-1 drives only | DLT 4000, DLT 7000, DLT 8000 drives |
| Tape Color | Black | Black | Blue | Black | Black |
| Environment | Data Center / Offsite Backup / Cold Storage | Data Center / Offsite Backup / Cold Storage / Compliance Archiving | 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 | RoHS | N/A | RoHS / WEEE |
| Product Name | Compaq DLT IV Data Tape Cartridge (295192-B21) | DL4TK88 Sony DLT IV 40/80GB Data Cartridge | IBM LTO Ultrium 1 Data Cartridge 100/200 GB (08L9210-T) | CLM200-Certance LTO-1 Ultrium Data Cartridge | THXKE-01-T-Quantum DLT III XT (15/30) GB |
| Height | 4.16 inches | 4.16 inches | 0.85 inches | 0.98 inches | 4.35 |
| Width | 4.16 inches | 4.16 inches | 4.02 inches | 4.02 inches | 4.38 |
| Depth | 1.02 inches | 1.02 inches | 4.15 inches | 4.15 inches | 1.00 |
| Weight | 0.63 lbs | 0.55 lbs | 0.57 lbs | 0.55 lbs | 0.55 |
Reviews & Ratings
A
Aqsa Farooq
5
Reliable storage media.
H
Hans Keller
4
Stable legacy performance.
B
Bilal Yasin
5
No issues so far.
M
Margaret Lewis
5
Satisfied overall.
Questions & Answers
What is the Compaq DLT4 (40/80)GB tape drive (SKU: 295192-B21)?
The Compaq DLT4 (40/80)GB tape drive is a half-height internal DAT tape backup solution offering 40 GB native and up to 80 GB compressed capacity, designed for enterprise data protection.
What backup capacity does the DLT4 tape drive support?
The DLT4 tape drive supports 40 GB of native storage and up to 80 GB of data with 2:1 compression, ensuring efficient use of tape media for daily backups.
Which interface does the Compaq DLT4 use?
The drive uses a standard Ultra-Wide SCSI (Single-Ended or Low-Voltage Differential) interface, providing up to 20 MB/s native transfer rates for fast data streaming.
What backup speed can I expect from the DLT4 drive?
The Compaq DLT4 delivers up to 10 MB/s native throughput and up to 20 MB/s with 2:1 compression, enabling reliable backups within tight backup windows.
Is the DLT4 compatible with HP or Compaq servers?
Yes, the Compaq DLT4 is fully compatible with HP and Compaq ProLiant and Integrity servers that support Ultra-Wide SCSI tape devices.
Can I hot-swap the Compaq DLT4 tape drive?
Hot-swap capabilities depend on your server’s backplane and operating system; most HP ProLiant models with SCSI RAID controllers support hot swapping of the DLT4.
Which operating systems does the DLT4 drive support?
The tape drive is supported under Windows Server, Linux, Novell NetWare and UNIX variants with appropriate SCSI drivers and tape backup software.
What kind of tape media does the DLT4 use?
It uses Data Cartridge-compatible DLT IV tape media, which are widely available and preformatted for immediate use with HP/Compaq tape libraries.
Is the Compaq DLT4 backward-compatible with older DLT formats?
Yes, the DLT4 drive reads and writes DLT III media at native speeds, ensuring seamless migration from older DLT III tape libraries.
How reliable is the Compaq DLT4 tape drive?
The DLT4 features a 30,000-hour MTBF rating and durable tape heads, offering enterprise-class reliability and low error rates for long-term data retention.
Does the DLT4 include a cleaning cartridge?
No, the cleaning cartridge is sold separately; HP recommends cleaning every 50 tape mounts or as indicated by the drive’s cleaning alert.
What form factor and dimensions does the DLT4 have?
The drive is a 5.25-inch half-height tape device, measuring 146 mm × 41 mm × 203 mm and weighing approximately 2.3 kg.
How do I install the Compaq DLT4 tape drive?
Mount the drive in a free 5.25-inch bay, connect Ultra-Wide SCSI cables and power, then configure the device in BIOS or your OS’s tape management utility.
What maintenance is required for the DLT4 tape drive?
Regularly clean the tape heads with a compatible cleaning cartridge, update firmware as needed, and store media in a controlled environment to extend drive life.
What warranty covers the Compaq DLT4 tape drive?
HP/Compaq typically offers a one-year limited hardware warranty on the DLT4 drive, covering defects in materials and workmanship under normal use.
How can I optimize backup performance with DLT4?
Use certified DLT IV media, enable hardware compression, maintain clean heads, and schedule backups during off-peak hours to maximize throughput and reliability.